Hourly measurements made by selected ship sensors on the R/V Seward Johnson during the "Operation Deep Scope 2005" expedition sponsored by the National Oceanic and Atmospheric Administration (NOAA) Office of Ocean Exploration, August 19 through September 4, 2005. Measurements include ship's position and heading, chlorophyll-a (fluorometer), and total solar irradiance. This data set was compiled from Virtual Instrument Data System (VIDS) ASCII files provided by the University of Miami Marine Technology Group at Harbor Branch Oceanographic Institution.