Decaying Plage and a Filament - 17th March

Double stacking the Coronado SM90 with a Daystar Quark works well to really narrow the bandwidth and bring out the contrast in hydrogen alpha images.  This has the effect of making the filament much darker but also bringing out the brighter plage from the remains of a previous active region.  Taken with the FLIR GH3 ICX814 camera.