CCD observation of SN1993J

  CCD observation of SN1993J at Ouda

      mid-UT       SN-*C
                 ave  stdev   N band
   ------------------------------------
    931212.819  1.808 0.045   6 V
    931212.840  2.487 0.127   6 Ic
    931212.877  1.607 0.051   6 B

  systems: uncorrected Ouda system (Johnson B,V, and Kron-Cousins I)
  comparison: Richmond star C
  stdev: 1-sigma for a single frame

  telescope: 60-cm reflector, Ouda Station, Nara, Japan
  observer: T. Kato

  The galaxy background has been tentatively subtracted using a local plane.

  Taichi Kato (Kyoto University)