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 South El Monte , LDN 840 is visible in the evening sky, becoming accessible around 19:56 (PDT), 76° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:01, 88° above your northern horizon. It will continue to be observable until around 02:43, when it sinks below 21° above your north-western horizon.
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Name
LDN 840
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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.