Geosynchronous satellites
Taken by Pekka Parviainen on September 14, 2018 @
SW-Finland
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Date Taken: 2018:11:22 11:22:09
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Details:
Geosynchronous satellites frequently appear in pictures of starry sky, especially so in autumn and spring. The first image shows how the first thought might be: have I spoiled the sensor because pictures show tiny scratches. Leaving camera static shows a row of tiny pearls - satellites - among star trails (second image). In video we can see how geometry between observer, satellite panels and the sun brightens satellites as earth rotates (follow theta Ceti from left, low above tree line). In my latitude 60N geosynchronous satellites appear around declination -8 degrees.
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