Comet 17P Holmes | Gregg Ruppel

Photographer
Gregg Ruppel
Email
ruppelgl@slu.edu
Location of photo
Ellisville, MO
Date/Time of photo
10/27/2007
Equipment
Celestron C8 with an ST2000XM camera
Description
Twenty exposures of 30 seconds each through RGB filters combined to synthezize a luminance layer. Larson Sekanina rotational gradient filter (5%) applied to luminance and combined with the color image.
Website
www.ruppel.darkhorizons.org