Abstract
Solar limb brightening measurements at a wavelength of 3.3 mm were made during the 30 June 1973 total solar eclipse from a site at Lake Rudolf, Kenya. The results show that at this wavelength there is a limb brightening of about 20%, occurring within one half arc min of the limb.
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Shimabukuro, F.I., Wilson, W.J., Mori, T.T. et al. 3.3 Millimeter limb brightening measurements during the 30 June 1973 total solar eclipse. Sol Phys 40, 359–370 (1975). https://doi.org/10.1007/BF00162383
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DOI: https://doi.org/10.1007/BF00162383