M97.jpg
M97, Owl planetary nebula, ↕ 2000 LY, Ø 3.4'x3.3', ☼ 9.9, 1600 mm, ƒ8, Gain 120, 75x5 min Ha+OIII, # 17x12 mm, le Tabagnoz (Bortle 4.3; 6x), 17+18.12.23