M16 Widefield in (Ha+R)GB 

(Ha+R)GB

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Ha (luminance) applied to  (Ha+R)GB

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Taken on June 2 - 4, 2005 from my backyard in Castro Valley, Ca.

AP180EDT f/9 imaging scope used at f/6.75

AP 0.75x Telecompressor

FLI IMG6303E imaging camera @ -35C

AP80/900mm guidescope

SBIG ST7E guide camera

FLI CFW7 color filter wheel

Optec IR-Blocking RGB filters

Custom Scientific 3nm FWHM Halpha Filter

6 exposures of five minutes through Red, Green and Blue filters

9 exposures of 20 minutes through Cust Sci Halpha filter

4.5 hours total exposure time

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