last night in Arches National Park yielded the following results.
This 20 second-long image was not light-painted, but rather illuminated by the diffuse glow from vehicle headlights on the park road. That’s the glow of Moab in the far right.
This star trail image consists of 42 images for 21 minutes total duration. I dimly lit the monolith with a small LED panel for the last of the 30 second-long shots in the sequence.