Celestron 9.25” F/10 SCT, SBIG ST8XE, L:60m, RGB: 5m, 2X bin
M100
Amateur CCD Astronomy
By Richard D. Jacobs, M.D.
By Richard D. Jacobs, M.D.
Celestron 9.25” F/10 SCT, SBIG ST8XE, L:60m, RGB: 5m, 2X bin