19578+3508 SEI 748

Coord 2000	19578+3508		Discov num	SEI 748		Comp			Coord arcsec 2000	19 57 46.99 +35 08 01.3
Date first	1895		Date last	2010		Obs	9
Pa first	24		Pa last	35		P.A. Now (θ)	35°
Sep first	6.4		Sep last	5.4		Sep. Now (ρ)	5.4"
Mag pri	11.33		Mag sec	12.70		delta mag (ΔM)	1.37		Spectral class
Pri motion ra	-003		Sec motion ra	+004
Pri motion dec	+009		Sec motion dec	+006
Notes

rPM=0.803 This double is not physical.

Precise pa	35.3		Precise sep	5.4		Constellation	Cygnus		last precise pa	35.3
last precise sep	5.4

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19578+3508	SEI 748		2006	7	36	5.2	11.33	12.70		D	195746.99+350801.3
19578+3508	SEI 748		2010	9	37	4.3	11.33	12.70			195746.99+350801.3

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