Double Stars - Selection of Colored Double Stars

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 50
Visual Observations 442
Sketches 110
Photographs 37
Observers 18
Gabriele Borgonovo, Werner E. Celnik, Berthold Fuchs, Sarah Gebauer, Christopher Hay, Claus-Dieter Jahn, Gerd Kohler, Karsten Kopp, Winfried Kräling, Jens Leich, Stefan Loibl, Mark McCarthy, René Merting, Uwe Pilz, Jörg S. Schlimmer, Axel Tute, Frederik Wanink, Robert Zebahl
m1 m2 ρ θ Year Coordinates (J2000.0)
★★★ STTA254, WZ Cas AB 7m.4 8m.3 57.8" 89° 2019 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
BD 8m.3 10m.3 133.7" 130° 2015
★ STF3053 AB 6m.0 7m.2 15.2" 70° 2018 Cas 00h02m36.08s / +66°05'56.30"
AC 6m.0 11m.0 98.5" 291° 2012
pi And, 29 And MKT1 Aa-Ab 4m.9 5m.3 0.0" 102° 1992 And 00h36m52.84s / +33°43'09.70"
RBR3 Aa-Ac 4m.4 13m.1 0.2" 265° 2001
H5 17 AB 4m.4 7m.1 36.2" 174° 2020
H5 17 AC 4m.4 13m.0 55.2" 356° 2016
★★ eta Cas, 24 Cas STF60 Aa-Ab 3m.5 5.1" 134° 2015 Cas 00h49m06.29s / +57°48'54.70"
STF60 AB 3m.5 7m.4 13.5" 328° 2023
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 66.0" 126° 2023
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
STF60 BC 7m.4 11m.4 235.4" 259° 2016
STF60 BD 7m.4 12m.8 172.2" 1° 2000
STF60 BE 7m.4 10m.2 105.5" 126° 2020
STF60 BF 7m.4 11m.5 388.1" 275° 2016
STF60 BG 7m.4 9m.5 420.0" 256° 2016
STF60 BH 7m.4 8m.4 688.4" 355° 2020
STF60 FG 11m.5 9m.5 142.2" 188° 2015
37 Cet WSI70 Aa-Ab 5m.2 9m.7 0.2" 77° 2013 Cet 01h14m24.04s / -07°55'22.20"
STFA3 AB 5m.2 7m.8 49.0" 331° 2024
★★ STF174, 1 Ari 6m.3 7m.2 2.9" 164° 2018 Ari 01h50m08.60s / +22°16'29.50"
★★★ gamma And, 57 And, Alamak STF205 A-BC 2m.3 5m.0 9.5" 63° 2021 And 02h03m53.92s / +42°19'47.50"
BAR22 AD 2m.3 15m.0 27.9" 245° 1898
STT38 BC 5m.3 6m.5 0.3" 120° 2021
★★ iota Cas CHR6 Aa-Ab 4m.7 7m.9 0.6" 18° 2021 Cas 02h29m03.96s / +67°24'08.70"
STF262 AB 4m.7 6m.9 3.0" 231° 2022
STF262 AC 4m.6 9m.1 6.9" 117° 2022
STF262 AD 4m.6 8m.5 210.9" 60° 2016
STF262 BC 6m.9 9m.1 8.5" 99° 2015
CTU2 Ca-Cb 4m.5 6m.1 0.2" 101° 2018
STF262 CD 9m.1 8m.5 207.1" 58° 2015
