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Double Stars in Cassiopeia

Here is a listing of the 90 or so best doubles in Cassiopeia.
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.
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Name	SAO	Sep	PA	Mag1	Mag2	RA	Dec	Spect	Color	Comments
WZ CAS	21002	58.1	89	7.5	8.0	00:01.3	+60:21	N1	***	nice color contrast
STF 3053	10938	15.2	706	6.0	7.5	00:02.6	+66:05	K1/A2	***	Color contrasting double
STF 3057	21062	3.9	298	7.0	9.0	00:04.9	+58:31	B3
HU 502	36054	2.4	113	7.0	10.5	00:06.0	+49:37	A3
STF 3062	21085	1.3	259	7.0	8.0	00:06.1	+58:25	G8
A 1253	21108	3.0	87	7.5	12.5	00:07.6	+52:46	G5
STF 7	21191	1.3	212	8.0	8.5	00:11.6	+55:57	B8
STT 1	11030	1.6	210	7.5	10.0	00:11.9	+66:07	A0
STF 10	11063	17.6	176	7.5	8.0	00:14.8	+62:50	A0
STF 16	132321	5.8	40	7.5	9.0	00:16.7	+54:39	A3
BU 392		19.4	69	6.0	12.0	00:16.9	+61:31	G4
ES 41		6.0	218	8.0	11.0	00:18.4	+49:30	F8	***	Carbon Star SAO 36234 in field
STF 30		15.3	307	7.0	9.0	00:27.2	+49:58	B9
BU 1094		0.7	254	6.0	9.0	00:30.4	+59:58	B9
BU 394	36427	0.8	286	8.5	8.5	00:30.7	+47:31	G0
BU 1227	21498	2.9	202	7.5	11.5	00:32.4	+58:20	F2
HJ 1989		32.3	51	7.5	11.5	00:37.7	+72:53	B3
STF 45		14.5	88	7.0	10.0	00:38.8	+46:57	G5
STT 16		13.3	23	6.0	10.0	00:39.2	+49:21	K5	***	Optical Double
ALPHA CAS	21609	64.4	280	2.5	9.0	00:40.4	+56:32	K0	***	Optical double
STF 48	4190	5.4	334	7.0	7.0	00:42.6	+71:22	A0
21 CAS	4216	36.0	160	6.0	9.5	00:45.6	+74:59	A2
STF 59	21716	2.1	148	7.0	8.0	00:48.0	+51:26	A0
ETA CAS	21732	11.0	297	3.5	7.5	00:49.0	+57:49	G0	***	color contrasting double
HJ 1054	11420	8.6	180	8.0	10.0	00:49.7	+60:45	F5		Third component sep 93.0 pa 92 mag 10
BU 232	21759	0.7	22	8.5	9.0	00:50.4	+50:38	G4/G6
BU 781	11436	0.7	22	8.0	8.5	00:51.6	+68:59	A2
A 812	36721	1.8	323	7.0	11.0	00:51.8	+48:03	K0
BU 1		1.4	82	8.0	10.0	00:52.8	+56:37	A5
STF 65	11440	3.1	40	8.0	8.0	00:52.8	+68:52	A2
BU 497		130.0	171	6.0	9.0	00:53.1	+61:07	F8
STF 70		8.0	245	6.5	9.5	00:53.8	+52:41	A0		Third component sep 78.5 PA 148 mag 10. C is also a close double sep 1.7 pa 88 mag 10/10.5
GAMMA CAS	11482	2.3	252	2.5	11.0	00:56.7	+60:43	B9
ES 940		62.6	356	7.0	9.0	00:57.3	+52:14	K2
ES 45		7.7	243	7.0	11.0	01:01.5	+49:33	G5
BU 396	11551	1.2	66	6.0	9.0	01:03.6	+61:04	A9
HD 6540	22021	21.7	75	6.5	10.0	01:07.2	+53:30	K0	***
STT 23	22049	14.6	192	7.5	8.0	01:10.2	+51:44	F8
BU 235	22060	1.1	118	7.5	7.5	01:10.6	+51:00	F5
STF 96	11631	0.8	283	8.0	9.0	01:12.7	+65:00	B9
BU 258	11637	1.3	267	6.0	9.0	01:13.2	+61:42	B9
PHI CAS	22191	48.6	208	5.0	12.0	01:20.1	+58:13	F0/B6		Third component sep 134 pa 231 mag 7
35 CAS	11712	53.8	347	6.0	8.0	01:21.0	+64:39	A0
STF 114		3.7	356	7.5	10.5	01:24.1	+72:50	A0
PSI CAS	11751	23.2	118	4.5	9.0	01:26.0	+68:07	K0	***	Primary is a close double sep 2.5 mag 13, C is a close double sep 2.9 mag 9/9.5
STF 131		13.8	142	6.0	9.0	01:33.2	+60:41	B3		in cluster M103, third component sep 28.2 PA 125 mag 10.5
