AND HAROLD ZIRIN California Institute / Mount Wilson Observatory / Big Bear Solar Observatory / /
IndustryTerm
computed magnetic energy / on-line data / extended energy / bcd spot / energy / /
NaturalFeature
Mount Wilson / Mount Wilson Observatory / /
Organization
NOAA World Data Center / National Oceanic and Atmospheric Administration / US Air Force / United States Air Force / Air Force / American Astronomical Society / Smithsonian / AND HAROLD ZIRIN California Institute / /
Person
HAROLD ZIRIN / Wilson classiÐed / FRANCES TANG / Robert Cameron / /