The winter solstice occurred on Sol 4915 (Nov. 20, 2017). Energy levels for the rover are improving, mostly due to improving dust factor (cleaning of dust off the solar arrays).
The rover is continuing the survey of the surrounding landscape with extensive Panoramic Camera (Pancam) color panoramas in stereo and imagery in the direction of the next drive.
The team is still analyzing where to drive next. Only one sol, Sol 4915 was a recharge sol.
As of Sol 4915 (Nov. 20, 2017), the solar array energy production was 401 watt-hours with an atmospheric opacity (Tau) of 0.404, and an improved solar array dust factor of 0.628.
Total odometry is 27.99 miles (45.05 kilometers).
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