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NGC457 = Cr12 = Mel.7 (Open Cluster)
[Cassiopeia]

Dec.12 1998, 20h02mJST (8min. Exposure)
Location: the Kasuo Pass, Awano town, Tochigi pref., Japan
Epsilon210c (21cm-reflector, f=628mm, F:3.0), Fuji-film SGA800

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Object Data

NGC457 = Cr12 = Mel.7
Type of object	Open Cluster	Type	e
Constellation	Cassiopeia
R.A.	01h 19.1m (2000.0)	Dec.	+58° 20' (2000.0)
Mag.(v)	7.5	Mag.(p)	-
Diameter	10'	Distance	22000 light-year
note	Containing about 100 stars

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