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NYC EVENTS FOR DECEMBER 2018 
 --------------------------
 John Pazmino 
 NYSkies Astronomy Inc  
 nyskies@nyskies.org  
 www.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 Standard Time (UT - 5h). 

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.  
    '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 
  ---   ---   ---   ---   ---   ---   ---  -----
  -25   -26   -27   -28  -(29.  -30     1  16:29 
    2     3     4     5     6    .7.#    8 16:28 
    9    10    11    12    13    14   .15) 16:29 
   16    17    18    19    20    21#  (22) 16:32 
   23    24    25    26    27    28   (29. 16:37 
   30    31    +1    +2    +3   .+5.#.  +6 16:43 
 ------------------------------------------------

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 
  Canarsie line closings  -  0 
 *Floyd Bennett Field - - - 14 
  Secret Science Club - - -  0 

    CONNECTICUT - CT 
 *A S of Gtr Hartford   - - 19 
  Astro Soc of Greenwich  - ??? 
 *Astro Soc of New Haven  - SPR 
  Bowman Observatory  - - -  5, 19 
 *Litchfield Hills AAC mtg  14 
 *Litchfield Hills starvg - SPR 
 *McCarthy Observatory  -    8 
  New Pond Farm - - - - - - 15 
  Stamford Observatory  - -  7, 14, 21, 28 
 *Van Vleck Obsy (ASGH) - - 15 
  Van Vleck Obsy (WU) - - - SPR 
  Western CT St Univ Obsy -  1, 15 
 *Westport Astro Soc mtg  - 18 
 *Westport Astro Soc starvg  5, 12, 19, 26       
  -------------------------
  Boothe Meml Astro Soc - 203-377-9933, 
    www.facebook.com/Boothe-Memorial-Astronomical-Society 

    LONG ISLAND - LI 
 *Amateur Observers Soc - -  4 
 *Amat Obsrs Soc starviewing 0 
  Amer Instt Aero & Astro - SPR 
  Astro Soc of Long Island   5, 12. 19, 26 
  Brookhaven National Lab - SPR 
  Custer Institute  - - - -  1, 8, 15, 22, 29 
  Hofstra Univ Obsy - - - -  2 
  Montauk Observatory - - - ??? 
  SUNY Stony Brook - -  - -  7 
 *Susan Rose Observatory  -  1, 8, 15, 22, 29 
 
    MANHATTAN - MH  
 *Amat Astro Assn starvwg -  0 
 *Amat Astro Assn lecture    7 
  Amer Instt Archarology  - ??? 
  Ctr for Atmosp Ocean Sci   5 
  Ctr for Science & Society SPR 
 Central Pk (Great Lawn)  -  1,2,7,8,9,14,15,16,21.22,23,28,29,30     
 Christmas Day  - - - - - - 25 
 Christams Eve -- - - - - - 24 
 *Columbia Univ Obsy  - - - 14 
  comet Wirtamen -- - - - -  1-indef 
  Cornelia Street Cafe'   -  2 
  Earth Institute - - - - - ??? 
  Globe at Night - - - -  -  1-8, 29-Jan 7 
  Good Housekeeping lab   - 14 
  Gullivarr's Gate- - - - -  0 
  Holiday train - - - - - -  2, 9, 16, 23, 30 
  Instt Stud Ancnt World  -  4, 5, 6, 12, 13, 14, 15, 19 
  Intrepid AstroCafe' - - - SPR 
  Intrepid Astro Night  - - SPR 
 *Inwood Astronomy Project   1, 8, 15, 22, 29 
  Jupiter Joe Sidewk Astro   0 
  Natl Musm of Mathematics   5 
  New Year's Eve  - - - - - 31 
  NY Academy of Sciences  - SPR 
  NYC-H2O - - - - - - - - -  0 
  New York Map Society  - -  ??? 
  New York Univ Astro - - - SPR 
 *NYSkies Astronomy Seminar  7, 21 
  Observer's Handbook offer  1-indef 
  SciCafe'  - - - - - - - -  5 
  Simons Foundation - - - -  5 
  Top of the Lawn - - - - -  1,2,7,8,9,14,15,16,21.22,23,28,29,30       
  TriState computer fair  -  0 
  Urban Park Rangers -  - -  0 
  Weekend Walks - - - - - -  1-15 
  ----------------------------
 Ctr for Space Sci Edu - - info@nyccsse.org, www.nyccsse.org,  
            212-608-6164 n 

