Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002jahh....5..123p&link_type=abstract
Journal of Astronomical History and Heritage (ISSN 1440-2807), Vol. 5, No. 2, p. 123 - 134 (2002).
Astronomy and Astrophysics
Astronomy
Christopher Hansteen, Scientific Instruments, Latitude And Longitude, Time Determination, Geodetic Surveying
Scientific paper
A small observatory for astronomical and geodetic purposes was established in 1815, shortly after the University of Oslo came into being. The initial equipment came from the surveying community in Norway, but was rapidly supplemented by both new and second-hand instruments acquired from abroad. Several observing methods were employed to determine the geographical position of the observatory, and the results were re-analysed and compared in this paper. Providing correct local time to society was considered an important task, and this triggered the development of methods of time-determination suitable for an institution with limited resources. The first University of Oslo Observatory also became a site where geodetic techniques suitable for establishing an improved national geodetic net based on triangulation and astrogeodetic observations were developed. These activities led to the establishment of a new observatory at the University in 1833.
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