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

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990cha%26a..14..454w&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 14, Issue 4, p. 454-460.

Astronomy and Astrophysics

Astrophysics

Image Processing, Sky Background

Scientific paper

Considering the errors transmitted from all pre-treatments, I suggest a ``division'' method for removing the sky background including interference fringes in CCD images. 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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