Estimates magnitude CCD-C (AUDE) SN2001 20010218.841 155CR Dup SN2001C 20010219.919 157CR Dup SN2001V 20010221.932 149CR Ley SN2001V 20010221.900 156Rc Ley SN2001V 20010222.896 148CR Ley Observer:Claude DUPUY (Dup):Le Mesnil St Denis (France); SC 280 F=1800; Camera st7;Software Prism;2001B:comparison with stars 138,153,139 (O trondal)2001C:comparison with stars 133,142,154 (O trondal) Images: http://aude.geoman.net/observation/SN/images/2001/01C_DU10.jpg http://aude.geoman.net/observation/SN/images/2001/01C_DU10.jpg Observer:Cedric Leyrat (Ley);Observatory of School of Mauguio (Observatory 180) France; LX 200+st7; software PRiSM;comparison with 4 stars (O trondal) Images: http://aude.geoman.net/observation/SN/images/2001/O1V_LE10.jpg http://aude.geoman.net/observation/SN/images/2001/O1V_LE11.jpg Observer: Pierre Antonini:Observatory 132 Bedoin camera hisis22; software Qmips32 and PRISM Image 2001V pre discovery du 20010219.066 (m=16) http://aude.geoman.net/observation/SN/images/2001/O1V_AN10.jpg Jean Marie Llapasset Obs 635 Perpignan (France) jean-marie.llapasset@wanadoo.fr http://perso.wanadoo.fr/jm.llapasset/ http://aude.geoman.net/observation/SN/sn.html