TITLE: GCN CIRCULAR NUMBER: 9670 SUBJECT: GRB 090715B - Liverpool Telescope Optical Afterglow Candidate DATE: 09/07/16 00:25:24 GMT FROM: Carole Mundell at ARI, JMU,Liverpool R.J. Smith, C.G. Mundell, A. Melandri, I.A. Steele, S. Kobayashi, C.J. Mottram, D.F. Bersier, Z. Cano (Liverpool JMU), A. Gomboc (Ljubljana), C. Guidorzi (INAF-OAB) report: "The 2-m Liverpool Telescope robotically followed up GRB090715 (SWIFT trigger 357512; Vetere et al. GCN 9668) beginning 11.07 min after the GRB trigger time. An uncatalogued course is detected at: 16 45 21.67 +44 50 21 (J2000) (positional uncertainty +/-1") with magnitude r' = 19.6 +/- 0.2 mag (wrt SDSS) at T=11.53 min. Observations and analysis are ongoing. This message may be cited"