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 NYC EVENTS FOR SEPTEMBER 2019 
 ----------------------------
 John Pazmino 
 NYSkies Astronomy In+c  
 nyskies@nyskies.org 
   wwww.nyskies.org 

    The following astronomy activities in the commuting ring enclosing 
New York City are operated by various organizations. A few cultural  
tems of special importance to City astronomers are also included.  
    Altho NYC Events confirms the listed items, they are subject to 
change by their sponsors. Check with their contacts. Let the sponsor  
know that you learned of its event thru NYC Events.  
    Frequently asked questions and explanation of NYC Events is at 
'www.nyskies.org/nyc-faq.htm'.  
    You may ask for previous NYC Events thru 'nyskies@nyskies.org' 
because only the current issue is in the website. It is replaced by  
next month's issue.  
    For events which missed NYC Events, check the NYSkies Yahoogroup 
forum. Join NYSkies by visiting 'www.nyskies.org/yahoo.htm' and 
picking either the email or  website option.  
    All hours are Eastern Da/ylight Savings Time (UT - 4h). 

General notes 
 -----------                           / 
    'whole City' means the event has no specific or dedicated place. 
It may be enjoyed from the whole NYSkies territory or at a number of 
individual places. Celestial events are typicly 'whole City' events.  
c    'all day' means the event is continuous or repeating during the 
open hours of the host facility. Facilities may have limited hours per 
day or days per week. Check with the event contacts.  
    'adv regn reqd',for 'advance registration required/requested' 
means that the event requires or requests signing up before the event. 
You must have your ticket in hand at the gate. There could be a 
deadline some days before the event, after which no more signups are 
accepted. Check with the event contact for specifics. 
    Prices cited are the 'rack rate'. You could qualify for discounts 
 As may be offered by the sponsor. Besides the base price there may be 
noptional extra fees to consider. 

Current Month calendar  
 --------------------
  Plain dates are in current month;  
  -, previous month; +, next month. 
  #, NYSkies Astronomy Seminar 
  Moon phase: .NM., .FQ), (FM), (LQ.  
  Sunset is noted for each Saturday  
  ---------------------------------
   Sun   Mon   Tue   Wed   Thu   Fri   Sat  sunset 
   ---   ---   ---   ---   ---   ---   ---  ------
     1     2     3     4    .5)    6#    7  19:19 
     8     9    10    11    12   (13)   14  19:07 
    15    16    17    18    19    20#  (21. 18:55 
    22    23    24    25    26    27   .28. 18:43 
    29    30    +1    +2    +3    +4#   .5) 18:32 
 ----------------------------------------------

Index  of Events  / ------------- 
 * = NASA-JPL Night Sky Network affiliate  
 Date = entry in 'list of events' section 
 '0' = entry in 'ongoing and continuing events' section 
 'S/O',= entry in 'skipped, Sep/Oct resumption' section 
  'M/A' = entry in 'skipped, Mar/Apr resumption' secrion // '???' = 
entry in 'skipped, uncertain resumption' seciton 
 ------- -----------------------------------------------
    BROOKLYN - BK 
  Astronomy on Tap  - - - - 18 
  Canarsie line curtailment  0 
 Culver partial wxpress - -  9                                                                                                                                                                                                                                                                                                                                   
 *Floyd Bennett Field - - -  6 
  Parade of Trains - - - -  28-29 
  Secret Science Club - - -  0 

    CONNECTICUT - CT 
 *A S of Gtr Hartford   - - AUT 
  Astro Soc of Greenwich  - 22 
 *Astro Soc of New Haven  - AUT   
  Bowman Observatory  - - -  4, 18 
  Connecticut Star Party  - 27-29 
 *Litchfield Hills AAC mtg  13 
 *Litchfield Hills starvg - 28 
 *McCarthy Observatory  - - 14 
  New Pond Farm - - - - - - ??? 
  Stamford Observatory  - -  6, 13, 20, 27 
 *Van Vleck Obsy (ASGH) - -  7 
  Van Vleck Obsy (WU) - - -  4, 11, 18, 25 
  Western CT St Univ Obsy - AUT 
 *Westport Astro Soc mtg  - 17 
 *Westport Astro Soc starvg  4, 11, 18, 25      
  -------------------------
  Boothe Meml Astro Soc - 203-377-9933, 
    www.facebook.com/Boothe-Memorial-Astronomical-Society 

    LONG ISLAND - LI 
 *Amateur Observers Soc - -  8 
 *Amat Obsrs Soc starviewing 0 
  Amer Instt Aero & Astro - ???        
  Astro Soc of Long Island   4, 11, 18, 25 
  Brookhaven National Lab -  5 
  Custer Institute  - - - -  7, 14, 21, 28       
  Hofstra Univ Obsy - - - - AUT 
  Montauk Observatory - - - 20 
  SUNY Stony Brook - -  - -  6 
 *Susan Rose Observatory  -  7, 14, 21, 28 
 
    MANHATTAN - MH  
 *Amat Astro Assn starvwg -  0 
 *Amat Astro Assn lecture - AUT 
  Amer Instt Archarology  - 9, 24 
  Canarsie line curtailment  0 
 Ctr for Atmosp Ocean Sci -  4, 11, 18 
  Ctr for Science & Society 18 
  Central Pk (Great Lawn) -  6,7,8,13,14,15,20,21,22,27,28,29 
  City of Science - - - - - AUT 
 *Columbia Univ Obsy  - - - AUT 
  Earth Institute - - - - - 27 
  Good Housekeeping lab   - 13 
  Gocernors Island  - - - -  1-Oct 31 
  Gullivar's Gate - - - - -  0 
  Hayden Planetarium  - - - AUT 
  Instt Stud Ancnt World  - 19-20  
  Intrepid Museum - - - - - 27 
 *Inwood Astronomy Project   7, 14, 21, 288 
  Labor Day  - - - - -  - -  2 
  Milky Way fall season - -  1-Nov 30 
  Natl Musm of Mathematics   4 
  NY Academy of Sciences  - AUT 
  NYC-H2O - - - - - - - - -  0 
  New York Map Society  - - 21 
  NYU Astrop & Relatvty - -  3, 10, 17, 24 
 *NYSkies Astronomy Seminar  6, 20 
  Observer's Handbook offer 16-indef 
  SciCafe' - - - - -  - - -  4 
  Simons Foundation - - - -  4, 11, 25 
 *Top of the Laawn  - - - -  6,7,8,13,14,15,20,21,22,27,28,29 
  Tribute in Light  - - - - 11 
  TriState computer fair --  0 
  Urban Park Rangers  - - -  0 
  Weekend Walks - - - - - -  1-Dec 
  WTC station closings  - -- 0 
 -------------------------------
 Ctr for Space Sci Edu - - info@nyccsse.org, www.nyccsse.org,  
            212-608-6164 n 

    METRO-NORTH - NY  
  Lamont-Doherty Obsy - - - AUT 
  measles epidemic  - - - -  0 
  Mid-Hudson Astro Assn - - ??? 
  Ramapo Challenger Ctr - - 15 
  Rockland Astro Club - - -  7 
  Vassar College Obsy - - -  4, 11, 18, 25 
  Ward Pound Ridge  - - - - 21 
  Westchester Amat Astro  - 13 

