Fig. 4.
Examples of raw images (left column), data employed for the calibration of the CCD recording device (middle column), and calibrated images (right panels) from the Ko (first row), MS (middle row), and RP1 (bottom row) archives taken on 19/08/2006, 19/12/1995, and 28/02/2020, respectively. The images have not been compensated for ephemeris and are shown in their entire range of values.
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