LDN 1240 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 21 arcminutes across.
Finder chart
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From South El Monte , LDN 1240 is visible in both the dusk and dawn skies. In the evening, it will become visible at around 19:57 (PDT), 23° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 20:12 when it dips 21° above your north-western horizon. At 04:54, it will return to an altitude of 21° above your northern horizon, and reach an altitude of 27° before fading from view as dawn breaks at around 06:02.
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Name
LDN 1240
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Object type
Dark nebula
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Visibility from South El Monte
All times shown in South El Monte local time.