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Callisto transit of Jupiter


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About this observation
Peter Tickner
Time of observation
25/07/2020 - 23:33
Jupiter, Callisto, Io and Europa
Observing location
Urban Berkshire
ZWO ASI 174MM mono CMOS camera
2.5x PowerMate
14inch f/10 LX200 ACF
EQ8 mount

This was a rare transit by Callisto which more often than not passes above or below Jupiter rather than trasittting.  Seeing wasn't particularly good (as it hasn't been for a low Jupiter this year) but I managed one reasonable sequence with Io to left of Jupiter and Europa to right while Callisto started its transit.


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