TITLE: GCN CIRCULAR NUMBER: 10573 SUBJECT: IBAS Alert n. 5995: not a GRB DATE: 10/04/03 19:07:40 GMT FROM: Sandro Mereghetti at IASF/CNR S.Mereghetti, on behalf of the IBAS Localization Team report: the IBAS trigger n.5995 is not due to a GRB, but to the galactic source 1A0535+26 that was not automatically recognized due to inaccurate attitude information