TITLE:   GCN CIRCULAR
NUMBER:  14521
SUBJECT: GRB 130427A: ABT optical observations
DATE:    13/05/01 14:15:39 GMT
FROM:    Klaas Wiersema at U Leicester  <kw113@leicester.ac.uk>

I. van de Stadt (AWSV Metius, the Netherlands), K. Wiersema (U. of Leicester),
T. Bekkers (AWSV Metius), M. Seynen (AWSV Metius) and
F. Nieuwenhout (AWSV Metius) report:

We observed the afterglow of GRB 130427A with the ABT, a 10-inch remote controlled observatory in Alkmaar,
The Netherlands. In a series of V band exposures the afterglow is detected with
V=18.70 +/- 0.13 mag at midtime 1.633 days after burst.