White-light photomosaic of sunspots 12553 and 12554 (right) captured with a 100mm f5 Helios refractor and vesta pro webcam. Motorised EQ1 Mount and Baader solar filter. Prime focus.
White-light image of sunspots 12553 and 12554 (right) captured with a 100mm f5 Helios refractor and vesta pro webcam. Motorised EQ1 Mount and Baader solar filter. DIY Focal reducer.
