While waiting M81/M82 to rise, I took some images of M42 and combined them with HDRcomposition using pixinsight. I tried a few different processing options, results are shown below.
The first one with HDR Multiscale Transformation only.
The second one with HDR Multiscale Transformation and Auto Histogram.
The last one with HDR Multiscale Transformation and Local Histogram Equalization.
300sx8, 120sx14, 60sx10, 30sx12 subs, dark/bias/flat calibrated
Location: MonteBello OSP, CA
Imaging: AT111 EDT/CGEM/STF8300C
Guiding: AT72ED/Orion SSAG/PHD