NGC7635 Bubble Nebula and M52 Open Cluster from AP180EDT f/9 and FLI PL39000C

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taken on May 15,  2009 from my ranch in Mariposa County, California 

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AP180EDT f/9 imaging scope used with AP 2.7" Field flattener

Finger Lakes CFW 4-5 filter wheel 

Finger Lakes Proline 39K color camera

Baader Planetarium 50 x 50 mm square IR blocking luminance filter

Robofocus

AP 80/900 mm guide scope

SBIG ST7ME guide camera

AP1200GTO mount

17 x 15 minutes data

4 hours 15 minutes total exposure

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