Processing of ground-based astronomical images obtained using photon-counting techniques

Details Processing of ground-based astronomical images obtained using photon-counting techniques Processing of ground-based astronomical images obtained using photon-counting techniques

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jbis...33..347w&link_type=abstract

British Interplanetary Society, Journal (Image Processing), vol. 33, Oct. 1980, p. 347-351. Research supported by the Science Re

Astronomy and Astrophysics

Astronomy

1

Celestial Bodies, Digital Techniques, Image Processing, Imaging Techniques, Radiation Counters, Astronomical Photometry, Background Noise, Photons, Telescopes

Scientific paper

Digital images of faint astronomical objects have been obtained with the University College London (UCL) Image Photon Counting System. This paper describes the manner in which the images were processed, using the image processing facilities at the Appleton Laboratory, and the interactive data reduction facility at UCL. The processing included reformatting, removal of global variations in detector response and subtraction of the sky background. The effects of background noise and the problems of obtaining accurate photometry of faint objects are also discussed.

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