Kevin Palmer

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  • A Geminid meteor burns up just below Polaris in Big Cypress National Preserve. I have never seen the North Star so low before since I have never been this far south.<br />
<br />
Date Taken: 12/14/2014
    Meteor Under Polaris
  • Stars appear to rotate above this abandoned barn in 3 hours time. In reality it is the stars that are stationary and the earth that is rotating. In 23 hours and 56 minutes, the stars make one counterclockwise rotation of 360 degrees. This 4 minute difference is what causes the stars to change position from night to night, and the constellations to change from season to season. Earth's northern axis happens to be pointed at Polaris, or the North Star. It hardly moves at all in the course of a night. For thousands of years people have been using Polaris to navigate. It not only tells you which way is north, but it also tells you your latitude. In this case the North Star was 40 degrees above the horizon. Those in the southern hemisphere do not have such a star to guide them.<br />
I found this old barn in Jim Edgar State Park a couple nights ago.
    Dark Barn Startrail
  • This night was a rare one. The weather was completely clear with no winds, the moon had set, and the temperature was even in the positives. Conditions were perfect for stargazing, and I had to take advantage of it. The dead silence in these grassy hills outside of Buffalo was only interrupted by the occasional howl of a coyote. I pointed my camera north and took pictures for 90 minutes, which I combined into this star trail image. It shows the stars apparent motion caused by the Earth's rotation. Each star in the northern sky takes 24 hours (23:56 to be precise) to make a complete revolution in a counterclockwise direction. The height of the North Star (also known as Polaris) is always equal to the latitude - 44° in this case. Any star less than 44° away from Polaris is circumpolar, which means it never goes below the horizon. The red at the bottom of the picture was a very dim appearance of the aurora. I couldn't see it with my eyes.
    Revolutions
  • A lone pine tree on the edge of Sibley Lake points to the Big Dipper (Ursa Major) constellation above. The 2 stars on the end point to Polaris, the North Star on the left. All night long the Big Dipper will rotate counterclockwise while the North Star remains stationary. I added diffraction spikes to these 8 stars to make them stand out more.
    The Pointer
  • This image shows the stars apparent motion caused by the rotation of the earth. I setup my camera point at my tent while I camped in Anza Borrego.
    Anza Borrego Night
  • After seeing only about 1 hour of clear skies over 5 nights, I was determined to catch a good aurora display on my last night in Iceland. The southern coast was showing the best weather forecast. So that is where I went, camping in the shadow of the glacier-capped Eyjafjallajökull volcano which was lit up by the moonlight. This is the same volcano that erupted 7 years ago with the giant ash cloud causing the biggest disruption to air travel since WWII. As soon as it got dark the northern lights came out and stayed the entire night. Compared to lower latitudes, the aurora up here is brighter and moves and changes so much faster. It will often appear anywhere in the sky, not just limited to the north.
    Aurora Gap
  • While camping at Castle Gardens, I captured the stars for 2 hours to put together into this startrail image. A campfire cast a warm glow on the bluffs and hoodoos above.
    Castle Aglow
  • After seeing only about 1 hour of clear skies over 5 nights, I was determined to catch a good aurora display on my last night in Iceland. The southern coast was showing the best weather forecast. So that is where I went, camping in the shadow of the glacier-capped Eyjafjallajökull volcano which was lit up by the moonlight. This is the same volcano that erupted 7 years ago with the giant ash cloud causing the biggest disruption to air travel since WWII. As soon as it got dark the northern lights came out and stayed the entire night. Compared to lower latitudes, the aurora up here is brighter and moves and changes so much faster. It will often appear anywhere in the sky, not just limited to the north. The aurora transformed into all kinds of interesting shapes, to me this shot looked like a surfing brontosaurus.
    Surfing Brontosaurus
  • At 1AM the aurora spread out and filled almost the entire sky above southern Iceland, while the moon illuminated the landscape.
    Green Skies at Night
  • At the end of July I had the chance to shoot the most detailed milky way nightscape photo I've ever taken. Ever since making a similar photo in Utah, I've wanted to repeat it, but finding the right location, the right weather, at the right time isn't easy. After a stunning sunset over Bighorn Canyon National Recreation Area, the clouds cleared out and the conditions began to come together. This image is a combination of 3 separate pictures, totaling nearly 1 hour of exposure time. First I placed my tripod on the edge of the canyon, then aligned my star tracking mount on Polaris (the north star), and then shot two 18-minute exposures of the milky way. Then I turned the tracking mount off, and shot a similar exposure of just the canyon, and later stitched the 3 shots together. Without a tracking mount, I'm normally limited to 30-second exposures before the stars start to blur. In addition to the milky way, the planets Saturn and Mars, and traces of green airglow are also visible. The light pollution along the horizon is from the towns of Lovell and Powell. While I was shooting this, bats kept fluttering around my head, eating all the gnats gathered around the puddles after a recent rain.
    Celestial River