TITLE: GCN CIRCULAR NUMBER: 24675 SUBJECT: IceCube-190504A: Kanata optical/NIR follow-up observations DATE: 19/05/30 01:42:31 GMT FROM: Mahito Sasada at Hiroshima University Sasada, M., Nakaoka, T., Akitaya, H., Kawabata K., S. (Hiroshima U), Utsumi, Y. (Stanford/SLAC), Itoh, R. (Bisei Astronomical Observatory), Morokuma, T. (U. Tokyo), Ohta, K., Yamanaka, M. (Kyoto U) In response to the IceCube-190503A alert (GCN Circular No. 24378), HONIR -- the optical-NIR muti-band simultaneous multi-capable instrument -- on the 1.5m Kanata telescope observed possible Blazar candidates. The candidates were selected from our sample prepared for finding an IceCube counterpart. None of them were flared up within two days observations. We also checked our images with archival PanSTARRS images, and didn't find any transient. ra, dec, 5/4 R J Ks, 5/5 R J Ks 119.797654, 6.627546, 19.6 18.8 ----, 19.4 19.0 ---- 120.038609, 6.164517, 20.3 19.4 17.4, 19.3 19.3 17.0 120.222161, 6.857248, 16.0 ---- ----, 17.7 17.9 ---- 120.267315, 6.441576, 19.1 18.6 ----, 18.6 18.6 ---- 120.318049, 6.476643, 17.3 15.8 ----, 17.6 18.0 ---- 120.375726, 6.197231, 19.8 19.2 17.5, 19.8 19.3 13.0 All limiting magnitudes with 5 sigma in AB unit are calibrated with PanSTARRS and 2MASS point sources. This result is consistent with GCN Circular No. 24409. We acknowledge OISTER collaboration.