by Garrett Grainger
Also known as Caldwell 11.
Taken through LB-0003: 14.5-inch (0.37-meter) RC
Optical Systems Ritchey-Chretien reflector with ion-milled optics at f/9.0 on a
Software Bisque Paramount ME German Equatorial mount, Apogee Alta U16M CCD
camera, L/Hydrogen-alpha/Sulfur-II/Oxygen-III image with exposures of 90, 104, 96, and 99 minutes, respectively