    NEW JERSEY - NJ  
  A A A of Princeton  - - - 10 
 *Amat Astro Inc meeting  -  6, 13, 27 
  *Amat Astro Inc lecture - 20 
  A S of Toms Rv Area - - - 13 
  Morris Musm Astro Soc - - 12 
  New Jersey Astro Assn - - 28 
  NJAA oPEN hOUSE - - - - - 21 
  North Bergen Viaduct  - -  0 
  No Jersey Astro Gp mtg  - 11 
  No Jersey Astro Gp starvg  5, 12, 19, 26/ 
  Peyton Observarory  - - -  4 
  Plasma Physics Lab  - - -  6, 20 
  Rutgers Univ Astro Collqm 11, 18, 25 
  Rutgers Univ Astro Semnr  AUT 
 *S*T*A*R - - - - - - - - -  5 
   Schommer Observatory - - 12, 19 
 *Sheep Hill Astro Assn - -  6 
 *Sheep Hill Observatory  - 20 
 *Utd Astro Clubs of NJ - -  7, 14, 21, 28 
  Washington Xing St Pk - -  6, 13, 20, 27 
  WTC station closings  - -  0 
  ---------------------------
  Dark Sky Observers - www.users.nac.net/gburke/club  
  McDowell Obsy - mec.rst2.edu, 201-460-8300 
  Montclair Telescope Club - 973-948-5284,,    
        users.erols.com/njastro/orgs/mtc.htm 
  NW Jersey Amat Astro - www.nwjaa.org, info@nwjaa.org 
  Passaic Co Astro Assn - www.users.nac.net/gburke/PCAA, 973-523-0024 
 *Raritan Vy Co Coll Plm  - www2.raritanval.edu/planetarium  
   Skyland Stargazers  -  skylandstargazers.tripod.com 

s    QUEENS - QN  
  York College Observatory  11 

    REST OF WORLD 

     STATEN ISLAND - SI 
  Coll of Staten Is Obsy  - AUT 
  Great Kills Park  - - - -  7 
  Staten Is Community TV  -  6, 13, 20, 27 

    THE BRONX - BX 

 ============================= 

Ongoing and continuing events 
  --------------------------
    all day - H&M WTC line - MH - WTC station closings s       Thru 
late 2020. World Trade Center station closes every 
        weekend to repair tunnels under Hudson River ruined by 
        hurricane Sandy. Station closes at 00h on each Saturday, 
        reopens at 05h on following Monday. WTC-bound trains turn at 
        Exchange Pl station. For service to WTC, use 33 St line to 
        connect to NYC subways. www.panynj.gov 
    all day - ehole county - NY - measles epidemic 
        Indef duration. Outbreaks of measles in several counties 
        in NYSkies. Of the 1,000+ cases in US, some 800 are in 
        NYSkies! UN WHO warned that if epidemic continues thru 
        yearend, it will revoke US status as a measles-free country. 
        Most counties offer free measles shots. Consult health 
        provider for precautions and vaccination. 
    all day - H&M WTC line - NJ - WTC station closings 
        Thru late 2020. World Trade Center station closes every 
        weekend to repair tunnels under Hudson River ruined by 
        hurricane Sandy. Station closes at 00h on each Saturday, 
        reopens at 05h on following Monday. WTC-bound trains turn at 
        Exchange Pl station. For service to WTC, use 33 St line to 
        connect to NYC subways. www.panynj.gov 
    all day - North Brgen Viaduct - NJ - road closings and rebuild 
        Thru end 2020.  One lane in each direction is closed during 
        major rebuild of viaduct on NJ495 between NJ Tpk and Lincoln 
        Tnl. Buses have priority on remaining lanes. On-off ramps for 
        local street close from time to time.  www.restorenj495.com 
    all day - Canarsie line - MH - night and weekend slowdown 
        Thru mid 2020. Curtailed service  20h to 05h daily and 20h 
        Fri-05h Mon on  weekends. Trains run single-track thru one 
        tunnel between Bedford Av statio aand 8th Av terminal. Round-
        trip takes about 20 minutes. Other track and tunnel are 
        closed. Service may change according as progress of work. 
        Normal two-way service runs 05h-20h on weekdays. www.mta.info. 
    all day - Canarsie line - BK - night and weekend slowdown 
        Thru mid 2020. Curtailed service  20h to 05h daily and 20h 
        Fri-05h Mon on  weekends. Trains run single-track thru one 
        tunnel between Bedford Av statio aand 8th Av terminal. Round-
        trip takes about 20 minutes. Other track and tunnel are 
        closed. Service may change according as progress of work. 
        Normal two-way service runs 05h-20h on weekdays. www.mta.info. 
     all day - whole island - LI - clearsky starviewing  
        VARIOUS PLACES, DATES, HOURS; INQUIRE AT CONTACT  
        Amat Obsrs Soc. Sessions convene in parks usually at dusk. 
        Occasional daytime sunviewing. Free. Cancelled for clouds. 
         www.aosny.org, suerose@optonline.net 
    all day - whole City - MH - cultural tour 
        VARIOUS LOCATIONS AND TIMES; INQUIRE AT CONTACT 
        NYC-H2O. Walk, bike, ride thru history and culture of NYC 
        muwater system facilities and natural waterways in and near 
        the City.  Events are pay orfree, adn regn reqd. Bike tours 
        need own bike. www.nych2o.org, 
        matt@nych2o.org 
    all day - whole City - MH - clearsky starviewing  
        VARIOUS PLACES, DATES, HOURS; INQUIRE AT CONTACT  
        Amat Astro Assn. Sessions convene in parks usually at dusk. 
        Occasional daytime sunviewing. Free. Cancelled for clouds. 
          president@aaa.org, 718-522-5014, www.aaa.org  
    all day - whole City - MH - clearsky starviewing  
        VARIOUS PLACES, DATES, HOURS; INQUIRE AT CONTACT  
        Jupiter Joe's Sidewalk Astronomy. Sessions convene in parks 
        usually at dusk. Occasional daytime sunviewing. Free. `       
        Cancelled for clouds.  www.jupiterjoesastronomy.org, 
        jupiyerjoesastronomy@gmail.com 
    all day - Gullivaer's Gate - MH - cultural exhibit 
        indef duration. 216 W 44 St, 7/8 Av. Opened in mid April 2017 
        for preview. Miniature models of landmarks and important 
        structures from around the world. Rooms arranged by quarter of 
        world and for New York City. $36, timed ticket, adv regn reqd. 
        Optional cost for stereoprint of visitor into figurine placed 
        at desired item in exhibit. www.gulliversgate.com. 
    all day - whole City - MH - cultural tours & lectures 
        VARIOUS PLACES, DATES, HOURS; INQUIRE AT CONTACT  
        Urban Park Rangers. Tours of parks, landmarks, nabes, hoods. 
        Lectures on history and culture of NYC. Program varies each 
        month. Free. www.nyc.gov/parks  
    10:00 - whole City - MH - Tri-State Computer Fair 
        VARIOUS LOCATIONS, GENERALLY ON SUNDAYS 
        Source of computer systems, software, components, accessories. 
        $7. www.tri-statefairs.com, 718-227-5586 
    20:00 - Bell House - BK - Secret Science Club meeting  
        OCCASIONAL SESSIONS; INQUIRE AT CONTACT 
        149 7 St, 2/3 Av. Lecture and music on various science  
        topics. Free. secretscienceclub.blogspot.com, 718-638-4400, 

ist of Events 
 ------------                                                         
Sun  1 Sep 
     all day - whole City - MH - Weekend Walks street fairs 
        VARIOUS LOCATIONS AND DATES; INQUIRE AT CONTACT 
       Thru mid Dec. NYC Dept of Transptn closes certain steets in 
        all boros on Saturdayss for street fairs. Stores 
        and local orgs offer ntertainment, discount sales, exhibits, 
        food service Free.  
         www.nyc.gov/html/dot/weekendwalks/html/home/home.shtml 
    all day - Governors Island - MH - cultural shows 
        Thru 31 Oct. Island is open every day, 10h-20h. From May 24 
        thru Aug 30, Fri-Sat, 10h-22h. Walk and tour thru 
        former military base and new urban park. Shows vary each day 
        or visit by foot or bike. Ferries run every 1/2 hr from 
        Battery Marine Terml, MH, and on weekdays from Pier 6, BK. 
        Island is free but ferry fare is $2 RT. www.nps.gov/gois, 
        www.govisland.com 
    21:00 - whole City - MH - autumn Milky Way season 
        Thru Nov 30. Fall season for sighting Milky Way from within 
        NYC. Requires dark clear sky and thoro knowledge of normal 
        luminous graffiti in sky. Milky Way is in high west sky at 
        at nightfall. www.nyskies.org/articles/pazmino/milky-ny.htm 

