NGC7000 "Gulf Region" in [SII], Halpha and [OIII] from FLI Proline PL16803 and FLI [SII], Ha and [OIII] 50 x 50 mm square filters

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Taken on August 1 and 14, 2009 from my ranch in the California Gold Country

Astro-Physics AP155EDF f/7 used with 4" field flattener 

Finger Lakes CFW 4-5 filter wheel 


Finger Lakes Proline 16803 monochrome camera

FLI Halpha filter

FLI [SII] filter


Astro-Physics 80/900mm guide scope with adjustable rings

SBIG ST7ME guide camera

AP1200GTO mount

5 x 15 minutes Halpha data

11 x 15 minutes [OIII] data

13 x 15 minutes [SII] data

seven hours 15 minutes total exposure time

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