TITLE: GCN CIRCULAR NUMBER: 13125 SUBJECT: GRB 120327A: Liverpool Telescope Observations DATE: 12/03/27 04:16:30 GMT FROM: James Smith at ARI,Liverpool John Moors U R.J. Smith, Francisco Virgili (Liverpool JMU) report on behalf of the LJMU GRB group: The 2-m Liverpool Telescope automatically observed Swift GRB 120327A (Sbarufatti et al., GCN Circ. 13123) on March 27, from 03:22:59.1 UT, corresponding to 27.7 minutes after the BAT trigger time. Within the XRT error circle we clearly detect an fading optical source at 16:27:27.46 , -29:24:54.00 J2000 with an uncertainty of 0.6 arcsec, confirming the observations of Klotz et al (GCN 13124). We estimate the magnitude of the afterglow as follows: Mid time from Exp Filter Magnitude GRB (min) (s) --------------------------------------------- 34.9 10 R 16.1 +/- 0.3 64.5 60 R 17.0 +/- 0.3 --------------------------------------------- Magnitudes are calibrated against nearby USNOB-1 stars. Observations are continuing.