Sole in CaK e H-alpha

Disco solare ripreso in Ca-K e H-alpha. Strumentazione usata: TS 80 ED F/7, Lunt modulo Ca-K B1200, Lunt LS60THaDS60/PT/B1200, Tele Vue Powermate 2.5x, camera Point Grey Grasshopper3 GS3-U3-28S4M