RCOS 24 inch F/8 RC, AltaU CCD, L:30mins, RGB:5mins, 2X binned
Owl Nebula, M97
Amateur CCD Astronomy
By Richard D. Jacobs, M.D.
By Richard D. Jacobs, M.D.
RCOS 24 inch F/8 RC, AltaU CCD, L:30mins, RGB:5mins, 2X binned