    METRO-NORTH - NY  
  Lamont-Doherty Obsy - - -  7 
  Mid-Hudson Astro Assn - -  7 
  Ramapo Challenger Ctr - - 16 
  Rockland Astro Club - - - 15 
  Vassar College Obsy - - - SPR  
  Ward Pound Ridge  - - - - SPR 
  Westchester Amat Astro  -  7 

    NEW JERSEY - NJ  
  A A A of Princeton  - - - 11 
  A S of Toms Rv Area - - - ??? 
 *Amat Astro Inc meeting  -  7, 14, 28 
 *Amat Astro Inc lecture  - 21 
  Morris Musm Astro Soc - - 13 
  New Jersey Astro Assn - - SPR 
  North Bergen Viaduct  - -  0 
  No Jersey Astro Gp mtg  - 12 
  No Jersey Astro Gp starvg  6 
  Peyton Observarory  - - -  5 
  Plasma Physics Lab  - - -  7, 21 
  Rutgers Univ Astro Collqm  5, 12 
  Rutgers Univ Astro Semnr   6 
 *S*T*A*R - - - - - - - - -  6 
  Schommer Observatory  - - 13, 20 
 *Sheep Hill Astro Assn - -  7 
 *Sheep Hill Observatory  - 21 
 *Utd Astro Clubs of NJ - - SPR 
  Washington Xing St Pk - - SPR 
  ---------------------------
  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 

    QUEENS - QN  
  Alley Pond Park - - - - - SPR 
  York College Observatory  12 

    REST OF WORLD 

    STATEN ISLAND - SI 
  Coll of Staten Is Obsy  - SPR 
  Great Kills Park  - - - - SPR 
  Staten Is Community TV  -  7, 14, 21, 28 

    THE BRONX - BX 

 ============================= Ongoing and continuing events 
  --------------------------
    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 - BK - occasional weekend shutdown 
        CERTAIN WEEKENDS; INQUIRE AT CONTACT 
        Thru March 2019. Canarsie line closes on about a dozen 
        specific weekends for preliminary work in advance of total 
        shutdown in april 2019. No service bten Bway Jc and 8th Av 
        from 22h Fri to 05h Mon. Trains run only Canarrsie to B'eay 
        Jc. WEekends may change based on work progress. 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 stereopint 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, 

List of events -
 ------------                                                         
Sat  1 Dec 
    all day - whole City - MH - comet 46P/wietamen apparition 
        indefinite duration.  Rrturn of period comet 46P/ wirtamen in 
        evening sky. Reached 4th amgnitude at end Nov, could peak at 
2nd 
        Magn in lare Dec. passes thru Cet, Tau, per, aur,Lyn. Orbit 
        elements for planetarium software: 
        ----------------------------------
         Epoch 2018 Dec. 28.0 TT = JDT 2458480.5 
         periT 2018 Dec. 12.94159 TT     periAU 1.0553689 AU 
         MMDM 0.18118340 deg/day        ArgPeri 356.35268 deg 
         SMA 3.0930749 AU               AscNode 82.15812 deg 
         Excent 0.6587962               Incl 11.74639  deg 
         Period  5.44 year 
       From 1694 observations 2007 Aug 6-2018 Nov 16, mean residual 
0".8 
       ---------------------------------------------------------------
--
    all day - whole City - MH - Observer's Handbook offer 
        The NYSkies offer for the 2019 RASC Onserver's Handbook is 
        open. The Books are right now in delivery to their 
        astronomers.  You better put in your reqursts NOW. Cost is 
        still $23 per copy, with P&P. www.nyskies.org/oh.htm, `        
`        nyskies@nyskies.org, www.nyskies.org/ohclub.htm 
    all day - whole City - MH - Weekend Walks street fairs 
        VARIOUS LOCATIONS AND DATES; INQUIRE AT CONTACT 
        Thru15 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 
    16:30 - 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 
    18:00 - whole CIty - MH - Globe at Night exercise 
        Thru Dec 8. NYSkies runs its own Globe at Night exercise in 
        2018-2019 while Orion is in sky at nighfall. Same method and 
        procedure as for prior years for documenting sky transparency 
        over City. Details at www.nyskies.org/gannyc.htm. 
    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 
    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 - 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 - 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 

