This comes from the very first video recorded with my brand new ASI174MM using oaCapture and processed with AutoStakkert and Lightroom, all in my Mac under elCapitan.
The telescope used was an old Synta achromat 120f5 with a Coronado Solarmax 40mm filter. Great results for such a tiny filter...disco solar Hα 04/05/2016
by Jordi Sesé
, on Flickr
Regards from Barcelona (Spain),