Globular Cluster Club Observation Log
Astronomical League Clubs
The purpose of the Astronomical League's Globular Cluster Observing Club is to observe 50 globular clusters and determine the Shapley-Sawyer Concentration class for each globular cluster. This duplicates the work of William Herschel in the late 18th century.
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| Astronomical League Globular Cluster Club certificate #44. |
Observation List Objects
| ID | Type | RA | DE | Con | Mag | Size | Last Seen |
|---|---|---|---|---|---|---|---|
| NGC 104 | GC | 00h24m05s | -72°04'51" | Tuc | 4.0 | 50' | --- |
| NGC 121 | GC | 00h26m47s | -71°32'12" | Tuc | 10.6 | 1.5' | --- |
| NGC 288 | GC | 00h52m45s | +26°34'43" | Scl | 8.1 | 14' | Dec 1, 2002 |
| NGC 362 | GC | 01h03m14s | -70°50'54" | Tuc | 6.8 | 12'.9 | --- |
| NGC 1049 | GC | 02h39m48s | -34°15'30" | For | 12.6 | 0.8' | --- |
| NGC 1261 | GC | 03h12m15s | -55°13'01" | Hor | 8.3 | 6'.9 | --- |
| NGC 1851 | GC | 05h14m06s | -40°02'50" | Col | 7.1 | 11' | --- |
| M 79 | GC | 05h24m11s | -24°31'27" | Lep | 7.8 | 8'.7 | Apr 10, 2005 |
| NGC 2298 | GC | 06h48m59s | -36°00'19" | Pup | 9.2 | 6'.8 | Apr 10, 2005 |
| NGC 2419 | GC | 07h38m08s | +38°52'53" | Lyn | 10.3 | 4'.1 | Apr 10, 2005 |
| NGC 3201 | GC | 10h17m37s | -46°24'40" | Vel | 6.9 | 18' | Apr 10, 2005 |
| NGC 4147 | GC | 12h10m06s | +18°32'32" | Com | 10.2 | 4' | Apr 10, 2005 |
| NGC 4372 | GC | 12h25m45s | -72°39'33" | Mus | 7.2 | 18'.6 | --- |
| M 68 | GC | 12h39m28s | -26°44'34" | Hya | 7.3 | 12' | May 29, 2008 |
| NGC 4833 | GC | 12h59m35s | -70°52'28" | Mus | 8.4 | 13.5 | --- |
| M 53 | GC | 13h12m54s | +18°10'00" | Com | 8.5 | 12.6' | May 3, 2008 |
| NGC 5053 | GC | 13h16m27s | +17°41'52" | Com | 9.9 | 11' | --- |
| NGC 5139 | GC | 13h26m46s | -47°28'37" | Cen | 3.9 | 36' | May 12, 2007 |
| M 3 | GC | 13h42m11s | +28°22'31" | CVn | 6.3 | 18' | May 3, 2008 |
| NGC 5286 | GC | 13h46m26s | -51°22'24" | Cen | 7.4 | 9'.1 | Apr 26, 2003 |
| NGC 5466 | GC | 14h05m27s | +28°32'04" | Boo | 9.0 | 11' | Apr 10, 2005 |
| NGC 5634 | GC | 14h29m37s | -05°58'36" | Vir | 9.4 | 4'.9 | Apr 10, 2005 |
| NGC 5694 | GC | 14h39m36s | -26°32'18" | Hya | 10.2 | 3'.6 | Apr 10, 2005 |
| NGC 5824 | GC | 15h03m59s | -33°04'04" | Lup | 7.8 | 6'.2 | Apr 10, 2005 |
| Palomar 5 | GC | 15h16m05s | -00°06'41" | Ser | 11.8 | 6.9 | --- |
| NGC 5897 | GC | 15h17m24s | -21°00'37" | Lib | 8.6 | 13' | Apr 10, 2005 |
| M 5 | GC | 15h18m34s | +02°04'58" | Ser | 5.7 | 23' | May 3, 2008 |
| NGC 5927 | GC | 15h28m00s | -50°40'23" | Lup | 8.3 | 12' | --- |
| NGC 5946 | GC | 15h35m28s | -50°39'33" | Nor | 8.4 | 3' | --- |
| NGC 5986 | GC | 15h46m03s | -37°47'10" | Lup | 7.5 | 9'.8 | Apr 10, 2005 |
| M 80 | GC | 16h17m03s | -22°58'30" | Sco | 7.9 | 8.9' | Aug 2, 2008 |
