20521+4438 HER 18

 
 
20h 52m 03.78s +44° 37' 28.9" P.A. 85.00 sep 60.7 mag 17.00,17.00
 
 
Coord 2000 20521+4438 Discov num HER  18 Comp Coord arcsec 2000 20 52 03.78 +44 37 28.9
Date first 1960 Date last 2015 Obs 7
Pa first 80 Pa last 85.1 P.A. Now (θ) 85.1°
Sep first 40.0 Sep last 60.735 Sep. Now (ρ) 60.735"
Mag pri 17.00 Mag sec 17.00 delta mag (ΔM) 0 Spectral class
Pri motion ra -006 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2163147741628918400