By Lana Malone | 2025-09-05
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Tehthys' shadow on Saturn
On 09/06/2025 02:30 am by Steven Bellavia | Website | Smithfield, VA
There was another opportunity this morning to capture Saturn's fifth largest moon, Tethys, casting a shadow on Saturn. No Titan this time, and it is really faint, and barely captured, but I got it:
Explore Scientific 152mm, f/16 Maksutov-Cassegrain
ZWO ASI 183MC pro camera
SkyWatcher EQ6R-Pro equatorial mount
IDAS UV-IR cut filter
Aligned and stacked in Autostakkert, using the best 1,800 frames of 4,500, using an Explore Scientific 152mm, f/16 Maksutov-Cassegrain, ZWO ASI 183MC pro camera, using 40 millisecond exposures (25 fps), post-processed in Lucien AstroSurface.
