Estimate magnitude CCD SN2005cf 20050610.945 13.44CR Nic Observer: Joel Nicolas (Nic); Observatory Vallauris (France); Tel:0.35-m F/6.7;ech=0.8";camera ST7;software PrismV5 and AIP4WIN; comparison with star OT 145/151 Jean-Marie Llapasset Obs 635 Perpignan (France)