Markarian 840 (Galaxy cluster)
From Cambridge , Markarian 840 is visible all night. It will become visible at around 20:50 (EDT), 24° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 01:33, 62° above your southern horizon. It will be lost to dawn twilight at around 04:32, 42° above your south-western horizon.
Name
Markarian 840
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Object type
Galaxy cluster
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All times shown in Cambridge local time.