Anticrepuscular Rays Viewed From Comanche Springs Astronomy Campus, Texas

October 20, 2010


Photographer: Erich Leeth
Summary Authors: Erich Leeth; Jim Foster

The photo above showing an amazing set of anticrepuscular rays was captured just after sunset from the Comanche Springs Astronomy Campus (CSAC) of the Three Rivers Institute, near Crowell, Texas. From our perspective, these rays all appear to converge at the antisolar point; however, the convergence is an optical illusion. Since they originate from the Sun, the rays are actually approximately parallel to each other. Photo taken on September 9, 2010.

Photo details: Camera Maker: NIKON CORPORATION; Camera Model: NIKON D300S; Lens: Tokina 11.0-16.0 mm f/2.8; Focal Length: 11.0mm (35mm equivalent: 16mm); Aperture: f/2.8; Exposure Time: 0.010 s (1/100); ISO equiv: 320; Exposure Bias: none; Metering Mode: Center Weight; Exposure: Manual; Exposure Mode: Manual; White Balance: Manual; Light Source: Shade; Flash Fired: No; Color Space: Adobe RGB (1998); Five panel panorama.