(FrameSize= 120' * 120')

NGC6939 = Cr423 = Mel.231 (Open Cluster) :the cluster located to upper right of center,
NGC6946 (Galaxy) :the galaxy located to lower left of center.
[Cepheus]

Jul.29 2000, 24h46mJST (8min. Exposure)
Location: Hoshino, Tochigi city, Tochigi pref., Japan
Epsilon210c (21cm-reflector, f=628mm, F:3.0), Fuji-film SGA800


(FrameSize= 120' * 120')

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Object Data

NGC6939 = Cr423 = Mel.231
Type of object	Open Cluster	Type	g
Constellation	Cepheus
R.A.	20h 31.4m (2000.0)	Dec.	+60° 38' (2000.0)
Mag.(v)	10.0	Mag.(p)	-
Diameter	5'	Distance	16000 light-year
note	Containing about 80 stars
NGC6946
Type of object	Galaxy	Type	Sc
Constellation	Cepheus
R.A.	20h 35.0m (2000.0)	Dec.	+60° 08' (2000.0)
Mag.(v)	-	Mag.(p)	9.7
Diameter	9.0'*7.5'	Distance	-
note	-

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