C63.jpg
C63, Helix planetary nebula, ↕ 650 LY, Ø 25'x13', ☼ 7.3, 900 mm, ƒ4.5, Gain 100, 32x3 min Ha+OIII, # 15x10 mm, Ittenthal (Bortle 4.7; 10x), 05.10.24