The CCD camera - A revolutionary new astronomical detector

Details The CCD camera - A revolutionary new astronomical detector The CCD camera - A revolutionary new astronomical detector

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982iraj...15..271w&link_type=abstract

Irish Astronomical Journal (ISSN 0021-1052), vol. 15, Sept. 1982, p. 271-280.

Astronomy and Astrophysics

Astronomy

Astronomical Photography, Cameras, Charge Coupled Devices, Image Processing, Photographic Plates, Quantum Efficiency

Scientific paper

The application of CCD arrays to astronomical observations is considered. The operating principles of CCDs are introduced, the problems of array construction and data storage are indicated, and the advantages of CCD dynamic range and quantum efficiency are weighed against the higher resolution and information content of modern photographic plates. Digital image-processing techniques are shown to permit automatic correction for dark current, cosmic background, and the characteristics of individual CCDs or particular columns or rows (using flat-fielding and residual-pattern removal). The observational routine of CCD-camera astronomy is described, and sample images are provided.

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