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The Astronomical League's
DOUBLE STAR CLUB
by John Wagoner
American Association of Amateur Astronomers
The List
All objects are listed in Right Ascension order so that you can view them as
they rise, and so that you can properly plan your observing sessions to make the
most use of your time. Information provided on each object includes:a check
box, object to be observed, Right Ascension, Declination, magnitudes of the
component stars, separation, and position angle from the primary star in the
double or multiple system. When listing the object to be observed, in order to
simplify things, I have given the proper constellation name rather than use the
traditional possessive form of the name.
I realize that 100 objects out of many thousands in the heavens are only a
small representation of what can be seen, and I have probably missed a few of
your favorite doubles. If so, let me know which objects you recommend, and if
there is enough interest, then just maybe we will have a second double star
club. Until then, good luck, clear skies, and good observing.
The Double Star List (Epoch 2000)
CHK OBJECT R.A. Dec. MAGS Separation PA
[ ] Eta Cassiopeia 00:49.1 +57 49 3.4,7.5 12" 307
[ ] 65 Pisces 00:49.9 +27 43 6.3,6.3 4.4" 297
[ ] Psi 1 Pisces 01:05.6 +21 28 5.6,5.8 30" 159
[ ] Zeta Pisces 01:13.7 +07 35 5.6,6.5 23" 63
[ ] Gamma Aries 01:53.5 +19 18 4.8,4.8 7.8" 0
[ ] Lambda Aries 01:57.9 +23 36 4.9,7.7 37" 46
[ ] Alpha Pisces 02:02.0 +02 46 4.2,5.1 1.7" 50
[ ] Gamma Andromeda 02:03.9 +42 20 2.3,5.5 9.8" 63
[ ] Iota Triangulum 02:12.4 +30 18 5.3,6.9 3.9" 71
[ ] Alpha Ursa Minor 02:31.8 +89 16 2.0,9.0 18.4" 218
[ ] Gamma Cetus 02:43.3 +03 14 3.5,7.3 2.8" 294
[ ] Eta Perseus 02:50.7 +55 54 3.8,8.5 28.3" 300
[ ] Struve 331 03:00.9 +52 21 5.3,6.7 12.1" 85
[ ] 32 Eridanus 03:54.3 -02 57 4.8,6.1 6.8" 347
[ ] Chi Taurus 04:22.6 +25 38 5.5,7.6 19.4" 24
[ ] 1 Camelopardalis 04:32.0 +53 55 5.7,6.8 10.3" 308
[ ] 55 Eridanus 04:43.6 -08 48 6.7,6.8 9.2" 317
[ ] Beta Orion 05:14.5 -08 12 0.1,6.8 9.5" 202
[ ] 118 Taurus 05:29.3 +25 09 5.8,6.6 4.8" 204
[ ] Delta Orion 05:32.0 -00 18 2.2,6.3 52.6" 359
[ ] Struve 747 05:35.0 -06 00 4.8,5.7 35.7" 223
[ ] Lamda Orion 05:35.1 +09 56 3.6,5.5 4.4" 43
[ ] Theta 1 Orion 05:35.3 -05 23 6.7,7.9,5.1,6.7 8.8",13",21.5" 31,132,96
[ ] Iota Orion 05:35.4 -05 55 2.8,6.9 11.3" 141
[ ] Theta 2 Orion 05:35.4 -05 25 5.2,6.5 52" 92
[ ] Sigma Orion 05:38.7 -02 36 4.0,7.5,6.5 12.9",43" 84,61
[ ] Zeta Orion 05:40.8 -01 57 1.9,4.0,9.9 2.4",58" 162,10
[ ] Gamma Lepus 05:44.5 -22 27 3.7,6.3 96" 350
[ ] Theta Auriga 05:59.7 +37 13 2.6,7.1 3.6" 313
[ ] Epsilon Monoceros 06:23.8 +04 36 4.5,6.5 13.4" 27
[ ] Beta Monoceros 06:28.8 -07 02 4.7,5.2 7.3" 132
[ ] 12 Lynx 06:46.2 +59 27 5.4,7.3 8.7" 308
[ ] Epsilon Canis Major 06:58.6 -28 58 1.5,7.4 7.5" 161
[ ] Delta Gemini 07:20.1 +21 59 3.5,8.2 6.8" 211
[ ] 19 Lynx 07:22.9 +55 17 5.6,6.5 14.8" 315
[ ] Alpha Gemini 07:34.6 +31 53 1.9,2.9 2.2" 171
[ ] Kappa Puppis 07:38.8 -26 48 4.5,4.7 9.9" 318
[ ] Zeta Cancer 08:12.2 +17 39 5.6,6.0 5.9" 89
[ ] Iota Cancer 08:46.7 +28 46 4.2,6.6 30" 307
[ ] 38 Lynx 09:18.8 +36 48 3.9,6.6 2.7" 229
[ ] Alpha Leo 10:08.4 +11 58 1.4,7.7 177" 307
[ ] Gamma Leo 10:20.0 +19 51 2.2,3.5 4.4" 122
[ ] 54 Leo 10:55.6 +24 45 4.5,6.3 6.5" 110
[ ] N Hydra 11:32.3 -29 16 5.8,5.9 9.2" 210
[ ] Delta Corvus 12:29.9 -16 31 3.0,9.2 24.2" 214
[ ] 24 Coma Berenices 12:35.1 +18 23 5.2,6.7 20.3" 271
[ ] Gamma Virgo 12:41.7 -01 27 3.5,3.5 3.6" 293
