Double Stars - Best Of

A detailed description of the project, the data sources, additional websites and how you can contribute visual observations and photographs of double stars to the project are summarized in our introduction.

Double Star Lists:
Double/Multiple Stars 51
Visual Observations 284
Sketches 70
Photographs 10
Observers 14
Werner E. Celnik, Berthold Fuchs, Sarah Gebauer, Christopher Hay, Gerd Kohler, Karsten Kopp, Winfried Kräling, Stefan Loibl, Mark McCarthy, René Merting, Uwe Pilz, Jörg S. Schlimmer, Frederik Wanink, Robert Zebahl
m1 m2 ρ θ Year Coordinates (J2000.0)
★★★ STTA254, WZ Cas AB 7m.4 8m.3 57.8" 89° 2018 Cas 00h01m15.85s / +60°21'19.00"
AC 7m.4 9m.6 155.4" 324° 2015
AD 7m.4 10m.3 181.4" 118° 2016
★★★ eta Cas, 24 Cas STF60 AB 3m.5 7m.4 13.4" 326° 2019 Cas 00h49m06.29s / +57°48'54.70"
STF60 AC 3m.5 11m.4 225.0" 260° 2000
STF60 AD 3m.5 12m.8 189.4" 354° 2011
STF60 AE 3m.5 10m.2 75.6" 126° 2015
STF60 AF 3m.5 11m.5 378.3" 276° 2000
STF60 AG 3m.5 9m.5 419.7" 259° 2012
STF60 AH 3m.5 8m.4 701.1" 355° 2012
SMR2 AI 3m.5 11m.6 90.3" 73° 2012
SMR2 AJ 3m.5 12m.3 237.1" 262° 2012
★★★ S398 AB 6m.3 8m.0 68.9" 100° 2018 Psc 01h28m22.92s / +07°57'40.90"
★★★ gamma And, 57 And, Alamak STF205 A-BC 2m.3 5m.0 9.6" 63° 2019 And 02h03m53.92s / +42°19'47.50"
STT38 BC 5m.3 6m.5 0.2" 96° 2010
BAR22 AD 2m.3 15m.0 27.9" 245° 1898
★★★ STF227, iota Tri, 6 Tri 5m.3 6m.7 3.7" 69° 2016 Tri 02h12m22.28s / +30°18'11.10"
★★★ STF231, 66 Cet AB 5m.7 7m.7 16.8" 235° 2019 Cet 02h12m47.54s / -02°23'37.10"
★★★ STF232 7m.8 7m.9 6.7" 69° 2019 Tri 02h14m42.16s / +30°23'41.20"
★★★ STF93, alpha UMi, 1 UMi, Polaris AB 2m.0 9m.1 18.4" 236° 2016 UMi 02h31m49.09s / +89°15'50.70"
AC 2m.0 13m.8 39.0" 103° 2016
AD 2m.0 14m.3 83.2" 194° 2016
★★★ STF412, 7 Tau AB 6m.6 6m.9 0.8" 351° 2019 Tau 03h34m26.62s / +24°27'52.10"
AB-C 5m.9 9m.9 22.4" 53° 2014
★★★ STF470, 32 Eri AB 4m.8 5m.9 6.9" 349° 2019 Eri 03h54m17.49s / -02°57'17.00"
★★★ STFA10, theta 2 Tau, 78 Tau AB 3m.4 3m.9 347.9" 339° 2016 Tau 04h28m39.74s / +15°52'15.20"
★★★ STF668, 19 Ori, beta Ori, Rigel A-BC 0m.3 6m.8 9.7" 202° 2017 Ori 05h14m32.27s / -08°12'05.90"
★★★ Winnecke 2, WNC2 A-BC 6m.9 7m.0 3.1" 159° 2019 Ori 05h23m51.32s / -00°51'59.80"
★★★ theta 1 Ori, Trapezium, 41 Ori AB 6m.5 7m.5 8.9" 32° 2019 Ori 05h35m15.82s / -05°23'14.30"
