The solar ring from Calamarca

Details The solar ring from Calamarca The solar ring from Calamarca

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980s%26w....19..420d&link_type=abstract

Sterne und Weltraum, vol. 19, Dec. 1980, p. 420, 421. In German.

Astronomy and Astrophysics

Astronomy

Astronomical Photography, Solar Eclipses, Astronomical Observatories, Southern Hemisphere

Scientific paper

Observations from the August 10, 1980 solar eclipse over South America are reported. Data from photographic observations, photometric measurements, and estimates of the solar radius were collected. A temperature drop of 3 K was measured at Calamarca 20 cm above the ground, and in Guaqui a decrease from 19 to 9 C, measured 2 m above the ground is reported. Strong wind turbulence hindered the determination of a true moon profile. The movement of the moon was discerned in a sequence of ten exposures lasting 3 sec. The duration of the ring phase was measured at 2 min 50 sec.

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