20524+3724 SEI 1287

20^h 52^m 15.00^s +37° 24' 00.0" P.A. 353.00 sep 6.7 mag 9.80,11.00

Coord 2000	20524+3724	Discov num	SEI1287	Comp		Coord arcsec 2000	20 52 15.00 +37 24 00.0
Date first	1896	Date last	1896	Obs	1
Pa first	353	Pa last	353	P.A. Now (θ)	353°
Sep first	6.7	Sep last	6.69	Sep. Now (ρ)	6.69"
Mag pri	9.80	Mag sec	11.00	delta mag (ΔM)	1.2	Spectral class
Pri motion ra		Sec motion ra
Pri motion dec		Sec motion dec
Notes	N X (See Notes, Dubious double)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Coordinate calcolate

Coordinate calculated

yes

WDS 20524+3724 SEI 1287 : NOTES

discov_num	notes	refcode
SEI1287	No Astrographic Catalog objects near Scheiner's coordinates and	Sei1908
	no obvious binary in field - typo in original catalog?

REFERENCES

refcode	metd	author	reference
Sei1908	Pa -	Scheiner, J.	1908POPot..59.....S
Sei1908	+Po	Pub. Obs. Potsdam 20, #59, 1908

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20524+3724	SEI1287		1896	1	353	6.7	9.80	11.00		NX

If you need more information about this double, apply for a data request form to the WDS.

WDS 20524+3724 SEI 1287 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20524+3724 SEI 1287 : MEASURES

No records found.

WDS 20524+3724 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 20524+3724 : ALADIN DSS IMAGE @ 20^h 52^m 15.00^s +37° 24' 00.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20524+3724 SEI 1287 : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20524+3724	SEI1287		353	6.7
Show		20527+3728	SEI1288		259	24.2	6
Show		20515+3717	SEI1282		270	27.4	12
Show		20533+3731	TDT2606		65	4.4	15
Show		20510+3717	SEI1277		32	8.1	18
Show		20538+3723	SEI1299	AB	356	9.0	19
Show		20538+3723	SEI1301	AC	290	26.3	19
Show		20533+3740	SEI1294		26	23.1	20
Show		20506+3740	SKF1925		170	13.8	26
Show		20521+3657	SEI1285		301	27.6	28
Show		20501+3714	SEI1268	AB	123	27.3	28
Show		20501+3714	CLL 15	AC	20	48.5	28
Show		20529+3752	TDT2600		43	0.5	30
Show		20538+3702	SEI1300		120	1.8	30
Show		20526+3655	A 1435		6	0.5	30
Show		20547+3714	TDT2625		255	0.5	32
Show		20526+3756	SEI1289		240	25.3	33
Show		20544+3704	SEI1305		148	23.0	33
Show		20546+3709	SEI1307		307	3.7	33
Show		20521+3758	RAO 442		81	2.6	34
Show		20540+3751	TDT2614		350	0.6	35
Show		20549+3709	COU2295		180	0.4	35
Show		20525+3759	ES 2516		216	6.3	36
Show		20547+3704	STT 419		24	1.7	36
Show		20512+3650	SEI1280		5	3.8	36
Show		20544+3658	TDT2623		36	1.0	37
Show		20528+3646	COU2221		30	0.3	39
Show		20521+3645	ES 250		88	4.4	40
Show		20554+3708	SEI1314		178	18.4	41
Show		20535+3645	SEI1296		278	10.5	43
Show		20544+3648	SEI1306		306	17.1	45
Show		20503+3645	TDT2568		174	2.4	46
Show		20552+3755	SEI1312		285	8.2	46
Show		20508+3641	SEI1276		266	22.6	47
Show		20561+3731	SEI1322		165	1.5	47
Show		20533+3639	SEI1293		53	14.2	48
Show		20507+3807	SEI1275		196	22.2	48
Show		20502+3642	SEI1270		211	23.1	49
Show		20549+3803	TDT2626	Aa,Ab	20	0.7	50
Show		20549+3803	SEI1309	AB	120	6.5	50
Show		20488+3754	TDT2557		237	0.7	51
Show		20565+3731	TDT2648		234	0.7	52
Show		20500+3640	TOB 199		109	18.8	52
Show		20505+3635	SEI1271	AB	27	14.9	54
Show		20505+3635	SEI1272	AC	185	20.4	54
Show		20518+3820	ES 2123	AB	102	5.2	58
Show		20518+3820	ES 2123	AC	327	37.4	58
Show		20491+3640	SEI1260		42	7.5	58
Show		20561+3649	SEI1321		96	22.7	59
Show		20556+3809	COU2222	Aa,Ab	109	0.7	60
Show		20556+3809	SEI1317	AB	171	22.7	60

WDS 20524+3724 : COMPONENTS

	A
B	pa=354.4° sep=6.67"

20524+3724 A

Componente originario normalizzato

Coord arcsec 2000

205215.00+372400.0

Mag

9.8

Calc coord

yes

20524+3724 B

Componente originario normalizzato	AB		Coord arcsec 2000	205214.95+372406.6		Mag	11		Calc delta mag	1.2
Calc coord	yes