M1.jpg
M1, Crab supernova remnant, ↕ 3200 LY, Ø 6.0'x4.0', ☼ 8.4, 1600 mm, ƒ8, Gain 120, 55x5 min Ha+OIII, # 12x8 mm, le Tabagnoz (Bortle 4.3; 6x), 16+17.12.23