M 101

 

 

 Object M101 Pinwheel Galaxy
 Date

Luminance - February, 2004

RGB - March, 2002

 Special Info Mark Jenkins and Trent Kjell
 Telescope

Astro-Physics FastMax 235 mak / newt @ f4.3

 Astro-Physics 10" mak / cas @ f9 (lum) 

 Camera  SBIG ST-10XE Class 1 & 0 / SBIG CFW-8 Color Filter Wheel w/Custom Scientific Hydrogen Alpha Filter.
 Other Equipment  RoboFocus & bracket / Optec TCF-S Digital Focuser
 Technique  LRGB:7,4,2,5 hours@ 1x1
 Software  Maxim DL/CCD Photoshop 8