Mon  2 Sep 
    all day - whole City - MH - Labor Day 
        Please check with event contact for session falling on this 
        day by rule or outdated schedule 

Tue  3 Sep 
    14:00 - New York University - MH - astronomy lecture 
        726 Broadway, Rm 940. Various topics in astrophys and 
        relativity. Free. Have GI photo ID for campus security. 
        physics.nyu.edu/events.htm 

Wed  4 Sep 
    15:30 - Courant Institute - MH - science lecture 
        Ctr for Atmosp & Ocean Studies. Weaver Hall, 251 Mercer 
        St. Various topics in geophysics and earth science. Free. 
        caos.cims.nyu.edu, shafer@cims.nyu.edu 
     16:00 - Natl Musm of Mathematics - MH - science show 
        Also 19:00. 'Mathematical Encounters'. Free, adv regn 
        reqd. 212-542-0566, www.momath.org, info@momath.org 
    16:15 - Simons Foundation - MH - scinece lecture 
         160 5 Av & 21 St. 'Chemistry in the cosmos: From simplicity 
        to complexity '. Buffet smacks 16:15, lecture 17:00. Free, adv 
        regn reqd. 646-654-0066, ww.simonsfoundation.org 
    19:00 - Amer Musm Natl Hist - MH - SciCafe' show 
        Hall of Ocean Life or hall of planet Earth. Music, drinks, 
        chat with Museum scientists. Free, be 21 or be gone. GI photo 
        ID reqd. 212-769-5100, WWW.AMNH.ORG/PROGRAMS 
    20:00 - Westport - CT - clearsky starviewing  
        Westport Astro Soc. Rolnick Obsy.  Free. Cancelled for clouds. 
        www.was-ct.org, 203-227-0925 
    20:00 - Centerport - LI - Astro Soc of LI meeting  
        Vanderbilt Plm. Free. asliastronomy@yahoo.com, 
        www.asliclub.org 
    20:00 - Middletown - CT - clearsky starviewing 
        MEETS ONLY DURING CLASSES; INQUIRE AT CONTACT 
        Wesleyan U, Van Vleck Obsy. Free, cancelled for clouds. 
        860-685-3664, www.wesleyan.edu/astro/events 
     20:30 - Princeton - NJ - clearsky starviewing 
         Princeton Univ, Peyton Hall. Free. Cancelled for clouds 
         www.astro.princeton.edu/observatory/publicobserving.php, 
        jeg@astro.princeton.edu, lee@astro.princeton.edu 
   20:30 - Greenwich - CT - clearsky starviewing 
        Astro Soc of Greenwich. Curtis Elem Schl, Bowman Obsy. Free. 
        Cancelled for clouds. rickbria@optonline.net, 203-415-6762. , 
        astrogreenwich.org 
    21:00 - Poughkeepsie - NY - clearsky starviewing 
        MEETS ONLY DURING CLASSES; INQUIRE AT CONTACT 
        Vassar College, Observatory. Free. Cancelled for clouds. 
        physicsandastronomy.vassar.edu/observatory.html, 
        845-437-7340 

Thu  5 Sep 
    11:00 - Upton - LI - Summer Sundays science show 
        Brookhaven Natl Lab.   VBldg 490. ]Beoadband radiometry during 
        Earh CARE{ An improved solar radiance-to-flux conversion'. 
        Free, have GI photo ID for campus security. 631-344-2651, 
        www.bnl.gov/evnts 
    20:00 - Lincroft - NJ - S*T*A*R meeting 
        Brookdale Commty Coll, Mommouth Museum. Free. 
        www.starastronomy.org, s-walters@comcast.net 
    20:00 - Upper Montclair - NJ - clearsky starviewing 
        No Jersey Astro Gp. Montclair St Univ, Richardson Hall.        
        Free, cancelled for clouds. njastro.org, 973-655-7266 

Fri  6 Sep 
    10:00 - Princeton - NJ - science tour 
        Plasma Physics Lab. Walk thru history and culture of fproject 
        to capture energy from controled hydrogen fusion. Free, adv 
        regn reqd. Have GI photo ID for campus security. 
        www.pppl.gov/events 
    18:30 - McBurney House - MH - NYSkies Astronomy Seminar 
        DISCUSSION: THE GRAND APPARITION OF VENUS 
        125 W 14 St, 6/7 Av. Discussion of astronomy topics, show 
        & tell, skywatching reports, news of astro activity in NYSkies 
        territory. Free. nyskies@nyskies.org, www.nyskies.org 
    19:30 - Cranford - NJ - Amat Astro Inc meeting 
        Union Co Coll, Sperry Obsy. Indoor talk, clearsky  
        starviewing. Free. www.asterism.org 
    19:30 - Staten Is Community TV - SI - science show 
        100 Cable Way, Mariners Hr SI. 'Geology forum' Live audience, 
        seating at 19:30, on air at 20:00. Free. www.sictv.org, 
        718-727-1414 
    19:30 - Boonton - NJ - Sheep Hill Astro Assn meeting  
        Boonton Senior Ctr. Free. www.sheephillastro.org, 
        contacts@sheephillastro.org, wwestura@optonline.net 
     19:30 - Stony Brook - LI - astronomy lecture                     
        SUNY Stony Brook, Earth & Spc Sci Hall. Indoor lecture, 
        clearsky starviewing. Free. www.ess.sunysb.edu/astro, 
        631-632-8100, slutterbie@notes.cc.sunysb.edu 
    20;00 - Wash'n X'ing - NJ - clearsky starviewing 
        Amat Astro Assn of Princeton. Simpson Obsy. Free, cancelled 
       for clouds. www.princetonastronomy.org, 609-737-2575, 
       info@princetonastronomy.org 
    20:00 - Floyd Bennett Field - BK - clearsky starviewing 
        Community Garden. NYSKies & Natl Park Svc. Free. Cancelled 
        for clouds. www.nyskies.org, stephenlieber@nyc.rr.com, 
        nyskies@nyskies.org 
     20:00 - Stamford - CT - astronomy lecture 
        Stamford Obsy. $5. Indoor lecture, clearsky starviewing. 
        203-322-6537, www.stamfordmuseum.org 
        info@stamfordmuseum.org 
    20:00 - Central Park - MH - clearsky starviewing 
        PLUS OCCASIONAL EXTRA SESSIONS; INQUIRE AT CONTACT  
        Top of the Lawn. North path of Great Lawn. Free. Cancelled for 
        clouds. tags_p@yahoo.com, www.nyskies.org, nyskies@nyskies.org 

