Celestron 9.25” F/10 SCT, SBIG ST8XE, L:60m, RGB:15m, 2X binned
Triid Nebula, M20
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:15m, 2X binned