Observations of the sun at the CERGA astrolabe in 1980

Details Observations of the sun at the CERGA astrolabe in 1980 Observations of the sun at the CERGA astrolabe in 1980

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26as...48..371l&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 48, June 1982, p. 371-373. In French.

Astronomy and Astrophysics

Astrophysics

9

Astrolabes, Solar Observatories, Solar Position, Astronomical Catalogs, France, Latitude, Solar Longitude

Scientific paper

The same computation procedures employed by Chollet et al (1980), using latitude and longitude variations determined from stellar observations conducted at the CERGA Observatory, are applied to new solar position observations. These are reported to be the first solar observations conducted on the same day for three zenith distances, of 30, 45 and 60 deg, on the basis of improvements of the instruments used. The consistency of the present results with those of the previous studies is noted, as is the increasing accuracy of the reflector prisms.

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