Sat  7 Sep 
    20:00 - Inwood Hill Park - MH cleasky starviewing 
        OCCASIONAL EXTRA SESSIONS; INQUIRE AT CONTACT  
        Inwood Astronomy Project. Meet at park entrance, Seaman Av 
        & Isham St. Free. Cancelled for clouds. 917-529-2359 
        www.inwoodastronomy.org, asonskendall@gmail.com 
    20:00 - Southold - LI - Custer Institute meeting 
        OCCASIONAL EXTRA EVENTS; INQUIRE AT CONTACT  
        Custer Instt. Indoor program, clearsky starviewing. $5-$15. 
        Varies with program. www.custerobservatory.org, 
        president@custerobservatory.org, 631-765-2626  
    20:00 - Middletown - CT - clearsky starviewing 
        Astro Soc of Gtr Hartford, Wesleyan U, Van Vleck Obsy. Free. 
        cancelled for clouds. www.asgh.org, 860-872-9069, 
        pparkerrs@cs.com 
    20:00 - Great Kills Pk - SI - clearsky starviewing 
        Natl Pk Svc. Enter at Hylan Bv to playground; Free. Cancelled 
        for clouds. www.nps.gov/gate, 718-987-6790  n 
    20:00 - Jenny Jump St Forest - NJ - Utd A C of NJ mtg 
        UACNJ Obsy. Indoor talk, clearsky starviewing. Free.  
        www.uacnj.org 
    20:00 - Bear Mountain - NY - clearsky starviewing 
        Rockland Astro Club. Anthony Wayne Rec Pk, picnic field. Free, 
        cancelled for clouds. www.rocklandastronomy.com 
    20:00 - Susan Rose Obsy - LI - clearsky starviewing  
        Amat Obsrs Soc. capus of Custer Institt. Sessions concurrent 
        with Custer's own events. Free, cancelled for clouds. 
        www.aosny.org, suerose@optonline.net             
    20:00 - Central Park - MH - clearsky starviewing - see Sep 6 

Sun  8 Sep 
    13:15 - Uniondale - LI - Amat Obsrs Soc meeting. 
        Hofstra Univ, Berliner Hall. Free. www.aosny.org, 
        suerose@optonline.net 
    20:00 - Central Park - MH - clearsky starviewing - see Sep 6 

Mon  9 Sep 
    07:00 Culver line - BK - partial express service starts 
        TENTATIVE DATE; INQUIRE AT CONTACT 
       Two uptown-only trains in AM RH start at Church Av, do 7 Av and 
        Jay St, then regular F route to Manhattan. Two downtown-only 
        trains in PM RH  from Manhattan do Jay St, 7 Av, end at Church 
        Av. www.mta.info Tue 10 Sep 
    17:30 - Dentons US office - MH - Amer Instt Archaeolgy lecture 
        1221 6th Av. Various topics on archaeology and 
        anthropology. Free, adv regn reqd. GI photo ID required for 
        campus security. www.aia-nysociety.org, 
        info@aia-bysociety.org 

Tue 10 Aep 
    14:00 - New York University - MH - astronomy lecture - see Sep 3 
    19:30 - Princeton - NJ - Amat Astro Assn of Princeton meeting 
        Princeton U, Peyton Hall. Free. www.princetonastronomy.org, 
        609-737-2575, info@princetonastronomy.org 

Wed 11 Sep 
    10:30 - Piscataway - NJ - astronomy lecture 
         Colloquium series. Rutgers Univ, Busch Campus, Astro & Phys 
        Lectr Hall. Free. www.physics.rutgers.edu/colloquium, 
        732-445-3974 + 
    15:30 - Courant Institute - MH - science lecture - see Sep 4 
    16:15 - Simons Foundation - MH - scinece lecture 
         160 5 Av & 21 St. 'Stringy predictions forour universe'. 
        Buffet smacks 16:15, lecture 17:00. Free, adv regn reqd. 646-
        654-0066, ww.simonsfoundation.org 
    19:30 - whole City - MH - Tribute in Light memorial 
        World Trade Center. Two parallel blue beams shine dusk to 
        dawn to honor victims of 2001 World Trade Center collapse. 
        Beams approximate floor plan of Twin Towers and can reach 
        tens of kilometers high. Geometry determines height of beam 
        top as observed from all over NYSkies. Details in local news 
        media. www.nyskies.org/articles/pazmino/trib-lt.htm 
    20:00 - Upper Montclair - NJ - No Jersey Astro Gp meeting 
        Montclair St Univ, Richardson Hall, Room 232. Free. 
        njastro.org, 973-655-7266 
    20:00 - York College - QN - astronomy lecture . 
        Core Academic Bdg, Rm AC-2E01. Indoor lecture, clearsky 
        starviewing. Free, adv regn reqd. 718-262-2082, 
        www.york.cuny.edu/centers-institutes/observatory, 
    20:00 - Middletown - CT - clearsky starviewing - see Sep 4 
    20:00 - Westport - CT - clearsky starviewing  - see Sep 4 
    20:00 - Centerport - LI - Astro Soc of LI meeting  - see Sep 4 
    21:00 - Poughkeepsie - NY - clearsky starviewing - see Sep 4 

Thu 12 Sep 
     19:30 - Morristown - NJ - Morris Museum Astro Soc meeting  
         Morris Museum. Free. 973-386-1848, 973-386-1848,, 
         www.morrismuseum.org/astro-society, info@morrismusem.org, 
         ckkrish@gmail.com 
    20:00 - Upper Montclair - NJ - clearsky starviewing - see Sep 5 
    20:30 - Piscataway - NJ - clearsky starviewng 
        Rutgers Univ, Schommer Obsy. Free. Cancelled for clouds.  
        732-205-0020, www.physics.rutgers.edu/ast/ast-serin.html  
        pryor@physics.rutgers.edu 

Fri 13 Sep 
    10:00 - Good Housekeeping Resrch Instt - MH - science tour 
        Also 11:30. Hearst Tower, 57 St & 8 Av. Walk thru history and 
        science of product testing center of Good Housekeeping 
        magazine. Free, adv regn reqd. 212-649-5000, 
        ghritours@hearst.com 
     19:00 - Toms River - NJ - Astro Soc of Toms Rv Area meeting 
        Ocean Co Coll, Novins Planetarium. Free. 
        www.astra-nj.org, 732-255-0343, webmaster@astra-nj.org 
   19:30 - Torrington - CT - Litchfield Hills Amat Astro Club mtg 
        Central Congregational Church. Free. lhastro.org, 
        lhastro@gmail.com 
    19:30 - Pleasantville - NY - Westchester Amat Astro meeting  
        Pace Univ, Lienhard Hall, Free.    
        www.westchesterastronomers.org, 
        waa-president@westchesterastronomers.org  
    19:30 - Cranford - NJ - Amat Astro Inc meeting - see Sep 6 
    19:30 - Staten Is Community TV - SI - science show - see Sep 6 
    20;00 - Wash'n X'ing - NJ - clearsky starviewing - see Sep 6 
     20:00 - Stamford - CT - astronomy lecture - see Sep 6 
    20:00 - Central Park - MH - clearsky starviewing - see Sep 6 

Sat 14 Sep 
    20:00 - New Milford - CT - astronomy lecture  
        McCarthy Obsy, New Miford HS. Indoor lecture, clearsky  
        starviewing. Free. www.mccarthyobservatory.org, 860-354-1595, 
        mccarthyobservatory@gmail.com 
    20:00 - Southold - LI - Custer Institute meeting - see Sep 7 
    20:00 - Inwood Hill Park - MH cleasky starviewing - see Sep 7 
    20:00 - Jenny Jump St Forest - NJ - Utd A C of NJ mtg - see Sep 7 
    20:00 - Central Park - MH - clearsky starviewing - see Sep 6  
    20:00 - Susan Rose Obsy - LI - clearsky starviewing  - see Sep 7 

