TITLE: GCN CIRCULAR NUMBER: 25994 SUBJECT: GRB 191011A: correction of reported magnitudes DATE: 19/10/11 08:09:21 GMT FROM: Ana Nicuesa at TLS Tautenburg A. Nicuesa Guelbenzu (TLS Tautenburg) reports: An error occurred in the previous data reduction. Corrected AB magnitudes are (midtime of the observations: 04:42 UT, Oct. 11): g' = 19.97 +/- 0.08 mag, r' = 19.46 +/- 0.05 mag, i' = 19.08 +/- 0.07 mag, z' = 18.79 +/- 0.10 mag, J = 18.79 +/- 0.06 mag, and H = 18.61 +/- 0.06 mag, calibrated against PanSTARRS and 2MASS field stars.