Io (I) occults Europa (II), 5 Sep 2009 9:10 - 9:20 UT

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Reduced Light Curve: LP-filtered measurements, signal only, normalized on Ganymede, 64 binned frames.

The target at the begining, mid time and end of the event:


Using WAT120N+ on low gain; 1/8 sec exposure, F/3.3 focal reducer