Sun 15 Sep 
    14:00 - Airmont - NY - science show 
        Ramapo Challenger Ctr, 225 Rt 29. Multimedia 
       imulation of space missions. $20., director@lhvcc.com, 
        845-257-3416, ramapoparks#ramapo.org, 
    20:00 - Central Park - MH - clearsky starviewing - see Sep 6 

Mon 16 Sep 
    all day - whole City - MH - Observer's Handbook offer OPENS 
        The NYSkies offer for the 2020 RASC Onserver's Handbook opens 
        on September 16. The books are printed in mid October for 
        delivery to NYSkies in late October. You better put in 
        your request NOW. Cost is still $23 per copy, with P&P. 
        www.nyskies.org/oh.htm, nyskies@nyskies.org, 
        www.nyskies.org/ohclub.htm 

Tue 17 Swp 
    14:00 - New York University - MH - astronomy lecture - see Sep 3 
    20:00 - Westport - CT - Westport Astro Soc meeting 
         Rolnick Obsy. Free. www.was-ct.org, 203-227-0925 

Wed 18 Sep 
    10:30 - Piscataway - NJ - astronomy lecture - see Sep 11 
    15:30 - Courant Institute - MH - science lecture - see Sep 4 
    18:00 - Columbia University- MH - Ctr for sci and Soc lecture 
       Fauenweather Hall, Room 513. 'Comparing domains of 
        improvisation'. Free, adv regn reqd. 
        212-854-7211, scienceandsociety.columbia.edu 
    19:30 - New Brittain - CT - Astro Soc of Gtr Hartford meeting 
        Central CT St Univ, Copernicus Plm. Free. www.asgh.org, 
        860-872-9069, pparkerrs@cs.com 
    20:00 - Way Station Pub - BK - Astronomy on Tap meting 
        683 Washington Av & Prospect Pl (Prospect Hts). Informal 
        astronomy discussion in pub setting. Free, one drink purchase 
        reqd. astronomyontap.org/locatons/new-york-city 
    20:00 - Middletown - CT - clearsky starviewing - see Sep 4 
    20:00 - Westport - CT - clearsky starviewing  - see Sep 4 
   20:00 - Greenwich - CT - clearsky starviewing - see Sep 4 
    20:00 - Centerport - LI - Astro Soc of LI meeting  - see Sep 4 
    21:00 - Poughkeepsie - NY - clearsky starviewing - see Sep 4 

Thu 19 Sep 
    09:00 - Inst Stud Anc World - MH - cultural conference 
        Thru Fri 20 Sep. 15 E 84 St, 5/Madison Av. 'Scientific 
        tradition in the ancient Mediterranean and near East'  Free, 
        adv regn reqd. isaw..nyu.edu, isaw@nyu.edu, 212-992-7842 
    20:00 - Upper Montclair - NJ - clearsky starviewing - see Sep 5 
    20:30 - Piscataway - NJ - clearsky starviewng see Sep 12 

Fri 20 Sep 
    10:00 - Princeton - NJ - science tour - see Sep 6 
    18:30 - McBurney House - MH - NYSkies Astronomy Seminar  
        DISCUSSION: PRECESSION, THE SLIDING CELESTIAL COORDIANTES 
        125 W 14 St, 6/7 Av. Discussion of astronomy topics, show 
        & tell, skywatching reports, news of astro activity in NYSkies 
        territory. Free. nyskies@nyskies.org, www.nyskies.org     
    19:30 - Staten Is Community TV - SI - science show - see Sep 6 
    19:00 - Bridgehapton - LI - astronomy lecture 
        Montauk Obsy. South Fork Natl Hist Musm. Indoor talk, clearsky 
        starviewing. Free. www.montaukobservatory.com 
    20:00 - Cranford - NJ - Amat Astro Inc lecture 
         Union Co Coll, Smith Audm. Indoor talk, clearsky 
        starviewing. Free. www.asterism.org 
    20;00 - Wash'n X'ing - NJ - clearsky starviewing - see Sep 6 
     20:00 - Stamford - CT - astronomy lecture - see Sep 6 
    20:00 - Central Park - MH - clearsky starviewing - see Sep 6 
    20:30 - Boonton - NJ - clearsky starviewing  
        Sheep Hill Astro Assn Obsy, Free. Cancelled for  
        clouds. sheephillastro.otg, contacts@sheephillastro.org, 
        wwestura@optonline.net 

Sat 21 Sep 
    10:00 - Voorhees St Pk - NJ - NJ Astro Assn Open House 
        NJAA-HQ, Robinson Obsy. Talks, demos, food service, sun 
        viewing, vendors. Free.Clearsky starviewing after supper 
break. . 
        www.njaa.org, 908-368-8500 
    14:00 - Avenues HQ - MH - New York Map Society lecture 
         11 E 26 St, 7th floor.Various topics about map making, 
        cartography, geography.  Free, adv regn reqd. Have GI photo ID 
         for caampus security. www.newyorkmapsociety.org, 
        mapsociety@ny@gmail.com 
    20:00 - Ward Pound Ridge - NY - clearsky starviewing 
        Westchester Amat Astro. Meadows Picnic Area. Free. Cancelled 
        for clouds. waa-president@westchesterastronomers.org 
        www.westchesterastronomers.org, 
    20:00 - Southold - LI - Custer Institute meeting - see Sep 7 
    20:00 - Susan Rose Obsy - LI - clearsky starviewing  - see Sep 7 
    20:00 - Inwood Hill Park - MH cleasky starviewing - see Sep 7 
    20:00 - Central Park - MH - clearsky starviewing - see Sep 6 
    20:00 - Jenny Jump St Forest - NJ - Utd A C of NJ mtg - see Sep 7 

Sun 22 Sep 
    15:30 - Greenwich - CT - Astro Soc of Greenwich meeting 
        Greenwich Public Library. Free with musm adm. 
        rickbria@optonline.net, 203-415-6762, astrogreenwich.org 
    20:00 - Central Park - MH - clearsky starviewing - see Sep 6 

Tue 24 Sep 
    14:00 - New York University - MH - astronomy lecture - see Sep 3 
    18:00 - ISAW - MH - Amer Instt Archaeolgy lecture 
        MEETS WITH INSTITUTE FOR STUDY OF  ANCIENT wWRLD 
       15 E 84 St, madison/5 av. Various topics on archaeology and 
        anthropology. Free, adv regn reqd.. www.aia-nysociety.org, 
        info@aia-bysociety.org 

Wed 25 Sep 
    10:30 - Piscataway - NJ - astronomy lecture - see Sep 11 
    16:15 - Simons Foundation - MH - scinece lecture 
         160 5 Av & 21 St. 'Black hole collisions: The extreme side of 
        gravity '. Buffet smacks 16:15, lecture 17:00. Free, adv regn 
        reqd. 646-654-0066, ww.simonsfoundation.org 
        20:00 - Westport - CT - clearsky starviewing  - see Sep 4 
    20:00 - Middletown - CT - clearsky starviewing - see Sep 4 
    20:00 - Centerport - LI - Astro Soc of LI meeting  - see Sep 4 
    20:00 - Southold - LI - Custer Institute meeting 
    21:00 - Poughkeepsie - NY - clearsky starviewing - see Sep 4 

Thu 26 Sep    
    20:00 - Upper Montclair - NJ - clearsky starviewing - see Sep 5 

