20355+3450 ES 2307

Coord 2000	20355+3450		Discov num	ES 2307		Comp			Coord arcsec 2000	20 35 30.18 +34 50 13.3
Date first	1927		Date last	1999		Obs	2
Pa first	84		Pa last	90		P.A. Now (θ)	90°
Sep first	4.1		Sep last	3.3		Sep. Now (ρ)	3.3"
Mag pri	9.76		Mag sec	12.50		delta mag (ΔM)	2.74		Spectral class
Pri motion ra	+002		Sec motion ra
Pri motion dec	-002		Sec motion dec
Notes

Nature of this double is uncertain.

Precise pa	89.6		Precise sep	3.31		Constellation	Cygnus		Tycho2	2694-00039-1
Gaia DR2	91961286400

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20355+3450	ES 2307		1999	2	90	3.3	9.76	12.50		D	203530.18+345013.3

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