293.76840-52.84386 0.2 320 324 3682 4751.64 9354.13 1.25034 1491218 SN1998bw.fits SN 1998bw observed flux values (extestion 1) 293.76875-52.84440 0.2 320 324 3682 4750.31 9351.56 1.25000 1491218 SN1998bw.fits SN 1998bw estimated variance (extension 2)