| M 4 | GC | 16h23m36s | -26°31'32" | Sco | 5.8 | 26' | Aug 1, 2008 |
| NGC 6101 | GC | 16h25m48s | -72°12'06" | Aps | 9.2 | 10'.7 | --- |
| NGC 6144 | GC | 16h27m14s | -26°01'29" | Sco | 9.0 | 9'.3 | Apr 26, 2003 |
| NGC 6139 | GC | 16h27m40s | -38°50'56" | Sco | 8.9 | 5.5 | --- |
| M 107 | GC | 16h32m32s | -13°03'13" | Oph | 8.9 | 10' | Aug 2, 2008 |
| M 13 | GC | 16h41m42s | +36°27'36" | Her | 5.7 | 17' | Aug 22, 2009 |
| NGC 6229 | GC | 16h46m59s | +47°31'40" | Her | 9.4 | 4'.5 | Oct 8, 2005 |
| M 12 | GC | 16h47m15s | -01°56'52" | Oph | 6.8 | 15' | Aug 1, 2008 |
| NGC 6235 | GC | 16h53m25s | -22°10'38" | Oph | 10.0 | 5'.0 | Apr 26, 2003 |
| M 10 | GC | 16h57m09s | -04°05'58" | Oph | 6.6 | 15' | Aug 1, 2008 |
| NGC 6256 | GC | 16h59m33s | -37°07'17" | Sco | 11.3 | 6'.6 | --- |
| M 62 | GC | 17h01m12s | -30°07'00" | Oph | 7.4 | 11' | Aug 21, 2009 |
| M 19 | GC | 17h02m38s | -26°16'05" | Oph | 6.7 | 14' | Aug 21, 2009 |
| NGC 6284 | GC | 17h04m29s | -24°45'53" | Oph | 8.8 | 5'.6 | Oct 8, 2005 |
| NGC 6287 | GC | 17h05m09s | -22°42'29" | Oph | 9.3 | 5'.1 | Oct 8, 2005 |
| NGC 6293 | GC | 17h10m10s | -26°34'57" | Oph | 8.2 | 7'.9 | Jul 2, 2008 |
| NGC 6304 | GC | 17h14m32s | -29°27'44" | Oph | 8.4 | 6'.8 | Jul 2, 2008 |
| NGC 6316 | GC | 17h16m37s | -28°08'24" | Oph | 8.8 | 4'.9 | Oct 8, 2005 |
| M 92 | GC | 17h17m06s | +43°08'00" | Her | 6.3 | 14' | Aug 1, 2008 |
| NGC 6325 | GC | 17h17m59s | -23°45'57" | Oph | 10.6 | 4'.3 | --- |
| M 9 | GC | 17h19m12s | -18°30'59" | Oph | 7.6 | 9.3 | Aug 21, 2009 |
| NGC 6342 | GC | 17h21m10s | -19°35'14" | Oph | 9.8 | 4'.4 | Apr 26, 2003 |
| NGC 6356 | GC | 17h23m36s | -17°49'00" | Oph | 8.9 | 7'.2 | Apr 10, 2005 |
| NGC 6355 | GC | 17h23m59s | -26°21'13" | Oph | 9.7 | 5'.0 | Apr 26, 2003 |
| NGC 6352 | GC | 17h25m29s | -48°25'22" | Ara | 7.8 | 7'.1 | --- |
| NGC 6366 | GC | 17h27m44s | -05°04'36" | Oph | 8.9 | 8'.3 | --- |
| NGC 6380 | GC | 17h34m28s | -39°04'11" | Sco | 11.1 | 3'.9 | --- |
| NGC 6388 | GC | 17h36m17s | -44°44'05" | Sco | 6.7 | 8'.7 | --- |
| M 14 | GC | 17h37m36s | -03°15'00" | Oph | 7.6 | 12' | Aug 2, 2008 |
| NGC 6401 | GC | 17h38m36s | -23°55'00" | Oph | 9.5 | 5'.6 | Apr 26, 2003 |
| NGC 6397 | GC | 17h40m41s | -53°40'25" | Ara | 5.3 | 25'.7 | --- |
| Palomar 6 | GC | 17h43m42s | -26°13'21" | Oph | 11.6 | 7'.2 | --- |
| NGC 6426 | GC | 17h44m54s | +03°00'00" | Oph | 11.1 | 3'.2 | Apr 26, 2003 |
| NGC 6440 | GC | 17h48m53s | -20°21'34" | Sgr | 9.3 | 5.4' | Oct 12, 2007 |
| NGC 6441 | GC | 17h50m12s | -37°03'00" | Sco | 7.2 | 7'.8 | Apr 10, 2005 |
| NGC 6453 | GC | 17h50m52s | -34°35'54" | Sco | 10.2 | 3'.5 | May 11, 2007 |
| NGC 6496 | GC | 17h59m04s | -44°15'59" | Sco | 8.5 | 6'.9 | --- |
| NGC 6517 | GC | 18h01m48s | -08°58'00" | Oph | 10.3 | 4'.3 | Jun 16, 2002 |
