The Alpha Persei Cluster (Melotte 20)
From Cambridge , the Alpha Persei Cluster is visible all night. It will become visible at around 17:01 (EST), 30° above your north-eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 05:55, 22° above your north-western horizon.
Name
The Alpha Persei Cluster (Melotte 20)
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Object type
Open cluster
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All times shown in Cambridge local time.