★★★ alpha Umi, 1 UMi, Polaris WRH39 Aa-Ab 2m.3 4m.3 0.1" 293° 2023 UMi 02h31m49.09s / +89°15'50.70"
STF93 AB 2m.0 9m.1 18.4" 236° 2016
STF93 AC 2m.0 13m.8 39.0" 103° 2016
STF93 AD 2m.0 14m.3 83.2" 194° 2016
STF93 BC 8m.6 13m.8 53.1" 83° 2015
STF93 BD 8m.6 13m.9 69.3" 179° 2016
★★★ AG304, 15 Tri 5m.6 6m.8 142.4" 16° 2013 Tri 02h35m46.82s / +34°41'15.20"
★★ 30 Ari STFA5 AB 6m.5 7m.0 37.9" 275° 2019 Ari 02h37m00.52s / +24°38'50.00"
RAO8 BC 7m.0 11m.0 0.6" 282° 2018
★ eta Per, 15 Per, Miram STF307 AB 3m.8 8m.5 28.7" 301° 2018 Per 02h50m41.81s / +55°53'43.80"
STF307 AC 3m.8 11m.6 64.0" 269° 2014
SHJ34 AE 3m.8 9m.2 242.9" 297° 2012
WAL19 AF 3m.8 11m.4 57.7" 25° 2013
WRD1 CD 11m.6 12m.7 5.2" 116° 2015
FYM161 CG 11m.6 14m.0 15.8" 229° 2015
★★ STF434 AB 7m.8 8m.3 33.7" 83° 2019 Per 03h43m58.92s / +38°22'25.60"
AC 7m.8 13m.6 91.9" 350° 2015
★★★ STF470, 32 Eri AB 4m.8 5m.9 6.9" 349° 2021 Eri 03h54m17.49s / -02°57'17.00"
AC 4m.8 10m.5 164.7" 5° 2017
★★★ theta 2 Tau, theta Tau, theta 1/2 Tau, 77/78 Tau MKT13 Aa-Ab 3m.7 4m.9 0.0" 334° 1998 Tau 04h28m39.74s / +15°52'15.20"
STFA10 AB 3m.4 3m.9 336.9" 347° 2019
SMR87 AD 3m.4 15m.4 32.0" 32° 2023
SMR87 AE 3m.4 15m.2 92.0" 59° 2023
SMR87 AF 3m.4 15m.5 38.7" 238° 2023
MCA15 Ba-Bb 3m.8 7m.3 0.1" 351° 2023
BPMA7 BC 3m.8 12m.0 268.3" 75° 2015
STF654, rho Ori, 17 Ori AB 4m.6 8m.5 6.9" 64° 2023 Ori 05h13m17.48s / +02°51'40.50"
AC 4m.6 11m.4 182.2" 158° 2023
★ STF698 AB 6m.7 8m.3 31.4" 348° 2019 Aur 05h25m12.94s / +34°51'18.60"
★ delta Ori, 34 Ori, Mintaka HEI42 Aa-Ab 2m.4 3m.8 0.3" 128° 2022 Ori 05h32m00.40s / -00°17'56.70"
BU558 AB 2m.4 14m.2 33.4" 229° 2016
STFA14 AC 2m.4 6m.8 51.8" 0° 2023
★ iota Ori, 44 Ori, Nair Al Saif, Hatysa CHR250 Aa-Ab 3m.0 6m.3 0.2" 281° 2023 Ori 05h35m25.98s / -05°54'35.60"
STF752 AB 2m.8 7m.7 11.2" 141° 2023
STF752 AC 2m.8 9m.8 49.3" 104° 2023
STF752 BC 7m.7 9m.8 41.1" 94° 2015
★ gamma Lep, 13 Lep H6 40 AB 3m.6 6m.3 95.5" 349° 2019 Lep 05h44m27.79s / -22°26'54.20"
H5 50 BC 6m.3 11m.4 112.1" 8° 1999
★★ 20 Gem OCC559 Aa-Ab 8m.0 8m.0 0.1" 1978 Gem 06h32m18.52s / +17°47'03.40"
