Nowcasting Astronomical Seeing: Towards an Operational Approach

Details Nowcasting Astronomical Seeing: Towards an Operational Approach Nowcasting Astronomical Seeing: Towards an Operational Approach

Jul 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995pasp..107..702m&link_type=abstract

Publications of the Astronomical Society of the Pacific, v.107, p.702

Astronomy and Astrophysics

Astronomy

6

Atmospheric Effects

Scientific paper

In Murtagh and Sarazin (1993), the ability to regress seeing on a set of near-ground meterological variables was assessed. The present article proceeds towards the following operational framework: we obtain median seeing estimates for the night, given knowledge of ambient ground meterological conditions. The data used are extensive meterological and seeing measurements made at European Southern Observatory sites in Chile over the years 1989-1993. In addition we used radiosonde data, to monitor effects on seeing at higher altitudes, but did not thereby obtain improved results. Seeing nowcasts are based on a novel, fuzzy analysis approach. Our tests show that we successfully now cast good seeing in around 70-80% of the cases in which this is possible. (SECTION: Atmospheric Phenomena and Seeing)

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