TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  2757
SUBJECT: IBAS Alert 1991. Not a real GRB
DATE:    04/09/30 06:42:14 GMT
FROM:    Sandro Mereghetti at IASF/CNR  <sandro@mi.iasf.cnr.it>

S.Mereghetti (IASF-Milano) on behalf of the IBAS Localization Team
reports:

The IBAS Alert #1991 is not due to a GRB