Hello,

 

 Any thoughts, originally I had REX 4 - Texture Direct with Soft Clouds  ->Active Sky 2016 for FSX -> TOGO Envtex.

http://fsfiles.org/flightsimshotsv2/image/G84I

I think it's the Milky Way.

Seems like it's the milkyway indeed.
If you use PTA probably something went wrong with your shaders. I had a similar issue using some settings earlier but can't remember which one.

Thank you both!!

I have seen the same cloud formation on nearly every flight. So how do we fix it? I'm using REX 4 and Soft Clouds.

Brightness and gamma effect it.  I don't have REX.

I am going to try this program

 

http://flight-sim-jewels.com/night-sky-enhancement/

here is a photo

 

http://fsfiles.org/flightsimshotsv2/image/GCQ2

I think I fixed it. I found that I had two versions of MilkyWay_lm in two different  locations. I deleted the one version completely that as in wrong location and the other version I downloaded the file   https://library.avsim.net/esearch.php?DLID=187749&CatID=fsxmisc&Cookie=1  and copied it into the Microsoft Flight Simulator X\Scenery\Global\Texture  after removing other version and then renamed the file  to MilkyWay_lm . For extra measure I downloaded autostrx and used those stars. I went to a know location in Russia where I had it show up before and it was gone I went from sunset to dusk nothing. I hope this helps