Estimate magnitude CCD SN2002bo 20020415.048 143CR Claude Boivin SN2002bo 20020416.961 144CR Lef Observer:Claude Boivin (BOI);Obs 827, St Felicien,(Canada) ;C11 280mm at F/D=4; software PRISM;comparison with stars USNO http://vsnet.astrosurf.com/snweb/2002/02bo/images/02boBO_C200204150103.jpg Observer:Didier Lefoulon (Lef):Observatory: Chinon (France)long: (00° 15' 45" E lat: 47° 10' 28" N alt: 90m ); C8, f=1400mm ech=1.85"; ST7E filters AUDE;Software Prism;comparison with stars ( Image OT) 142/153 http://vsnet.astrosurf.com/snweb/2002/02bo/images/02boLF_C200204162304.jpg Jean-Marie LLAPASSET Obs 635 Perpignan (France) http://perso.wanadoo.fr/jm.llapasset Site SN: http://vsnet.astrosurf.com/snweb/ (ex) http://vsnet.astrosurf.com/snaude/