20221+4042 ES 1676

Coord 2000	20221+4042		Discov num	ES 1676		Comp			Coord arcsec 2000	20 22 04.55 +40 42 48.7
Date first	1917		Date last	2015		Obs	4
Pa first	286		Pa last	285		P.A. Now (θ)	285°
Sep first	2.2		Sep last	2.4		Sep. Now (ρ)	2.4"
Mag pri	11.19		Mag sec	11.60		delta mag (ΔM)	0.41		Spectral class
Pri motion ra	+001		Sec motion ra
Pri motion dec	-007		Sec motion dec
Notes

Nature of this double is uncertain.

Precise pa	285.4		Precise sep	2.431		Constellation	Cygnus		SAO	49523
Tycho2	3156-00638-1		Gaia DR2	10894274176

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20221+4042	ES 1676		1998	3	286	2.4	11.19	11.60			202204.55+404248.7
20221+4042	ES 1676		2015	4	285	2.4	11.19	11.60			202204.55+404248.7

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