Estimates magnitude CCD-C (AUDE) SN2000B 20000304.842 179:CR PIN SN2000P 20000313.045 146CR PIN SN1999gi 20000316.031 146CR Dup Observer:Claude DUPUY (Dup):Le Mesnil St Denis (France); SC 280 F=980; Camera st7;Software Prism; comparison star 3184-A. Observer:Paul PINEL (PIN): Observatory: Poitou (France); camera Kaff400 (Hisis22);F=1575mm; software Qmips32 and Prism.SN200B Comparison with sequence F Colas (Pis du midi). Jean Marie Llapasset Obs 635 Perpignan (France) http://perso.wanadoo.fr/jm.llapasset/ http://aude.geoman.net/observation/SN/sn.html