Sun 2 Dec 
   all day - 6th & 8th Av line - MH - Holiday Train rides 
        A Transit Museum vintage train runs along 6Th & 8th Av line,s 
        doing express stops between 2 Av/Houston St and 125 St/8 Av. 
        Train is 
        mixed in with regular trains. Stops are 2 Av, B'way-
        Lafayette, W 4 St, 34 St/Herald Sq, 42 St/Bryant Pk, 
        50 St/Rockefeller Ctr, 7 Av/53 St, 59 St/Coumbus Cr, 125 St/8 
        Av.Runs 10h-17h, round-trip is 60 minutes. Free with subway 
        fare. www.mta.info 
    13:15 - Uniondale - LI - Amat Obsrs Soc meeting. 
        Hofstra Univ, Berliner Hall. Free. www.aosny.org, 
        suerose@optonline.net 
        Hofstra Univ, Berliner Hall. Free. www.aosny.org, 
        suerose@optonline.net 
    18:00 - 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 
    18:00 - Cornelia St Cafe' - MH - Entertaining Science show 
        29 Cornelia St & W 4 St, Play & music on various 
        science themes. $10 + one drink min. 
        www.corneliastreetcafe.com, 212-989-9319 
    20:00 - Central Park - MH - clearsky starviewing - see Dec 1 

Tue  4 Dec 
    18:00 - Inst Stud Anc World - MH - cultural lecture 
        15 E 84 St, 5/Madison Av. Various topics on history and 
         culture of ancient civilizations.. Free, adv regn reqd. 
        isaw..nyu.edu isaw@nyu.edu, 212-992-7842 

Wed  5 Dec 
    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 
    12:00 - Inst Stud Anc World - MH - cultural lecture - see Dec 4 
    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 
    17:00 - Simons Foundation - MH - scinece lecture 
         160 5 Av & 21 St. 'Black holes and the structure of 
        spacetime'. Free, adv regn reqd. 646-654-0066, 
         ww.simonsfoundation.org 
    19:00 - 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 
    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 
     20:30 - 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 
      
Thu  6 Dec 
    13:30 - Piscataway - NJ - astronomy lecture 
        Seminar series. Rutgers Univ, Serin 401. Free. 732-445-3974, 
        www.physics.rutgers.edu/ast/seminar 
    18:00 - Inst Stud Anc World - MH - cultural lecture - see Dec 4 
    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  7 Drc 
    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. Photo ID required for campus security. 
        www.pppl.gov/events 
    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 - McBurney House - MH - NYSkies Astronomy Seminar  
        DISCUSSION: THE COMET AND THE KILOGRAM 
        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     
    19:00 - 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 
    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 
    19:30 - Pleasantville - NY - Westchester Amat Astro meeting  
        Pace Univ, Lienhard Hall, Free. 
        www.westchesterastronomers.org, 
        waa-president@westchesterastronomers.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 - Cranford - NJ - Amat Astro Inc meeting 
        Union Co Coll, Sperry Obsy. Indoor talk, clearsky  
        starviewing. Free. www.asterism.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 - see Deec 1 

Sat  8 Dec 
    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 Dec 1 
    20:00 - Inwood Hill Park - MH cleasky starviewing - see Dec 1 
    20:00 - Susan Rose Obsy - LI - clearsky starviewing  
    20:00 - Central Park - MH - clearsky starviewing - see Deec 1 

Sun  9 Dec 
   all day - 6th & 8th Av line - MH - Holiday Train rides - see Dec 2 
    20:00 - Central Park - MH - clearsky starviewing - see Deec 1 

Tue 11 Dec 
    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 12 Dec 
    10:30 - Piscataway - NJ - astronomy lecture - see Dec 5 
    12:00 - Inst Stud Anc World - MH - cultural lecture - see Dec 4 
    19:00 - 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 - Upper Montclair - NJ - No Jersey Astro Gp meeting 
        Montclair St Univ, Richardson Hall, Room 232. Free. 
        njastro.org, 973-655-7266 
    20:00 - Westport - CT - clearsky starviewing - see Dec 5 
    20:00 - Centerport - LI - Astro Soc of LI meeting - see Dec 5 

Thu 13 Dec 
    18:00 - Inst Stud Anc World - MH - cultural lecture - see Dec 4 
    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 
    20:30 - 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 14 Dec 
    09:00 - Inst Stud Anc World - MH - cultural lecture - see Dec 4 
    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 
    19:30 - 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 
    19:0:0 - 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 
    19:30 - Torrington - CT - Litchfield Hills Amat Astro Club mtg 
        Central Congregational Church. Free. 
    19:30 - Cranford - NJ - Amat Astro Inc meeting - see Nov 2 
    19:30 - Staten Is Community TV - SI - science show - see Dec 7 
    19:30 - Cranford - NJ - Amat Astro Inc meeting - see Dec 7 
    20:00 - Stamford - CT - astronomy lecture - see Dec 7 
    20:00 - Central Park - MH - clearsky starviewing - see Deec 1 

