M42 Orion Nebula widefield in Near IR, [SII] and Halpha

click on image to enlarge, click here for highest resolution

Near IR = Red, [SII] = Green, Halpha = Blue

Taken on January 30, 2005 from my backyard in Castro Valley, Ca.

AP180EDT f/9 used at f/6.75

AP 0.75x Telecompressor

FLI IMG6303E imaging camera @ -40C

AP80/900mm guidescope

SBIG ST7E guide camera

FLI CFW1 color filter wheel

AstroDon 6nm FWHM Halpha filter

AstroDon 6nm FWHM [SII] filter

Near IR filter

100 exposures of 100 sec through Near IR filter

25 exposures of 60 sec through Astrodon Halpha filter

25 exposures of 60 sec through Astrodon [SII] filter

75 minutes total exposure time

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