AP-06

OPTICAL OBSERVATIONS GRB981220 AND GRB 981226

Aleksey Shlyapnikov, Sergei Guziy, Rene Hudec

We present observations the field of GRB981220 (54 hour after burst) and field of GRB981226 (55 hours after burst) with using the 0.7-metre telescope at the N.D.Kalinenkov's astronomical observatory of Nikolaev's State University with CCD SBIG ST-7. Total integration time was 1440-s (8x180s) in V-band for GRB981220 and 1800-s (10x180s) in R-band for GRB981226 fields. No new object brighter than about V=19.1 and R=17.8 was identified in or near the GRB981220 and GRB981226 fields in comparisons with the Digital Sky Survey.