20288+3541 SEI1130

Coord 2000	20288+3541		Discov num	SEI1130		Comp			Coord arcsec 2000	20 28 52.15 +35 40 42.3
Date first	1896		Date last	2015		Obs	10
Pa first	31		Pa last	26		P.A. Now (θ)	26°
Sep first	12.5		Sep last	11.3		Sep. Now (ρ)	11.3"
Mag pri	11.15		Mag sec	12.10		delta mag (ΔM)	0.95		Spectral class
Pri motion ra	+024		Sec motion ra	+008
Pri motion dec	-004		Sec motion dec	-008
Notes

rPM=0.678 Nature of this double is uncertain.

Precise pa	25.8		Precise sep	11.348		Constellation	Cygnus		SAO	70087
Tycho2	2697-00806-1		Gaia DR2	75824561792

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20288+3541	SEI1130		2000	4	27	11.5	11.15	12.10		D	202852.15+354042.3
20288+3541	SEI1130		2002	5	27	11.5	11.15	12.10		D	202852.15+354042.3
20288+3541	SEI1130		2015	6	26	11.4	11.15	12.10			202852.15+354042.3

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