Comet
Taken by Gianni Cerrato on August 20, 2017 @ Colle di Sampeyre, Italian Western Alps (2400m)
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  Camera Used: Unavailable Unavailable
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Date Taken: 2017:08:22 19:36:11
 
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Details:
the M45 pleiades cluster and the PanSTARRS c/2015ER61 comet, that is moving away from us, is around the tenth magnitude
taken from 2400m on italian western alps, Colle di Sampeyre (CN), Italy

Only 20 minutes of total exposure time @1600iso (90 sec each) with Tecnosky 80/480mm apo triplet + 0.8x reducer corrector + Canon EOS 600D uv cut on a Skywatcher HEQ5 and 60/220 + lacerta autoguider
Co-authors: Valentina Saltarelli and Giorgio Ferrari
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