LBN 640 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 35 arcminutes across.
Finder chart
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From Cambridge , LBN 640 is visible all night. It will become visible at around 17:23 (EST), 56° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:36, 78° above your northern horizon. It will continue to be observable until around 04:07, when it sinks below 21° above your north-western horizon.
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Name
LBN 640
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Object type
HII region
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Visibility from Cambridge
All times shown in Cambridge local time.