International Space Station  400mm Photograph

Image credit:  Image Science and Analysis Laboratory, NASA Johnson Space Center (http://eol.jsc.nasa.gov))

CALADESI ISLAND  28.02N, 82.82W

The link is to the Wikipedia page on Caladesi Island.

ZERO MAGNIFICATION IMAGE

REFLECTANCE SPECTRUM

1X MAGNIFICATION (RED LINE  = 1MM)

3X MAGNIFICATION (RED LINE  = 1MM)