20238+3830 BUP 209 AC

Coord 2000	20238+3830		Discov num	BUP 209		Comp	AC		Coord arcsec 2000	20 23 51.01 +38 29 34.3
Date first	1879		Date last	2015		Obs	23
Pa first	295		Pa last	296.1		P.A. Now (θ)	296.1°
Sep first	66.3		Sep last	65.775		Sep. Now (ρ)	65.775"
Mag pri	8.65		Mag sec	9.34		delta mag (ΔM)	0.69		Spectral class	F0III (yellow-white)
Pri motion ra	-012		Sec motion ra	-004
Pri motion dec	-010		Sec motion dec	-006
Notes	N (See Notes)

rPM=0.573 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	V2031 Cyg	69957	20 23 51 +38 29 34	BUP 209 AB	2015	13	320	38.5	8.65	12.12	3.47
Show		69957	20 23 51 +38 29 34	BUP 209 AC	2015	23	296	65.8	8.65	9.34	0.69		<===
Show		69957	20 23 51 +38 29 34	BKO 153 AD	2015	14	119	54.6	8.65	11.50	2.85
Show			20 23 49 +38 30 04	BKO 153 BE	2015	9	264	14.7	12.12	14.08	1.96
Show			20 23 49 +38 30 04	BKO 153 BF	2015	9	323	16.0	12.12	13.70	1.58
Show			20 23 49 +38 30 04	BKO 153 BG	2015	9	31	14.6	12.12	14.40	2.28
Show			20 23 49 +38 30 04	FYM 128 BH	2015	8	223	10.9	12.12	15.56	3.44
Show			20 23 49 +38 30 04	FYM 128 BI	2015	8	57	32.2	12.12	14.41	2.29

Ninefold system
9 estimated visually detectable stars in this system

Constellation	Cygnus		SAO	69957		Tycho2	3152-00040-1		Gaia DR2	2061130001923197312
HD	229221