Sat 15 Dec 
    16:00 - Inst Stud Anc World - MH - cultural lecture - see Dec 4 
    16:30 - Danbury - CT - astronomy lecture - see Dec 1 
    18:30 - West Reading - CT - clearsky starviewingh 
        New Pond Farm, obseratory. $10, adv regn reqd. , cancelled for 
        clouds. www.newpondfarm.org, 203-938-2117, 
    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 - Middletown - CT - clearsky starviewing 
        Astro Soc of Gtr Hartford, Wesleyan U, Van Vleck Obsy. Free. 
        Cancelled for clouds. www.asgh.org, 860-872-9069, 

Sun 16 Dec 
   all day - 6th & 8th Av line - MH - Holiday Train rides - see Dec 2 
    14:00 - Airmont - NY - science show 
        Ramapo Challenger Ctr, 225 Rt 29. Multimedia 
       imulation of space missions. $20. wwwlhvcc.com, 
       director@lhvcc.com, 845-257-3416. 
    20:00 - Central Park - MH - clearsky starviewing - see Deec 1 

Tue 18 Dec 
    20:00 - Westport - CT - Westport Astro Soc meeting 
         Rolnick Obsy. Free. www.was-ct.org, 203-227-0925 

Wed 19 Dec 
    12:00 - Inst Stud Anc World - MH - cultural lecture - see Dec 4 
    19:00 - Greenwich - CT - clearsky starviewing - see Dec 5 
    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 - Westport - CT - clearsky starviewing - see Dec 5 
    20:00 - Centerport - LI - Astro Soc of LI meeting - see Dec 5 
    20:30 - Piscataway - NJ - clearsky starviewng - see Dec 13 

Fri 21 Dec 
    10:00 - Princeton - NJ - science tour - see Dec 7 
    18:30 - McBurney House - MH - NYSkies Astronomy Seminar  
        DISCUSSION: OUR WINTER DKY AND MAYBE AN AURORA 
        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 Dec 7 
     20:00 - Cranford - NJ - Amat Astro Inc lecture 
          Union Co Coll, Smith Audm. Indoor talk, clearsky 
        starviewing. Free. www.asterism.org 
    20:00 - Stamford - CT - astronomy lecture - see Dec 7 
    20:00 - Central Park - MH - clearsky starviewing - see Deec 1 
    20:30 - Boonton - NJ - clearsky starviewing  
        Sheep Hill Astro Assn Obsy, Free. Cancelled for  
        clouds. sheephillastro.otg, contacts@sheephillastro.org, 
        wwestura@optonline.net 

Sat 22 Dec 
    20:00 - Southold - LI - Custer Institute meeting - see Dec 10 
    20:00 - Central Park - MH - clearsky starviewing - see Deec 1 
    20:00 - Susan Rose Obsy - LI - clearsky starviewing  
    20:00 - Inwood Hill Park - MH cleasky starviewing - see Dec 1 

Sun 23 Dec 
   all day - 6th & 8th Av line - MH - Holiday Train rides - see Dec 2 
    20:00 - Central Park - MH - clearsky starviewing - see Deec 1 

Mon 24 Dec 
    all day - whole City - MH - Christmas Eve 
        Please check with event contact for session falling on this 
        day by rule or outdated schedule 

Tue 25 Dec 
    all day - whole City - MH - Christmas Day 
        Please check with event contact for session falling on this 
        day by rule or outdated schedule 

Wed 26 Dec 
    20:00 - Westport - CT - clearsky starviewing - see Dec 5 
    20:00 - Centerport - LI - Astro Soc of LI meeting - see Dec 5 

Fri 28 Dec 
    19:30 - Cranford - NJ - Amat Astro Inc meeting - see Dec 7 
    19:30 - Staten Is Community TV - SI - science show - see Dec 7 
    20:00 - Stamford - CT - astronomy lecture - see Dec 7 
    20:00 - Central Park - MH - clearsky starviewing - see Deec 1 

Sat 29 Dec 
    18:00 - whole CIty - MH - Globe at Night exercise 
        Thru Jan 7. NYSkies runs its own Globe at Night exercise in 
        2018-2019 while Orion is in sky at nighfall. Same method and 
        procedure as for prior years for documenting sky transparency 
        over City. Details at www.nyskies.org/gannyc.htm . 
    20:00 - Susan Rose Obsy - LI - clearsky starviewing  
    20:00 - Southold - LI - Custer Institute meeting - see Dec 1 
    20:00 - Inwood Hill Park - MH cleasky starviewing - see Dec 1 
    20:00 - Central Park - MH - clearsky starviewing - see Deec 1 

Sun 30 Dec 
   all day - 6th & 8th Av line - MH - Holiday Train rides - see Dec 2 
    20:00 - Central Park - MH - clearsky starviewing - see Deec 1 

