Estimate magnitude CCD SN2002an 20020408.883 172CR Van SN2002bo 20020404.860 142CR Lef SN2002bo 20020408.926 143CR Van SN2002bu 20020408.988 156CR Van SN2002bx 20020408.907 164CR Van Observer: Jean Benoit DE Vanssay (Van)Observatory code UAI 222 Essonne,( France); C11+ red 3.3 f=980mm; Camera Hisis22 ech=1.9"/p ; software: Qmips and PRISM; 2002an:comparison stars 155, 167 Image Odd Trondal 2002bo:comparison stars 142, 153 Image Odd Trondal 2002bu:comparison stars 143, 151 Image Odd Trondal 2002bx:comparison stars 156, 163 Image Odd Trondal Images: http://vsnet.astrosurf.com/snaude/images/2002/02buDV_C200204082343.JPG http://vsnet.astrosurf.com/snaude/images/2002/02boDV_C200204082213.JPG http://vsnet.astrosurf.com/snaude/images/2002/02anDV_C200204082112.JPG http://vsnet.astrosurf.com/snaude/images/2002/02bxDV_C200204082147.JPG Observer:Didier Lefoulon (Lef):Observatory: Chinon (France)long: (00° 15' 45" E lat: 47° 10' 28" N alt: 90m ); C8, f=2000mm ech=1.85"; ST7E filters 2002bo:comparison stars (Image Odd Trondal) 142,153 Jean-Marie LLAPASSET Obs 635 Perpignan (France) http://perso.wanadoo.fr/jm.llapasset http://vsnet.astrosurf.com/snaude/