Steve Ryan points to an instrument that measures the intensity of sunlight
at the Mauna Loa Observatory.
Image ID: wea03469, NOAA's National Weather Service (NWS) Collection
Location: Hawaii, Mauna Loa
Photo Date: 2006 May 30
Photographer: Forrest M. Mims III
Category: NOAA 200th Photo Contest/
• High Resolution Photo Available