Fri 27 Sep 
    09:00 - Earth Institute - MH - science conference 
         Ford Foundation, 320 E 43 St. 'Climae crisis, global land 
        use, and human rights'. Free, adv regn reqd. Bring GI photo ID 
        for campus security. ei.columbia.edu, 
 16:00 - Goshen - CT - Connecticut Star Party 
        Thru Sun 29 Sep. Astro Soc of New Haven. Strang Camp. Dark 
        skies, talks, demos, camping, food service, lodging, tourism. 
        $24 + extras. www.asnh.org 
    17:30 - Intrepid Museum - MH - Free Friday show 
        Pier 86 and ship. Exhibits, demos, talks. Clearsky movies 
        and starviewing. Free. www.intrepidmuseum.org 
    19:30 - Cranford - NJ - Amat Astro Inc meeting - see Sep 6 
    19:30 - Staten Is Community TV - SI - science show - see Sep 6 
     20:00 - Stamford - CT - astronomy lecture - see Sep 6 
    20;00 - Wash'n X'ing - NJ - clearsky starviewing - see Sep 6 
    20:00 - Central Park - MH - clearsky starviewing - see Sep 6 

Sat 28 Sep 
    11:00 - Brighton Beach - BK - Parade of Trains show 
        Thru Sun 29 Sep. NY Transit Museum. Brighton line, Brighton Bh 
        station. Visit and ride several antique subway trains. Get 
        ferroviana at pop-up Museum shop, rap with subway crew, take 
        pictures and films of trains. Cintinuous rides along Brighton 
        line. Free with any subway route to Brighton Bh station. 
        www.nytransitmuseum.org 
     11:00 - Litchfield - CT - Litchfield Hills A A C lecture 
        MEEETS ON SATURDAY, NOT FRIDAY 
        White Meml Consrvn Ctr. Free. Indoor lecture, clearsky 
        sun viewing. lhaacsec@gmail.com, lhastro.org 
    20:00 - Susan Rose Obsy - LI - clearsky starviewing  - see Sep 7 
    20:00 - Jenny Jump St Forest - NJ - Utd A C of NJ mtg - see Sep 7 
    20:00 - Southold - LI - Custer Institute meeting - see Sep 7 
    20:00 - Inwood Hill Park - MH cleasky starviewing - see Sep 7 7 
    20:00 - Central Park - MH - clearsky starviewing - see Sep 6  
    20:30 - Voorhees St Pk - NJ - NJ Astro Assn meeting 
        NJAA-HQ, Robinson Obsy. Indoor lecture, clearsky 
        starviewing. Free. www.njaa.org, 908-368-8500 

Sun 29 Sep 
    20:00 - Central Park - MH - clearsky starviewing - see Sep 6 

Events Skipped This Month 
  -----------------------                                          
  EVENT MAY RESUME AT DIFFERENT PLACE OR HOUR; INQUIRE AT CONTACT 
  --------------------------------------
  --------------------------------------
  [AUT] AUTUMN RESUMPTION OF ACTIVITY 
  --------------------------------------
    13:30 - Piscataway - NJ - astronomy lecture 
        Seminar series. Rutgers Univ, Serin 401. Free. 732-445-3974, 
        www.physics.rutgers.edu/ast/seminar 
    15:30 - Palisades - NY - science lecture 
        Lamont-Doherty Earth Obsy, Comer Bldg. Various topics in 
        geophysics and earth science. Free, 845-365-8634, 
        www.ldeo.columbia.edu, suzana@ldeo.columbia.edu, 
    18:15 - Amer Musm Natl Hist - MH - Amat Astro Assn lecture 
         Kaufmann Theater. Free, no musm adm fee. 718-522-5014, 
         president@aaa.org, www.aaa.org 
    18:30 - CUNY Graduate Center - MH -'Ciry of sceince' lecture 
        365 5 Av & 34 St, Skylight Room. 'Plants, bioiversity, and the 
        survival of the panet'. Free, adv regn reqd. 
        www.gc.cuny.edu/publicprograms 
    19:00 - NY Academy of Sciences - MH - astronomy lecture 
        'The nystery of our mathematical universe'. $20. www.nyas.org 
    19:00 - Hayden Planetarium - MH - astronomy lecture 
        'Black holes and the force of gravity'. Enter Plm at 81 St & 
        Cntl Pk W. $15, adv regn reqd. 212-769-5100, 
        WWW.AMNH.ORG/PROGRAMS  
    19:30 - New Haven - CT - Astro Soc of New Haven meetinG 
        Yale Univ, Leitner Family Obsy. Indoor talk, clearsky 
        starviewing. Free. www.asnh.org, prez@asnh.org 
    19:30 - Hayden Planetarium - MH - astronomy lecture 
        'Degenrates of the universe'. Enter Plm at 81 St & Cntl Pk W. 
        $15, adv regn reqd. 212-769-5100, www.amnh.org/programs  
    20:00 - Danbury - CT - astronomy lecture 
        Westn Conn St Uv, Obsy/Plm. Indoor planetarium show, 
        clearsky starviewing. Free. www.wcsu.edu/starwatch, 
       203-837-8671, dawsond@wcsu.edu 
    20:0:0 - Columbia University - MH - astronomy lecture 
          Pupin Hall, signs to lecture room. Indoor lecture, clearsky 
         starviewing. Free. outreach-admin@astro.columbia.edu, 
         www.astro.columbia.edu/outreach, 212-854-3278 
     20:00 - Uniondale - LI - clearsky starviewing 
        Hofstra University,Berliner Bdg, Rm 117. Free, 
        adv regn reqd. Cancelled for clouds. 516-463-2759, 
        www.hofstra.edu/Academics, observatory@hofstra.edu 
   20:30 - Coll of Staten Is - SI - clearsky starviewing 
        Astrophys Obsy. Free, cancelled for clouds. 718-982-2818, 
        csivc.csi.cuny.edu/supernove7/files/home.html, 
        robbins@mail.csi.cuny.edu, 

  --------------------------------------
  [???] UNCERTAIN RESUMPTION OF ACTIVITY 
  --------------------------------------
    18:00 - Hempstead - LI -  Amer Instt Aero & Astro lecture       
       Hofstra Univ, Breslin Hall, rm216 . Various topics in 
         aeronautics and astronautics. 'Observations from the 
        Apollo LM to the Shuttlre and ISS, and beyond'. Free, $7 opt 
        pizza-soda, adv regn reqd.718-812-2727, greghomatas@msn.com 
    20:00 - West Reading - CT - clearsky starviewing 
        New Pond Farm, obseratory. $10, adv regn reqd. cancelled for 
        clouds. www.newpondfarm.org, 203-938-2117 
    20:300 - Lk Taghkanic St Pk - NY - clearsky starviewing 
        Mid-Hudson Astro Assn. West Beach parking lot. Free,  
        cancelled for clouds. Adv regn reqd with vehicle make, 
        model, plate number for park security. `       
        www.nidhudsonastronomy.org 

General News 
 ----------
    Space & Science Festival at Intrepid Museum is skipped this year. 
In late August Intrepid advised that it has several other major 
programs in the summer, letting the Festival take a rest. 
    Litchfiled Hills AAC has irs Sep lecture on the 28th, Saturday. it 
replaces the normal Friday lecture & starviewing. The meeting starts 
at 11:00 with clearsky sun viewing. 
    Both Vassar Coll and Wesleyan Univ resume their starviewings for 
the fall semester. They meet only during class sessions, skipping over 
holidays and school breaks. 
    ISAW opens its fall season with a 2-day conference on Sep 19-20 
about early science culture around the Mediterranean region. This 
should be of intense interest for us astronomers being that astronomy 
was a major sector of ancient  science..  Altho the conference is 
free, advance registration is required. 
    Amer Instt Archaeology has a joint meeting with ISAW on the 24th, 
listed under AIA. You may sign up thru either ISAW or AIA. 
    Simons Foundn opens its fall season with THREE astro talks in 
september!! All on Wednesday, the 4th, 11th, 25th. (An earlier NYSkies 
news notice showed four talks, a misread of simons's schedule. The 
fourth astro talk is on Oct 2.) Please register EARLY because they 
fill up quickly. 

