20305+3540 SEI 1142

 
 
20h 30m 28.65s +35 39' 54.4" P.A. 78.00 sep 21.7 mag 10.43,9.69
 
 
Coord 2000 20305+3540 Discov num SEI1142 Comp Coord arcsec 2000 20 30 28.65 +35 39 54.4
Date first 1896 Date last 2015 Obs 15
Pa first 77 Pa last 78 P.A. Now (θ) 78°
Sep first 22.2 Sep last 21.653 Sep. Now (ρ) 21.653"
Mag pri 10.43 Mag sec 9.69 delta mag (ΔM) 0.74 Spectral class
Pri motion ra +002 Sec motion ra +001
Pri motion dec -004 Sec motion dec -010
Notes
rPM=0.605
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2697-01376-1 Gaia DR2 2056781605234000256