LBN 491 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 13 arcminutes across.
From South El Monte , LBN 491 is visible in the dawn sky, becoming accessible around 21:32 (PDT), when it reaches an altitude of 21° above your north-eastern horizon. It will then reach an altitude of 64° before fading from view as dawn breaks at 04:30.
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Name
LBN 491
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Object type
HII region
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