DeepSkyStacker is for astrophotography that simplifies all the pre-processing steps of deep sky pictures and is specialized in dealing with RAW files from DSLRs. Main features: automatic registration of a set of light frames, sub pixel registration, automatic derogation, automatic creation and use of offsets, flats and darks frames, sub pixel alignment and stacking. Supported bitmaps formats RAW files from DSLRs, 8, 16, and 32 bit color and monochrome TIFF files, 8, 16, 32, and 64 bit color and monochrome FITS files. Stacking method average, median, kappa-sigma clipping, auto adaptive weighted average, entropy weighted average.
What's new in this version:
Version 3.3.2 has fixed the No Alignment option was looking for stars and was failing when less than eight stars were detected, now it does need stars to work.