TITLE: GCN CIRCULAR NUMBER: 17683 SUBJECT: GRB 150407A: optical observations DATE: 15/04/07 23:02:42 GMT FROM: Klaas Wiersema at U Leicester K. Wiersema (University of Leicester) reports on behalf of the Oadby Transients Team: We observed the field of possible GRB 150407A (Palmer et al. GCN 17682) using the 0.5m telescope of the observatory of the University of Leicester, at Oadby (UK). In a series of V band exposures, with midpoint 21.32 UT on 7 April 2015 (~0.88 days after burst, GCN 17682), we find no source brighter than the DSS limit, in or near the BAT error circle (GCN 17682).