LDN 999 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 150 arcminutes across.
Finder chart
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From Cambridge , LDN 999 will become visible at around 17:24 (EST), 68° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 22:41 when it dips 21° above your north-western horizon.
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Name
LDN 999
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Object type
Dark nebula
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Visibility from Cambridge
All times shown in Cambridge local time.