Bowhunting Deer: Shooting At Twilight
TWILIGHT: the soft, scattered light that illuminates the sky when the sun is just below the horizon, either from daybreak to sunrise or from sunset to nightfall. In the afternoon when the sun reaches 18 degrees below the horizon the twilight's brightness is nearly zero and night begins. When the sun again reaches 18 degrees below the horizon the following daybreak, night ends and morning twilight begins. In either of the twilight periods, the first and last minutes of legal shooting time, light is flat and gray; trees and other objects are silhouetted against the bright skyline, and there are no shadows in the woods. While either twilight is prime time for bucks to move, it is a tricky time for hunters. [...]