M1 Crab Nebula in Halpha from Stinger 450 Classical Cassegrain and IMG6303E

click image to enlarge, click here for highest resolution

Taken on October 7, 2006 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 CM10 MaxCam imaging camera operated at -20C

Robofocus

Finger Lakes CFW1 Filter wheel

SBIG ST7E guide camera

Custom Scientific 3nm FWHM Ha filter (50mm diameter)

Four exposures of 30 minutes through Halpha filter

Two hours total exposure time

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