Sunspots 11504, 11505, 11506 and 11507 captured with a 100mm refractor and Vesta pro webcam. (DIY) Solar filter + IR-cut filter. (green, red and calcium k line filter also used for some images)
Sunspots 11504, 11506 (top) and 11507 (bottom) captured with a 100mm refractor and Vesta pro webcam. (DIY) Solar filter + IR-cut filter.
Sunspots 11504, 11506 (top) and 11507 (bottom) captured with a 100mm refractor and Vesta pro webcam. (DIY) Solar filter + Green filter + IR-cut filter.
