This is a quick gallery to demonstrate the power of image calibration to the final results. Calibration was performed using 30 Dark Frames, 30 Bias Frames and 30 Flat Field Frames using Maxim DL.

Light Frame : Maunal, 300 second exposure, ISO 800
Dark Frame : Manual, 300 second exposure, ISO 800, body cap on, 30 shot
Bias Frame : Manual, 1/4000 exposure, ISO 800, body cap on, 30 shot
Flat frame : Av, ISO 800, aimed at flat field box, 30 shot