NGC2244 Rosette Nebula in Halpha with RGB from Pentax medium format 300mm f/4 Lens and FLI IMG6303E with Custom Scientific Halpha and Optec RGB filters

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Taken on November 22, 2007 from my ranch near Mariposa, Ca.

(full moon conditions)

Pentax Takumar 300mm f/4 medium format camera lens  (used at f/4)

Finger Lakes IMG6303E imaging camera operated at -26C

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 4.5nm Ha filter, 50 mm unmounted

Optec RGB filters, 50 mm unmounted

12 exposures of 20 minutes for Halpha

12 exposures of 5 minutes each for Red, Green, Blue

7 hours total exposure time

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