A 'division' treatment of the sky background in CCD images

Details A 'division' treatment of the sky background in CCD images A 'division' treatment of the sky background in CCD images

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990acasn..31..181w&link_type=abstract

(Acta Astronomica Sinica, vol. 31, no. 2, 1990, p. 181-186) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 14, Dec. 1

Astronomy and Astrophysics

Astronomy

Background Radiation, Charge Coupled Devices, Image Processing, Seeing (Astronomy), Sky Brightness, Astronomical Photometry, Error Analysis, Sky Radiation

Scientific paper

Considering the errors transmitted from all pretreatments, a 'division' method for removing the sky background (including interference fringes) in CCD images is suggested. Compared to the traditional method, which may be called a 'subtraction' method, the 'division' method is easier to carry out and gives more accurate brightness measurement, especially for the fainter images.

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