Markarian 17 (Galaxy cluster)
From Cambridge , Markarian 17 will become visible at around 20:52 (EDT), 68° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 03:08 when it dips 21° above your north-western horizon.
Name
Markarian 17
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Object type
Galaxy cluster
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All times shown in Cambridge local time.