TITLE: GCN GRB OBSERVATION REPORT NUMBER: 3224 SUBJECT: GRB 050410, optical observations DATE: 05/04/10 20:44:11 GMT FROM: Sylvio Klose at TLS Tautenburg B. Stecklum, S. Klose, U. Laux, Thuringer Landessternwarte Tautenburg, J. Greiner, MPE Garching, report: Tautenburg started observing the error box of GRB 050410 on Apr 10, 20:10 UT. A first inspection of the first R-band images does not show a source in the Swift/XRT error circle (La Parola et al. 2005, GCN 3218) down to the DSS2 red limit.