Ps. There are techniques for combining your aligned and stacked frames in PS but they are a little complex. See here:
.
http://astronomollylog.blogspot.com/...ages-with.html
They can also be combined as a quick trial in a trial version of Pixinsight using the LRGB process (see the LIght Vortex tutorial) but this can be even more complex if you follow the complete tutorial guides. Better results if you have the time.
https://www.lightvortexastronomy.com...luminance.html