04/30/2016 The ISS transits the Sun

This is the International Space Station transiting across the Sun today. The first three repeats are at just under actual speed, the next three are half speed, and the last three I tracked and zoomed on the ISS at half speed.

Tamron SP 200-500mm f/5.6 @ 500mm, f/22 with a 10 stop ND filter in the rear slot. Panasonic GH4 in 4K video mode, 30 fps, ISO 200, 1/16,000 second shutter. Recorded on an external Atomos Shogun at 4K 10:2:2 colorspace with the DNXHR 10bit codec.