MLB 280		58.4	79	6.5	11.0	01:35.4	+63:05	K0		B is a binary sep 6.4 pa 45 mag 11/11.5
STT 33	22442	25.4	76	7.0	8.0	01:37.4	+58:38	B8	***
HJ 1088		19.6	168	7.0	9.5	01:42.3	+58:38	B9
44 CAS	11941	1.6	358	6.0	12.0	01:43.3	+60:33	B9	***	Third component sep 66.0 pa 310 mag 10
STT 35	22555	12.8	99	7.0	10.0	01:43.8	+55:53	A2
BU 870	22566	1.1	19	7.0	8.5	01:44.3	+57:32	A2
STF 151		7.1	38	9.5	10.0	01:45.9	+61:13	A2		in NGC 663
STF 152		9.3	105	9.0	10.5	01:46.0	+61:14	B2		in NCG 663
STF 163	12007	34.8	35	6.5	8.5	01:51.2	+64:50	K5	***
STF 170	4512	3.3	246	6.5	7.5	01:55.3	+76:13	A4
STF 182	12046	3.6	123	7.0	7.0	01:56.4	+61:16	A0
HJ 1100		41.5	310	6.0	10.0	01:59.5	+64:37	A0
48 CAS	4554	0.3	47	5.0	7.0	02:02.0	+70:54	A4		Spectroscopic binary, third component sep 28.0 pa 128 mag 13
STF 234		0.9	246	8.5	9.0	02:17.4	+61:20	G0
IOTA CAS	12298	2.2	241	4.0	7.0	02:29.1	+67:24	A5		Third component sep 7.3 pa 114 mag 8
STF 277		3.1	137	7.5	11.0	02:37.0	+59:53	A0
STF 283	12380	1.8	207	8.0	8.5	02:40.6	+61:28	G5
A 970		5.2	100	7.0	13.0	02:43.2	+58:53	A0
STF 302		5.1	167	8.0	10.5	02:49.9	+64:37	B9
STF 306	12470	2.1	93	7.0	9.0	02:51.1	+60:25	B0		third component sep 27.4 pa 157 mag 11.5
STF 312	4776	2.2	32	7.0	8.0	02:56.0	+72:53	G0		Third component sep 42.9 pa 129 mag 9
STF 329		16.0	273	7.5	9.0	03:01.1	+59:01	A2
STF 349	12635	6.1	321	7.5	8.0	03:10.8	+63:47	F8
STT 50	4846	1.1	175	7.5	7.5	03:12.6	+71:33	F8
STT 485		20.1	50	6.0	9.0	23:02.8	+55:13	B9		Third component sep 56.6 pa 260 mag 9.5
STT 490	35193	1.3	299	7.0	9.0	23:10.1	+57:26	G5	***
BU 229	35330	17.5	36	7.0	11.5	23:10.1	+57:26	K2
ES 220		36.9	83	8.0	11.5	23:20.9	+62:24	A0
AR CAS	35478	1.1	347	5.0	10.0	23:30.0	+58:32	B3		Third component sep 75.7 pa 269 mag 8, fourth component sep 43.4 pa 114 mag 9, fifth component sep 67.3 pa 338 mag 9
STT 498		17.2	244	7.0	10.0	23:31.3	+52:24	F5
HD 221625		9.5	78	7.0	9.0	23:33.3	+57:24	G5
HJ 1896		16.3	116	7.0	11.0	23:38.8	+62:07	A2
STT 502	20756	3.6	223	7.0	10.5	23:39.9	+63:43	A2
BU 993	20791	2.7	275	7.0	11.5	23:42.4	+64:30	M0	***
STF 3037	20832	2.7	213	7.0	8.5	23:46.0	+60:28	K0		Third component sep 29.2 pa 186 mag 9 fourth component sep 52.6 pa 229 mag 9.9
STT 507	20866	0.7	296	7.0	7.5	23:48.6	+64:52	A0		third component (optical) sep 50.4 pa 351 mag 8
6 CAS	20869	1.5	199	6.0	8.0	23:48.8	+62:13	A3		third component sep 62.4 pa 309 mag 10.5
ES 700		14.6	35	6.5	10.0	23:50.6	+54:12	F5
STT 511		10.5	35	7.0	11.0	23:53.1	+60:42	K5	***
STT 512	20954	3.0	293	6.5	11.0	23:57.3	+61:02	M0	***
ARG 99		4.8	318	9.5	10.0	23:57.4	+61:02	B9
STF 3047	35930	1.1	70	8.5	8.5	23:57.8	+57:23	B9
SIGMA CAS	35947	3.0	326	5.5	7.5	23:58.9	+55:45	B1/B3

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Some information gathered from Burgham's Celestial Handbooks and converted to J2000 and from my own observations.
Page ©2003 Kevin Muenzler, Eagle Creek Observatory.