Collinder 39 (Open 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 , Collinder 39 is difficult to observe as it will appear no higher than 15° above the horizon. It is visible in both the dusk and dawn skies. In the evening, it will become visible at around 20:42 (EDT), 15° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 21:13 when it dips 12° above your north-western horizon. At 04:15, it will return to an altitude of 12° above your north-eastern horizon, and reach an altitude of 14° before fading from view as dawn breaks at around 04:36.
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Name
Collinder 39
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Object type
Open cluster
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Visibility from Cambridge
All times shown in Cambridge local time.