International Space Station 180mm Photograph

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

GRAYLAND BEACH STATE PARK 46.79N, 124.09W

The link is to the park's homepage.

ZERO MAGNIFICATION IMAGE

REFLECTANCE SPECTRUM

1X* MAGNIFICATION (YELLOW LINE   = 2MM)

3X*  MAGNIFICATION (YELLOW LINE   = 1MM)