M31 LRGB from AP155EDF f/7 and FLI Proline 39000C and FLI Proline 16803 with Baader IR Blocking Luminance filter

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Taken on July 18, 24, 31, 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

Finger Lakes Proline 16803 monochrome camera

Baader Planetarium 50 x 50 mm square IR blocking luminance filter used wtih color acquisition

No filter used for Luminance acquisition

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

SBIG ST7ME guide camera

AP1200GTO mount

24 x 15 minutes color data

45 x 5 minutes luminance data

9 hours 45 minutes total exposure time

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