NGC7000 + Pelican Nebula widefield in [SII], Halpha and [OIII]: FSQ106/IMG6303E combo first light

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Halpha only (4 x 5 minutes)

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Taken on August 19 - 21, 2004 from my backyard in Castro Valley, California

Takahashi FSQ106  f/5 (F=530mm) imaging scope

Finger Lakes IMG6303E imaging camera at -37C

AP80/900MM guide scope

SBIG ST7E guide camera at -15C

Finger Lakes CFW1 filter wheel

AP900GTO mount

Finger Lakes DF2 Focuser

Custom Scientific 50mm Narrowband Emission Line filters (AR Coated)

   [Sulfur II]                      673.4nm 3nm FWHM           

   Hydrogen alpha        656.3nm  3nm FWHM 

   [Oxygen III]                 500.7nm 3nm FWHM   

7 exposures of 5 minutes for Ha, 8 exposures of 5 minutes for [SII], 8 exposures of 5 minutes for [OIII]

one hour and fifty five minutes total exposure time

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