Nebulosa di Orione - M42 e NGC1977

Canon 1100d fullspectrum CLS CCD Tecnosky 70/420 ED; Star Adventurer

ISO 1600 - Exp: 3h24 (34 x 6') with autoguider; Darks & Flats & Bias

DSS + PS (Astronomy Tools; TMPv3)+LR

Siena, 21/01/2018

Done