Eagle Creek Observatory
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Double Stars in Leo
The Lion
Here is a listing of the 77 or so best doubles in Leo.
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
A2477 98552 0.3 301 7.0 8.5 09:23.5 +18:08 G0    
KAPPA LEO 80807 2.1 59 5.0 10.5 09:24.7 +26:11 K2    
STF 1353 98581 3.2 309 8.5 9.0 09:27.7 +15:44 G5    
3 LEO 117718 25.2 80 6.0 10.5 09:28.5 +08:10 K0    
STF 1360 98614 14.2 242 7.5 8.0 09:30.5 +10:35 G5    
6 LEO 117751 37.4 75 6.0 9.0 09:32.0 +09:42 K3 *** Red/White pair
STF 1364   16.9 155 7.5 9.0 09:32.0 +20:02 F5   Third Component at40" mag 11
BU 909 80892 6.0 91 7.0 12.0 09:32.2 +21:51 K0    
HN 29 80900 30.5 260 6.0 10.0 09:33.3 +28:21 A2    
7 LEO 98662 41.2 80 6.5 8.5 09:35.9 +14:22 A1/F8    
STT 204   7.9 102 6.5 10.0 09:38.8 +10:46 A3    
14 LWO 98709 85.4 44 4.0 10.0 09:41.2 +09:53 A2/F6    
STF 1389 81060 2.3 297 8.0 9.0 09:52.5 +26:58 K0 *** Very red primary/orange pair
STF 1399 98859 30.8 175 6.5 7.5 09:57.1 +19:45 G0 *** Orange/Yellow
REGULUS (Alpha) 98967 177.0 307 1.5 8.0 10:08.4 +11:58 B7    
STF 1413 98998 2.1 275 9.0 9.0 10:12.3 +16:21 G0    
STF 1417 99023 2.3 259 8.0 8.0 10:15.1 +19:07 F2 ***  
STT 215 99032 1.1 184 7.0 7.0 10:16.3 +17:44 F2    
STF 1419   4.5 227 8.5 9.0 10:17.1 +10:06 A0    
39 LEO 81270 7.8 299 6.0 11.0 10:17.3 +23:06 F3    
STF 1421 81277 4.4 331 7.5 8.5 10:18.1 +27:31 F2    
STF 1423 81288 1.3 25 8.5 9.5 10:19.2 +20:33 K5   True binary
GAMMA LEO 81298 4.4 123 2.5 3.5 10:19.9 +19:50 K0/G7 ***  
STF 1426 118241 0.8 299 8.0 8.5 10:20.5 +06:25 F5    
STT 216 99091 1.0 288 7.0 10.5 10:22.7 +15:20 G2    
STF 1429 81332 0.6 205 8.5 8.5 10:25.1 +24:27 G5    
STF 1431 118292 3.8 70 8.0 9.5 10:25.6 +08:46 F0 ***  
STF 1434 99130 6.4 278 8.5 8.5 10:27.1 +18:03 G5    
STT 220 99153 0.8 85 7.0 9.0 10:29.2 +10:09 F8    
STF 1439 81385 1.3 91 8.0 8.5 10:30.1 +20:48 G5    
STF 1442 81399 13.3 155 7.0 7.5 10:31.9 +22:02 F0    
STF 1446 99184 5.6 252 8.5 9.5 10:33.6 +15:12 G0    
STF 1447 81415 4.3 125 7.0 9.0 10:33.7 +23:21 A2    
STF 1448   11.0 259 7.5 9.0 10:34.4 +21:38 K0    
49 LEO 118380 2.2 158 6.0 8.5 10:35.0 +08:39 A2    
STF 1451   8.3 269 8.5 9.5 10:35.4 +26:16 G5    
STT 225 118418 0.7 226 7.5 9.5 10:40.1 +19:14 F8   Third component sep 6.2 pa 354 mag 10
STT 227 99251 0.7 356 7.5 8.5 10:41.6 +10:44 A2    
STF 1468 81498 3.9 334 8.5 8.5 10:44.7 +20:42 G0    
STT 228 81520 0.7 176 7.0 8.0 10:47.3 +22:34 F0    
STF 1482   11.9 305 8.0 9.0 10:52.2 +07:28 G5    
A 2733 151941 1.2 9 8.0 9.5 10:52.6 +05:00 K0    
S 617 137864/
81584
35.2 178 6.0 10.0 10:53.5 -02:14 K0/G0 *** Nice color pair!
