LDN 840 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 19 arcminutes across.
Finder chart
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From Cambridge , LDN 840 is visible in the dawn sky, rising at 23:05 (EDT) and reaching an altitude of 58° above the eastern horizon before fading from view as dawn breaks at around 05:13.
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Name
LDN 840
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Object type
Dark nebula
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Visibility from Cambridge
All times shown in Cambridge local time.