LDN 399 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 61 arcminutes across.
From South El Monte , LDN 399 will become visible at around 17:58 (PST), 31° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 20:57.
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Name
LDN 399
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Object type
Dark nebula
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