Fig. 2.

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Near-infrared light curves of an RRL variable (left) found in all dithered frames and a T2C (right) located in the outskirt of one of the dithered frames at each epoch. Left: gray symbols show all photometric measurements (see Nf columns in Table 1) obtained from the dithered frames at a given epoch, and the black symbols represent the weighted mean magnitudes. Right: no weighted averaging was performed.
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