Estimates magnitude CCD-C (AUDE) SN1999em 20000306.833 155CR Dup SN1999em 20000306.845 156CR MSe SN1999em 20000308.870 154CR ROY SN1999gi 20000308.901 149CR ROY SN1999gi 20000309.881 146CR LLA SN1999gn 20000305.029 157CR PIN SN1999gn 20000309.926 154CR LLA Observer:Claude DUPUY (Dup):Le Mesnil St Denis (France); SC 280 F=980; Camera st7; Software Prism.Comparison seqence vsnet chat 2389 Observer: Jean Marie Llapasset (LLA): Observatory 635 Perpignan (France;)C11;ech=2"/pixel;ST7E;filters Shott; software PRiSM; Comparison star 3184-A et stars UNO SA2.0 Observer Rene Roy:Observatory 627 Blauvac (France);TN 256mm F/D=4.7 Kaff400:software PRISM and Qmips32 Observer:Paul PINEL (PIN): Observatory: Poitou (France); camera Kaff400 (Hisis22);F=1575mm; software Qmips32 and Prism. Observateur: Marc SERRAU (MSe), Cesson (France),Long 2.599暗 Lat 48.555偉,Alt 72m; C8 f/10;HiSIS23;software QMips32, PRiSM V3;Comparison star sequence vsnet-chat2389: Jean Marie Llapasset Obs 635 Perpignan (France) http://perso.wanadoo.fr/jm.llapasset/ http://aude.geoman.net/observation/SN/sn.html