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:

Complete List (Index)

Sketches (Index)
Photographs (Index)

Orbits (Index)

Double/Multiple Stars	50
Visual Observations	317
Sketches	76
Photographs	11
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	7^m.4	8^m.3	57.8"	89°	2019	Cas	00^h01^m15.85^s / +60°21'19.00"
			AC	7^m.4	9^m.6	155.4"	324°	2015
			AD	7^m.4	10^m.3	181.4"	118°	2016
★★★	S398		AB	6^m.3	8^m.0	68.9"	100°	2018	Psc	01^h28^m22.92^s / +07°57'40.90"
★★★	gamma And, 57 And, Alamak	STF205	A-BC	2^m.3	5^m.0	9.5"	63°	2021	And	02^h03^m53.92^s / +42°19'47.50"
		BAR22	AD	2^m.3	15^m.0	27.9"	245°	1898
		STT38	BC	5^m.3	6^m.5	0.3"	120°	2021
★★★	STF227, iota Tri, 6 Tri			5^m.3	6^m.7	4.0"	68°	2019	Tri	02^h12^m22.28^s / +30°18'11.10"
★★★	STF231, 66 Cet		AB	5^m.7	7^m.7	16.8"	235°	2019	Cet	02^h12^m47.54^s / -02°23'37.10"
			AC	5^m.7	11^m.5	147.0"	53°	1998
★★★	STF232			7^m.8	7^m.9	6.7"	69°	2019	Tri	02^h14^m42.16^s / +30°23'41.20"
★★★	STF93, alpha UMi, 1 UMi, Polaris		AB	2^m.0	9^m.1	18.4"	236°	2016	UMi	02^h31^m49.09^s / +89°15'50.70"
			AC	2^m.0	13^m.8	39.0"	103°	2016
			AD	2^m.0	14^m.3	83.2"	194°	2016
★★★	STF412, 7 Tau		AB	6^m.6	6^m.9	0.8"	351°	2019	Tau	03^h34^m26.62^s / +24°27'52.10"
			AB-C	5^m.9	9^m.9	22.4"	53°	2014
★★★	STF470, 32 Eri		AB	4^m.8	5^m.9	6.9"	349°	2019	Eri	03^h54^m17.49^s / -02°57'17.00"
★★★	STFA10, theta Tau, theta 1/2 Tau, 77/78 Tau		AB	3^m.4	3^m.9	336.9"	347°	2019	Tau	04^h28^m39.74^s / +15°52'15.20"
★★★	STF668, 19 Ori, beta Ori, Rigel		A-BC	0^m.3	6^m.8	9.2"	202°	2020	Ori	05^h14^m32.27^s / -08°12'05.90"
★★★	theta 1 Ori, Trapezium, 41 Ori		AB	6^m.5	7^m.5	8.9"	32°	2019	Ori	05^h35^m15.82^s / -05°23'14.30"
			AC	6^m.5	5^m.1	12.9"	133°	2019
			AE	6^m.5	11^m.1	4.6"	352°	2013
			BD	7^m.5	6^m.4	19.4"	121°	2019
			CD	5^m.1	6^m.4	13.4"	62°	2019
			CF	5^m.1	11^m.5	4.7"	120°	2013
★★★	sigma Ori, 48 Ori	BU1032	AB	4^m.1	5^m.3	0.3"	70°	2018	Ori	05^h38^m44.77^s / -02°36'00.20"
		STF762	AB-C	3^m.8	8^m.8	11.4"	239°	2019
		STF762	AB-D	3^m.8	6^m.6	12.9"	84°	2019
		STF762	AB-E	3^m.8	6^m.3	41.4"	62°	2019
		STF3135	AB-F	3^m.8	7^m.9	208.0"	324°	2016
		STF762	DC	6^m.6	8^m.8	23.8"	252°	2019
		STF762	EC	6^m.3	8^m.8	52.9"	242°	2019
		STF762	ED	6^m.3	6^m.6	29.8"	233°	2019
