R magnitudes in four ESO fields
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The tables present a R-band CCD photometric sequence of stars for calibrating ESO/SERC(R) survey plates in the region of the Shapley supercluster of galaxies. The observations...

The tables present a R-band CCD photometric sequence of stars for calibrating ESO/SERC(R) survey plates in the region of the Shapley supercluster of galaxies. The observations...