20280+3128 TDS1074

Coord 2000	20280+3128		Discov num	TDS1074		Comp			Coord arcsec 2000	20 27 58.57 +31 27 59.2
Date first	1991		Date last	2015		Obs	4
Pa first	330		Pa last	334		P.A. Now (θ)	334°
Sep first	1.4		Sep last	1.5		Sep. Now (ρ)	1.5"
Mag pri	11.12		Mag sec	11.89		delta mag (ΔM)	0.77		Spectral class
Pri motion ra	+000		Sec motion ra	+000
Pri motion dec	-007		Sec motion dec	-007
Notes

Nature of this double is uncertain.

Precise pa	334.1		Precise sep	1.462		Constellation	Cygnus		Tycho2	2685-00043-1
Gaia DR2	65304123648		HD	332315

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20280+3128	TDS1074		1991	1	330	1.4	11.12	11.89			202758.57+312759.2
20280+3128	TDS1074		2009	2	334	1.5	11.12	11.89			202758.57+312759.2
20280+3128	TDS1074		2015	3	334	1.5	11.12	11.89			202758.57+312759.2

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