Barnard 21 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Cambridge , Barnard 21 will become visible at around 21:09 (EDT), 26° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 21:55 when it dips 21° above your north-western horizon.
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Name
Barnard 21
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Object type
Dark nebula
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Position
| Right ascension: | 04h37m [1] |
| Declination: | +55°21' [1] |
| Constellation: | Camelopardalis |
Sources