Several Problems in Preliminary Processing of CCD Raw Images

Wu Guangjie. Several Problems in Preliminary Processing of CCD Raw Images[J]. Astronomical Techniques and Instruments, 1991, (2): 41-45.

Citation:

Wu Guangjie. Several Problems in Preliminary Processing of CCD Raw Images[J]. Astronomical Techniques and Instruments, 1991, (2): 41-45.

Citation:

Wu Guangjie. Several Problems in Preliminary Processing of CCD Raw Images[J]. Astronomical Techniques and Instruments, 1991, (2): 41-45.

Abstract

It is discussed in this paper how to make and process a "bias", "flat" and a "sky background with fringe" in the preliminary processing of CCD observations. In addition, the "median" method of getting a standard background image is introduced in some detail.

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