Nightspore Posted May 22, 2019 Share Posted May 22, 2019 Tuesday night I used my 90mm Mak to have a quick butcher's at the Moon between the clouds. I thought I may get lucky and catch the rille of Petavius near the terminator. It was too far away though. However the terminator had caught the Humboldt crater very dramatically making the Moon slightly resemble the Death Star from Star Wars. https://en.wikipedia.org/wiki/Humboldt_(crater) Humboldt at about 00:30 British Summer Time 20/5/2019 These Moon Atlas images don't really do it justice. The terminator had basically bisected the crater. I believe the Moon has a 178 year nutation and libration cycle. So it's impossible to see it exactly the same twice. +RonC 1 Link to comment Share on other sites More sharing options...
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