Mon 31 Dec 
    all day - whole City - MH -New Year's Evee 
        Please check with event contact for session falling on this 
        day by rule or outdated schedule 

 Events Skipped This Month 
 -----------------------                                          
  EVENT MAY RESUME AT DIFFERENT PLACE OR HOUR; INQUIRE AT CONTACT 
  --------------------------------------
  --------------------------------------
  [SPR] SPRING RESUMPTION OF ACTIVITY 
  --------------------------------------
    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 
    15:00 - Upton - LI - science lecture 
        Brookhaven Natl Lab.Bldg 510. 'Weighing galaxy clusters with 
        weak lensing in Hyper Suprime-Cam Survey'. Free, have GI photo 
        ID for  campus security. 631-344-2651, www.bnl.gov/evnts 
    18:00 -CUNY Graduate Center - MH - Ctr for Sci & Soc lecture 
        385 Fifth Av. 'Early modernb science intertwine An 
        Iberoamerican perspective'. Free, adv regn reqd, Free,  
        limited seating. 212-854-7211, 
        scienceandsociety.columbia.edu 
    18:00 - Uniondale - LI -  Amer Instt Aero & Astro lecture       
        Hostra U, Nreslin Hall. Various topics in aeronautics and 
        astronautics. 'Nars sample return missiOn'. Free, optional $5 
        pizza-soda. 516-458-8593, davidparis@twc.com 
   19:00 - 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, 
    19:00 - NY Academy of Sciences - MH - astronomy lecture 
        'The nystery of our mathematical universe'. $20. www.nyas.org 
    19:00 - Toms River - NJ - Astro Soc of Toms Rv Area meeting 
        Ocean Co Coll, Student Ctr, Solar Lounge. Free. 
        www.astra-nj.org, 732-255-0343, webmaster@astra-nj.org 
     19:00 - Litchfield - CT - Litchfield Hills A A C lecture 
        White Meml Consrvn Ctr. Free. Indoor lecture, clearsky 
        starviewing. lhaacsec@gmail.com, lhastro.org 
     19:30 - Intrepid Museum - MH - AstroCafe' lecture 
        Flight deck of ship. Indoor/open air lecture, clearsky 
        starviewing. Food & drink service, bar drinks sold only to 21+ 
        YO. Free. www.intrepidmuseum.org 
     19:30 - Intrepid Museum - MH - astronomy lecture 
        Flight deck of ship. Indoor/open air lecture, clearsky 
        starviewing. Free. www.intrepidmuseum.org 
    19:30 - Alley Pond Park - QN - astronomy lecture 
        Alley Pond Enviro Ctr. Indoor lecture, clearsky 
        starviewing. $14 at door.. www.alleypond.org, 
        info@alleypond.org, 718-229-4000 
    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 
    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 - 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 - 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 - Middletown - CT - clearsky starviewing 
        MEETS EVERY WEDNESDAY ONLY DURING CLASSES; INQUIRE AT CONTACT 
        Wesleyan U, Van Vleck Obsy. Free, cancelled for clouds. 
        860-685-3664, www.wesleyan.edu/astro/events 
    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 
    20:30 - Voorhees St Pk - NJ - NJ Astro Assn meeting 
        NJAA-HQ, Robinson Obsy. Indoor lecture, clearsky 
        starviewing. Free. www.njaa.org, 908-368-8500 
    21:00 - Poughkeepsie - NY - clearsky starviewing 
        MEETS EVERY WEDNESDAY ONLY DURING CLASSES; INQUIRE AT CONTACT 
        Vassar College, Observatory. Free. Cancelled for clouds. 
        physicsandastronomy.vassar.edu/observatory.html, 
        845-437-7340 

  --------------------------------------
  [???] UNCERTAIN RESUMPTION OF ACTIVITY 
  --------------------------------------
    14:00 - World School - MH - New York Map Society lecture 
        11 W 26 St, 7th fl, upstairs from MoMath. 'Mapping the 
        heavens'.Various topics about map making, cartography, 
         geography. Free, adv regn reqd. www.newyorkmapsociety.org, 
       mapsociety@ny@gmail.com 
    15:30 - Greenwich - CT - Astro Soc of Greenwich meeting 
        Greenwich Public Library. Free with musm adm. 
        rickbria@optonline.net, 203-415-6762, astrogreenwich.org 
    18:00 - Earth Institute - MH - science lecture 
        Columbnia Univ, Lerner Hall, Arledge Audm.. 'Sea level rise: 
        Causes, impacts and options for solutions'. Free, adv regn 
        reqd. ei.columbia.edu 
    18:30 - Explorers Club - MH - Amer Instt Archaeolgy lecture 
        46 E 70 St. Various topics on archaeology and anthropology. 
        Free, adv regn reqd. www.aia-nysociety.org, 
        info@aia-bysociety.org 
    19:00 - Bridgehampton - LI - astronomy lecture 
        Montauk Obsy. South Fork Natl Hist Musm. Indoor talk, clearsky 
       starviewing. Free. www.montaukobservatory.com 
 
