TelVue 60mm F/6 ED refractor, Coronado 60mm H-alpha filter, Canon EOS digital SLR
A
Solar Prominences, H-alpha light
Amateur CCD Astronomy
By Richard D. Jacobs, M.D.
By Richard D. Jacobs, M.D.
TelVue 60mm F/6 ED refractor, Coronado 60mm H-alpha filter, Canon EOS digital SLR
A