TITLE: GCN CIRCULAR NUMBER: 7683 SUBJECT: GRB 080503: Observations from NOT DATE: 08/05/06 04:45:03 GMT FROM: Antonio Deugarte at IAA-CSIC A. de Ugarte Postigo, (ESO), C. C. Thöne, D. Malesani, J. P. U. Fynbo (DARK) and T. Purismo (NOT) on behalf of a larger collaboration report: We have observed the field of GRB 080503 (Mao et al., GCN 7665) from the 2.5m NOT (+MOSCA) under bad atmospheric conditions. We do not detect the object reported by Perley et al. (GCN 7678) down to a 3-sigma limiting magnitude of R~21.7 at a mean time of 6.091 May 2008 UT (2.573 days after the burst).