Planet: Jupiter 

Location: Nova East Star Party, Smileys Provincial Park, NS
Date: 2019-08-30
Time: 8:40 PM ADT
Instrument: Visual + Binocular 10x30 IS
Transparency: not recorded
Seeing:  not recorded

I along with Tony Schellinck, Paul Heath, Melody Hamilton and a group of others noticed the strange arrangement of the 4 Galilean moons - like butterfly wings. I made rough notes about this but couldn't find this particular lunar formation; the OH had no mention of it and SkySafariPro showed the moons in a line with Europa on one side and Io, Ganymede and Callisto on the other.

No explanation for this pattern. Perhaps Europa (upper right of the 4 sketched) formed the shape with three GAIA-designated stars and we didn't look further for the other 3 moons (?).


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