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19962023
most citedX-shooter, the new wide band intermediate resolution spectrograph at the ESO Very Large Telescope

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astro-ph2003★ 13 cited

A robust algorithm for sky background computation in CCD images

F. Patat

In this paper we present a non-interactive algorithm to estimate a representative value for the sky background on CCD images. The method we have devised uses the mode as a robust e…