19553+3011 J   781AB

Coord 2000	19553+3011		Discov num	J   781		Comp	AB		Coord arcsec 2000	19 55 16.95 +30 11 26.5
Date first	1912		Date last	2015		Obs	11
Pa first	127		Pa last	126		P.A. Now (θ)	126°
Sep first	2.7		Sep last	2.9		Sep. Now (ρ)	2.9"
Mag pri	11.60		Mag sec	11.60		delta mag (ΔM)	0		Spectral class
Pri motion ra	-012		Sec motion ra	+015
Pri motion dec	+007		Sec motion dec	-012
Notes

rPM=1.719 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19553+3011	J 781	AB	1912	2015	11	126	2.9	11.60	11.60	0.00		<===
Show			19553+3011	J 781	AC	1916	2015	4	99	10.2	11.60	14.60	3.00
Show			19553+3011	J 781	BC	2002	2015	3	89	7.6	11.60	14.60	3.00

Triple system
3 visible stars in this system

Precise pa	126		Precise sep	2.9		Constellation	Cygnus		SAO	69079
Gaia DR2	30267305216		HD	188651		HR	7607		DM	BD+29 3802

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19553+3011	J 781	AB	2004	6	306	3.0	9.40	9.40			195520.00+301100.0
19553+3011	J 781	AB	2011	8	126	2.9	11.50	11.40			195516.95+301126.5
19553+3011	J 781	AB	2015	10	126	2.9	11.60	11.60			195516.95+301126.5

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