20087+3525 SEI 915

Coord 2000	20087+3525		Discov num	SEI 915		Comp			Coord arcsec 2000	20 08 38.41 +35 24 17.6
Date first	1896		Date last	2015		Obs	9
Pa first	230		Pa last	230		P.A. Now (θ)	230°
Sep first	30.0		Sep last	29.0		Sep. Now (ρ)	29"
Mag pri	10.50		Mag sec	11.00		delta mag (ΔM)	0.5		Spectral class
Pri motion ra	-003		Sec motion ra	+002
Pri motion dec	-005		Sec motion dec	+001
Notes

rPM=1.339 This double is not physical.

Precise pa	230.3		Precise sep	28.976		Constellation	Cygnus		SAO	69485
Gaia DR2	97662329216

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20087+3525	SEI 915		1998	2	230	29.4	10.50	11.00		D	200838.41+352417.6
20087+3525	SEI 915		2002	3	230	29.1	10.50	11.00		D	200838.41+352417.6
20087+3525	SEI 915		2010	4	230	30.1	10.50	11.00			200838.41+352417.6
20087+3525	SEI 915		2015	5	230	29.0	10.50	11.00			200838.41+352417.6

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