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20183+6526
MLB 219

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20183+6526 MLB 219

20^h 18^m 25.44^s +65° 27' 59.3" P.A. 333.00 sep 2.9 mag 11.34,11.86

Coord 2000	20183+6526		Discov num	MLB 219		Comp			Coord arcsec 2000	20 18 25.44 +65 27 59.3
Date first	1921		Date last	2015		Obs	9
Pa first	338		Pa last	333		P.A. Now (θ)	333°
Sep first	2.8		Sep last	2.9		Sep. Now (ρ)	2.9"
Mag pri	11.34		Mag sec	11.86		delta mag (ΔM)	0.52		Spectral class
Pri motion ra	-009		Sec motion ra	-016
Pri motion dec	-005		Sec motion dec	+011
Notes

rPM=0.899

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	332.7		Precise sep	2.941		Constellation	Draco		Tycho2	4241-01598-2
Gaia DR2	2244920895283311360

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20183+6526	MLB 219		1991	7	331	3.1	11.34	11.86			201825.44+652759.3
20183+6526	MLB 219		2003	8	333	2.9	11.34	11.86			201825.44+652759.3
20183+6526	MLB 219		2012	9	333	2.8	11.34	11.86			201825.44+652759.3
20183+6526	MLB 219		2015	9	333	2.9	11.34	11.86			201825.44+652759.3

If you need more information about this double, apply for a data request form to the WDS.