LBN 640 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 35 arcminutes across.
From Cambridge , LBN 640 is visible in the dawn sky, becoming accessible around 03:16 (EDT), when it reaches an altitude of 21° above your north-eastern horizon. It will then reach an altitude of 26° before fading from view as dawn breaks at 03:56.
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Name
LBN 640
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Object type
HII region
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