45 on 645 so about 28 for 35, so more room for time, I’m thinking it was in the neighborhood of 4m. I shot this in October, when the west coast was en fuego, so lots of glow, rays and shafts of light. As cool as the effect was, I hope the opportunity never again arises. The “river” of light is traffic leaving the park at sunset. I had to hike out across the ledges and chasms in the dark, an indelible experienced not to be missed.