20311+1247 J  3244

Coord 2000	20311+1247		Discov num	J  3244		Comp			Coord arcsec 2000	20 31 08.00 +12 45 59.0
Date first	1949		Date last	2015		Obs	4
Pa first	183		Pa last	153		P.A. Now (θ)	153°
Sep first	4.2		Sep last	4.4		Sep. Now (ρ)	4.4"
Mag pri	12.80		Mag sec	15.70		delta mag (ΔM)	2.9		Spectral class
Pri motion ra	-011		Sec motion ra
Pri motion dec	-004		Sec motion dec
Notes

Nature of this double is uncertain.

Precise pa	152.5		Precise sep	4.416		Constellation	Delphinus		Tycho2	1095-00217-1
Gaia DR2	63742959104

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20311+1247	J 3244		1949	1	183	4.2	11.38	12.90			203102.42+124720.8
20311+1247	J 3244		2001	4	160	4.6	11.38	12.90			203108.00+124559.0
20311+1247	J 3244		2015	5	153	4.4	12.80	15.70			203108.00+124559.0

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