Another clear night and I set up three cameras. Two to record firefly trails, and the other to record the nighttime sky for star trails. I still need to do some testing, but it seems that the Nikon sensors do a better job with low light images (less sensor noise). And among the Nikon sensors, the D810a camera does better with exposures over 30 seconds. In addition to the star trails, I also did a time-lapse video of the night sky.
Firefly trails. Composite of 178 images taken with a Nikon D810a camera and 200 mm f/2 lens (ISO 1600, 200 mm, f/11, 120 sec). Raw images processed with Capture One Pro and composite generated using Photoshop CC (statistics, maximum). (DAVID J MATHRE)
Star Trails looking up and a little south. Composite of 697 of images taken with a Nikon D850 camera and 19 mm f/4 PC-E lens (ISO 200, 19 mm, f/4, 30 sec). Raw images processed with Capture One Pro and the composite generated using Photoshop CC (statistics, maximum). (DAVID J MATHRE)
Author: David Mathre
I am a scientist by training (Eckerd College, BSc; Caltech, Ph.D.). I worked for 27 years as a Chemist in the Pharmaceutical Industry developing processes to manufacture medicines for human and animal health. I now spend my time as a photographer and world traveler. My interests include the natural world, wildlife, landscapes, sky, and seascapes, travel, and astrophotography. I look for unique ways of viewing the world and presenting my images. I have traveled to over 55 countries in six continents, often on Semester at Sea voyages. While at home in New Jersey, I spend time on home renovation and expansion of a wildflower garden/meadow.
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