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Taken on November 30, 2006 from my backyard in Castro Valley, California
Stinger
450 Classical Cassegrain (18" f/12.6) ![]()
Click
here to see wider field color view: ![]()
Click
here to see widefield view: ![]()
Lumicon Giant Easy Guider with Focal reducer for final: F= 3366mm, f/7.1
Finger Lakes IMG1024S Dream Machine imaging camera operated at -40C
Robofocus
Finger Lakes CFW1 Filter wheel
SBIG ST7E guide camera
Custom Scientific 3nm FWHM Ha filter (50mm diameter)
7 exposures of 30 minutes through Halpha filter
3.5 hours total exposure time