19423+4451 COU2690

Coord 2000	19423+4451		Discov num	COU2690		Comp			Coord arcsec 2000	19 42 17.75 +44 51 16.0
Date first	1991		Date last	2008		Obs	3
Pa first	124		Pa last	127		P.A. Now (θ)	127°
Sep first	0.6		Sep last	0.6		Sep. Now (ρ)	0.6"
Mag pri	10.48		Mag sec	10.09		delta mag (ΔM)	0.39		Spectral class
Pri motion ra	-001		Sec motion ra	-001
Pri motion dec	-007		Sec motion dec	-007
Notes

Nature of this double is uncertain.

Precise pa	127.2		Precise sep	0.628		Constellation	Cygnus		Tycho2	3148-00999-1
last precise pa	127.2		last precise sep	0.628

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19423+4451	COU2690		1992	2	134	0.5	10.48	10.09			194217.75+445116.0
19423+4451	COU2690		2008	3	127	0.6	10.48	10.09			194217.75+445116.0

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