19394+3029 BKO  76AD

Coord 2000	19394+3029		Discov num	BKO  76		Comp	AD		Coord arcsec 2000	19 39 23.17 +30 29 09.4
Date first	1998		Date last	2015		Obs	4
Pa first	251		Pa last	250		P.A. Now (θ)	250°
Sep first	81.4		Sep last	80.3		Sep. Now (ρ)	80.3"
Mag pri	11.00		Mag sec	12.90		delta mag (ΔM)	1.9		Spectral class
Pri motion ra	-001		Sec motion ra	-024
Pri motion dec	-003		Sec motion dec	-006
Notes

rPM=0.938 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		68641	19394+3029	SLE 659	AB	1900	2015	11	107	8.4	11.00	12.50	1.50
Show		68641	19394+3029	SLE 659	AC	1984	2015	10	88	15.5	11.00	13.30	2.30
Show		68641	19394+3029	BKO 76	AD	1998	2015	4	250	80.3	11.00	12.90	1.90		<===
Show		68641	19394+3029	FYM 175	AF	1998	2015	8	182	23.6	11.00	14.40	3.40
Show		68641	19394+3029	FYM 175	FG	1998	2013	3	22	7.3	14.40	15.70	1.30
Show		68641	19394+3029	BKO 76	DE	2002	2006	2	258	3.4	12.10	12.50	0.40

Septuple system
7 visible stars in this system

Precise pa	250.4		Precise sep	80.279		Constellation	Cygnus		SAO	68641
Gaia DR2	30875288576

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19394+3029	BKO 76	AD	2002	2	250	80.2	11.00	12.10		D	193923.17+302909.4
19394+3029	BKO 76	AD	2015	4	250	80.3	11.00	12.90			193923.17+302909.4

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