Estimates magnitude CCD-C (AUDE) SN1999gi 20000421.846 161CR ROY SN1999gi 20000422.699 162CR JTe SN1999gi 20000424.832 161CR LLA SN1999gi 20000424.842 160Rc LLA SN1999gi 20000424.850 165:V LLA SN2000P 20000423.781 160CR JTe Observer Rene Roy (ROY):Observatory 627 Blauvac (France);TN 256mm F/D=4.7 Kaff400:software PRISM and Qmips32;comparison starsU140, U137, U130, U150, U166, U159. Observer:Jean Paul Teng (JTe);Observatory of Makes (Code: 181)(Ile de la Reunion)55d24'34"E and 21d11'56"S;T 0.21m And foc=610mm;Camera ST7ABG Software Prism;comparison: 1999gi with star U140; 2000P:star 136R. Observer: Jean Marie Llapasset (LLA): Observatory 635 Perpignan (France);C11;ech=2"/pixel;ST7E;filters Shott; software PRiSM; Comparison star 3184-A CR and Rc;V with stars GSC. Jean Marie Llapasset Obs 635 Perpignan (France) http://perso.wanadoo.fr/jm.llapasset/ http://aude.geoman.net/observation/SN/sn.html