September 4, 2018H-alpha Sun – September 4, 2018 Scroll down to content Some H-alpha images of the Sun from a short imaging session. Some nice prominences are observed, but nothing out of the ordinary. We are at the Solar minimum. 150mm F/5 refractor, Quark chromosphere, ASI 174MM. Seeing 6/10. Share this:TwitterFacebookLike Loading... Related Published by maxpho An amateur...photographer, astronomer, entomologist...just an amateur ;) View all posts by maxpho