Photosites of Karel Odink photo @ odink.ch
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M20, Trifid nebula, ↕ 5000 LY, Ø 28', ☼ 9, 900 mm, ƒ4.5, Gain 120, 45x4 min Ha+OIII, # 12x8 mm, Mettauerberg (Bortle 4.6; 10x), 15.07.23
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M20, Trifid nebula, ↕ 5000 LY, Ø 28', ☼ 9, 900 mm, ƒ4.5, Gain 120, 45x4 min Ha+OIII, # 12x8 mm, Mettauerberg (Bortle 4.6; 10x), 15.07.23