19550+3652 SEI 726

Coord 2000	19550+3652		Discov num	SEI 726		Comp			Coord arcsec 2000	19 54 57.29 +36 52 17.9
Date first	1896		Date last	2015		Obs	13
Pa first	9		Pa last	20		P.A. Now (θ)	20°
Sep first	6.8		Sep last	8.4		Sep. Now (ρ)	8.4"
Mag pri	10.38		Mag sec	12.40		delta mag (ΔM)	2.02		Spectral class
Pri motion ra	-009		Sec motion ra	+005
Pri motion dec	-008		Sec motion dec	+002
Notes

rPM=1.429 This double is not physical.

Precise pa	19.5		Precise sep	8.424		Constellation	Cygnus		SAO	69069
Tycho2	2681-00761-1		Gaia DR2	26280990336		HD	226520

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19550+3652	SEI 726		1998	7	19	8.2	10.38	12.40		D	195457.29+365217.9
19550+3652	SEI 726		2002	8	19	8.3	10.38	12.40		D	195457.29+365217.9
19550+3652	SEI 726		2015	9	20	8.4	10.38	12.40			195457.29+365217.9

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