20200+5116 ABH 138 AF

Coord 2000	20200+5116		Discov num	ABH 138		Comp	AF		Coord arcsec 2000	20 20 01.12 +51 15 33.7
Date first	1988		Date last	2015		Obs	8
Pa first	111		Pa last	109.7		P.A. Now (θ)	109.7°
Sep first	85.3		Sep last	86.034		Sep. Now (ρ)	86.034"
Mag pri	9.06		Mag sec	13.71		delta mag (ΔM)	4.65		Spectral class	K3III (yellow-orange)
Pri motion ra	-020		Sec motion ra	-012
Pri motion dec	-015		Sec motion dec	-022
Notes	U (Proper motion indicates non-physical)

rPM=0.424 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 235183	32481	20 20 01 +51 15 34	ES 800 AB	2018	20	321	30.2	9.06	10.51	1.45
Show		32481	20 20 01 +51 15 34	ES 800 AC	2018	9	101	42.6	9.06	12.64	3.58
Show		32481	20 20 01 +51 15 34	ES 800 AE	2018	22	95	115.6	9.06	9.47	0.41
Show		32481	20 20 01 +51 15 34	ABH 138 AF	2015	8	110	86.0	9.06	13.71	4.65		<===
Show		32481	20 20 01 +51 15 34	ABH 138 AG	2015	8	338	76.5	9.06	14.05	4.99
Show			20 20 06 +51 15 25	ES 800 CD	2015	3	133	2.5	12.64	14.60	1.96
Show			20 20 06 +51 15 25	ES 800 CE	2018	9	92	73.3	12.64	9.47	3.17

Septuple system
7 estimated visually detectable stars in this system

Constellation	Cygnus		SAO	32481		Tycho2	3584-00394-1		Gaia DR2	2181240514706207360
HD	235183