AstroPhysics 130mm F/6 apochromat, SBIG ST-8XE, L:30m, CMY:5m from a badly light-polluted site.
M11 Wild Duck Cluster
Amateur CCD Astronomy
By Richard D. Jacobs, M.D.
By Richard D. Jacobs, M.D.
AstroPhysics 130mm F/6 apochromat, SBIG ST-8XE, L:30m, CMY:5m from a badly light-polluted site.