Sharpless 2-240 Supernova Remnant Widefield in Halpha

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click image to enlarge. click here for highest resolution

pushed hard with Jim Thibert's photoshop filter

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Taken on January 14, 2005 from my backyard in Castro Valley, Ca

Pentax Takumar 150mm f/2.8 medium format camera lens (stopped down to f/4)

ST10XME imaging camera (self guided) operated at -30C

Finger Lakes DF2 Digital Focuser

Finger Lakes CFW1 Filter wheel

AstroDon 6nm Ha filter (50mm unmounted)

thirteen exposures of 15 minutes

three hours fifteen minutes total exposure time

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