20415+6710 MLB 300

 
 
20h 41m 30.28s +67 09' 13.1" P.A. 18 sep 1.7 mag 11.10,12.27
 
 
Coord 2000
20415+6710
Discov num
MLB 300
Comp
Coord arcsec 2000
20 41 30.28 +67 09 13.1
Date first
1923
Date last
1991
Obs
2
Pa first
16
Pa last
18
P.A. Now (θ)
18°
Sep first
2.8
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
11.10
Mag sec
12.27
delta mag (ΔM)
1.17
Spectral class
Pri motion ra
-025
Sec motion ra
-025
Pri motion dec
-059
Sec motion dec
-059
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
18.2
Precise sep
1.71
Constellation
Cepheus
Tycho2
4258-00471-1
Gaia DR2
47401970560
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20415+6710 MLB 300 1991 2 18 1.7 11.10 12.27 204130.28+670913.1

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