★★★	59 Ori	H5 100	AB	5^m.9	10^m.4	36.7"	206°	2015	Ori	05^h58^m24.44^s / +01°50'13.60"
		ARN37	AC	5^m.9	6^m.9	177.8"	293°	2015
★★★	beta Mon, 11 Mon	STF919	AB	4^m.6	5^m.0	7.1"	133°	2019	Mon	06^h28^m49.07^s / -07°01'59.00"
		STF919	AC	4^m.6	5^m.4	9.9"	126°	2019
		BU570	AD	4^m.6	12^m.1	26.5"	56°	2014
		STF919	BC	5^m.0	5^m.3	3.0"	109°	2019
★★★	AGC1, 9 CMa, alpha CMa, Sirius		AB	-1^m.5	8^m.4	11.2"	67°	2020	CMa	06^h45^m08.92^s / -16°42'58.00"
★★★	STF948, 12 Lyn		AB	5^m.4	6^m.0	1.9"	65°	2020	Lyn	06^h46^m14.15^s / +59°26'30.10"
			AC	5^m.4	7^m.0	8.9"	309°	2019
★★★	ENG28		AB	7^m.9	7^m.7	171.9"	99°	2015	Gem	07^h08^m00.24^s / +15°31'42.90"
★★★	STF1110, alpha Gem, 66 Gem, Castor		AB	1^m.9	3^m.0	5.4"	53°	2020	Gem	07^h34^m35.86^s / +31°53'17.80"
			AC	1^m.9	9^m.8	71.6"	164°	2020
			AD	1^m.9	10^m.1	179.8"	221°	2017
★★★	STTA89			6^m.8	7^m.7	76.6"	84°	2017	Gem	07^h51^m00.20^s / +31°36'48.70"
★★★	zeta Cnc, 16 Cnc	STF1196	AB	5^m.3	6^m.2	1.2"	2°	2020	Cnc	08^h12^m12.79^s / +17°38'51.20"
		STF1196	AB-C	4^m.9	5^m.8	6.0"	64°	2020
		STF1196	AC	5^m.3	5^m.8	6.2"	62°	2020
		HUT1	Ca-Cb	6^m.2	7^m.1	0.3"	8°	2020
★★★	11 Hya, epsilon Hya	SP1	AB	3^m.5	5^m.0	0.2"	241°	2018	Hya	08^h46^m46.51^s / +06°25'07.70"
		STF1273	AB-C	3^m.5	6^m.7	2.9"	311°	2020
		STF1273	AB-D	3^m.5	12^m.5	18.1"	201°	2017
		STF1273	AB-E	3^m.5	10^m.8	340.5"	2°	2015
		STF1273	AB-F	3^m.5	10^m.4	406.5"	265°	2015
★★★	SHJ107, 6 Leo			5^m.2	9^m.3	37.1"	77°	2018	Leo	09^h31^m57.58^s / +09°42'56.80"
★★★	STF1552, 90 Leo		AB	6^m.3	7^m.3	3.1"	209°	2018	Leo	11^h34^m42.50^s / +16°47'48.90"
			AC	6^m.3	9^m.8	63.4"	235°	2018
★★★	SHJ146		AB	7^m.7	8^m.7	49.5"	290°	2017	Vir	12^h31^m14.61^s / +01°19'37.00"
★★★	STF1670, gamma Vir, 29 Vir, Porrima		AB	3^m.5	3^m.5	2.5"	4°	2020	Vir	12^h41^m39.60^s / -01°26'57.90"
★★★	STF1694		AB	5^m.3	5^m.7	21.8"	324°	2017	Cam	12^h49^m13.80^s / +83°24'46.30"
★★★	S656			6^m.9	7^m.4	86.2"	209°	2018	Boo	13^h50^m23.51^s / +21°16'35.80"
★★★	alpha Lib, Zubenelgenubi, Kiffa Australis, Lanx Australis	SHJ186	AB	2^m.7	5^m.2	231.1"	314°	2012	Lib	14^h50^m52.78^s / -16°02'29.80"
		AOT53	AC	2^m.7	12^m.5	275.6"	291°	2000
★★★	mu Boo, 51 Boo, Alkalurops	CHR181, mu 1 Boo	Aa-Ab	4^m.3		0.1"	188°	2012	Boo	15^h24^m29.54^s / +37°22'37.10"
		STFA28, mu 1 Boo	AB	4^m.3	7^m.1	109.2"	171°	2020
