Opportunity drove twice, tested the autonomous exploration for gathering increased science, or AEGIS software, and collected an atmospheric argon measurement over the past week.
The rover drove on Sol 2288 (July 1, 2010), covering about 71 meters (233 feet) in a simple zigzag pattern to the east.
Over the 4th of July weekend, Opportunity performed two more tests of the AEGIS autonomous pointing software and collected an atmospheric argon measurement with the Alpha Particle X-ray Spectrometer (APXS).
On Sol 2293 (July 6, 2010), Opportunity drove again heading east and covering another 71 meters (233 feet).
As of Sol 2294 (July 7, 2010), solar array energy production has improved to 359 watt-hours, atmospheric opacity (Tau) was 0.226 and the solar array dust factor is 0.577.
Total odometry is 21,550.77 meters (21.55 kilometers, or 13.99 miles).
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