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Best 110 Double Stars

Version 1.0, dated Thu 01-04-1990
By A. J. Crayon and Steve Coe

 

Abbreviations used in the NAME column: STF = F.G.W. Struve h = John Herschel HN = Herschel Number
Abbreviations in the CON column are the IAU versions of the constellations
Separations are in arc seconds and the Positions Angles (PA) are in degrees clockwise from north
Colors in NOTES are abbreviated as follows: B=blue W=white Y=yellow G=green P=purple O=orange

 

Name
Con
RA_2000
Declination
Mag
Sep
PA
Notes
GAMMA AND 02 03.9 +42.3 2.5/5 10 63 Y/B
STF3050 AND 23 59.5 +33.8 6/6 1 277 NICE MATCHED, HI-X
ZETA ANT 09 30.7 -31.9 6/6.5 8 212 W/W
STF2838 AQR 21 54.6 -03.4 6/9 18 184 IN BEAUTIFUL STREAM OF STARS
ZETA AQR 22 28.8 +00.0 4.5/4.5 2 249 W/W
1 ARI 01 50.2 +22.2 6/7.5 3 166 Y/B
GAMMA ARI 01 53.5 +19.3 4.5/4.5 8 0 W/W MATCHED
EPSILON ARI 02 59.3 +21.3 6/6 1 203 JUST SPLIT AT 300X
STF644 AUR 05 10.3 +37.3 6.5/7 2 221 COLOR CONTRAST
ZETA BOO 14 41.2 +13.8 4.5/5 1 307 JUST SPLIT AT 300X
EPSILON BOO 14 45.0 +27.1 2.5/5 3 338 Y/BG
XI BOO 14 51.4 +19.1 5/7 7 347 Y/RP
BETA CAM 05 03.5 +60.5 5/9 81 208 Y/B IN DARK NEB
STF485 CAM 04 07.9 +62.3 7.0/7.1 18 304 Y/B/B IN OPEN CL. NGC 1502
ZETA CNC 08 12.2 +17.6 5.5/6/5.5 1/6 337/83 Y/O/W DIFFICULT TRIPLE
PHI CNC 08 26.8 +26.9 5.5/6 5 217 W/W MATCHED
IOTA CNC 08 46.7 +28.8 4.5/6.5 31 307 O/B COLOR CONTRAST
2 CVN 12 16.1 +40.6 5.5/8 11 260 R/B
ALPHA CVN 12 56.1 +38.3 3/5.5 20 228 YW/YW COR COROLI
ALPHA CMA 06 45.2 -16.7 -1/8 7 72 SIRIUS, CLOSING UNTIL 1994
h 3945 CMA 07 16.6 -23.3 5/7 27 55 A FAVORITE
TAU CMA 07 18.7 -25.0 4.5/10 8 79 IN CLUSTER 2362
ALPHA CAP 20 18.1 -12.5 4/9//3/11 45/7 221/172 Y/Y/Y/Y
ALPHA CAS 00 40.4 +56.6 2.5/9/13 64/38 280/105 R/B
ETA CAS 00 49.0 +57.9 3.5/7.5 11 297 Y/P
STF163 CAS 01 51.2 +64.8 6.5/8.5 35 35 Y/B
IOTA CAS 02 29.1 +67.4 4/7/8 2/7 241/114 Y/BW/BW
SIGMA CAS 23 58.9 +55.8 5.5/7.5 3 326 B/G GLORIOUS FIELD
K CEN 13 51.8 -32.9 4.5/6 8 108 W/LG