General news 
 ----------
    December's NYC Events is the hardest edition to compile. Most 
current schedules run out in December but clubs commonly can not set 
up next year's events. Their hosts are on holiday or are short-staffed 
until January. If your anticipated event is in the '???' or 'SPR' 
section, please ask at the contact for latest news. 
    Recall that many events were killed by summer and autumn floods 
and winds. Winter weather, with cold and ice, can continue this 
interdiction. Inquire at event contact for last-minute cancellations 
and be aware of adverse road/rail conditions. 
    I moved Vasssar and Wesleyan observatory public nights to the 
'SPR' section. Both colleges enter their winter breaks and 
intersessions during December and into January,  The could be a last 
session in early December which you may inquire after at the contact. 
    Instt Study Anct Wld has lectures at various hours, as it did in 
November 2018.  The caution note against each lecture in the November 
NYC Events confused some readers,  I omitted these nots to let you 
treat each entry for its hour. 
    This year's Holiday Train has a new route, no longer doing local 
stops in 6th Av and turning at Queens Pz. it's an express, like route 
D trains, turning at 125 St/8 Av. Riders on the early runs after 
Thanksgiving report that the train may continue one more stop to 145 
St/StN to berth in its center track. See under Dec 2nd. 
    Several event contacts were updated. Most were furnished by clubs 
taking part in the NYSkies Observer's Handbook offer. 
    With the fever about bright comet wirtamen, astronomy centers may 
add extra starviewings for it. These may be set up on short notice. 
Inquire at your local astronomy center for latest news. 

City news
 -------
    I got several good comments for my new piece on Einstein's 
equation. Most noted the wording in the 'spin-off features' was 
klunky. I revisited this section and made minor changes elsewhere. The 
upgraded article is at 

    www.nyskies.org/articles/pazmino/emc2.htm 

Some remote readers voiced vivid interest to apply E=mc2 to a local 
factory or industry that derives  energy. from heat. 
    The Observer's Handbook offer is still alive. Barely. We are 
receiving a steady flow of requests, running down our stock. If you or 
your club has pending need for the OH, your request just MUST get to 
NYSkies TODAY. What happens if we run out when we get your request? No 
problem. We return your unbanked check with the stomach-churning 
'SORRY!' letter. You know soonest you see the envelope in your letter 
box. It's a flat business-size one, not the hefty thick one with the 
book inside. 
    NYSkies Astronomy Seminar on 2 November 2018 studied several kinds 
of  trajectory for spaceflight. We learned that serious discussion 
about flying to other planets began in the 19-ohs. Hohmann worked out 
the minimum-energy flightpath between planets during WWI but held it 
secret for fear of military use. He published his calculations in 
1925. We saw that a Hohmann path is an ellipse tangent to the home and 
target planet orbits. The spacecraft leaves the home planet such it 
arrives at the other end of the ellipse when the target planet also 
arrives there. The only fuel needed is to adjust the speed of the 
craft to match the planet's. In 1928 vanPirquet proposed a compromise 
path lasting 2/3 the Hohmann path but needs speed adjustment radially 
from the Sun.The realization of interplanetary flight came in the 
1960s when USSR and US were fielding probes to Venus, Moon, Mars. 
These followed Hohmann or vanPirquet trajectories.To reach the farther 
planets NASA developed the gravity assist method of modifying a 
craft's speed and direction by passing near an intermediate planet. 
The planet's gravity diverts the craft toward its target. According as 
the flight plan the bypass may either increase or decrease the probe's 
speed. For the Pioneer and Voyager flights the flyby of planets for 
gravity assist was also a chance to examine the orbs. Gravity assist 
is used for the exploration of Jupiter and farther planets. We learned 
that gravity assist is used for shifting the orbit plane of the probe, 
like for Ulysses and Juno. The former was put into a polar orbit 
around the Sun via Jupiter. Juno was shifted into a polar orbit around 
Jupiter. We examined the use of Lagrange points in the Earth-sun and 
Earth-Moon systems. These are places around the two bodies where a 
probe  can coorbit with the Moon or Earth. In nature two points, L4 
and L5 in the Jupiter-sun system are abodes of the Trojan asteroids. 
These pace Jupiter in his orbit, staying 60 degrees ahead and behind 
him. Points L1 and L2 are used to station Earth-orbiting probes to 
maintain the same position relative to Sun or Moon. Genesis and SOHO 
were sent to L1, 1.5 million kilometers toward the Sun. WMAP Planck, 
and Herschel were at L2,, 1.5 million kilometers opposite from the 
Sun. The Lagrange points behave like virtual gravity centers, allowing 
probes to do small orbits around them, sometimes called a 'halo orbt'. 
The Trrojan asteroids orbit around their L4/L5 centers. Takeaways were 
diagrams of many spacecraft trajectoris,historical pictures of early 
spaceflight articles,  path of Dawn via Hohmann and ion-engine 
propulsion, Hohmann round-trip flight to mars, gravity assist vector 
triangle diagram, lunar assist to speed a probe but resist to slow the 
rocket for return to Earth, graphical explanation of Lagrange L1 and 
L2 points. 
     on 16 November 2018 Intl Comte on Wts and Mwasrs set fixed 
permanent values for several physical constants and redefined the 
kilogram. Constants, previously measured quantities, now have exact 
values no longer experimentally determined. The kilogram is defined 
from Planck constant, with its new fixed value, as 

