LDN 640 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 76 arcminutes across.
From South El Monte , LDN 640 is visible in the morning sky, becoming accessible around 22:45, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 03:10, 60° above your southern horizon. It will be lost to dawn twilight around 04:26, 55° above your south-western horizon.
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Name
LDN 640
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Object type
Dark nebula
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