TITLE: GCN GRB OBSERVATION REPORT NUMBER: 1946 SUBJECT: GRB 030320: Optical Observations DATE: 03/03/24 14:49:59 GMT FROM: Avishay Gal-Yam at Tel Aviv U, Israel A. Gal-Yam and E. O. Ofek (Wise observatory, TAU) report: We have observed the full error box of GRB 030320 (Mereghetti et al. 2003, GCN 1341; Hurley et al. 2003, GCN 1943) using the Wise observatory 1m telescope + Tek CCD camera, starting March 21, 02:42 UT (16.9 hours after the burst). Two 300 s R-band frames were obtained under poor conditions at high airmass. Comparison of the combined image with the POSS-II E plate reveals no new optical sources, to a limiting magnitude of R=17.5, within the IBIS error circle. [GCN OPS NOTE (24mar03): This submission was delayed 2.5 hours due to an email account change. And in general, I remind people to help me help you by keeping me advised of your address changes.]