M33 - Spiral Galaxy in Triangulum
by Bob and Janice Fera
William Optics 4" f/8 Refractor
SBIG ST-10XE CCD Camera
Astrodon filters
LRGB composite (180,60,60.60 min)
Sub-exposures: L-15 min, RGB-10 min
Processed in CCDOps, MaxIm/DL (with RC-Astro plug-in), PixInsight LE and Adobe Photoshop
Taken October 6, 8, 2005 from Eagle Ridge Observatory, Foresthill, CA