M1 Crab Nebula

Crab nebula narrowband images in Ha, OIII and Hb were acquired in October 2021.
The purpose of the image processing workflow was to obtain a near true color representation of both nebula and stars from narrowband images of the main emission lines (Ha, OIII and Hb).
Authors: Attilio Bruzzone, Antonio Ferretti and Nico di Rocco – Gruppo Astrofili Frentani