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| Catalogue and alternative designations |
IC 5146, Cocoon Nebula |
| Type | Emission/Reflection Nebula |
| Position | 21 53.5, +47 16 |
| Constellation | Cygnus |
| Camera and Telescope | QSI 583 WSG, 20cm Maksutov Newtonian courtesy Dean Salman |
| Focal Ratio | F4 |
| Exposure Details | HaRGB 400:120:110:160 with Astrodon series 2 filters |
| Description | Visually,
this interesting nebula is about
12 arc minutes across and about
4000 light years distant.
It is at the end of a dark
nebula Barnard 168. For a
complete description, courtesy
Rob Gendler, see:
http://www.robgendlerastropics.com/Cocoontext.html
|