Io Transit of Jupiter with the Great Red Spot

A transit of Jupiter by Io and its shadow with the Great Red Spot. Taken on 23 June 2018 at 04:33 UT from Terlingua, Texas. Questar 1350/89mm, f/15, telescope with Dakin 2x Barlow, and ZWO ASI120MC camera. Best 32 of 1500 images stacked in Autostakkert 3, deconvolved in Lynkeos, with final crop and exposure in Photoshop.

I reprocessed the image to correct the color balance and align on an up-scaled grid.

Content created: 2018-06-23

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