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reprocessed with 2 hours of [OIII] added
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Click image to enlarge, for medium resolution, click here. for highest resolution click here.
Taken on May 26, 2005, July 8, 2005 from Fremont Peak State Park near San Juan Bautista, California and and July 16, 2005 from my backyard in Castro Valley, California
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
3nm FWHM Custom Scientific Ha 50mm AR-Coated filter
3nm FWHM Custom Scientific [SII] 50mm AR-Coated filter
3nm FWHM Custom Scientific [OIII] 50mm AR-Coated filter
3 exposures of 20 minutes through Ha filter
5 exposures of 20 minutes through [SII] filter
6 exposures of 20 minutes through [OIII] filter
4 hours 40 minutes total exposure time