This Video was achieved by “stacking” image sequences provided by NASA from the Crew at International Space Station. These Stacks make interesting patterns visible, for example lightning corridors within clouds.
One can also recognize occasional satellite tracks (or Iridium Flashes) as well as meteors – patterns that are not amongst the main startrails, and thus immediately visible. The many oversaturated hot pixels in some scenes are the inevitable result of the very high ISO settings the Nikon D3s in use at the ISS have been used to keep exposure times as short as possible (due to the high speed the ISS travels with). Unfortunately as there are no dark frames or RAW data currently available, these hot pixels are not easy to remove.
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