M31 RGB from AP155EDF f/7 and PL39000C with Baader luminance filter

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Taken on July 18 and 24, 2009 from my ranch in the California Gold Country

Astro-Physics AP155EDF f/7 used with 4" field flattener 

Finger Lakes CFW 4-5 filter wheel 

Robofocus

Finger Lakes Proline 39K color camera

Baader Planetarium 50 x 50 mm square IR blocking luminance filter

Astro-Physics 80/900mm guide scope with adjustable rings

SBIG ST7ME guide camera

AP1200GTO mount

24 x 15 minutes data

6 hours total exposure time

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