Fig. 1
Center of the digitization (positive) of the USNO 26-inch Saturnian plate No. 02013. Brighter images are the satellites. From left to right: Iapetus, Rhea, Mimas (displayed in the white circle), Dione, Tethys, and Titan. The dark shape around Saturn is the shadow of the small Inconel filter. Enceladus is close to Saturn, and behind the filter. North is up, east to the left.
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