This picture was taken on the University of Colorado Boulder campus on October 22, 2019 at 5:46pm MDT, facing north. The image was shot with an iPhone 7, with an f-stop of 1.8, ISO 20, shutter speed of 1/1100 second, and focal length of 4.00 mm. According to the skew-T diagram for Denver (nearby), the atmosphere was stable. The original (unedited) image is also provided below. To produce the final image, the saturation and exposure were slightly increased.
Image shot and edited by Kailey Shara.