Collinder 21 (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 South El Monte , Collinder 21 will become visible at around 19:59 (PDT), 26° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 24 minutes after the Sun at 22:24.
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Name
Collinder 21
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Object type
Open cluster
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Visibility from South El Monte
All times shown in South El Monte local time.