Messier 42

• Photographer : Kyunghoon Lim

• DATE : 4th November 2021

• Place : Gangwondo(Bortle 5)

• Telescope : Fra400, Sdp71 ii

• Tripod & Mount : CGEM DX

• Guide scope/camera : 50, 190mm / QHY 5l m ii

• Camera : Touptek 26000 KMA, KPA (-10 deg)

• Filter : Optolong Sii, Oiii, L-Extreme

• Exposure : Total 7h

L : 180s x 70 (3h 30m)

RGB : 180s x 70 (3h 30m)

• Software : Pixinsight, Photohsop