M16 in Halpha from Stinger 450 Classical Cassegrain and FLI IMG1024S Dream Machine with Custom Scientific 4.5nm Halpha filter

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Taken on April 10, 2008 from my backyard in Castro Valley, Ca.

 

Stinger 450 Classical Cassegrain (18" f/12.6)  

Lumicon Giant Easy Guider with Focal reducer for final: F= 3366mm, f/7.1

Finger Lakes IMG1024S "Dream Machine  imaging camera operated at -37C 

Robofocus

Finger Lakes CFW1 Filter wheel

Custom Scientific 4.5nm Halpha filter

SBIG ST7E guide camera

12 exposures of 10 minutes though Halpha filter

2 hours total exposure time

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