Object Information:

 

NGC 6888, The Crescent Nebula

 

The Crescent Nebula is an emission nebula which is believed to have been formed from the stellar wind from the bright Wolf-Rayet near the center of the nebula that is presently colliding with slower moving stellar material from the same star ejected during an earlier red giant phase.

  Imaged at: 

 

Mt. Laguna, San Diego County, California.

  Equipment:  

 

Optics - Takahashi Epsilon 160 f/3.3
Mount - Astro-Physics 1200 GTO,
Camera - Santa Barbara Instrument Group (SBIG) ST-2000XM,

Filters - Astrodon CRGB "I - Series"

  Exposure Information:

 

June 5, 2005, 

An RGB image with 36 minutes per color channel.

  Camera Control Software:

 

CCD Soft Ver. 5,

  Image Processing Software:

 

Mira 7, Photoshop CS.