NGC3939
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Columbus , NGC3939 is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible at around 21:59 (EDT), 55° above your northern horizon. It will be lost to dawn twilight at around 04:55, 33° above your northern horizon.
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Name
NGC3939
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Object type
Duplicate catalogue entry for NGC3890
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Source