BETA CEP 21 28.6 +70.5 3.5/8 14 250 W/B
STF2816 CEP 21 39.0 +57.5 6/8/8 12/20 121/339 TRIPLE IN IC 1396
XI CEP 22 03.6 +64.6 4.5/6.5 8 278 B/B
DELTA CEP 22 29.2 +58.5 4/6.5 41 192 O/B
66 CET 02 12.7 -02.4 6/7.5 16 232 Y/B
GAMMA CET 02 43.3 +03.2 3.5/6 3 295 Y/B
24 COM 12 35.1 +18.4 5/6.5 20 271 O/B NICE
GAMMA CRA 19 06.4 -37.1 4.8/5 2 54 W/W NEEDS 300X
SIGMA CRB 16 14.7 +33.9 5/6/10.5 6/71 229/85 Y/W/B CLOSE PAIR NEEDS 200X
DELTA CRV 12 29.9 -16.5 3/8.5 24 214 Y/RP
STF1669 CRV 12 41.3 -13.0 6/6 5 309 W/W MATCHED AT 165X
STF2486 CYG 19 12.1 +49.9 6.6/8.8 8 210 IN BEAUTIFUL FIELD!
BETA CYG 19 30.7 +28.0 3/5.5 34 54 Y/B ALBERIO
h1470 CYG 20 03.6 +38.3 7/9 29 337 Y/G COLORI SUPERBI!!
STF2658 CYG 20 13.5 +53.2 7/9/10/13 6/49/34 113/208/313 Y/W/B/O
OMICRON CYG 20 13.6 +46.8 4/7 107 173 Y/B WIDE
61 CYG 21 06.3 +38.7 5.5/6 28 144 YO/YO FAMOUS
MU CYG 21 44.1 +28.7 4.5/6 2 289 W/LY TOUGH SPLIT AT 200X
GAMMA DEL 20 46.7 +16.2 4.5/5 10 268 Y/G
16/17 DRA 16 36.2 +52.9 5/5.5/6 90/3 194/109 W/Y/W CLOSE PAIR NEEDS 300X
MU DRA 17 05.3 +54.4 5.5/5.5 2 66 W/W
NU DRA 17 32.2 +55.2 5/5 62 312 W/W EASY
2 EQU 21 02.3 +07.2 7/7 3 218 NEAT
DELTA EQU 21 14.5 +10.0 5.2/9.4 48 14 3 FAINT STARS FOLLOWING
THETA ERI 02 58.3 -40.3 3.5/4.5 8 88 W/W BRILLIANT
F ERI 03 48.5 -37.6 5/5.5 8 212 W/W
32 ERI 03 54.3 -03.0 5/6 7 347 Y/GB VIVID
OMICRON ERI 04 15.4 -07.6 4.5/9.5 83 105 B/W/P AT 165X FASCINATING
OMEGA FOR 02 33.8 -28.3 5/8 11 244 W/B
ALPHA GEM 07 34.6 +31.9 2.5/3.5/9 2/73 140/164 BW/BW CASTOR
ALPHA HER 17 14.7 +14.4 3/5.5 5 110 O/BG
DELTA HER 17 15.1 +24.8 3/8.5 9 241 GW/P
95 HER 18 01.5 +21.6 5/5 6 258 G/R NICE
N HYA 11 32.3 -29.3 6/6 9 210 LY/LY MATCHED
8 LAC 22 35.8 +39.7 6/6.5/10.5/9.5 22/48/81 186/169/145 W/W/W/LR SPLIT AT 100X
ALPHA LEO 10 08.4 +12.0 1.5/8 177 307 REGULUS
GAMMA LEO 10 19.9 +19.8 2.5/3.5 4 123 Y/G
88 LEO 11 31.8 +14.4 6.5/8.5 15 326 Y/B
90 LEO 11 34.7 +16.8 6/7.5/9 3/63 209/235 W/B
h3752 LEP 05 21.9 -24.8 5.5/6.5/9 3/59 97/106 W/W/LY NICE TRIPLE AT 165X
GAMMA LEP 05 44.5 -22.5 3.5/6 95 351 Y/R
