ClarkVision Photography: Astrophoto 1 Gallery

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image ISS_clark_08.31.2011.ac45i1716,24.e.jpg is Copyrighted by Roger N. Clark, www.clarkvision.com

International Space Station imaged from Colorado

The ISS was nearly overhead, seen through haze

Technical. Canon 1D Mark IV digital camera, 500 mm f/4 L IS lens with 2x teleconverters giving 1000 mm focal length at f/8. Tracking by hand using a gimbal head on a tripod (wildlife photography setup) with image stabilization on, but focus locked. I previously focused on a star. Exposure was 1/1600 second at ISO 400. Two frames obtained within 2 seconds of each other were stacked. The stacked image was enlarged 5x and Richardson-Lucy image deconvolution applied to sharpen the image.

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Keywords to this image = astrophoto-1 space_station night low-light digital_astro canon_1d4

Image ID: ISS_clark_08.31.2011.ac45i1716,24.e.jpg

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Last updated May 29, 2019