IC1805, IC1848, IC1795 Nebular Region Widefield in [SII], Halpha, and [OIII]

click image to enlarge, click here for maximum resolution

selected as Astronomy Picture of the Day for August 10, 2005

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Taken on August 5 and 6th, 2005 from my backyard in Castro Valley, California

Pentax Takumar 200mm f/4 medium format camera lens

Finger Lakes IMG6303E imaging camera operated at -35C

Finger Lakes DF2 Digital Focuser

Finger Lakes CFW7 Filter wheel

Takahashi FCT-76 guide scope

SBIG ST7E guide camera

Custom made camera mounting frame 

Custom Scientific 3nm Ha filter (50mm unmounted)

Custom Scientific 3nm [OIII] filter (50mm unmounted)

four exposures of 30 minutes for Halpha

four exposures of 20  minutes for [OIII]

seven exposures of 30 minutes for [SII]

Six hours 50 minutes total exposure time

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