Image Link

Photographer Dean Jacobsen

Optics Used

Camera Used

Settings / Equipment Celestron C-11 f/10 OTA, focal length reduced to f/3.3 with Optec MAXfield focal reducer, Losmandy G-11 mount, SBIG ST-7 CCD operating in high resolution mode, 20 minutes exposure, self-guided by the ST-7 camera

Location OCA observing site, Anza, CA

Date / Time


Additional Information Image processing: Initial image calibration, log scaling of image, and image sharpening performed by SBIG's CCDOPS for Windows. DDP (Digital Development Processing) feature of MaxIm DL used to enhance detail. Conversion to JPEG format by Photoshop 5.0.