20491+3148 ES 370

 
 
20h 49m 05.66s +31° 48' 30.5" P.A. 44.00 sep 7.7 mag 10.65,14.80
 
 
Coord 2000 20491+3148 Discov num ES  370 Comp Coord arcsec 2000 20 49 05.66 +31 48 30.5
Date first 1906 Date last 2015 Obs 8
Pa first 39 Pa last 43.7 P.A. Now (θ) 43.7°
Sep first 5.8 Sep last 7.703 Sep. Now (ρ) 7.703"
Mag pri 10.65 Mag sec 14.80 delta mag (ΔM) 4.15 Spectral class
Pri motion ra -009 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2687-00958-1 Gaia DR2 1859861271727036544