RCOS 12.5 inch F/9 RC at F/18 using 2X TelVut Barlow, SBIG ST8XE, L:60m, RGB:5m, 2X binned
Blue Snowball, NGC7662
Amateur CCD Astronomy
By Richard D. Jacobs, M.D.
By Richard D. Jacobs, M.D.
RCOS 12.5 inch F/9 RC at F/18 using 2X TelVut Barlow, SBIG ST8XE, L:60m, RGB:5m, 2X binned