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December 15, 2014 AT 10:31 am

DIY Exoplanet Detector – How To Detect an Exoplanet with a DSLR with an @arduino and more…

Tracker Hardware4-1416600854125

DIY Exoplanet Detector – IEEE Spectrum.

Sixty-three light-years away, HD 189733 is too dim to be seen with the naked eye. Finding it required the use of such waypoints as the Dumbbell Nebula [top]. Once the star system is targeted, the Earth’s rotation causes the sky’s image to blur [second from top] during long exposures. An Arduino-controlled star tracker [bottom] compensated for this motion [third from top].


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