By Dr Ski | 2019-05-19
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On 05/20/2019 03:00 am by Dr Ski | Valencia, Philippines
Comparing the apparent size of Jupiter and Saturn to the Moon at 100x.
Bright Moon glare still affords great planetary and double star observing.
Forget about galaxies and nebulae!
Note that Callisto is the dimmest of the 4 Galilean moons.
For reference, Jupiter's apparent diameter is 45 arc-seconds. Saturn's globe is 18 arc-seconds (Ring width is 41 arc-sec). The quiz this week will be on Thursday.
Canon EOS M10, 90mm MakCas
Prime focus at 100x
Montage of 3 single exposure images taken 1 minute apart.
