21073+3857 MLB 889

 
 
21h 07m 18.20s +38° 57' 18.4" P.A. 5.00 sep 7.0 mag 10.20,11.50
 
 
Coord 2000 21073+3857 Discov num MLB 889 Comp Coord arcsec 2000 21 07 18.20 +38 57 18.4
Date first 1933 Date last 2022 Obs 10
Pa first 1 Pa last 5.1 P.A. Now (θ) 5.1°
Sep first 5.8 Sep last 7.01 Sep. Now (ρ) 7.01"
Mag pri 10.20 Mag sec 11.50 delta mag (ΔM) 1.3 Spectral class
Pri motion ra -003 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1872053378212066816