Comet and Mountain
I've been wanting to get an image like this for a long time. But it's been several years since we've had a comet this bright. This comet named 46P/Wirtanen was discovered in 1948 and will make it's closest approach to Earth next week. I had my doubts that this picture would happen. The comet would only be positioned above this snowy mountain for 3 nights at most. Even rarer than a clear night in December, I needed a night with no wind. But at 2AM on December 7th, everything came together. The temperature hovered around 0°F; it was a frosty nostril kind of night. When I first arrived in the Bighorn Mountains the comet was just visible to the naked eye, but the best view was through binoculars. In my pictures, it's about 2-3X the angular size of the moon. To make this image I captured a series of 6 shots using a star tracking mount. I had to be careful to align everything as accurately as possible while processing.
- Kevin Palmer
- Image Size
- 8359x5573 / 23.5MB
2018, 46P/Wirtanen, Bighorn Mountains, Bighorn National Forest, December, Loaf Mountain, Wyoming, alignment, astronomy, astrophotography, clear, coma, comet, dark, early, green, iOptron Skytracker, kevin palmer, morning, mosaic, night, nikon 180mm f2.8, nikon d750, peak, sky, snow, snowy, space, starry, stars, telephoto, winter
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- Recent Work, Wyoming, Night Sky