Saturn with Tethys and Enceladus (Niall MacNeill)

Contains: Solar system body or event

Saturn with Tethys and Enceladus

Acquisition type: Lucky imaging

Saturn with Tethys and Enceladus

Acquisition type: Lucky imaging

I made 13 x 90 sec IR and RGB video captures of Saturn (~ 1 hr) under very good seeing conditions.
The narrowing of the rings since last year is very clear, so it is pleasing to see a hint of the Encke Division. The Southern Hemisphere is more active than the north, as it receiving more sunlight than before and a particularly large system is evident in the STrZ to the p side of the Central Meridian. The colours of this region that have emerged as the planet's tilt allows a better view are astonishing and beautiful. I have not altered these in any way, save for a balancing of the histograms.
Later that morning, near dawn, Tethys and its shadow transited the southern hemisphere of the planet. I made a single RGB capture, due to the impending sunrise so the image is noisy, but the moon and its shadow are clearly visible. See Revision B. That is my first ever capture of a moon transit on Saturn. These are possible now that the orientation with respect to the Sun and Earth is changing so that the plane of the rings, and the orbits of the Moons, flattens.

Final
Original
B

B

Description: Tethys and its shadow in transit in the morning light

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Saturn with Tethys and Enceladus

Saturn with Tethys and Enceladus

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Saturn with Tethys and Enceladus

Saturn with Tethys and Enceladus

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