[ ] 32 Camelopardalis 12:49.2 +83 25 5.3,5.8 21.6" 326
[ ] Alpha Canes Venatici 12:56.0 +38 19 2.9,5.5 19.4" 229
[ ] Zeta Ursa Major 13:23.9 +54 56 2.3,4.0,4.0 14.4",709" 152,71
[ ] Kappa Bootes 14:13.5 +51 47 4.6,6.6 13.4" 236
[ ] Iota Bootes 14:16.2 +51 22 4.9,7.5 38" 33
[ ] Pi Bootes 14:40.7 +16 25 4.9,5.8 5.6" 108
[ ] Epsilon Bootes 14:45.0 +27 04 2.5,4.9 2.81' 339
[ ] Alpha Libra 14:50.9 -16 02 2.8,5.2 231" 314
[ ] Xi Bootes 14:51.4 +19 06 4.7,7.0 6.9" 332
[ ] Delta Bootes 15:15.5 +33 19 3.5,8.7 105" 79
[ ] Mu Bootes 15:24.5 +37 23 4.3,7.0 108" 171
[ ] Delta Serpens 15:34.8 +10 32 4.2,5.2 3.9" 178
[ ] Zeta Corona Borealis 15:39.4 +36 38 5.1,6.0 6.3" 305
[ ] Zi Scorpius 16:04.4 -11 22 4.8,7.3 7.6" 51
[ ] Struve 1999 16:04.4 -11 27 7.4,8.1 11.6" 99
[ ] Beta Scorpius 16:05.4 -19 48 2.6,4.9 13.6" 21
[ ] Kappa Hercules 16:08.1 +17 03 5.3,6.5 2.8" 12
[ ] Nu Scorpius 16:12.0 -19 28 4.3,6.4 4.1" 337
[ ] Sigma Corona Borealis 16:14.7 +33 52 5.6,6.6 6.2" 233
[ ] 16/17 Draco 16:36.2 +52 55 5.4,6.4,5.5 3.4,90 108,194
[ ] Mu Draco 17:05.3 +54 28 5.7,5.7 2.0" 42
[ ] Alpha Hercules 17:14.6 +14 23 3.5,5.4 4.7" 107
[ ] Delta Hercules 17:15.0 +24 50 3.1,8.2 8.9" 236
[ ] 36 Ophiuchus 17:15.3 -26 36 5.1,5.1 4.4" 154
[ ] Sigma Ophiuchus 17:18.0 -24 17 5.4,6.9 10.3" 355
[ ] Rho Hercules 17:23.7 +37 09 4.6,5.6 4.1" 316
[ ] Nu Draco 17:32.2 +55 11 4.9,4.9 62" 312
[ ] Psi Draco 17:41.9 +72 09 4.9,6.1 30.3" 15
[ ] 40/41 Draco 18:00.2 +80 00 5.7,6.1 19.3" 232
[ ] 95 Hercules 18:01.5 +21 36 5.0,5.1 6.3" 258
[ ] 70 Ophiuchus 18:05.5 +02 30 4.2,6.0 2.8" 72
[ ] Epsilon Lyra 18:44.3 +39 40 5.0,6.1,5.2,5.5 208",2.6",2.3" 357,173,94
[ ] Zeta Lyra 18:44.8 +37 36 4.3,5.9 44" 150
[ ] Beta Lyra 18:50.1 +33 22 3.4,8.6 46" 149
[ ] Struve 2404 18:50.8 +10 59 6.9,8.1 3.6" 183
[ ] Otto Struve 525 18:54.9 +33 58 6.0,7.7 45" 350
[ ] Theta Serpens 18:56.2 +04 12 4.5,5.4 22.3" 104
[ ] Beta Cygnus 19:30.7 +27 58 3.1,5.1 34.4" 54
[ ] 57 Aquila 19:54.6 -08 14 5.8,6.5 36" 170
[ ] 31 Cygnus 20:13.6 +46 44 3.8,6.7,4.8 107",337" 173,323
[ ] Alpha Capricornus 20:18.1 -12 33 3.6,4.2 378" 291
[ ] Beta Capricornus 20:21.0 -14 47 3.4,6.2 206" 267
[ ] Gamma Delphinus 20:46.7 +16 07 4.5,5.5 9.6" 268
[ ] 61 Cygnus 21:06.9 +38 45 5.2,6.0 28" 146
[ ] Beta Cepheus 21:28.7 +70 34 3.2,7.9 13.3 249
[ ] Struve 2816 21:39.0 +57 29 5.6,7.7,7.8 11.7",20" 121,339
[ ] Epsilon Pegasus 21:44.2 +09 52 2.4,8.4 142" 320
[ ] Xi Cepheus 22:03.8 +64 38 4.4,6.5 7.7" 277
[ ] Zeta Aquarius 22:28.8 -00 01 4.3,4.5 1.8" 266
[ ] Delta Cepheus 22:29.2 +58 25 3.9,6.3 41" 192
[ ] 8 Lacerta 22:35.9 +39 38 5.7,6.5 22.4" 186
[ ] 94 Aquarius 23:19.1 -13 28 5.3,7.3 12.7" 350
[ ] Sigma Cassiopeia 23:59.0 +55 45 5.0,7.1 3" 326
[ Home ] [ Binocular Messier ] [ Binocular Deep Sky ] [ Double Star Club ] [ Urban Club ] [ Lunar Club ] [ Universe Sampler ] [ Planetary Observers Club ] [ Asteroid Club ] [ Southern Skies Binocular Club ] [ New AL Observing Programs ] [ Arp Peculiar Galaxies ] [ AL Observing Program Contact Info ] [ Observing Forms and Sketch Log ]
You MUST be a member of the Astronomical League, either through membership in an affiliated
astronomical society or as a Member-at-Large, to receive certification for the
Double Star Club.
As a member of the AAAA, not only are you eligible to earn this observing award, but you will
also get your own subscription to the Astronomical League's newsletter, the REFLECTOR, as well as our own quarterly
newsletter, The American Astronomer.
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