| NGC 6522 | GC | 18h03m36s | -30°02'00" | Sgr | 8.6 | 5'.6 | Oct 3, 2008 |
| NGC 6535 | GC | 18h03m51s | -00°17'49" | Ser | 10.5 | 3'.6 | Oct 13, 2007 |
| NGC 6539 | GC | 18h04m48s | -07°35'00" | Ser | 9.8 | 6'.9 | --- |
| NGC 6528 | GC | 18h04m48s | -30°03'00" | Sgr | 9.5 | 3'.7 | Oct 3, 2008 |
| NGC 6540 | GC | 18h06m08s | -27°45'55" | Sgr | 14.6 | 1'.5 | Apr 26, 2003 |
| NGC 6544 | GC | 18h07m18s | -25°00'00" | Sgr | 8.3 | 8'.9 | Oct 3, 2008 |
| NGC 6541 | GC | 18h08m02s | -43°42'57" | CrA | 6.3 | 13' | Jun 29, 2003 |
| NGC 6553 | GC | 18h09m18s | -25°54'28" | Sgr | 8.1 | 9'.2 | Oct 3, 2008 |
| NGC 6558 | GC | 18h10m18s | -31°46'00" | Sgr | 9.8 | 3'.7 | Aug 1, 2008 |
| NGC 6569 | GC | 18h13m36s | -31°50'00" | Sgr | 8.7 | 5'.8 | Jun 16, 2002 |
| NGC 6624 | GC | 18h23m42s | -30°22'00" | Sgr | 9.1 | 5'.9 | Aug 23, 2009 |
| M 28 | GC | 18h24m36s | -24°52'00" | Sgr | 7.7 | 11' | Aug 21, 2009 |
| NGC 6638 | GC | 18h30m54s | -25°30'00" | Sgr | 9.2 | 5' | Aug 23, 2009 |
| M 69 | GC | 18h31m23s | -32°20'53" | Sgr | 8.3 | 7'.1 | Aug 21, 2009 |
| NGC 6642 | GC | 18h31m54s | -23°29'00" | Sgr | 8.8 | 4'.5 | Aug 23, 2009 |
| NGC 6652 | GC | 18h35m48s | -32°59'00" | Sgr | 8.8 | 3'.5 | Aug 1, 2008 |
| M 22 | GC | 18h36m24s | -23°54'12" | Sgr | 5.1 | 24' | Aug 21, 2009 |
| Palomar 8 | GC | 18h41m30s | -19°49'33" | Sgr | 11.2 | 4'.7 | Sep 15, 2007 |
| M 70 | GC | 18h43m12s | -32°17'00" | Sgr | 9.1 | 7'.8 | Aug 21, 2009 |
| NGC 6712 | GC | 18h53m06s | -08°42'00" | Sct | 8.2 | 7'.2 | Aug 22, 2009 |
| M 54 | GC | 18h55m06s | -30°29'00" | Sgr | 8.4 | 9'.1 | Aug 21, 2009 |
| NGC 6717 | GC | 18h55m06s | -22°42'00" | Sgr | 9.2 | 3'.9 | Aug 23, 2009 |
| NGC 6723 | GC | 18h59m36s | -36°38'00" | Sgr | 7.0 | 11' | Oct 12, 2007 |
| NGC 6749 | GC | 19h05m12s | +01°54'00" | Aql | 12.4 | 6'.3 | Aug 3, 2008 |
| NGC 6752 | GC | 19h10m52s | -59°58'55" | Pav | 5.3 | 20'.4 | --- |
| NGC 6760 | GC | 19h11m12s | +01°01'50" | Aql | 9.1 | 6'.6 | Aug 11, 2007 |
| M 56 | GC | 19h16m36s | +30°11'00" | Lyr | 8.9 | 7'.1 | Aug 22, 2009 |
| M 55 | GC | 19h39m59s | -30°57'44" | Sgr | 7.4 | 19' | Aug 21, 2009 |
| Palomar 11 | GC | 19h45m14s | -08°00'26" | Aql | 9.8 | 3'.2 | Sep 26, 2008 |
| M 71 | GC | 19h53m42s | +18°47'00" | Sge | 6.1 | 7'.2 | Aug 3, 2009 |
| M 75 | GC | 20h06m06s | -21°55'00" | Sgr | 9.1 | 6' | Aug 21, 2009 |
| NGC 6934 | GC | 20h34m12s | +07°24'16" | Del | 8.9 | 7'.0 | Aug 15, 2009 |
| M 72 | GC | 20h53m30s | -12°32'38" | Aqr | 9.3 | 5'.9 | Aug 22, 2009 |
| NGC 7006 | GC | 21h01m29s | +16°11'16" | Del | 10.6 | 2'.8 | Oct 3, 2008 |
| M 15 | GC | 21h29m58s | +12°10'00" | Peg | 6.3 | 12' | Aug 15, 2009 |
| M 2 | GC | 21h33m27s | -00°49'24" | Aqr | 6.4 | 13' | Aug 15, 2009 |
| M 30 | GC | 21h40m24s | -23°11'00" | Cap | 7.0 | 11' | Aug 22, 2009 |
| NGC 7492 | GC | 23h08m24s | -15°37'00" | Aqr | 11.4 | 6'.2 | --- |
