September 14, 2018September 14, 2018H-alpha Sun – September 14, 2018 Scroll down to content Testing a new scope today, another achromat refractor with a 6inch diameter. It seems that it is a good instrument for H-alpha solar images. Luckily some large proms were present of the Sun’s limb, but the seeing was not so great… Share this:TwitterFacebookLike this:Like Loading... Related Published by maxpho An amateur...photographer, astronomer, entomologist...just an amateur ;) View all posts by maxpho