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Daytime site testing at Dome C: Results of 2003–2004 campaign

  • M. Giard, F. Casoli, F. Paletou, E. Aristidi (a1), A. Agabi (a1), E. Fossat (a1), T. Travouillon (a2), M. Azouit (a1), J. Vernin (a1), A. Ziad (a1), F. Martin (a1) and G. Robuchon (a1)...


We present results of daytime site testing at Dome C in summer 2003–2004. Daytime seeing has been monitored during 2 $\frac{1}{2}$ months using a DIMM on the bright star Canopus, giving median value of 0.54 arcsec. An every-day best seeing period has been observed around 5 pm with seeing around 0.3 arcsec. First isoplanatic angle measurements, based on stellar scintillation, were also performed during the month of January 2004, and have given median value of 6.8 arcsec.


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