Barnard 23 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , Barnard 23 is visible in the dawn sky, rising at 01:55 (PDT) – 3 hours and 58 minutes before the Sun – and reaching an altitude of 30° above the eastern horizon before fading from view as dawn breaks at around 04:45.
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Name
Barnard 23
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Object type
Dark nebula
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Sources