LBN 517 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , LBN 517 is visible all night. It will become visible at around 20:58 (EDT), 40° above your north-eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 04:35, 62° above your north-western horizon.
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Name
LBN 517
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Object type
HII region
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Position
| Right ascension: | 23h03m [1] |
| Declination: | +57°06' [1] |
| Constellation: | Cassiopeia |