A fellow on Usenet (Eric Pouhier) had the idea to animate MI images on those occasions where the MI stays in the same place on successive days. The grains and even a spherule (2nd image below) move!
Taking his cue, I made this similar movie of the full MI images:
FULL SIZE 1024x1024 2MB animated gif here
From these two images taken 25 hours apart:
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Image info for: 1M132267282EFF05AMP2937M2M1
Spacecraft: OPPORTUNITY
Camera: Microscopic Imager, dust cover OPEN
Spacecraft clock: 132267282 (seconds since January 1, 2000, 11:58:55.816
UTC)
Product type: EDR full frame
Site number: 05
Drive number: AM
Command sequence number: P2937 (PMA or remote sensing instrument) MI
Producer: MIPL/JPL
Acquisition time (Earth): Thu Mar 11 03:42:35 2004
Time zone: EST
Acquisition time (Mars): Sol 46 11:35:19
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Image info for: 1M132355456EFF05AMP2957M2M1
Spacecraft: OPPORTUNITY
Camera: Microscopic Imager, dust cover OPEN
Spacecraft clock: 132355456 (seconds since January 1, 2000, 11:58:55.816
UTC)
Product type: EDR full frame
Site number: 05
Drive number: AM
Command sequence number: P2957 (PMA or remote sensing instrument) MI
Producer: MIPL/JPL
Acquisition time (Earth): Fri Mar 12 04:12:09 2004
Time zone: EST
Acquisition time (Mars): Sol 47 11:25:46
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Joe