Here's another...
http://www.ssd.noaa.gov/PS/TROP/DATA/RT/float-vis-loop.html
Storm-centered visible satellite image loop.
dosn't it seem in that loop the eye is less defined a drop???
Yes, that visible loop for any hurricane is always amazing to watch.
http://www.cira.colostate.edu/RAMM/Rmsdsol/RSOMAIN.HTML
Click on the GOES East visible floater loop.