TITLE: GCN CIRCULAR NUMBER: 24247 SUBJECT: LIGO/Virgo S190426c: SAO optical observation DATE: 19/04/26 20:31:00 GMT FROM: Gu Lim at Seoul National U Gu Lim (SNU), Myungshin Im (SNU), Gregory S.H. Paek (SNU), Joonho Kim (SNU), Sungyong Hwang (SNU), Bomi Park (SNU), Sophia Kim (SNU), Changsu Choi (SNU), Hyung Mok Lee (KASI), on behalf of a larger collaboration We observed host galaxy candidates in the 90% localization area of S190426c using SNU Astronomical Observatory (SAO) 1m telescope, starting at 2019-04-26 16:27:00 UT. We covered 19 candidate hosts as listed below. No apparently bright transient has been spotted in these galaxies. NAME RA DEC 2MASS+20242545+4854496 20:24:25.452 48:54:49.662 2MASS+20382080+5932155 20:38:20.808 59:32:15.504 2MASS+20435949+5314323 20:43:59.495 53:14:32.302 2MASS+20282997+5119418 20:28:29.978 51:19:41.855 2MASS+20250165+5251250 20:25:1.655 52:51:25.099 2MASS+01300015+8211097 01:30:0.151 82:11:9.780 2MASS+20252061+6132513 20:25:20.618 61:32:51.385 2MASS+01111091+8130123 01:11:10.914 81:30:12.305 2MASS+20461177+5629408 20:46:11.770 56:29:40.830 2MASS+20210572+4858452 20:21:5.728 48:58:45.224 2MASS+20255146+5356137 20:25:51.467 53:56:13.765 2MASS+20225227+4905194 20:22:52.273 49:05:19.468 PGC2352175 20:18:7.244 49:44:43.465 2MASS+20201548+4720364 20:20:15.483 47:20:36.402 2MASS+20203838+4734038 20:20:38.386 47:34:3.882 2MASS+20532613+6326079 20:53:26.133 63:26:7.915 2MASS+20343526+5423228 20:34:35.266 54:23:22.859 2MASS+20260256+5552523 20:26:2.563 55:52:52.399 2MASS+20254165+5323347 20:25:41.653 53:23:34.778 ���