Image from Boulder Dam, 7/19/2020, 11:17 PM CDT

AstroHutech modified Canon EOS 6D, Canon EF 24-70mm f/4L lens at 53mm, f/4, ISO1600, 60s, with tracking. This is a stack of 6 similar images (total of 360 seconds), processed with PixInsight (for stacking) and Adobe Camera RAW and Photoshop.