LBN 721 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 12 arcminutes across.
From Cambridge , LBN 721 will become visible at around 20:20 (EDT), 35° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:37.
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Name
LBN 721
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Object type
HII region
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