STF924 AB 6m.3 6m.9 19.9" 211° 2019
STF924 BC 6m.9 13m.0 47.8" 144° 2014
★★ 145 CMa, Winter Albireo HJ3945 AB 5m.0 5m.8 26.5" 50° 2020 CMa 07h16m36.84s / -23°18'56.10"
SHY508 BC 5m.8 6m.8 999.9" 166° 2016
JGP7 BD 5m.8 15m.0 999.9" 151° 2016
★★ STF1268, iota Cnc, 48 Cnc 4m.1 6m.0 30.6" 308° 2021 Cnc 08h46m41.82s / +28°45'35.60"
★★ gamma Leo, 41 Leo, Algieba STF1424 AB 2m.4 3m.6 4.7" 127° 2022 Leo 10h19m58.35s / +19°50'29.40"
STF1424 AC 2m.4 9m.6 341.2" 288° 2016
STF1424 AD 2m.4 10m.6 371.3" 302° 2016
STF1424 BC 3m.6 9m.6 327.4" 288° 1998
BAG32 Ca-Cb 9m.3 11m.3 0.2" 24° 2012
STF1424 CD 9m.6 10m.6 90.7" 6° 2016
FYM38 CE 9m.6 12m.9 148.6" 59° 2012
FYM38 CF 9m.6 14m.1 53.4" 238° 2012
★ STF1487, 54 Leo 4m.5 6m.3 6.9" 111° 2023 Leo 10h55m36.80s / +24°44'59.00"
STF1495 7m.2 8m.8 33.6" 36° 2024 UMa 10h59m49.47s / +58°54'23.30"
★★ tau Leo, 84 Leo STFA19 AB 5m.0 7m.5 89.2" 181° 2019 Leo 11h27m56.23s / +02°51'22.50"
STFA19 AD 5m.0 9m.5 761.5" 92° 2019
STFA19 BC 7m.5 14m.5 102.4" 234° 2019
STFA19 BD 7m.5 9m.5 767.5" 86° 2019
BUP9002 CE 14m.5 14m.2 9.2" 192° 2015
★ STF1603 AB 7m.8 8m.3 22.3" 85° 2023 UMa 12h08m07.07s / +55°27'50.70"
★★ AI Com, 17 Com STFA21 AB 5m.2 6m.6 146.4" 251° 2018 Com 12h28m54.72s / +25°54'46.40"
BU1080 AD 5m.2 11m.6 324.0" 270° 2015
SLE898 AE 5m.2 13m.6 447.4" 270° 2015
SLE898 AF 5m.2 13m.9 125.5" 145° 2015
BU1080 BC 6m.6 13m.7 1.4" 180° 2015
BU1080 BD 6m.6 11m.6 192.9" 284° 2015
★★ 24 Com CIA32 Aa-Ab 6m.6 6m.8 0.0" 147° 2021 Com 12h35m07.76s / +18°22'37.40"
STF1657 AB 5m.1 6m.3 20.1" 271° 2023
★★ STF1877, epsilon Boo, Izar AB 2m.6 4m.8 3.0" 347° 2023 Boo 14h44m59.14s / +27°04'29.90"
AC 2m.6 12m.6 174.1" 254° 2020
★ xi Boo, 37 Boo STF1888 AB 4m.8 7m.0 5.0" 292° 2023 Boo 14h51m23.38s / +19°06'01.70"
STF1888 AC 4m.8 13m.8 71.3" 340° 2015
STF1888 AD 4m.8 11m.7 160.8" 286° 2015
ARN11 AE 4m.8 8m.7 271.5" 98° 2015
ARN12 AF 4m.8 9m.2 335.4" 39° 2020
STF1888 BC 7m.0 13m.8 67.0" 343° 2016
STF1888 BE 7m.0 8m.7 273.1" 99° 2016
★★ 49 Boo, delta Boo STFA27 AB 3m.6 7m.9 104.7" 78° 2023 Boo 15h15m30.16s / +33°18'53.40"
