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ISS News

Stop What You Are Doing And Watch This Video

By Keith Cowing
October 21, 2012
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This Video was achived by “stacking” image sequences provided by NASA from the Crew at International Space Station. These “stacks” create the Star Trails, but furthermore make interesting patterns visible. For example lightning corridors within clouds, but they also show occasional satellite tracks (or Iridium Flashes) as well as meteors – patterns that interrupt the main Star Trails, and thus are immediately visible. The many oversaturated hot pixels in some of the scenes are the inevitable result of ultrahigh ISO settings the Nikon D3s in ISS-use are pushed to for keeping exposure times short by all means (owed to the dramatic speed the ISS travels). As there are no dark frames or RAW data currently available, hot pixels are not easy to remove.

NASA Watch founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber.