19395+3716 ALI 630

Coord 2000	19395+3716		Discov num	ALI 630		Comp			Coord arcsec 2000	19 39 30.93 +37 15 30.1
Date first	1929		Date last	2015		Obs	12
Pa first	305		Pa last	300		P.A. Now (θ)	300°
Sep first	15.7		Sep last	14.8		Sep. Now (ρ)	14.8"
Mag pri	11.52		Mag sec	12.09		delta mag (ΔM)	0.57		Spectral class
Pri motion ra	+004		Sec motion ra	+002
Pri motion dec	-004		Sec motion dec	-017
Notes

rPM=0.768 Nature of this double is uncertain.

Precise pa	300		Precise sep	14.834		Constellation	Cygnus		Tycho2	2668-00821-1
Gaia DR2	71237034752

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19395+3716	ALI 630		1998	5	301	15.0	11.52	12.09		D	193930.93+371530.1
19395+3716	ALI 630		2002	6	301	14.9	11.52	12.09		D	193930.93+371530.1
19395+3716	ALI 630		2010	7	300	14.5	11.52	12.09			193930.93+371530.1
19395+3716	ALI 630		2015	8	300	14.8	11.52	12.09			193930.93+371530.1

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