54 LEO 81583 6.5 110 4.5 6.5 10:55.6 +24:44 A1    
55 LEO 118574 0.8 76 6.0 8.5 10:55.7 +00:43 F2    
STF 1500 137933 1.7 305 7.5 9.0 11:00.1 +02:55 F8    
STF 1502 99408 13.1 282 8.5 9.5 11:02.0 +14:36 G0    
STF 1504 118638 1.2 296 7.5 7.5 11:04.0 +03:38 F0    
STF 1506   11.2 219 8.0 9.5 11:04.7 -04:13 G5/M0    
CHI LEO 118648 3.3 262 4.5 11.0 11:05.0 +07:20 F2    
STF 1507   8.1 165 8.0 10.0 11:06.1 +07:01 F8    
65 LEO 118668 2.3 102 5.5 11.0 11:07.0 +01:57 G7    
STF 1511 99453 7.7 286 8.5 8.5 11:07.2 +10:54 K0    
ADS 8098 118741 104.0 257 7.5 9.5 11:14.5 +05:15 K0    
STF 1521 81740 3.7 96 7.0 7.5 11:15.4 +27:34 A5    
STF 1527 99551 1.7 28 7.0 8.0 11:19.0 +14:16 G0    
STF 1529   9.4 253 7.0 8.0 11:19.4 -01:39 F8    
STF 1534   5.1 321 8.0 11.0 11:21.8 +18:11 G5 ***  
iota leo 99587 1.0 205 4.0 6.5 11:23.9 +10:31 F2    
STF 1537 81805 2.4 356 7.5 8.5 11:24.4 +20:37 G0    
STF 3070 138186 9.2 276 8.5 9.0 11:24.5 -04:23 G5    
83 LEO 118864 28.9 150 6.5 7.5 11:26.9 +03:00 K0/K5 *** Third component sep 90.3 pa 188 mag 10
TAU LEO 118875 91.1 176 5.5 7.0 11:28.0 +02:51 G8 ***  
STF 3072   9.7 330 7.5 10.0 11:30.8 -06:43 F8 ***  
88 LEO 99648 15.4 326 6.5 8.5 11:31.8 +14:22 F7/K6 *** color contrast
STF 1548 138253/
138254
10.9 128 7.5 9.0 11:32.2 -03:31 K0    
90 LEO 99673 3.4 209 6.0 7.5 11:34.7 +16:47 B3 ***  
STF 1555 81893 21.3 149 6.5 11.0 11:36.3 +27:46 A3   primary is a binary sep 0.3
STF 1558 81900 1.2 162 8.5 9.0 11:36.7 +21:28 G5   third component sep 43.9 pa 276 mag 8.5
STF 1564   5.2 87 8.0 9.0 11:39.6 +26:57 A2    
STF 1565 99718 21.6 305 7.0 8.0 11:39.6 +26:57 F5    
STF 1566 81940 2.7 348 8.5 10.0 11:40.6 +21:02 G5    
HU 888 81952 0.7 162 8.5 9.0 11:42.8 +21:05 F5    
STT 239   37.3 24 5.5 10.0 11:44.2 +25:13 K5 ***  
93 LEO 81998 74.3 355 4.5 8.5 11:48.0 +20:13 G5    
HJ 1201   14.9 189 6.5 11.0 11:51.0 +12:16 A3    
STF 1582   12.3 76 7.5 9.0 11:56.0 +21:59 F8    

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.