Southern Milky Way in Halpha from 6x7 Format Pentax 45mm f/4 lens and FLI Proline PL39000M and FLI Research Grade Filters

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Taken on July 2, 2010 from my ranch in the California Sierra Gold Country

Pentax 6x7 45mm f/4 camera lens used at f/5.6

Finger Lakes CFW 4-5 filter wheel 

Finger Lakes PDF

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

Baader RGB filters (50 x 50mm)  

Takahashi FCT 76 guide scope with Takahashi rings

SBIG ST7ME guide camera

AP1200GTO mount

9 x 15 minutes through Halpha filter

2 hours 15 minutes total exposure

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