19421+3132 ACA   5AD

Coord 2000	19421+3132		Discov num	ACA   5		Comp	AD		Coord arcsec 2000	19 42 08.59 +31 32 26.6
Date first	1893		Date last	2015		Obs	12
Pa first	238		Pa last	244		P.A. Now (θ)	244°
Sep first	23.2		Sep last	21.4		Sep. Now (ρ)	21.4"
Mag pri	8.38		Mag sec	12.30		delta mag (ΔM)	3.92		Spectral class	F2 (yellow-white)
Pri motion ra	+008		Sec motion ra	+010
Pri motion dec	-023		Sec motion dec	+003
Notes

rPM=1.071 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		68716	19421+3132	SEI 661	AB	1893	2015	11	135	13.1	8.38	11.44	3.06
Show		68716	19421+3132	ACA 5	AC	1998	2015	8	185	30.3	8.38	13.68	5.30
Show		68716	19421+3132	ACA 5	AD	1893	2015	12	244	21.4	8.38	12.30	3.92		<===
Show		68716	19421+3132	ACA 5	AE	1902	2015	10	36	34.8	8.38	12.75	4.37

Quintuple system
5 visible stars in this system

Precise pa	244		Precise sep	21.367		Constellation	Cygnus		SAO	68716
HIP	96925		Tycho2	2656-02285-1		Gaia DR2	12584831872		HD	331096
BD	BD+31 3723		Distance	130.89		Distance ly	426.96

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19421+3132	ACA 5	AD	2006	6	244	21.5	8.38	12.30		D	194208.59+313226.6
19421+3132	ACA 5	AD	2015	8	244	21.4	8.38	12.30	F2		194208.59+313226.6

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