		STF1938, mu 2 Boo	Ba-Bb	7^m.1	7^m.6	2.2"	2°	2020
★★★	rho Oph, 5 Oph	H2 19	AB	5^m.1	5^m.7	3.0"	335°	2021	Oph	16^h25^m35.03^s / -23°26'47.00"
		H2 19	AC	5^m.1	7^m.3	151.1"	0°	2021
		H2 19	AD	5^m.1	6^m.8	156.1"	253°	2021
		KOU63	CF	5^m.8	11^m.7	4.8"	206°	2000
		BU1115	DE	6^m.8	8^m.4	0.3"	196°	2018
★★★	16/17 Dra	STF2078, 17 Dra	AB	5^m.4	6^m.4	3.2"	104°	2020	Dra	16^h36^m13.72^s / +52°55'27.80"
		STFA30, 16/17 Dra	AC	5^m.4	5^m.5	90.2"	193°	2018
★★★	BU628			9^m.5	9^m.6	0.6"	262°	2016	Her	17^h18^m22.22^s / +32°39'38.50"
★★★	COU994			9^m.4	11^m.2	0.5"	214°	2011	Her	17^h19^m44.04^s / +37°02'37.30"
★★★	A2088			9^m.9	10^m.0	0.4"	7°	2011	Her	17^h20^m32.37^s / +47°38'51.50"
★★★	COU1594			10^m.7	10^m.6	0.5"	332°	2010	Her	17^h33^m59.60^s / +44°28'45.60"
★★★	COU1596			9^m.3	9^m.3	0.2"	104°	2007	Her	17^h42^m14.40^s / +44°22'59.10"
★★★	STF2202, 61 Oph		AB	6^m.1	6^m.5	20.8"	93°	2019	Oph	17^h44^m34.09^s / +02°34'45.90"
★★★	HU1288			8^m.3	9^m.4	0.4"	163°	2016	Her	17^h47^m09.16^s / +15°02'13.80"
★★★	S694			6^m.7	7^m.3	79.3"	238°	2018	Oph	17^h52^m05.20^s / +01°06'40.30"
★★★	BU641			7^m.0	8^m.7	0.8"	341°	2015	Her	18^h21^m48.44^s / +21°30'27.90"
★★★	epsilon Lyr	STF2382, 4 Lyr, epsilon 1 Lyr	AB	5^m.2	6^m.1	2.2"	345°	2020	Lyr	18^h44^m20.34^s / +39°40'12.40"
		STFA37	AB-CD	4^m.7	4^m.6	209.5"	172°	2016
		STFA37	AI	5^m.2	10^m.1	149.5"	137°	2015
		STF2383, 5 Lyr, epsilon 2 Lyr	CD	5^m.2	5^m.4	2.4"	75°	2020
★★★	beta Cyg, 6 Cyg, Albireo, STFA43		AB	3^m.2	4^m.7	34.7"	54°	2021	Cyg	19^h30^m43.29^s / +27°57'34.90"
★★★	HN 84, V340 Sge			6^m.4	9^m.5	28.4"	301°	2013	Sge	19^h39^m25.33^s / +16°34'16.00"
★★★	STFA50, 30/31 Cyg, omicron Cyg		AC	3^m.9	7^m.0	108.6"	173°	2016	Cyg	20^h13^m37.90^s / +46°44'28.80"
			AD	3^m.9	4^m.8	336.7"	322°	2016
★★★	BLL49, U Cyg			8^m.0	9^m.0	65.4"	231°	2015	Cyg	20^h19^m41.66^s / +47°54'19.90"
★★★	STF2742			7^m.4	7^m.6	3.0"	213°	2020	Equ	21^h02^m12.51^s / +07°10'47.30"
★★★	STF2758, 61 Cyg		AB	5^m.2	6^m.0	31.8"	153°	2019	Cyg	21^h06^m53.95^s / +38°44'57.90"
★★★	STF2854			7^m.8	7^m.9	1.6"	84°	2017	Peg	22^h04^m22.52^s / +13°38'53.40"
★★★	BVD142 & TDT3916	BVD142	AB	7^m.8	10^m.3	80.0"	165°	2018	And	23^h10^m29.28^s / +41°19'18.70"
		TDT3916	Ba-Bb	10^m.7	11^m.4	0.6"	89°	1991