LBN 21 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 18 arcminutes across.
From South El Monte , LBN 21 will become visible at around 20:59 (PDT), 46° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 02:17.
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Name
LBN 21
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Object type
HII region
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