TITLE: GCN CIRCULAR NUMBER: 13233 SUBJECT: GRB 120404A: JCMT SCUBA-2 sub-mm observation DATE: 12/04/06 21:32:06 GMT FROM: Ian Smith at Rice U I.A. Smith (Rice U.), R.P.J. Tilanus (JAC), N.R. Tanvir (U. of Leicester), D.A. Frail (NRAO) report: We observed the counterpart to GRB 120404A (Stratta et al., GCN Circ. 13208) using the SCUBA-2 sub-millimeter continuum camera on the James Clerk Maxwell Telescope. The observation started at 13:50 UT on 2012-04-04, corresponding to 59 minutes after the burst trigger. Exposures totaling one hour were made in marginal weather conditions. No source was detected, with a preliminary RMS of 4.1 mJy at 850 microns. We thank William Montgomerie for his prompt support of these observations.