M101 RGB
The Cottage Observatory
Target: M101 (RGB/SBIG ST-8300M)
Imaging Scope: Astro-Tech 8" Imaging Newtonian w/Baader Coma Corrector @ prime focus
Mount: Celestron CGE Pro
Imager: SBIG ST-8300M @ -10C below ambient w/Hutech IDAS filter
Guiding: 2 second guide exposures using a SSAG through a Stellarvue SV66ED
Software: acquisition - MaxIm DL 5, processing - CCDSoft & Adobe Photoshop
Exposure Information: 18 x 5 minutes binned at 1x1 using a Baader Red filter.
18 x 5 minutes binned at 1x1 using a Baader Blue filter. 14 x 5 minutes binned at
1x1 using a Baader Green filter. All exposures were dithered.
Dark and Flats applied.
Comments: Pretty transparent skies. It was pretty windy.
SBIG ST-8300M,Astro-Tech 8 Inch Imaging Newtonian
All Images Copyright by Bill Worley