Collinder 21 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , Collinder 21 is visible in the evening sky, becoming accessible around 17:27 (EST), 39° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:24, 74° above your southern horizon. It will continue to be observable until around 03:00, when it sinks below 21° above your western horizon.
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Name
Collinder 21
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Object type
Open cluster
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Position
| Right ascension: | 01h50m [1] |
| Declination: | +27°05' [1] |
| Constellation: | Triangulum |
| Magnitude: | 7.30 (V) [1] |