David Mathre Photography

Welcome to my Images of the Day Photo blog. My goal is to post images from each day of the year going back to 2006 when I got my first DSLR camera. Images I post on Google+ are also forwarded to this Photo blog. I am a retired chemist that worked nearly thirty years in the Pharmaceutical industry. I took my first DSLR camera on a road trip across the United States, and became hooked, with my new passion becoming a photographer. I now spend all my time traveling and taking pictures. Since then I have visited over 50 countries, many on Semester at Sea voyages. My photographic interests include travel, the natural world, landscapes, and photographic techniques. I always want to learn something new and the only way to become better is to learn from mistakes.

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17-February-2009

Winter Night Sky Star and Jet Trails

I used a 16 mm Fisheye lens to take aquire some winter night sky images. The images were combined using the startrails program to get the startrail images. The first image is a composite of 15 60 second images relatively early in the evening. The next three are composites of 16, 35, and 14 300 second (5 minute) images.

Winter Sky Star and Jet Trails. Image taken with a Nikon D700 and 16 mm f/2.8 fisheye lens (ISO 200, f/2.8, 60 sec). Composite of 15 images processed with Startrails program. (David J. Mathre)

Winter Sky Star and Jet Trails. Image taken with a Nikon D700 and 16 mm f/2.8 fisheye lens (ISO 200, f/2.8, 60 sec). Composite of 15 images processed with Startrails program. (David J. Mathre)

Winter Sky Star and Jet Trails. Image taken with a Nikon D700 and 16 mm f/2.8 fisheye lens (ISO 200, f/2.8, 300 sec). Composite of 16 images processed with Startrails program. (David J. Mathre)

Winter Sky Star and Jet Trails. Image taken with a Nikon D700 and 16 mm f/2.8 fisheye lens (ISO 200, f/2.8, 300 sec). Composite of 16 images processed with Startrails program. (David J. Mathre)

Winter Sky Star and Jet Trails. Image taken with a Nikon D700 and 16 mm f/2.8 fisheye lens (ISO 200, f/2.8, 300 sec). Composite of 35 images processed with Startrails program. (David J. Mathre)

Winter Sky Star and Jet Trails. Image taken with a Nikon D700 and 16 mm f/2.8 fisheye lens (ISO 200, f/2.8, 300 sec). Composite of 35 images processed with Startrails program. (David J. Mathre)

Winter Sky Star and Jet Trails. Image taken with a Nikon D700 and 16 mm f/2.8 fisheye lens (ISO 200, f/2.8, 300 sec). Composite of 14 images processed with Startrails program. (David J. Mathre)

Winter Sky Star and Jet Trails. Image taken with a Nikon D700 and 16 mm f/2.8 fisheye lens (ISO 200, f/2.8, 300 sec). Composite of 14 images processed with Startrails program. (David J. Mathre)

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