AC 6m.5 5m.1 12.9" 133° 2019
BD 7m.5 6m.4 19.4" 121° 2019
CD 5m.1 6m.4 13.4" 62° 2019
AE 6m.5 11m.1 4.6" 352° 2013
CF 5m.1 11m.5 4.7" 120° 2013
★★★ sigma Ori, 48 Ori BU1032 AB 4m.1 5m.3 0.3" 77° 2015 Ori 05h38m44.77s / -02°36'00.20"
STF762 AB-C 3m.8 8m.8 11.4" 239° 2019
STF762 AB-D 3m.8 6m.6 12.9" 84° 2019
STF762 AB-E 3m.8 6m.3 41.4" 62° 2019
STF762 DC 6m.6 8m.8 23.8" 252° 2019
STF762 EC 6m.3 8m.8 52.9" 242° 2019
STF762 ED 6m.3 6m.6 29.8" 233° 2019
STF3135 AB-F 3m.8 7m.9 208.0" 324° 2016
★★★ 59 Ori H5 100 AB 5m.9 10m.4 36.7" 206° 2015 Ori 05h58m24.44s / +01°50'13.60"
ARN37 AC 5m.9 6m.9 177.8" 293° 2015
★★★ beta Mon, 11 Mon STF919 AB 4m.6 5m.0 7.1" 133° 2019 Mon 06h28m49.07s / -07°01'59.00"
STF919 AC 4m.6 5m.4 9.9" 126° 2019
STF919 BC 5m.0 5m.3 3.0" 109° 2019
BU570 AD 4m.6 12m.1 26.5" 56° 2014
★★★ AGC1, 9 CMa, alpha CMa, Sirius AB -1m.5 8m.4 10.7" 75° 2016 CMa 06h45m08.92s / -16°42'58.00"
★★★ STF948, 12 Lyn AB 5m.4 6m.0 1.9" 64° 2019 Lyn 06h46m14.15s / +59°26'30.10"
AC 5m.4 7m.0 8.9" 309° 2019
★★★ ENG28 AB 7m.9 7m.7 171.9" 99° 2015 Gem 07h08m00.24s / +15°31'42.90"
★★★ STF1110, alpha Gem, 66 Gem, Castor AB 1m.9 3m.0 5.5" 53° 2019 Gem 07h34m35.86s / +31°53'17.80"
AC 1m.9 9m.8 69.8" 163° 2017
AD 1m.9 10m.1 179.8" 221° 2017
★★★ STTA89 6m.8 7m.7 76.6" 84° 2017 Gem 07h51m00.20s / +31°36'48.70"
★★★ zeta Cnc, 16 Cnc STF1196 AC 5m.3 5m.8 6.2" 62° 2020 Cnc 08h12m12.79s / +17°38'51.20"
STF1196 AB-C 4m.9 5m.8 6.0" 64° 2020
STF1196 AB 5m.3 6m.2 1.0" 2020
HUT1 Ca-Cb 6m.2 7m.1 0.3" 32° 2019
★★★ 11 Hya, epsilon Hya SP1 AB 3m.5 5m.0 0.2" 241° 2018 Hya 08h46m46.51s / +06°25'07.70"
STF1273 AB-C 3m.5 6m.7 2.9" 311° 2020
STF1273 AB-D 3m.5 12m.5 18.1" 201° 2017
STF1273 AB-E 3m.5 10m.8 340.5" 2015
STF1273 AB-F 3m.5 10m.4 406.5" 265° 2015
★★★ STF1552, 90 Leo AC 6m.3 9m.8 63.4" 235° 2018 Leo 11h34m42.50s / +16°47'48.90"
AB 6m.3 7m.3 3.1" 209° 2018
★★★ SHJ146 AB 7m.7 8m.7 49.5" 290° 2017 Vir 12h31m14.61s / +01°19'37.00"
★★★ STF1670, gamma Vir, 29 Vir, Porrima AB 3m.5 3m.5 3.0" 357° 2020 Vir 12h41m39.60s / -01°26'57.90"
★★★ STF1694 AB 5m.3 5m.7 21.8" 324° 2017 Cam 12h49m13.80s / +83°24'46.30"
★★★ S656 6m.9 7m.4 86.2" 209° 2018 Boo 13h50m23.51s / +21°16'35.80"
★★★ alpha Lib, Zubenelgenubi, Kiffa Australis, Lanx Australis SHJ186 AB 2m.7 5m.2 231.1" 314° 2012 Lib 14h50m52.78s / -16°02'29.80"
