19504+3412 SEI 694

Coord 2000	19504+3412		Discov num	SEI 694		Comp			Coord arcsec 2000	19 50 23.21 +34 12 04.6
Date first	1894		Date last	2010		Obs	7
Pa first	181		Pa last	177		P.A. Now (θ)	177°
Sep first	26.6		Sep last	23.8		Sep. Now (ρ)	23.8"
Mag pri	11.20		Mag sec	12.19		delta mag (ΔM)	0.99		Spectral class
Pri motion ra	-016		Sec motion ra	-001
Pri motion dec	-024		Sec motion dec	-003
Notes

rPM=0.895 This double is not physical.

Precise pa	176.6		Precise sep	23.83		Constellation	Cygnus		Tycho2	2677-00062-1
last precise pa	176.6		last precise sep	23.83

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19504+3412	SEI 694		1998	5	176	24.6	11.20	12.20		D	195023.21+341204.6
19504+3412	SEI 694		2002	6	176	24.5	11.20	12.20		D	195023.21+341204.6
19504+3412	SEI 694		2010	7	177	23.8	11.20	12.19			195023.21+341204.6

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