SMR31 AC 3m.6 14m.3 92.7" 4° 2023
STF2010, kappa Her, 7 Her, Marsic AB 5m.1 6m.2 27.1" 14° 2023 Her 16h08m04.55s / +17°02'49.20"
AC 5m.1 13m.4 62.7" 212° 2016
★★ alpha Her, 64 Her, Ras Algethi CHR139 Aa-Ab 3m.5 0.2" 231° 1991 Her 17h14m38.86s / +14°23'24.90"
STF2140 AB 3m.5 5m.4 4.8" 102° 2023
AGC16 AC 3m.5 15m.5 16.6" 296° 2020
STF2140 AD 3m.5 11m.1 78.1" 39° 2023
★ STF2264, 95 Her 4m.8 5m.2 6.3" 257° 2023 Her 18h01m30.41s / +21°35'44.80"
70 Oph, P Oph STF2272 AB 4m.2 6m.2 6.8" 118° 2023 Oph 18h05m27.37s / +02°29'59.30"
STF2272 AC 4m.2 12m.1 93.1" 326° 2013
STF2272 AD 4m.2 14m.4 129.3" 315° 2009
TNN9 AE 4m.2 9.4" 231° 2004
TNN9 AF 4m.2 11.5" 196° 2004
STF2272 AR 4m.2 12m.9 164.8" 26° 2012
STF2272 AS 4m.2 12m.4 202.6" 10° 2009
STF2272 AT 4m.2 12m.2 128.4" 45° 2013
STF2272 AU 4m.2 13m.8 255.5" 337° 2009
STF2272 AV 4m.2 10m.8 144.5" 276° 2013
STF2272 AY 4m.2 14m.7 250.5" 357° 2009
STF2272 AZ 4m.2 16m.0 68.3" 163° 2000
STF2272 BC 6m.2 12m.1 81.2" 322° 2000
STF2272 BD 6m.2 14m.4 120.0" 311° 2000
STF2272 BR 6m.2 12m.9 154.3" 29° 2000
STF2272 BZ 6m.2 16m.0 70.2" 163° 2000
STF2272 VT 10m.8 12m.2 247.5" 72° 2015
STF2272 VW 10m.8 11m.8 180.6" 270° 2015
STF2272 VX 10m.8 13m.9 17.5" 253° 2015
★★ zeta 1 Lyr, zeta Lyr, zeta 1/2 Lyr, 6/7 Lyr BU968 AB 4m.3 15m.8 22.3" 50° 2012 Lyr 18h44m46.36s / +37°36'18.40"
BU968 AC 4m.3 13m.3 48.9" 270° 2012
STFA38 AD 4m.3 5m.6 43.9" 150° 2021
BU968 AE 4m.3 13m.5 62.5" 298° 2012
FYM42 AF 4m.3 13m.7 77.5" 330° 2012
★★ WDS18549+3358 STT525 AB 6m.1 9m.1 1.8" 130° 2015 Lyr 18h54m52.52s / +33°58'06.90"
SHJ282 AC 6m.1 7m.6 45.4" 349° 2018
SHJ282 AD 6m.1 11m.0 214.8" 295° 2015
SHJ282 CD 7m.6 11m.0 192.4" 283° 2015
★ SHJ286, 15 Aql 5m.5 7m.0 39.6" 211° 2019 Aql 19h04m57.67s / -04°01'53.10"
★★★ beta 1 Cyg, beta Cyg, 6 Cyg, Albireo BNU10 Aa-Ab 3m.4 5m.0 0.0" 160° 1995 Cyg 19h30m43.29s / +27°57'34.90"
MCA55 Aa-Ac 3m.4 5m.2 0.3" 43° 2023
STFA43 AB 3m.2 4m.7 34.5" 53° 2023
WAL114 AC 3m.2 11m.0 64.8" 339° 2023
CTT17 AD 3m.2 12m.2 107.1" 32° 2023
CTT18 AE 3m.2 11m.8 76.1" 205° 2023
SMR34 AF 3m.2 12m.0 59.1" 45° 2022
