Astronomy and Astrophysics – Astronomy
Scientific paper
May 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.238..791r&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 238, May 15, 1989, p. 791-806. Research supported by th
Astronomy and Astrophysics
Astronomy
6
Image Intensifiers, Photons, Quantum Counters, Triple Stars, Wiener Filtering, Algorithms, Astronomical Photography, Telescopes
Scientific paper
A method for applying a modified Wiener filter to time-tagged single photon data is proposed which can preprocess the data for use by a wide range of image sharpening algorithms. The method is applied to data from the 50-cm Roque de los Muchachos Observatory telescope, resulting in near diffraction limited images of the bright triple-star system ADS6650 with a high dynamic range at extremely low counting rates. The method can be used, with a 1.5-m telescope, for fields containing reference stars as faint as 16.75 mag.
Ballesteros Ramirez Ezequiel
Devaney Nicholas M.
Gomez Renasco R.
O'Kane P.
Redfern Michael R.
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