Search Results for 'bighorn mountains'

$Even after driving up Highway 14 dozens of times, I almost always stop at this scenic overlook. It’s where the Bighorn Mountains meet the endless plains stretching across eastern Wyoming and Montana. The towns of Dayton, Ranchester, and Sheridan are seen thousands of feet below and it’s a popular spot for launching hang gliders. For years I’ve wanted to capture a good lightning storm from here. But it required just the right storm, one that comes in from the northwest in a path parallel to the mountains. It needed to be close enough to light up the valley, but far enough to stay out of danger and out of most of the rain. It also needed to be predictable, so I could get there in time. At 10PM sheets of rain began to envelop the ridges to the north one by one. Then this brilliant flash illuminated the foothills and switchbacks just before the lights of Dayton disappeared into the downpour. I’ve always loved the challenge of capturing something that lasts a fraction of a second and preserving it in a picture.$

$It was 1AM and the stars were twinkling wildly above the Bighorn Mountains. Twinkling (also known as scintillation) is caused by the earth's atmosphere bending or refracting starlight. Planets do not twinkle because they are not a pinpoint source of light. The effect is most noticeable on nights with strong winds and differing air temperatures in the upper atmosphere. The wind chill on this night at 7,000 feet was far below zero Fahrenheit. In the center of the photo is Sirius, the brightest star in the sky. It is visible from anywhere on earth except for the very northern Arctic. Sirius is known for twinkling a rainbow of colors when it first rises. On the upper right is the constellation Orion with the bright band of the winter milky way to the left.$