(FrameSize=120' * 120')

NGC1664 = Cr56 = Mel.27 (Open Cluster)
[Auriga]

Nov.5 1999, 26h22m JST (10min. Exposure)
Location: Mt.Asama, Tsumagoi Village, Gunma pref., Japan
Epsilon210c (21cm-reflector, f=628mm, F:3.0), Fuji-film SGA800

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Object Data

NGC1664 = Cr56 = Mel.27
Type of object	Open Cluster	Type	e
Constellation	Auriga
R.A.	04h 51.0m (2000.0)	Dec.	+43° 42' (2000.0)
Mag.(v)	7.5	Mag.(p)	-
Diameter	15'	Distance	6200 light-year
note	Containing about 40 stars

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