IC5070 Pelican Nebula in [SII], Halpha and [OIII] Light

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[SII], Ha, [OIII] = R G B

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Taken on July 6 & 8, 2004 from my backyard in Castro Valley, California

AP180EDT f/9 imaging scope used at F=1215 (f/6.75)

AP 0.75x photo/visual telecompressor

AP80/900mm guide scope

AP1200GTO mount

SBIG ST10XME  imaging camera @-26C

FLI CFW1 Filter wheel

FLI DF2 Digital Focuser

ST7E guide camera @ -22C

Custom Scientific Narrowband Emission Line Filter

   Sulfur II                        673.4nm  3nm FWHM

   Hydrogen alpha        656.3nm  3nm FWHM 

   Oxygen III                    500.7nm  3nm FWHM 

Six exposures of 600 seconds though  [SII], Halpha and [OIII] filters

three hours total exposure

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