TITLE: GCN CIRCULAR NUMBER: 13066 SUBJECT: GRB 120312A, the review of the sky area in plate archives DATE: 12/03/15 16:45:55 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 120312A (V. Mangano et al. GCN Circ.13053) 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 19810626/221142 GUA040C001973B 34.0 15.00 1125-07810808 19810626/221142 GUA040D001974 34.0 15.00 1125-07810808 19870424/003510 GUA040C001043A 18.0 16.10 1125-07808472 19870424/010141 GUA040C001044 16.0 15.00 1125-07810808 19890601/214206 GUA040C001474 18.0 16.65 1125-07808939 19900621/205220 GUA040C001663A 16.5 15.00 1125-07810808 19910615/211004 GUA040C001806A 22.5 16.10 1125-07808472 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 24 minutes area around the location given in V. Mangano et al. GCN Circ.13053: RA(J2000)= 16h 47m 09.16s, Dec(J2000)= +23d 51' 29.4" Star USNOA2 - Comparison star. The preview images of 7 areas together with the 24x24 min.of arc area from SkyMap can be found in http://gua.db.ukr-vo.org/img/grb/120312A/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