Celestron 9.25 inch F/10 SCT, SBIG ST-8E, L:30m, RGB: 5m 2X binned - from a light-polluted urban site
NGC2438 in M46
Amateur CCD Astronomy
By Richard D. Jacobs, M.D.
By Richard D. Jacobs, M.D.
Celestron 9.25 inch F/10 SCT, SBIG ST-8E, L:30m, RGB: 5m 2X binned - from a light-polluted urban site