NGC7000 Widefield Region in Halpha from Pentax 6x7 format 300mm ED(IF) lens and FLI Proline PL39000M with FLI Research Grade Halpha filter

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Taken on May 30, 2010 from my ranch in Mariposa County, Ca.

Pentax 6x7 300mm f/4 ED(IF) camera lens used at f/4 

Finger Lakes CFW 4-5 filter wheel 

Finger Lakes PDF

Finger Lakes Proine PL39000M camera operated at -30C with RBI annihilator enabled

FLI Research Grade Halpha filter (50 x 50mm)  

Takahashi FCT 76 guide scope with Takahashi rings

SBIG ST7ME guide camera

AP1200GTO mount

18 x 15 minutes Halpha

4.5 hours total exposure (taken in one session)

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