| About the Crescent Nebula | |
| Popular Name | Crescent Nebula |
| Catalogue Name | NGC 6888 |
| Constellation | Cygnus |
| Distance (Light Years) | 5000 |
| Also Seen | Background nebulosity of the Sadr (Gamma Cygni) region. |
| Additional Information | Crescent Nebula is an emission nebula. It is formed by a Wolf-Rayet star WR136 (HD192163) and its stellar winds of different speeds when it became a red-giant star 250,000 to 400,000 years ago. The resulting cloud shows up as a shell of the crescent nebula. |
| Photographic Information | |
| Exposure | 5×600 second, 1×590 second, 11×480 second, 1×402 second, 8×300 second exposures (Total exposure 3 Hrs, 14 Min) |
| Equipment | Astro-Tech AT111, Canon T2i Modified, Orion Starshoot Auto guider, Orion Atlas EQ-G Mount |
| Processing | Deep Sky Stacker, Pixinsight |
| Imaging Location | Adin, CA (Golden State Star Party 2013) |
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