Originally posted by RobG Understood, I was just curious. I get a little annoyed when I see people posting images online which are blended multiple exposures but trying to give the impression that they are single captures (and I'm not suggesting you did this, just mentioning that there's a lot of photos posted on social media which involved extensive work in Photoshop to create the final image from several source images). In the case of this image, the star tracer may not help much with a wide-angle lens anyway.
I am also not a fan of composite images. Nothing wrong with it at all, but it's not for me. I'm sure you looked at the EXIF data and saw it was a 15 sec. exposure @ 3200 ISO (24mm). This, combined with removing noise, and sharpening, produces a fairly sharp image...usually. But, if you want perfectly sharp stars, and sharp foreground landscape, a composite is pretty much the only way to go.