Hickson 21 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , Hickson 21 is visible between 19:10 and 23:48. It will become accessible at around 19:10, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 21:29, 30° above your southern horizon. It will become inaccessible at around 23:48 when it sinks below 21° above your south-western horizon.
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Name
Hickson 21
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Object type
Galaxy cluster
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Visibility from Cambridge
All times shown in Cambridge local time.