18549+6911 WFC 215

 
 
18H 54M 55.23S +69 11' 11.7" P.A. 254 SEP 3.9 MAG 10.10,10.22
 
 
Coord 2000
18549+6911
Discov num
WFC 215
Comp
Coord arcsec 2000
18 54 55.23 +69 11 11.7
Date first
1893
Date last
2006
Obs
7
Pa first
249
Pa last
254
P.A. Now (θ)
254°
Sep first
3.6
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
10.10
Mag sec
10.22
delta mag (ΔM)
0.12
Spectral class
Pri motion ra
+013
Sec motion ra
-022
Pri motion dec
+014
Sec motion dec
+003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
Tycho2
4431-01328-1
last precise pa
254.1
last precise sep
3.926