Canon 6Da, ef 500mm f4, Heq5 pro, Hutech IDAS LPS-D1 filter; iso 800, f4, 15 x 30s & 60 x 300s (Dubbelcluster) Canon 6Da, ef 500mm f4, Heq5 pro, Hutech IDAS LPS-D1 filter; iso 16 00, f4, 28 x 120s (Komeet C/2017 … Lees verder Komeet C/2017 T2 (PANSTARRS) & Dubbelcluster