Kevin Palmer

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  • 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.
    Sirius-ly Cold
  • On the night of  winter solstice I went for a hike around the Sibley Lake nordic ski trail. It was a beautifully clear night with perfect silence and solitude. The snow here was above my knees but I couldn't pass up this scene with towering pines and snow-covered boulders. I angled my camera so I could include Orion in the composition.
    The Longest of Nights
  • There’s perhaps no better way to practice social distancing and clear your head than to spend some time under the stars. The idea for this picture came months ago: to capture Orion setting over this jumble of giant boulders called the Fallen City. After doing the math and simulating the view, I determined exactly where to put my tripod and when to make it happen. But one problem is this is a very windy spot in the Bighorn Mountains. My attempt in February was foiled by the wind and I could not get any clear images. But March brought another chance with calmer weather. A fresh snowfall topped with rime ice made the forest glow in the starlight.<br />
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The Orion Nebula is the brightest in Earth’s sky. It can be seen with the naked eye from dark skies and looks spectacular in a telescope. Also visible next to Orion’s Belt are the Flame Nebula and Horsehead Nebula. To get this picture first I took a series of images of the sky with my camera on a star-tracking mount. Once the nebula set, I turned the tracking off and took a longer exposure of the foreground.
    Orion and Fallen City
  • In December the constellation Orion rises in the east immediately after sunset. While camping in Joshua Tree National Park, I picked a campsite that faced a boulder formation in that direction. When clouds moved in, I wasn’t sure I would get any pictures. But then a small gap appeared, leaving halos around the brighter stars. The red supergiant star Betelgeuse is visible in the center. It is one of the largest stars in the Milky Way, 1400 times the size of the sun. It's also a variable star, which means the brightness changes regularly. But in recent days it has been attracting attention because it’s currently dimmer than ever recorded before. Betelgeuse is at the end of its stellar life cycle and when it goes supernova its brightness in Earth's sky will rival that of the full moon. Since the star is 640 light years away, it may have already exploded centuries ago. But the likelihood of seeing a supernova anytime soon is still very small and they remain unpredictable.
    Boulders of Orion
  • The stars Aldebaran, Rigel, Orion, and Procyon along with Jupiter formed a pentagon in the sky. In the middle is the star Betelgeuse with Orion's belt and nebula to the right. Thin clouds were causing halos to form around the brightest points of light. This view was seen looking up from my campsite in the Mojave National Preserve, which has some of the darkest skies in Southern California.<br />
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Date Taken: 1/30/14
    Winter Pentagon