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A Season of Saturn

Imaging


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Andy Casely

A Season of Saturn

A sequence of images taken over the course of nearly one Saturnian season between 2018 and 2023 (upper left to lower right), one image every year for six Earth years. It goes from midsummer to nearly the autumn equinox in Saturn's northern hemisphere, and the rings tilt from widest open to be approaching edge-on as seen from Earth and Sun.

A large storm is visible in 2018, and in 2023 we now see some transits of Saturn's icy moons - Tethys is transiting with its shadow. The polar hexagon fades from view under high latitude hazes, and Saturn's cold blue south pole emerges from a decade of winter darkness.

Location: Sydney, NSW, Australia
Dates: 22nd June 2018 to 1st May 2023, one image per year
Equipment: Celestron C14 Schmidt-Cassegrain, ZWO ASI290MM & QHY5III200M cameras, RGB filters, standard lucky imaging video capture process with Firecapture, stacking and processing in Autostakkert, Registax and WinJupos, ~15-35min per capture.


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