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

Photograph by Cathy Summers

20210227_021: Blue Hour at Great Falls of the Potomac River as a Late Winter Sunset Fades Away - 15 Second Exposure
My Stars = 2

Camera: NIKON Z 6_2

15 sec. at f/16, ISO 100

19 mm (NIKKOR Z 14-24mm f/2.8 S)