    (mass) = (Planck) * (frequency) / ((lightspeed) ^ 2).

New constants are 
   ------------------------------------
    Planck = 6.62607015e-24 kg.m2/s ('big-h'= 2*pi*'small-h') 
    electron charge = 1.602176634e-19 A.s (A.s is the Coulomb) 
    Avogadro = 6.02214076e23 atom/mole (gram mass = atomic mass) 
    water triple point = 273.16 K (liq-sol-vap interface) 
    Boltzmann = 1.3801649e-23 kg.m2/K.s2 
    ---------------------------------------------------------------
Other units derived from these constants are jiggered into new values. 
New scheme takes effect on 20 May 2019.  Until then the kilogram is the 
mass of actual metal plug in care of Comte in France.  -
    The New York Wheel project was cancelled on 23 October 2018. it 
proposed a 192m tall Ferris wheel facing manhattan on Staten Is north 
shore.Ride would be one revolution per two hours, some with light 
snacks in the cabin. Finances ran out and concern increased about 
toppling in storms. project featured shopping and commuter parking, 
which continue building. 
    NYSkies Astronomy Seminar on Friday 16 November 2018 showed how 
Einstein's E=mc2 applies to our daily life. We also learned how heat 
behaves in producing energy. The dialog centered on my new piece on 
the Einstein formula, supplemented by pictures of electric utility 
equipment. We recalled that humans extract useful work from both heat 
and other prime sources of energy. Water mills, chemical batteries, 
helioelectric cells are examples of nonthermal energy. For humans 
there is so far only one source of continuous, economical, reliable, 
abundant energy, that from heat. machines extract energy from a high 
temperature, produced by combustion of fuel, and reject some heat at a 
lower temperature. We learned that when steam machines were new in the 
late 1700s it was assumed they threw away heat because of mechanical 
losses. In time far more input heat would go into work. Carnot in 
early 1800s found there is a maximum limit for extracting work from 
heat, based on the high and low temperatures. No machine running 
between these temperatures can get a greater work output than the 
Carnot limit. We learned that all energy, hear or otherwise, comes 
from conversion of mass into that energy. The amount of converted mass  
in ordinary life is so tiny it is usually undetectable. The rule was 
that mass is constant in a given situation  with no gain or loss. 
Energy was treated as a content of the mass that is released by 
suitable process. We took a close look at statistics from Con 
Edison's generating stations, from data collected for previous 
astronomy discussions in the 1980s. The company spent, in 1987, over 
$600 million for petroleum, natural methane, and uranium. Of the heat 
released in the power plants, only about 36% got into electric. The 
rest was discharged into the surrounds as waste energy. This 
annoyingly large amount is mostly due to the Carnot limit between the 
temperature of steam leaving the boiler and condensed steam returning 
to the boiler. We then inquired for the mass equivalent of the 
electric, finding it to be barely one kilogram. It took a few seconds 
for the fact to absorb, but if there was some device that turns mass 
completely into energy, one kilo could yield all the electric produced 
by immense quantities of oil, gas, and uranium. and almost all, but 
for a kilo, were hauled or exhausted away as sludge, smoke, soot. We 
compared Con Edison's efficiency of energy with that from a typical 
nuclear power plant. We studied the uranium fission process and 
figured that it yielded a seemingly small amount of energy. Scaling 
the amount from a single uranium nucleus to a full kilo, the fission 
energy is an incredible TWO MILLION times more than from combustion of 
coal. We then looked at the main example studied by home astronomers, 
the hydrogen-helium process of the Sun. We reviewed the interaction of 
protons and helium nuclei and some alternative names for subatomic 
particles. The energy from a single H->he is small but in aggregate it 
delivers the observed total energy output of the Sun. The ratio of 
total solar output to single reaction output yields a mass loss of 
some 4 million tons peer second. We noted that this was until this 
year an undetectable amount based on the astrometry of planet orbits. 
In spring 2018 analysis of astrometry of Mercury from the MESSENGER 
probe showed that Mercury's orbit is enlarging from the Sun's 
declining gravity, answering to losing mass of 4 million tons per 
second.. We followed up with figuring out the lifetime of the Sun by 
dividing the total hydrogen mass loss by the loss per second, finding 
a life of some 8.2 billion years. The caution is that this method 
works only for Main Sequence stars, not any star away from the MS, 
because it is based on the H->He energy process.. We wrapped up by 
estimating the lifetime of other MS stars by proportion from the Sun. 
Sirius has twice the total mass loss as the Sun and 25 times faster 
mass loss. its lifetime is about 650 million years. The rest of the 
meeting was spent studying pictures of electric power plant equipment, 
such as Con Edison power plants, coal and nuclear boilers, hyperbolic 
towers, turbines, transmission lines, subsations. Some of us never 
knew that the walled-in lot they pass by is a Con Edison substation. 
Takeaways were diagrams of heat cycles, Carnot limit, uranium fission 
chain reaction, proton-proton solar energy CYcle, power plant water-
steam flow, historical Con Edison stations, assorted interior views of 
facilities. 
    NYC Transit cautions that for balanced running some N and M trains 
are sent uptown into 2nd Av line. N normally works Astoria line; M, 
Queens Bv. Be sure of train route before boarding. 
    On 2018 Nov 15 Lund University reported on a missing piece of the 
Antikythera Machine. Undersea archaeologists exploring the original 
ship wreck off of Antikythera island in 2017 found a 6-7 cm diameter 
bronze disc that could be part of the machine. it has cogs, four 
pointer arms, and an engraved picture of Taurus. It seems to fit into 
a broken section of the mechanism. 
    Amazon Inc on 13 november 2018 announced it will build its East 
Coast HQ in both Long island City QN and Crystal City VA. The LIC site 
is near Queensbridge houses and Ravenswood power plant, with four 
subway stations, ferry station, and LIRR. Amazon also takes space in 
Citicorp Annex, moving a thousand employees into it during 2019. Most 
of site is occupied by city agencies, wo will relocate else where. 
Amazon will build new 800,000m2 campus by 2023. 


