OBJECT: SH2-155 (Cave Nebula)
DATE(S): September, 2011
OPTICS: Dream 16” Corrected Newtonian @F3.75
MOUNT: Chronos HD32 HPO
CAMERA: QSI 683-WSG
GUIDING: Starlight Xpress LodeStar
FIELD SCALE: 0.74 arc seconds per pixel
CHIP TEMP: -25 C
FILTER(S): AstroDon Generation II, 3nm Ha,OIII,SII
LOCATION: Sierra Remote Observatories, Shaver Lake, CA, 4,610 feet
EXPOSURES: Ha (10 min X 30), OIII (10 min X 30), SII (10 min X 30)
BINNING: 1 X 1
CAMERA CONTROL: ACP
PROCESSING: CCDStack, PhotoShop CS5.