AOT53 AC 2m.7 12m.5 275.6" 291° 2000
★★★ mu Boo, 51 Boo, Alkalurops CHR181, mu 1 Boo Aa-Ab 4m.3 0.1" 188° 2012 Boo 15h24m29.54s / +37°22'37.10"
STFA28, mu 1 Boo AB 4m.3 7m.1 109.0" 172° 2018
STF1938, mu 2 Boo Ba-Bb 7m.1 7m.6 2.3" 2019
★★★ rho Oph, 5 Oph H2 19 AB 5m.1 5m.7 3.0" 334° 2017 Oph 16h25m35.03s / -23°26'47.00"
H2 19 AC 5m.1 7m.3 149.2" 2000
H2 19 AD 5m.1 6m.8 156.4" 252° 2000
KOU63 CF 5m.8 11m.7 4.8" 206° 2000
BU1115 DE 6m.8 8m.4 0.3" 196° 2018
★★★ 16/17 Dra STFA30, 16/17 Dra AC 5m.4 5m.5 90.2" 193° 2018 Dra 16h36m13.72s / +52°55'27.80"
STF2078, 17 Dra AB 5m.4 6m.4 3.3" 104° 2018
★★★ BU628 9m.5 9m.6 0.6" 262° 2016 Her 17h18m22.22s / +32°39'38.50"
★★★ COU994 9m.4 11m.2 0.5" 214° 2011 Her 17h19m44.04s / +37°02'37.30"
★★★ A2088 9m.9 10m.0 0.4" 2011 Her 17h20m32.37s / +47°38'51.50"
★★★ COU1594 10m.7 10m.6 0.5" 332° 2010 Her 17h33m59.60s / +44°28'45.60"
★★★ COU1596 9m.3 9m.3 0.2" 104° 2007 Her 17h42m14.40s / +44°22'59.10"
★★★ HU1288 8m.3 9m.4 0.4" 163° 2016 Her 17h47m09.16s / +15°02'13.80"
★★★ S694 6m.7 7m.3 79.3" 238° 2018 Oph 17h52m05.20s / +01°06'40.30"
★★★ BU641 7m.0 8m.7 0.8" 341° 2015 Her 18h21m48.44s / +21°30'27.90"
★★★ epsilon Lyr STFA37 AB-CD 4m.7 4m.6 209.5" 172° 2016 Lyr 18h44m20.34s / +39°40'12.40"
STFA37 AI 5m.2 10m.1 149.5" 137° 2015
STF2382, 4 Lyr, epsilon 1 Lyr AB 5m.2 6m.1 2.2" 345° 2019
STF2383, 5 Lyr, epsilon 2 Lyr CD 5m.2 5m.4 2.4" 74° 2019
★★★ beta Cyg, 6 Cyg, Albireo, STFA43 AB 3m.2 4m.7 35.2" 54° 2019 Cyg 19h30m43.29s / +27°57'34.90"
★★★ HN 84, V340 Sge 6m.4 9m.5 28.4" 301° 2013 Sge 19h39m25.33s / +16°34'16.00"
★★★ STFA50, 30/31 Cyg, omicron Cyg AD 3m.9 4m.8 336.7" 322° 2016 Cyg 20h13m37.90s / +46°44'28.80"
AC 3m.9 7m.0 108.6" 173° 2016
★★★ BLL49, U Cyg 8m.0 9m.0 65.4" 231° 2015 Cyg 20h19m41.66s / +47°54'19.90"
★★★ STF2742 7m.4 7m.6 2.9" 215° 2017 Equ 21h02m12.51s / +07°10'47.30"
★★★ STF2758, 61 Cyg AB 5m.2 6m.0 31.8" 153° 2019 Cyg 21h06m53.95s / +38°44'57.90"
★★★ STF2854 7m.8 7m.9 1.5" 84° 2017 Peg 22h04m22.52s / +13°38'53.40"
★★★ BVD142 & TDT3916 BVD142 AB 7m.8 10m.3 80.0" 165° 2018 And 23h10m29.28s / +41°19'18.70"
TDT3916 Ba-Bb 10m.7 11m.4 0.6" 89° 1991
★★★ STF3041 AB 8m.3 9m.1 61.1" 356° 2018 Peg 23h47m51.79s / +17°03'21.60"
A-BC 8m.3 8m.4 60.5" 358° 2017
AC 8m.3 9m.2 59.5" 358° 2018
BC 9m.2 9m.0 3.3" 356° 2017