By Dr Ski | 2020-06-08
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On 06/09/2020 12:25 am by Dr Ski | 9.3°N, 123.3°E
Lunar Day 17.
When the Moon is waning you need to use Grimaldi crater as an indicator for Lunar libration in longitude. Note how close this dark crater is to the West limb. Libration is +6° tonight!
Canon EOS M100, 90mm Mak-Cass
Prime focus at 40x
1/80s@ISO200
