M17 - The Swan Nebula
Data collected in 2019
Data collected in 2017
Hα = 19 hours, O-III = 19 hours (in guided 30-minute subexposures).
R = 11 hours, G = 11 hours, B = 11 hours (in guided 30-minute subexposures).
Data collected in 2019
Data collected in 2017
Hα = 19 hours, O-III = 19 hours (in guided 30-minute subexposures).
R = 11 hours, G = 11 hours, B = 11 hours (in guided 30-minute subexposures).