The Cocoon Nebula (IC5146)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , the Cocoon Nebula will become visible at around 17:56 (PST), 55° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:21.
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Name
The Cocoon Nebula (IC5146)
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Object type
Open cluster
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Position
| Right ascension: | 21h53m [2] |
| Declination: | +47°16' [2] |
| Constellation: | Cygnus |
| Magnitude: | 10.00 (V) [4] 7.82 (B) [2] |
| Angular dimensions: | 10.0 arcmin x 10.0 arcmin |
| Distance: | 852.0 parsec 2777.5 lightyrs [1] |
| B-V Color (mag): | 0.62 |
Derived quantities
| Absolute mag (V): | 0.35 |
Sources