TITLE: GCN GRB OBSERVATION REPORT NUMBER: 4911 SUBJECT: GRB 060323: optical observations at TNG DATE: 06/03/24 01:41:34 GMT FROM: Daniele Malesani at SISSA-ISAS,Trieste,Italy S. Covino (INAF/OABr), D. Malesani (SISSA), L.A. Antonelli (INAF/OAR), D. Fugazza (INAF/OABr), V. Lorenzi, G. Tessicini (INAF/TNG), report on behalf of a larger collaboration: We observed the field of GRB 060323 (Vetere et al., GCN 4904) with the Italian 3.6m TNG telescope. Observations were acquired in the V and R filters (10 min exposure). The mean time of the R-band exposure was Mar 23.9738 UT (8.8 hr after the GRB). We clearly detect the object reported by Kann & Stecklum (GCN 4909). Its magnitude, using as a reference the star quoted in GCN 4909 (R=18.65), is R=22.6. Thus, the object seems to have faded. We note however that this candidate lies 9.6" off the center of the XRT error box (Kennea et al., GCN 4908), which has a quoted error radius of 3.9". We retrieved the g-, r-, and i-band frames from the publicly available SDSS survey (Cool et al., GCN 4905). Coadding the three frames, the afterglow candidate is clearly visible, thus casting some doubt on its nature. Inspection of the XRT error circle, moreover, reveals a faint, pointlike source at the coordinates (J2000): alpha = 11:37:45.25 delta = +49:59:07.3 Its magnitude is R~23.1 (referenced to the same comparison star). It is also barely visible in the V-band images. We thus consider also this object as a plausible afterglow candidate. Further observations are encouraged. We thank the TNG staff for their valuable support. This message can be cited. [GCN OPS NOTE(27mar06): Per author's request, Lorenzi and Tessicini were added to the author list.]