Eagle Creek Observatory
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Double Stars in Canis Major
The Larger Dog
Here is a listing of the 64 or so best doubles in Canis Major.
The star name contains a link so you may click there to see more detailed information about this double star.
Some entries may return multiple stars, click on the one of interest and the information will be displayed.
If more than one entry is listed click on each of them to view the data. Use the Aladin Previewer to see a photograph of the star.
Click HERE for an ETX tour.

Name SAO Sep PA Mag1 Mag2 RA Dec Spect Color Comments
I 349   6.3 43 7.0 11.0 06:14.5 -29:35 A0    
BU 18 151303 1.5 284 7.5 9.0 06:16.7 -12:03 F2    
HJ 3845   35.5 19 6.0 10.0 06:17.0 -22:43 G0    
B 110   6.7 49 7.5 11.0 06:17.7 -24:26 F5    
STT 3116   4.2 23 6.0 10.0 06:21.4 -11:46 B2 *** Nice group containing contrasting colors
BU 568 151453 0.8 155 7.0 7.5 06:23.8 -19:46 B8    
STF 903   23.2 295 6.0 10.5 06:24.3 -12:57 B8    
S 518 151463 16.6 88 8.0 10.0 06:24.3 -16:13 B8    
A 3029   4.9 197 7.5 12.5 06:27.6 -15:17 B8    
BU 753 196861 1.3 45 9.0 7.5 06:28.7 -32:22 B3    
HJ 3863 171831 2.6 119 7.0 9.0 06:29.4 -22:35 A2    
HJ 3866   4.3 138 8.5 10.0 06:30.4 -24:08 F5    
HJ 3864   21.6 44 7.5 10.5 06:30.5 -14:57 B8    
GAL 242 151585 36.6 66 6.0 11.0 06:30.6 -13:08 B2    
HJ 2321   5.6 307 8.0 9.0 06:31.3 -20:37 F2    
HJ 3869 196918 24.9 258 5.5 7.5 06:32.7 -32:01 B3    
HJ 3871 171964 7.6 354 7.5 8.0 06:34.1 -29:37 A2    
I 479   1.1 49 8.5 9.0 06:34.1 -29:40 F8    
HO 234 151653 0.3 298 8.0 8.0 06:34.5 -11:13 F0    
NU CMA   17.5 262 6.5 8.0 06:36.4 -18:39 G0 *** yellow/orange pair
ADS 5260   9.1 336 7.0 10.0 06:36.7 -22:36 B8    
ADS 5266   4.1 131 9.0 9.0 06:37.2 -14:15 F8    
BU 19 151807 3.6 166 6.5 9.0 06:41.9 -15:59 B9    
BU 195 172196 5.8 215 7.0 11.0 06:42.5 -23:14 B5    
S 534 172204 18.2 143 6.5 8.0 06:42.9 -22:27 F0    
I 179 171963 4.5 222 6.5 10.0 06:45.0 -30:35 B8    
SIRIUS (ALPHA) 151881 10.8 72 -1.0 8.0 06:45.2 -16:42 A1    
HJ 3891 197176 4.9 223 6.0 8.5 06:45.5 -30:57 B3    
STN 15   2.5 142 9.0 9.0 06:46.2 -20:45 A0 *** In M41
STF 969   7.2 317 7.0 10.0 06:47.9 -11:06 B9    
STF 971 151946 1.2 325 8.0 8.0 06:48.4 -13:26 G0    
BU 20 151957 3.1 32 7.5 11.0 06:48.8 -16:12 K0 *** Red primary
B 120 172373 2.0 278 7.5 10.5 06:49.1 -26:03 K2 *** Red Primary
BU 234 172389 1.8 206 7.0 8.0 06:49.8 -24:04 A1    
SAO 197265 197265 42.9 66 5.5 7.5 06:50.4 -31:42 B8    
BU 325 172461 1.7 36 8.0 9.0 06:51.8 -26:34 B5    
STF 990 152077 3.3 275 8.5 9.5 06:54.4 -14:14 B9    
17 CMA 172569 44.4 147 6.0 9.0 06:55.1 -20:23 A2   Nice little group of 4 stars.
19 CMA 172579 11.6 18 5.5 9.5 06:55.7 -20:07 F2    
STN 16 172591 3.7 97 7.5 10.5 06:55.8 -25:30 F0    
MU CMA 152123 3.0 340 4.5 8.0 06:56.1 -14:02 G5    
S 541 172608 23.2 44 8.0 9.0 06:56.6 -22:39 K0 *** Red primary
I 432 172622 1.3 203 8.5 8.5 06:56.9 -28:42 G0    
HO 517 152151 2.9 319 7.0 13.0 06:57.0 -19:26 F5    
B 122 172644 1.0 264 5.5 7.5 06:57.6 -24:38 F0    
ADARA 172676 7.5 161 1.5 8.0 06:58.7 -28:58 B2    
HD 52140 197432 35.0 315 6.5 9.0 06:58.7 -31:00 B8    
B 708 172685 3.3 34 7.5 11.5 06:59.0 -26:28 B8    
BU 572   5.2 143 7.0 11.0 07:00.6 -20:38 A3 *** Secondary is very red
ADS 5699 172750 3.4 144 7.5 10.0 07:00.7 -25:38 B5    
STF 1011 152238 4.3 298 8.0 8.5 07:00.9 -15:19 A2 *** Very red primary
ADS 5736   8.7 87 7.0 12.0 07:02.8 -16:41 K0    
BU 328 152394 17.8 350 6.0 9.0 07:06.6 -11:17 B0    
HD 54515   3.7 249 8.5 9.0 07:08.6 -13:59 A2    
BU 329   32.5 100 6.5 11.5 07:09.6 -16:13 B1    
HJ 3934 17357 13.6 236 7.0 8.5 07:11.3 -21:48 B5    
HJ 3938 173246 19.7 250 7.0 9.5 07:13.8 -22:54 B3/A5 *** Blue White pair
COO 48   7.8 10 8.0 10.0 07:14.6 -31:29 B9    
BU 575 152609 15.6 2 8.0 10.0 07:14.8 -15:28 F8   Primary has a companion at 0.7" mag 8
HJ 3945 173353 26.6 55 5.0 7.0 07:16.6 -23:18 M0/F0 *** Red/White pair
BSO 2 197788 37.9 182 6.5 8.0 07:16.9 -30:53 A5    
TAU CMA 173446 8.2 90 4.5 10.0 07:18.7 -24:57 B9   Spectroscopic binary with third component at 14.2" PA 79 mag 11
HJ 3950 170466 3.9 346 8.0 8.0 07:19.3 -22:02 A2    
KUI 29 152837 2.7 310 6.5 11.0 07:24.8 -19:00 A2    

Image created using TheSky 4.0 Level IV
available from Bisque Software


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Some information gathered from Burgham's Celestial Handbooks and converted to J2000, other from my own observations.
Page 2003 Kevin Muenzler, Eagle Creek Observatory.