From the Great Falls National Park gallery at CathySummers.com.

Photograph by Cathy Summers

20190803_030: Great Falls of the Potomac at Low Water, Virginia Chute - Long Exposure
My Stars = 4

Camera: NIKON D850

1/4 sec. at f/32, ISO 64

500 mm (500.0 mm f/5.6)

More photos: like this in: