Antares and Rho Ophiuchus Region Widefield in Halpha, Green and Blue

 

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Taken June 11, 2005 from Fremont Peak State Park, near San Juan Bautista, 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 (first light testing!)

Takahashi FCT-76 guide scope

SBIG ST7E guide camera

Custom made camera mounting frame (first light testing!)

Custom Scientific 3nm Ha filter (50mm unmounted)

Optec IR-Blocking Green and  Blue filters (50mm unmounted)

four exposures of 15 minutes for Halpha

six exposures of 5 minutes for Blue

ten exposures of 3 minutes for Green

Two hours total exposure time

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