21578+6818 MLB 306

 
 
21h 57m 30.73s +68° 19' 36.2" P.A. 144.00 sep 3.8 mag 11.00,11.00
 
 
Coord 2000 21578+6818 Discov num MLB 306 Comp Coord arcsec 2000 21 57 30.73 +68 19 36.2
Date first 1894 Date last 2016 Obs 11
Pa first 149 Pa last 144.3 P.A. Now (θ) 144.3°
Sep first 3.2 Sep last 3.837 Sep. Now (ρ) 3.837"
Mag pri 11.00 Mag sec 11.00 delta mag (ΔM) 0 Spectral class
Pri motion ra +020 Sec motion ra +048
Pri motion dec +028 Sec motion dec -015
Notes
rPM=1.02
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Gaia DR2 2222784732623962240