Ground based low light astronomy

Details Ground based low light astronomy Ground based low light astronomy

Jan 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977conph..18...23b&link_type=abstract

Contemporary Physics, vol. 18, Jan. 1977, p. 23-46.

Physics

1

Astronomical Photometry, Cameras, Optical Measuring Instruments, Image Enhancement, Lallemand Cameras, Photographic Plates, Photoreceptors, Reflectance, Stellar Luminosity, Telescopes, Television Equipment

Scientific paper

Advances in light-sensing and light-recording systems for use in astronomy are reviewed historically. The behavior of the photopic eye, refractor and reflector telescopes; direct photography, emulsion plates, and the use of photography for integration of low light and as permanent record; controlled reflection at optical surfaces (metal coatings, films, multilayer coatings); superpositioning image slicers; electronic cameras (Lallemand camera, Kron tube, RGO electronographic camera); television imagery; and photon counting detectors are reviewed. Vast areas of improvement still open in enhancing device efficiencies (particularly in the red and infrared), and expanding the photon counting technique to two-dimensional images, are indicated.

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