Sharpless 181 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 15 arcminutes across.
From Cambridge , Sharpless 181 is visible all night because it is circumpolar. It will be highest in the sky shortly before dawn, when it will be lost to twilight at around 04:16, 35° above your north-eastern horizon. At dusk, it will become visible at around 21:03 (EDT), 19° above your northern horizon.
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Name
Sharpless 181
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Object type
HII region
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Position
| Right ascension: | 00h49m [1] |
| Declination: | +65°12' [1] |
| Constellation: | Cassiopeia |