OBJECT: M31 (Andromeda Galaxy's Core)
DATE(S): September, 2011
OPTICS: Dream 16” Corrected Newtonian @F3.75
MOUNT: Chronos HD32 HPO
CAMERA: QSI 583-WSG
GUIDING: Starlight Xpress LodeStar
FIELD SCALE: 0.74 arc seconds per pixel
CHIP TEMP: -20 C
FILTER(S): AstroDon Generation II, RGB
LOCATION: Sierra Remote Observatories, Shaver Lake, CA, 4,610 feet
EXPOSURES: Red (10 min/1 min X 10), Green (10 min/1 min X 10), Blue (10 min/1 min X 10)
BINNING: 1 X 1
CAMERA CONTROL: ACP
PROCESSING: CCDStack, PhotoShop CS5. One minute and 10 minute exposures were combined in CCDStack to increase the dynamic range.