Horsehead Nebula RGB

Subject:	Horsehead Nebula in Orion.
Telescope:	Celestron 8" with f/6.3 focal reducer
Mount:	Losmandy G-11
Imager:	SBIG ST-7 CCD Non-E Non-ABG
Image Details:	An RGB composite image using SBIG color filter wheel. R:3x10min G:3x10min B:3x24min, self guided. A dark frame was subtracted from each image. February 12, 2000. This nebula requires much longer integrations to saturate properly...maybe another moonless night...

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