12420-2202 DON 547

Coord 2000	12420-2202		Discov num	DON 547		Comp			Coord arcsec 2000	12 41 56.69 -22 01 35.7
Date first	1932		Date last	2015		Obs	5
Pa first	70		Pa last	69		P.A. Now (θ)	69°
Sep first	2.2		Sep last	2.6		Sep. Now (ρ)	2.6"
Mag pri	11.81		Mag sec	12.80		delta mag (ΔM)	0.99		Spectral class
Pri motion ra	-037		Sec motion ra	+021
Pri motion dec	-005		Sec motion dec	+022
Notes	N (See Notes)

rPM=1.714 This double is not physical.

Precise pa	68.8		Precise sep	2.575		Constellation	Corvus		SAO	181031
Tycho2	6110-01128-1		Gaia DR2	3502897574825538432

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12420-2202	DON 547		1940	2	70	2.3	11.81	12.80		N	124156.69-220135.7
12420-2202	DON 547		2000	3	69	2.5	11.81	12.80		N	124156.69-220135.7
12420-2202	DON 547		2015	5	69	2.6	11.81	12.80		N	124156.69-220135.7

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