Another cool ISS transit, this time Saturn.

Another cool ISS transit, this time Saturn. To me the most fascinating fact is that the photographer had a tolerance of only +/- 20m to put his telescope on the transit line.

Originally shared by SETI Institute

ISS transit in front of Saturn

“After my ISS transit in front of Jupiter I had more experience with the challenge of photographing the very fast ISS (27.000 km/h!!!) in front of a planet. Everything went more fluently than half a year before even though Saturn (27 arcseconds) appears to be a little smaller compared to Jupiter (45 arcseconds).

“The weather was announced to be unstable but right in time the eastern sky cleared up and I had one of the best seeing conditions I’ve ever witnessed. Perfect timing! Unfortunately the sky in the west was cloudy so I could see the station first when it passed half way up the sky.”

Image credit: Julian We├čel astrophotography

Read more and watch video of transit: http://buff.ly/1ltQaoB

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