Giant Sunspot AR2456 Posted on 18/05/2016 by philipp These days the large sunspot AR2456 is very prominent on the sun’s disc: Astro-Physics 127mm f/8, TC-14E II, Nikon D750, ISO 80, 1/4000s, f/11, 1400mm Astro-Physics 127mm f/8, TC-14E II, Nikon D750, ISO 80, 1/4000s, f/11, 1400mm Astro-Physics 127mm f/8, TC-14E II, Nikon D750, ISO 80, 1/4000s, f/11, 1400mm Astro-Physics 127mm f/8, Camera=QHY5LII Date=180516 Start=091636.208 Mid=091721.279 End=091806.350 Start(UT)=071636.208 Mid(UT)=071721.279 End(UT)=071806.350 Duration=90.142s Frames captured=979 ROI=1280×960 FPS (avg.)=10 Shutter=0.130ms Gain=474 Histogramm(min)=23 Histogramm(max)=243 Histogramm=95%