TITLE:   GCN CIRCULAR
NUMBER:  14509
SUBJECT: GRB 130427A: further GMG observations
DATE:    13/04/29 22:59:58 GMT
FROM:    Xiao-hong Zhao at Yunnan Obs  <zhaoxiaohong78@gmail.com>

X.-H. Zhao (YNAO and PSU), J. Mao (RIKEN and YNAO), J. G. Wang(YNAO), J.-M. Bai 
(YNAO) report on behalf of a larger collaboration:

We further observed the afterglow of GRB 130427A (Maselli et al., GCN 14448) with 2.4m Gao-Mei-Gu (GMG) telescope on Apr 28 and Apr 29. 
The sloan filter of r' was used. The magnitudes of the afterglow are 
r'~18.2  31.16 hrs after trigger
r'~18.9  53.37 hrs after trigger 

We thank the GMG staff, especially Hong-Yan Gao, Jian-Duo He and Gui-Hua He for performing these observations.