I took this in my backyard this past March. I had to stay up until around 3am for the moon to fully turn red. Then I waited for the moon to move out of my frame and then I shot about 30ish minutes of star trails.

I shot every thing at 600mm on a Sony a7iii and a Sigma 150-600. As I said above I took a few frames of the moon. Then I waited for the moon to move out of the frame. Then I put my camera in interval mode and shot about 30 minutes of star trails, also at 600mm.

In post I blended the star trails in photoshop. Then took one of my moon frames and blended in just the moon into my star trail shot, using lighten mode in photoshop.

I'm sure I could have done the star trails at a different section of sky instead of waiting for the moon to leave the frame but I wanted the direction of the trails to be from where the moon actually was. I also feel like there was a way to do this 100% in camera but I imagine you would need some sort of tracking device to follow the moon and do a long exposure? I don't know. I didn't want to take a chance of messing it up by doing it 100% in camera so I chose to do a composite. This was my first time trying something like this and I wasn't 100% sure it was going to work, but I'm pleased with the result.