Messier 31

Copyright.2022.Baryon.All right reserved

• Photographer : Baryon

• Date : 20. Sep. 2022

• Place : Uiseong

• Telescope : TOA-130NS + 645 x.99 Flattener (FL 990mm/F7.7)

• Mount : CEM70 with Noh's pier

• Camera : ZWO ASI2600MM Pro (-10C deg. cooled)

• Guide : Orion 60mm F4 guidescope with ZWO ASI120MM Mini

• Software : Adobe Photoshop CC, Pixinsight

• Exposure : Total 6 Hours, 20 minutes

Optolong L : 120s x 100subs (Gain : 100) / 200 Min

Optolong R : 120s x 30subs (Gain : 100) / 60 Min

Optolong G : 120s x 30subs (Gain : 100) / 60 Min

Optolong B: 120s x 30subs (Gain : 100) / 60 Min

Bias / Dark / Flat : 20 each