Sky news
 ------
    The first round of Globe at Night was mixed with many cloudy 
nights and a few clear ones. The next round is November 29 thru 
December 8. The essential failure of many readers to obtain good 
readings is the lack of night vision. You MUST get some night vision 
before inspecting Orion. Stay in a shaded spot or dark room for a 
couple minutes and then do the sky assessment. Else you'll record 
abysmal values. As at 27 Nov 2018 there were no sightings of Milky Way 
from within the City. Even the clear nights were too hazy for MW, but 
allowed for other good observing. Season ends November 30th, next 
spring's season opens on May 1st. 
    Geminid meteors fall in mid December during pass of comet Wirtamen 
and, uh, large Moon. In this century the Geminids generally grew to 
equal the activity of the Perseids. Geminids, altho occurring in 
winter, are observable from late night rather than only from owl 
hours. 
    First major snowfall of 2018-19 fell in NYSkies on 2018 November 
14. On Manhattan granular snow began ~13h EST, then fully formed 
flakes by 15h. Cover reached 13-15cm in Central Pk by sunset. Rain 
mixed with snow at nightfall, becoming all rain in late night. N & W 
NYSkies sectors got 20-25cm cover; LI, 5-8cm. 
    22018 November 22 was City's 2nd coldest Thanksgiving Day at -6C 
under sunny windy sky. Parade balloons were held close to ground to 
avoid buffeting by wind. Day tied previous coldest Thanksgiving in 
1901, also at -6C, The 2018 day had City's coldest PARADE because the 
parades didn't begin until 1924. 
    With the longer nights of winter and earlier nightfall, do keep an 
eye for aurorae. While solar activity is low and City is far from 
magnetic pole, we do get northern lights. For background see 

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

    Intl Earth Rotation Svc reminds that there is NO loeapsecond added 
at end of December 2018. The final minute of year has normal 60 
seconds. The offset (UTC - RAI) remains -37 seconds until further 
notice.