Barnard 20 (Dark nebula)
From Cambridge , Barnard 20 will become visible at around 20:49 (EDT), 34° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 22:22 when it dips 21° above your north-western horizon.
Name
Barnard 20
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Object type
Dark nebula
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All times shown in Cambridge local time.