You did a good job with the sunstars Adam.
#4 is my favorite.
The one suggestion I will make is to clean up the smaller circular flares. #3 is the biggest offender of this. That's a part of doing Sun Stars that can be a pain sometimes, cloning out them. Though where it would take hours in the old days to remove them by cloning or masking and changing the colors of the circular flares to blend in by matching the colors of the ground. Now a days, our Content Aware Fill, or Generative Fill is so powerful, it's something that can be cleaned up in just a few minutes.