TITLE: GCN CIRCULAR NUMBER: 36131 SUBJECT: GRB 240414A: GMG observation DATE: 24/04/16 06:54:24 GMT FROM: wangbaiting@ynao.ac.cn B.-T. Wang, R.-Z. Li, J. Mao, X.-L. Zhang, J.-M. Bai (YNAO) report: We observed the field of GRB 240414A (Caputo et al. GCN 36083) by the GMG telescope in Yunnan observatories. The observation time began from UT 14:25:26.531 April 14, 2024, about 12 hours from the trigger. The preliminary results are shown as ---------------------------------------------------- UT filter mag ---------------------------------------------------- 2024-04-14T14:25:26.531 sdssr 20.6 ± 0.3 ----------------------------------------------------