May 28, 2018May 30, 2018Sun in H alpha – May 28, 2018 Scroll down to content Some H-alpha activity today, imaged with the 150mm homemade refractor. A nice large prom: And two active regions, one visible only in H-alpha: Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading... Related Published by maxpho An amateur...photographer, astronomer, entomologist...just an amateur ;) View all posts by maxpho