19563+0001 BAL 917

Coord 2000	19563+0001		Discov num	BAL 917		Comp			Coord arcsec 2000	19 56 16.20 +00 00 44.2
Date first	1896		Date last	2015		Obs	8
Pa first	103		Pa last	104		P.A. Now (θ)	104°
Sep first	16.9		Sep last	16.7		Sep. Now (ρ)	16.7"
Mag pri	11.69		Mag sec	12.69		delta mag (ΔM)	1		Spectral class
Pri motion ra	+003		Sec motion ra	+000
Pri motion dec	+005		Sec motion dec	+002
Notes

rPM=0.728 Nature of this double is uncertain.

Precise pa	104.3		Precise sep	16.732		Constellation	Aquila		SAO	143924
Tycho2	0481-02672-1		Gaia DR2	44339978624

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19563+0001	BAL 917		1998	3	104	16.8	12.67	12.69		D	195616.20+000044.2
19563+0001	BAL 917		2000	4	103	16.5	12.67	12.69		D	195616.20+000044.2
19563+0001	BAL 917		2010	5	104	16.7	11.69	12.69			195616.20+000044.2
19563+0001	BAL 917		2015	6	104	16.7	11.69	12.69			195616.20+000044.2

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