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Taken on June 5, 2004 from Montebello Open Space Preserve near Palo Alto, California.
Omega Centaruri, the greatest globular cluster visible from Earth, is located at -47 Degrees Declination. At time of image, object was just 4 degrees above horizon.
AP180EDT f/9 imaging scope used at F=1620 (f/9)
SBIG ST10XME imaging camera @-20C
FLI CFW1 Filter wheel
FLI DF2 Digital Focuser
Custom Scientific Ha filter 656.3nm/3nm FWHM
30 exposures of 20 seconds (2x2 binned) 10 minutes total exposure time