Contains:  Solar system body or event
Callisto and Jupiter August 28 2022, Bogdan Borz

Callisto and Jupiter August 28 2022

Acquisition type: Lucky imaging

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Description

I am really glad to present you an image of Callisto and Jupiter. Callisto is one of the 4 Galilean satellites, but it is less often imaged in the vicinity of the planet. That is due to it being situated farther away from the planet compared to the other 3 moons, at 1.9 million km. Almost double the distance compared to Ganymede. It is also the third largest moon in the Solar System, after Ganymede and Titan being comparable in size (but not density) to Mercury.

The seeing was average, but I was pleasantly surprised to obtain good surface details of the satellite, similar to what New Horizons captured when passing by. Brighter poles. https://solarsystem.nasa.gov/resources/217/capturing-callisto/?category=moons/jupiter-moons_callisto

I shot Callisto separately, centered in the ROI with a higher exposure since is less brighter than the planet or the satellites, with multiple processing iterations in order to avoid surface artifacts due to sharpening. Finally 5% of 3 movies joined in PIPP. Jupiter was processed using 7x60s movies, 10% images stacked.

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