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We carried out polarimetric observations of the white-light corona during thetotal solar eclipses that occurred on 2017 August 21 and 2019 July 2, andsuccessfully obtained data at two different sites for both eclipses. Aftereliminating the sky background, we derived the brightness, polarizationbrightness, and degree of the polarization of the K+F corona from just abovethe limb to approximately 4 $R_\odot$. Furthermore, we isolated the K- andF-corona with plausible degree of polarization of the K-corona. The field ofview covering up to approximately 4 $R_\odot$ enabled us to compare the derivedbrightness and polarization with a wide range of other observations. Theresults of the comparison show significant scatter; while some of theobservations present very good coincidence with our results, the other onesexhibit systematic discrepancy.

Polarization of the Corona Observed During the 2017 and 2019 Total Solar Eclipses