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The Cocoon Nebula is positioned at the end of the dark nebula Pistol (B 168), like a projectile! The star field is 12° E of Deneb of Cygnus, and is very rich in stars of the Milky Way. Many the open clusters visible in the image: M39 at top-right, NGC 7082 at center-right, NGC 7209 on the prolongation of the dark nebula, NGC 7243 at top-left. An erlargemento of the field of Cocoon is visible here.
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| Optics | Photographical objective |
| Focal Lenght | 200 mm |
| Focal Ratio | f/5,6 |
| Exposure Time | 30 min exposure |
| Film | Kodak E200 |
| Developement sensibility | 320 ISO |
| Location | Colle del Nivolet (AO, Italian Alps) at 2600m |
| Date and time of exposure start | 23 july 2001, 1.28 UT |
| Mount | Meade 8" |
| Tracking | ST4 |
| Temperature and humidity | T=+4°C, RH=80% |
| Notes | - |
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