Estimates magnitude CCD-C (AUDE) SN2000cx 20000808.078 14.1V Raoul Berhend SN2000cx 20000808.086 14.3V Raoul Berhend SN2000cx 20000824.904 146CR JTe SN2000cx 20000826.930 148CR JTe SN2000cx 20000830.977 151CR JTe SN2000cx 20000831.895 154CR Ley SN2000cx 20000831.895 158C Ley SN2000cx 20000901.098 152CR LLA SN2000dg 20000831.912 173CR Ley Observer: Raoul Behrend, Observatory Geneve. C8 + CCD; ech=2.2; software personnal; Observer:Cedric Leyrat (Ley);Observatory of School of Mauguio (Observatory 180) France; LX 200+st7; software PRiSM;comparison with stars comparison with stars stars 1,2,3 APO Observer:Jean Paul Teng (JTe);Observatory of Makes (Code: 181)(Ile de la Reunion)55d24'34"E and 21d11'56"S;T 0.21m at F/D 3.1;Camera ST7 Software Prism;comparison with star 5 APO Observer: Jean Marie Llapasset (LLA): Observatory 635 Perpignan (France);C11;ech=2"/pixel;ST7E;filters Shott; software PRiSM; Comparison comparison with stars 2,3,5,6 seq APO