City news
 -------
    With renovation of LIRR wing of Penn Station, 'Eclipsed time' 
astro-art may be discarded! As at mid August 2019 it's in disrepair, 
dirty, flecked with pigeon dung. Artifact was the first stop on 
Amat Obsrs Soc's 'City of stars' tour. 
    Work started in mid August on 42 St shuttle to replace antiquated 
stations and add more entrances. Regular service  continues during the 
project with heavy work done when shuttle's normal overnight closing. 
Schematic of new stations: 

    to 7 Av line 
            + 
              +  
          +    @ D               track #4 
                 + ++++++++++++++++~ ~++++++++++++++++++# 
        = = ======------+   \ /            \ / + ----------------
        =   A      B    |    X              x  |      E          F    
        =       +-------+   / \            / \ +----------======== 
        |       |#++++++++++++++++++~ ~++++++++++++++++++++    + 
        |    C  |                track #1                        +   
                                                              to Lex 
                                                              Av line 
    +++, tracks 1 & 4, old 2 & 3 filled by new platforms 
    ===, partition or wall, existing and new 
      @, flip plate over tk 4 removed 
     #, bumper at end of track 
     A, area of existing Times Sq station, all structure removed 
      B, new Times Sq platform on straight track in tunnel 
      C, existing Times Sq mezzanine, with new entrances 
      D, Transit workspace in old side platform 
      E, new Grand Central platform spanning tk 3 
      F, existing Grand Central mezzanine, with new entrances 
 Some pieces of tk 2 & 3 may remain abandoned in tunnel. 
 Connection to Lex & 7 Av lines remain for off-duty train moves. 
 Both platforms berth 6-car trains, up from 3 and 4 now. 
 Both platforms have X-overs for 2-way traffic on each track.
    NYS Gov Cuomo on aug 19 put up contest for new licence plate 
design. Four choices have Statue of Liberty or Manhattan skyline 
motif. Fifth choice has the new Tappan Zee bridge, named for Gov's 
father, late Gov Mario Cuomo. After winner is selected, motorists in 
2020 buy the new plate for $25, replacing their old one. 
     Automated cars started service on August 7 in Brooklyn Navy Yard. 
The vans shuttle workers and visitors around the industrial estate. 
Altho they follow a fixed route, the vans self-drive around obstacles 
and hazard, like other traffic, stacks of cargo, pedestrians. A human 
supervisor in each van takes control for malfunctions. 
    Larry Elder radio talk show, 970AM in NYC, had an astronomy 
question on August 9. In his 'Can you beat Kurt' segment Elder noted 
that planet Pluto was recclassified in 2006. What is its new category? 
Contestant answered correctly, 'dwarf planet'. 
    The rainbows are spreading! Occasional reports so far in 2019 show 
a few more subway stations carry rainbows. As stations are maintained, 
the blood-&-bones band may be replaced. The nw one seems to have the 
same iridigenic property as the ones along the 2nd Av line. Our 
Seminar's station at 6 Av/14 St, Canarsie  line deck became 
iridiferous in summer 2019. 
    NYSkies Astronomy Seminar on August 2 got us ready for the Perseid 
meteor shower and Pazmino's Cluster. We reviewed the history of 
meteors, meteorites, comets in the early 1800s. Meteors and meteorites 
were a mystery in 1800. In about 1803 a daytime bolide blew up over 
northern France, witnessed by hundreds. Biot and team found that 
meteor was tens of kilometers up. Newly found iron stones supplied by 
witnesses proved identical to meteorites in musea. In 1820s Quetelet 
working with statistics of shooting star reports, discovered that 
every year most shooting stars were seen in August. He found 
occasional high meteor activity in November. Herricks  and team in 
1830s observed the August meteors, showing that they fell from 
Perseus. Analysis of November meteors found they descended from Leo. 
In 1860s two comets were discovered, Swift-Tuttle and Tempel-Tuttle. 
When their orbits were worked up the upstream direction along them 
aimed directly at Perseus and Leo. The meteors from the August and 
November showers came from these two comets. We learned how meteor 
showers are produced by comet dust sprinkled along the comet's orbit. 
When Earth passes close to the orbit, it pulls in the dust to fall 
into the atmosphere. The dust  burn up, causing the flash of light, 
the meteor or shooting star. By 1880s more comet-shower links were 
found, with several in many months. The custom is to name the shower 
for the constellation they descend from. The August shower from comet 
Swift-tuTtle are the Perrseids; November, Twmpel-Tuttle, Lwonids. 
Normally Earth crosses a comet's orbit once due to the orbit geometry 
but it crosses Halley's comet twice. The May crossing produces the 
Aquarids; October, Orionids. We saw that the radiating effect is a 
perspective effect. The parallel paths of meteors come from a 
vanishing point, like in architecture and landscape drawing. We 
studied a picture of the Amtrak railline with parallel rails, 
catenary, wires converging in the distance to a vanishing point. From 
a front window on a train these seem to emerge from this point in 
radial paths. We noted that in 2019 the Perseids peak in owl hours of 
Tuesday 13 August in NYSkies region, A large 94% lighted Moon 
interferes. It sets at about 04h and dawn arrives at 05h, leaving only 
one hour of dark sky viewing. We discussed the moon-skip behavior from 
the shortfall of a lunar year against a solar year. We next looked at 
Pazmino's Cluster, sitting a few degrees from the Perseid radiant. 
Most observers begin their admiration of the Cluster while watching 
the Perseids. They follow it thru the next April, when it sinks into 
evening twilight. It is an easy binocular target, the one and only 
bright target in all of Camelopardalis. It's a favorite photo subject. 
We wrapped up at 20:45 EDST, letting us head home early. Takeaways 
were charts of sky and Perseus during prime viewing hours, simulation 
of Swift-Tuttle spilling off dust, 3-D drawing from 1860s of comet 
orbit intersecting Earth's, early infrared picture of dust trailing a 
comet, vanishing point on Amtrak mainline,, explanation of why August 
has 'dog days', path of Uranus in Aquarius in high sky during 
Perseids, shift of radiant in sky as Earth passes thru meteor stream. 
    NYC Transit in late July started putting out draft plans for 
redesign of bus routes. Plans for the Bronx, Queens, Staten Island 
issued as at late August. Brooklyn and Manhattan plans come later this 
year. Plans completely redraw routes, not just modify or adjust 
current ones. New routes take effect during 2020. 
    A panic erupted in Times Sq on Aug 6 ~21:30 EDST when 'gun shots' 
rang out. People stampeded for cover and police converged on the 
sounds. The 'shots' were from a motorcycle revving up and backfiring. 
    As at mid August NYPD lost 9 officers in 2019 to suicide. All were 
by self-shooting at home and most occurred since June. In other years 
NYPD suffers 5 or 6 suicides peer year. 
    I loaded two articles into our web: 

    www.nyskies.org/articles/pazmino/decanate.htm 
    www.nyskies.org/articles/pazmino/holocrem.htm 