SMR34 AG 3m.2 12m.5 161.2" 44° 2023
SMR34 AH 3m.2 12m.5 53.9" 118° 2023
SMR34 AI 3m.2 12m.5 37.4" 132° 2023
SMR34 AJ 3m.2 10m.0 139.1" 209° 2023
SMR34 AK 3m.2 11m.5 142.0" 276° 2023
SMR34 AL 3m.2 11m.5 12.0" 269° 2012
RBR12 Ba-Bb 5m.1 9m.2
STF2594, 57 Aql AB 5m.7 6m.3 36.3" 171° 2019 Aql 19h54m37.65s / -08°13'38.30"
★★★ 30 Cyg & 31 Cyg, 30/31 Cyg, omicron Cyg WRH33 Aa-Ab 3m.9 0.0" 111° 1985 Cyg 20h13m37.90s / +46°44'28.80"
HJ1495 AB 3m.9 13m.4 36.2" 327° 2023
STFA50 AC 3m.9 7m.0 106.7" 173° 2023
STFA50 AD 3m.9 4m.8 336.7" 322° 2016
BU1483 AF 3m.9 13m.9 43.4" 168° 2023
BU1483 CG 7m.0 14m.2 37.5" 95° 2023
BU1483 CH 7m.0 12m.6 60.6" 62° 2014
BU1483 CI 7m.0 12m.3 60.2" 136° 2015
GUI30 DC 4m.8 7m.0 431.8" 150° 2003
ES26 DE 4m.8 13m.2 36.7" 249° 2023
SMR68 FJ 13m.9 15m.1 4.0" 218° 2021
SMR68 HK 11m.7 10m.9 9.0" 263° 2021
★★★ BLL49, U Cyg 8m.0 9m.0 65.4" 231° 2015 Cyg 20h19m41.66s / +47°54'19.90"
beta Cap, beta 1/2 Cap, 9 Cap, Dabih BLA7 Aa-Ab 3m.1 4m.9 0.0" 227° 2023 Cap 20h21m00.67s / -14°46'53.00"
STFA52 AB 3m.1 6m.1 205.2" 266° 2016
STFA52 AC 3m.1 8m.8 226.1" 133° 2012
HJ2948 AD 3m.1 13m.0 115.9" 292° 2000
BAR12 Ba-Bb 6m.2 9m.1 0.4" 51° 2023
STFA52 BC 6m.1 8m.8 396.5" 111° 2015
HJ2948 DE 13m.7 14m.4 3.9" 321° 2000
★★ gamma Del, 12 Del STF2727 AB 4m.4 5m.0 8.8" 266° 2022 Del 20h46m39.50s / +16°07'27.40"
FYM18 AD 4m.4 16m.2 109.4" 323° 2011
★ beta Cep, 8 Cep, Alfirk LAB6 Aa-Ab 3m.2 6m.6 0.2" 226° 2007 Cep 21h28m39.58s / +70°33'38.50"
STF2806 AB 3m.2 8m.6 13.5" 248° 2024
★★ WDS21543+1943 STF2841 A-BC 6m.5 8m.0 22.4" 110° 2018 Peg 21h54m17.44s / +19°43'05.30"
COU432 BC 8m.8 9m.0 0.0" 245° 2023
★★ STF2893 6m.2 7m.9 28.8" 346° 2024 Cep 22h12m52.76s / +73°18'25.90"
★★ delta Cep, 27 Cep BU702 AB 4m.2 13m.0 21.5" 282° 2015 Cep 22h29m10.25s / +58°24'54.70"
STFA58 AC 4m.2 6m.1 41.0" 191° 2018
DAL45 AD 4m.2 13m.9 109.0" 39° 2015
FOX9037 AF 4m.2 13m.9 37.3" 49° 2015
FYM115 AG 4m.2 13m.9 89.4" 287° 2015
FYM115 AH 4m.2 14m.9 27.4" 38° 2015
FYM115 AI 4m.2 15m.2 38.5" 110° 2015
FYM115 AJ 4m.2 15m.2 33.2" 287° 2015
DAL45 DE 13m.9 14m.0 1.7" 24° 2016