TITLE: GCN GRB OBSERVATION REPORT NUMBER: 1404 SUBJECT: GRB020531, optical observation DATE: 02/06/01 21:20:18 GMT FROM: Hye-Sook Park at LLNL H. S. Park, G. G. Williams, K. Lindsay on behalf of the Super-LOTIS collaboration: Super-LOTIS observed 95% of the IPN error box for GRB020531(GCNC#1402). The observation began at UTC 2002 May 31 04:04 (3.6 hrs after the burst). We find no optical transient in a sum of 20 images (60 s integration each). The limiting magnitude is R~17.5. This message is citable.