IC1318 Nebula in [SII], [NII] and Ha light

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RGB= [SII], [NII], Ha

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RGB= Ha, [NII], [SII]

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Ha + [NII] + [SII] = Greyscale

Taken on May 29, 2004 in my backyard in Castro Valley, Ca.

AP180EDT f/9 imaging scope used at F=1620 (f/9) (first light for deep sky)

AP80/900mm guide scope

AP1200GTO mount

FLI IMG1024S  imaging camera @-35C

FLI CFW1 Filter wheel

FLI DF2 Digital Focuser

ST7E guide camera @ -15C

Custom Scientific [NII] filter 658.4nm/ 3nm FWHM

Custom Scientific [SII] filter 673.4.7nm/3nm FWHM

Custom Scientific Ha filter 656.3nm/3nm FWHM

Three exposures of 600 seconds for Ha, [SII] and [NII]

Total exposure time 1 hours 30 minutes

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