The Cave Nebula (Sharpless 155)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 60 arcminutes across.
From South El Monte , the Cave Nebula is visible in the dawn sky, becoming accessible around 21:58 (PDT), when it reaches an altitude of 21° above your north-eastern horizon. It will then reach an altitude of 60° before fading from view as dawn breaks at 04:29.
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Name
The Cave Nebula (Sharpless 155)
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Object type
HII region
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Position
| Right ascension: | 22h56m [1] |
| Declination: | +62°37' [1] |
| Constellation: | Cepheus |
| Magnitude: | 7.70 (V) [2] |
Sources