The Lobster Claw Nebula (Sharpless 157)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 90 arcminutes across.
From South El Monte , the Lobster Claw Nebula will become visible at around 17:48 (PST), 63° above your northern horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 00:26 when it dips 21° above your north-western horizon.
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Name
The Lobster Claw Nebula (Sharpless 157)
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Object type
HII region
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Position
| Right ascension: | 23h16m [1] |
| Declination: | +60°02' [1] |
| Constellation: | Cassiopeia |
| Angular dimensions: | 90.0 arcmin |