TITLE: GCN CIRCULAR NUMBER: 13063 SUBJECT: GRB 120311A, the review of the sky area in plate archives DATE: 12/03/13 20:44:54 GMT FROM: Valentyna Golovnya at Main Astro Obs,Kyiv V.V.Golovnya (Main Astro Obs, Kyiv) report: We have undertaken the review of the sky area in vicinity of GRB 120311A (M.R. Goad et al. GCN Circ.13035) on astronegatives, collected in Ukrainian NAS Main astronomical observatory plate archive (1976-1996). All the plates with the possible object appearance are digitized using Microtek ScanMaker 9800XL TMA and Epson Expression 10000XL flatbed scanners and have been placed into Golosiiv Plate Archive database DBGPA with open access to them. The list of plates is given in the table: YYYYMMDD/TimeUT --Plates-- Exp. LimMag Star USNOA2 19840817/191914 GUA040C002619 40.1 14.50 0975-10768885 19840817/191917 GUA040D002620 40.1 14.50 0975-10768885 19860613/221841 GUA040C002948 41.7 16.20 0975-10753116 19860613/221846 GUA040D002949 41.7 15.95 0975-10751623 19870630/215915 GUA040C003102 50.5 16.20 0975-10753116 19900627/221058 GUA040C001669 19.0 16.20 0975-10753116 19900628/215100 GUA040C001976 18.0 16.20 0975-10753116 19910619/224921 GUA040C001815 18.0 14.75 0975-10758776 19910704/210331 GUA040C001818A 25.0 15.95 0975-10751623 Plates: –the plates archive identifier of DWA (D/F=400/2000, GUA040C, M=103"/mm) of the Ukrainian NAS Main Astro obs. GUA040D (Marsden's number - 83) the plate number [1]. Exp. - Duration of the maximum exposure (minutes). LimM - Limited V mag, derived in the 25 minutes area around the location given in M.R. Goad et al. GCN Circ.13035: RA(J2000)= 18h 12m 22.08s, Dec(J2000)= +14d 17' 47.2" Star USNOA2 - Comparison star. The preview images of 9 areas together with the 25x25 min.of arc area from SkyMap can be found in http://gua.db.ukr-vo.org/img/grb/120311A/index.html The images with full resolution are available via e-mail on demand. References: 1.L.Pakuliak DATABASE of GOLOSIIV PLATE ARCHIVE (DBGPA V2.0), http://gua.db.ukr-vo.org