Object Information:

  The California Nebula (NGC 2237),
  Object Type - Emission nebula,
  Constellation - Perseus,

  Imaged at: 

  San Diego Astronomy Association site near Tierra del Sol, San Diego County,

  California;
  Elevation - 4000 feet

  Equipment:  

  Optics - Takahashi E-160 Newtonian astrograph f/3.3
  Mount - Losmandy G-11,
  Camera - Nikon FM2,                                                
  Filter - none,

  Exposure Information:

  December 17, 2001
  A combination of three, 35 minute guided exposures using the SBIG STV,  

  Film - Kodak Ektachrome E 200, push processed 1 stop

  Camera Control Software:

  N/A

  Image Processing Software:

  RegiStar, Photoshop 6.01

Image Processing Steps:  1)  All negatives were scanned with a Polaroid Sprint Scan 4000 at 4000 dpi;  2)  All digitized images were then registered and combined using RegiStar, the "average" combination method was used; 3) The combined image was then processed and converted to JPEG format using Photoshop 6.01.