TITLE:   GCN CIRCULAR
NUMBER:  25996
SUBJECT: GRB 191011A: MASTER OT retraction.
DATE:    19/10/11 10:49:05 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>

V. Lipunov
Sternberg Astronomical Institute, Moscow State University

The GRB 191011A optical transient candidate  published by us in (Lipunov 
et. al. GCN 25989) is a group of hot pixels on a CCD matrix. This is not 
a real GRB afterglow candidate. We sorry for this mistake.