 One is the explanation of the decanates, a once-mysterious topic for 
astronomers. This is a total rewrite of the current piece, adding new 
archaeology and astronomy simulations. The other is a new piece 
summarizing the 2019 Holocaust remembrance observance at the United 
nations. The UN held observances for decades but apparently this year 
was the first time it was open for the general public. 
    NYSkies Astronomy Seminar on August 16 explored the orientation 
and direction in the sky. We reviewed the concept of celestial sphere 
an artificial globe of indefinitely huge radius centered on Earth.  
Stars seem fixed in place, as if embedded in this sphere. We left out 
discussion of planetary motions and stayed with just the 'fixed 
stars'. We compared our view of Earth from the ground with sky. We see 
only a few kilometer radius around us, a minuscule part of the 
spherical Earth. It looks flat. The sky above us is half of the 
complete sphere with a curved inner surface. Maps of Earth for large 
areas have shape and size distortion. We generally aren't aware of 
this distortion because we don't have our own overview of large 
fractions of the world. Only since orbital flights do we have pictures 
of large parts of the Earth, with the distortion. Both Earth and sky 
have coord grid. On the ground it's the alt-az grid with pole at 
zenith and equator at horizon. The celestial sphere has RA-dec grid.  
north pole near Polaris. There is no bright star at the south pole. As 
the sky rotates by hour or season a star;s RA-dec remain constant, 
neglecting precession and proper motion. Its alt-az continuously 
change between rising, southing, setting. We must specify the date and 
hour with a statement of alt-az. For places far from New York the 
latitude must also be given. Compass directions on the sky do not line 
up with the horizon grid. North in the sky is always toward 
Polaris,however that direction points relative to the ground. West is 
toward the diurnal movement of the sky, however that direction points 
relative to the ground. The orientation of a constellation alters 
during its passage across the sky compared with its portrait view, 
with north at top. We played with an umbrella with constellation 
sticky-notes on the inside. We saw how the constellation names tilted 
between rising and setting. We studied charts of winter and summer 
stars to see how their orientation changed. We went topsy-turvy with 
the Big Dipper in the north. As the Dipper circles the pole, its north 
points up, left, sown, right. Steve Kaye and Greg Homatas showed this 
rotation around the pole causes Cassiopeia can look like a 'M', Greek 
epsilon, 'W', Greek sigma. We discussed tricks in hiking. Lie face-up 
under a stable overhand, like a thick tree branch. Pick out any 
obvious star next to the branch. After ten minutes it moves by diurnal 
rotation. The direction it moves toward is west. John Pazmino recalled 
on trips to the southern latitudes some astronomers were thoroly 
disoriented because the constellations were 'upside-down'. They lied 
face-up on tables or ledges with head hanging down over one edge. They 
then recognized the stars! We finished with dialog on field of view in 
binoculars. Stars are brighter, farther apart, fainter stars are 
discerned, and only a confined area of sky is taken in . We examined 
several asterisms with coords to determine the FOV and appreciate the 
binocular versus bare-eye view. We ended early, allowing us to freely 
chat on various subjects, including dangers from electromagnetic 
pulse. This comes from enemy attack and large solar eruptions. Steve 
Kaye is writing a short story set in a country whose power system and 
electronics were zapped by a solar outburst. With all of us having an 
interest in this theme I note here an article in our web: 

    www.nyskies.org/articles/pazmino/woolsey.htm

We bantered about the Perseids. Those who tried on the peak morning, 
owl hours on August 13th, found a cloudy or rainy sky. I recounted my 
view on the previous morning, the 12th. Thru a thin haze I saw seven 
Perseids between 02h and 03h EDST. A couple members were excited about 
the rebuilding of the 42nd St shuttle, with work starting late at 
night after the Seminar. Myrna Coffino during the morning rushhour was 
caught up in the closure of Fulton Center because some one planted 
apparent bombs in the station. Service at the station was halted for 
several hours until police found no explosive material. Takeaways were 
diagrams of ground and sky coordinates, charts of compass directions 
in sky. rotation of direction and orientation for winter and summer 
stars and Big Dipper, charts of asterisms for finding binocular fFOV. 
    A derelict set down three rice cookers in the red line station of 
Fulton Center on Aug 16. They were discovered ~07:30 EDST in AM RH, 
forcing shut down of entire transit complex. Stations opened by 10:00 
when items were deemed harmless. Police a couple days later caught 
suspect larry Griffin, who claimed no ill-intent.  He just discard 
unwanted junk. A couple NYSkiers reported being trapped in the 
incident. 
    A Cessna plane crashed into a house in Poughkeepsie NY on 17 Aug 
16:13 EDST. The pilot and one house resident were killed. The two 
other plane riders and one other resident were injured. The plane was 
on way from Lagrageville NY  to Farmingdale LI when pilot called in 
about engine trouble just before the crash. 

Sky news
 ------
    The NYSkies offer for the 2020 RASC Observer's Handbook opens on 
Sep 16! Cost per copy is still $23, with pack & post. The web page is 
not yet updated  but I know you want the 2020 , not 2019, book. I'm 
remain amazed that the need for the printed book is still strong -- 
and gently growing! -- in the face of online and computer astro-info.  
Details and coupon at 

    www.nyskies.org/oh.htm 
 
    August continued the rain-clear pattern of July with more really 
clear calm mild nights and cool breezy sunny days. Solid stargazing 
was done between the rain and clouds, sometimes within the same night. 
some observers hunted down Uranus and Neptune and some fainter DSOs. 
No Milky Way sightings, but several nights had good sprinkling of dim 
stars thruout the MW belt and within constellation catch-figures. 
    On August 7 14:47 EDST a weak, FE0, tornado hit Springfield NJ. It 
ripped up trees and tore off minor structural fixtures but caused no 
injuries. Twister was part of major wave of thunderstorms sweeping 
NYSkies in afternoon and evening. 
    Venus entered our evening sky in mid August for her grand 2019-
2020 apparition. This caps the current 8-year cycle of apparitions 
since that of 2011-2012. Look for her near horizon, upper-left of 
sunset point. She slowly in fall recedes from Sun into higher darker 
sky. 
    'Tribute of light' shines on Sep 11 dusk thru the 12th dawn. The 
twin blue beams reach astounding heights, tens of kilometers! Try 
measuring the height with instructions at: 

    www.nyskies.org/articles/pazmino/trib-lt.htm 

    The autumn season for potential sighting of the Milky Way runs 
from sep 1 thru Nov 30. On the occasional ultra-dark nights within NYC 
the brighter segments of the MW are glimpsed. No assurance of success 
but usually we get one confirmed sighting per year. Attempt demands 
full fluency with sky, shielding from local lights, good dark vision. 
More at:

    www.nyskies.org/articles/pazmino/milky-ny.htm 

    John Pazmino watched the Perseids on aug 1h to grab a promising 
clear cool night and have more Moon-free time. He wanted to observe 
from 02h to 04h EDST. HE got sleepy at about 03h and had to quit. The 
sky was clear with a thin haze. Transparency was 3 to 3-1/2 magnitude 
in vicinity of Perseus. John's view from an open window was 
constrained by houses and trees but the zone north of Perseus was in 
the open sky. In the one hour of viewing he saw 7 Perseids and no 
erratic meteors. All were of 0th to 2nd magnitude. John may have seen 
dimmer meteors, not for sure. All were classical 'tears of St 
Lawrence'. His field was restricted to about one quadrant north of the 
radiant. If the count prevailed for the obstructed quadrants, there 
may have been 28 Perseids. Even tho these would be the bright ones, 
this would be a decent shower a day before the peak. 
    Ultra clear night on August 25 until midnight or so over City. 
Transp was 4-1/2 to 5 with temps of ~15C and cool breezes. Sky filled 
with dim stars all over; catch figures standed out clearly; asterisms 
easily recognized. No Milky Way reports but observers noted definite 
peppering of stars along MW path. In owl hours haze and scattered 
clouds rolled in