The Crescent Nebula
NGC 6888
The Crescent Nebula is located in the constellation of Cygnus. This emission nebula was formed by the stellar winds associated with it's massive Wolf-Rayet central star. Wolf-Rayet stars are very hot, very massive stars with a high rate of mass loss. This image is in Hydrogen Alpha. There is an interesting feature to the lower right of the Crescent nebula. Click Here for a cropped view of this bubble like feature. |
| Telescope: Astro-Physics 160mm EDF f7.5 @ f7.7 | Designation: NGC 6888 or Caldwell |
Mount: Astro-Physics AP1200GTO |
Constellation: Cygnus |
| Camera: Apogee U16M with Gen II Astrodon Filters | Distance: Approx 5000 Light Years |
| Guiding: SBIG ST402 via Mini Borg 60mm | Type: Emission Nebula |
| Exposure: 280 minutes, 14 x 20 Ha | Position: R.A. 20 hr 12 min , Dec +280 21' |
| Processed using CCDStack, PhotoShop CS3 | Date: 1 & 2 August 2008 |
| Acquisition: CCDAutopilot/CCDSoft/The Sky 6/M1OASYS | Location: Deerlick Astronomy Village |