Celestron 9.25” F/10 SCT, ST8XE, L:60m, RGB:10m, 2X binned - from urban light-polluted site
M77
Amateur CCD Astronomy
By Richard D. Jacobs, M.D.
By Richard D. Jacobs, M.D.
Celestron 9.25” F/10 SCT, ST8XE, L:60m, RGB:10m, 2X binned - from urban light-polluted site