Brooke Walsh measures the ozone layer using Dobson spectrophotometer number 76
shown in this fisheye view inside the Dobson dome at NOAA's Mauna Loa
Observatory.
Image ID: wea03467, NOAA's National Weather Service (NWS) Collection Location: Hawaii, Mauna Loa Photo Date: 2003 July 7 Photographer: Forrest M. Mims III
