TITLE: GCN CIRCULAR NUMBER: 15577 SUBJECT: GRB 131127B: Bassano Bresciano Observatory,archival confirmation of iPTF13ecv DATE: 13/12/04 16:29:52 GMT FROM: Ulisse Quadri at Bassano Bresciano Obs U.Quadri, L.Strabla and R.Girelli of the (IAU station 565) Bassano Bresciano Observatory, Italy (member of ISSP:Italian Supernovae Search Project) report: Follow the GCN 15575 (D. Denisenko - Sternberg Astronomical Institute at Moscow State University), we communicate that the optical transient iPTF13ecv (Singer et al., GCN 15524) is also present in the POSS1-BLUE plate on 1953-08-16. with magnitude = 20.1 +/- 0.2 Magnitude were estimated with the USNO-B1 cat. The image are available at: http://archive.stsci.edu/cgi-bin/dss_search?v=poss1_blue&r=20+31+48&d=00+59+23&e=J2000&h=15.0&w=15.0&f=gif The message may be cited.