Table 1: Details concerning the pointings for the U deep field. Filter central wavelengths and FWHM are given before and after (in italics) the convolution with the telescope, CCD and atmosphere transmissions. The area includes only the region where sources have been included in the catalog: it does not include border regions with vignetting or a low signal to noise ratio.
Pointing Date Filter $\lambda_{c}$ FWHM Area Ditherings Tot. exp Seeing
      (Å) (Å) ($\deg^2$)   (h) (arcsec)
1 Nov. 99 Loiano 3620 3750 527 460 0.27 $25\times2000$ s 13.9 1.4
2 Oct. 00, Nov. 00 ESO U/360 3404 3540 732 536 0.30 $22 \times 1000$ s + 25 $\times$ 2000 s 20.3 1.3
3 Aug. 01, Oct. 01, Apr. 02 ESO U/360 3404 3540 732 536 0.29 $32 \times 2000$ s 17.8 1.2


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