Astronomy Picture of the Day . ... 21.02.2012 . ... Although the scene may appear somehow supernatural , nothing more unusual is occurring than a setting Sun and some well placed clouds. Pictured above are anticrepuscular rays . ... Therefore, the crepuscular rays from a setting (or rising) sun will appear to re-converge on the other side of the sky. At the anti-solar point 180 degrees around from the Sun, they are referred to as anticrepuscular rays . ... Anticrepuscular Rays Over Colorado . ...