(FrameSize = 120' * 120')

NGC6633 = Cr380 = Mel.201 (Open Cluster)
[Ophiuchus]

Jun.4 2000, 24h39mJST(8min. Exposure)
Location: the Senjyogahara, Nikko city, Tochigi pref., Japan
Epsilon210c (21cm-reflector, f=628mm, F:3.0), Fuji-film SGA800

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Object Data

NGC6633 = Cr380 = Mel.201
Type of object	Open Cluster	Type	d
Constellation	Ophiuchus
R.A.	18h 27.5m (2000.0)	Dec.	+06° 34' (2000.0)
Mag.(v)	4.9	Mag.(p)	-
Diameter	20'	Distance	1600 light-year
note	Containing about 65 stars

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