ALPHA LIB 14 50.9 -16.0 3/5 231 314 W/LY SPLIT IN FINDER
12 LYN 06 46.2 +59.4 5.5/6/7.5 2/9 101/308 TRIPLE-FINE
38 LYN 09 18.9 +36.8 4/6.5 3 228 G/B
ALPHA LYR 18 36.9 +38.7 0/10 63 173 VEGA DISTANT COMPANION
EPSILON LYR 18 44.4 +39.7 5.5/6.5//5/5.5 208//3/2 173//359/98 FAMOUS DOUBLE-DOUBLE
BETA LYR 18 50.0 +33.4 3.5/7 47 149 W/LG
BETA-11 MON 06 28.8 -07.0 5/5.5/6 7/3 132/105 TRIPLE ALL YELLOW-WHITE
36 OPH 17 15.4 -26.6 5.5/5.5 4 163 Y/R
70 OPH 18 05.4 +02.5 4/6 3 72 Y/RO COLOR CONTRAST
BETA ORI 05 14.5 -08.2 0/7 9 202 B/W RIGEL DISTANT COMPANION
ETA ORI 05 24.5 -02.4 4/5 2 77 W/W D
IOTA ORI 05 35.4 -05.9 3/7 11 141 W/B/LR IN NGC 1980
SIGMA ORI 05 38.7 -02.6 4/7.5/10/6.5 13/11/42 84/236/61 STRIKING
ZETA ORI 05 40.7 -02.0 2/5.5 3 164 LB/O SPLIT AT 200X
STF817 ORI 05 54.9 +07.0 8/8 18 73 NEAR BETELGEUSE
EPSILON PEG 21 44.2 +09.9 2.5/8.5/11 143/82 321/325 W/LY/LY PENDULUM EFFECT
ETA PER 02 50.7 +55.9 4/8.5 29 301 Y/B
55 PSC 00 39.9 +21.5 5.5/8 7 193 Y/B
ZETA PSC 01 13.7 +07.6 4.5/5.5 24 63 W/LB
ALPHA PSC 02 02.0 +02.7 4/5 2 292 BW/BW
KAPPA PUP 07 38.7 -26.8 4.5/4.5 10 318 W/W MARKEB, MATCHED
2 PUP 07 45.5 -14.7 6/7 17 340 W/LY
XI SCO 16 04.4 -11.3 5/5.5/7 1/7 358/53 W/W
BETA SCO 16 05.4 -19.8 2.5/5 14 23 B/W
NU SCO 16 12.0 -19.5 4/6.5/6.5 1/41 2/336 Y/O
ALPHA SCO 16 29.5 -26.4 1/6.5 3 275 R/G ANTARES, DIFFICULT
KAPPA SCL 00 09.3 -28.0 6/6 1 265 Y/Y TOUGH SPLIT AT 200X
BETA SER 15 48.5 +15.2 3.5/9 31 265 W/W
STF1985 SER 18 55.9 -02.2 7/8 6 347 W/LR SPLIT AT 165X
THETA SER 18 56.3 +04.2 4.5/5 22 103 YW/YW
35 SEX 10 43.3 +04.7 6.5/7.5 6 236 Y/Y
HN84 SGE 19 39.5 +16.5 6/5/8.5 28 301 O/B NICE MW FIELD
h5003 SGR 17 59.1 -30.3 5/7 6 106 R/R
h5082 SGR 19 03.2 -19.3 6.0/9.5/10.7 8/20 88/113 ELEGANT TRIPLE
IOTA TRI 02 12.4 +30.3 5/6.5 4 72 Y/B COLOR CONTRAST
23 UMA 09 31.5 +63.1 4/9 23 271 W/LB
ZETA UMA 13 23.9 +54.9 2.5/4 14 151 W/W MIZAR; ALCOR 12’DIST
ALPHA UMI 02 30.1 +89.2 2/9 18 218 Y/BW
GAMMA VIR 12 41.7 -01.5 3.5/3.5 5 306 YW/YW MATCHED, PORRIMA
THETA VIR 13 10.1 -05.6 4.5/9 7 343 Y/R