TITLE: GCN CIRCULAR NUMBER: 24298 SUBJECT: LIGO/Virgo S190426c: COATLI Optical Observations of Galaxies DATE: 19/04/27 19:18:40 GMT FROM: Alan M Watson at UNAM Rosa L. Becerra (UNAM), Alan M. Watson (UNAM), Nat Butler (ASU), Eleonora Troja (GSFC/UMD), Simone Dichiara (UMD), Diego González (UNAM), Alexander Kutyrev (GSFC/UMD), William H. Lee (UNAM), Margarita Pereyra (UNAM), and Tanner Wolfram (ASU) report: We observed 98 galaxies selected from the NED/CLU list for LIGO/Virgo S190426c (Chatterjee et al, GCN Circ. 24237) with the COATLI 50-cm telescope and interim imager at the Observatorio Astronómico Nacional on the Sierra de San Pedro Mártir (http://coatli.astroscu.unam.mx) on the night of 2019-04-27 UTC. For each galaxy, we typically obtained 150 seconds of exposure in the w filter and obtained a typical 10-sigma limiting magnitude of 19.5. Our observations are listed below. Visual inspection reveals no obvious counterpart candidates. We thank the COATLI technical team and the staff of the Observatorio Astronómico Nacional. Start (UTC) 00 0RA and Dec (J2000) Galaxy 2019-04-27 03:38 352.4159 +85.8608 2MASX J23293953+8551387 2019-04-27 03:42 359.6944 +83.1832 MCG +14-01-005 2019-04-27 03:46 344.9978 +88.5296 2MASX J22595902+8831466 2019-04-27 03:50 274.8875 +87.6408 2MASX J18193355+8738264 2019-04-27 03:59 272.7131 +87.6117 2MASX J18105107+8736422 2019-04-27 04:05 263.4949 +88.3113 MCG +15-01-018 2019-04-27 04:13 358.3364 +86.0277 MCG +14-01-004 2019-04-27 04:16 334.1561 +86.9297 2MASX J22163720+8655469 2019-04-27 04:20 346.0840 +86.7498 UGC 12387 2019-04-27 04:24 314.1693 +87.8807 VII Zw 938 2019-04-27 04:28 308.7320 +87.8154 2MASX J20345612+8748562 2019-04-27 04:31 345.8574 +86.7660 UGC 12377 2019-04-27 04:57 275.8067 +86.8905 UGC 11339 2019-04-27 05:02 350.3873 +83.0117 2MASX J23213266+8300409 2019-04-27 05:05 008.0015 +83.2104 2MASX J00320030+8312372 2019-04-27 05:09 012.1694 +83.7556 UGC 00481 2019-04-27 05:12 008.9427 +83.2329 2MASX J00354608+8313586 2019-04-27 05:16 313.5333 +84.0810 UGC 11664 NED01 2019-04-27 05:19 260.0731 +86.7364 UGC 10923 NED02 2019-04-27 06:39 271.6471 +87.8094 UGC 11267 2019-04-27 06:44 268.8382 +87.7292 MCG +15-01-020 2019-04-27 06:48 266.3379 +87.6423 CGCG 370-007 2019-04-27 06:52 259.8809 +86.7384 UGC 10923 NED01 2019-04-27 06:56 343.4309 +81.7412 2MASX J22534338+8144284 2019-04-27 07:00 265.9047 +86.4693 2MASX J17433725+8628095 2019-04-27 07:04 018.9765 +85.1649 CGCG 360-004 2019-04-27 07:07 304.6286 +62.2037 2MASX J20183085+6212133 2019-04-27 07:14 169.1621 -05.6357 LCRS B111406.3-052146 2019-04-27 07:17 306.9895 +62.5326 2MASX J20275744+6231575 2019-04-27 07:21 304.8255 +58.3678 2MASX J20191811+5822039 2019-04-27 07:24 304.2367 +57.0611 2MASX J20165680+5703397 2019-04-27 07:28 305.1467 +56.2499 CGCG 282-003 2019-04-27 07:31 306.7128 +57.3910 2MASX J20265107+5723277 2019-04-27 07:34 309.2900 +60.3766 2MASX J20370963+6022358 2019-04-27 07:38 309.0248 +58.3807 2MASX J20360594+5822504 2019-04-27 07:41 310.0597 +59.5819 2MASX J20401431+5934550 2019-04-27 07:48 309.4146 +57.3066 2MASX J20373949+5718234 2019-04-27 07:51 311.9760 +57.5972 2MASX J20475419+5735501 2019-04-27 07:55 311.7825 +57.5936 4C +57.35 2019-04-27 07:58 312.1427 +57.0269 2MASX J20483420+5701370 2019-04-27 08:01 312.8025 +57.4421 2MASX J20511259+5726315 2019-04-27 08:05 311.4040 +57.5578 2MASX J20453697+5733282 2019-04-27 08:08 312.2525 +57.6652 2MASX J20490061+5739550 2019-04-27 08:11 304.9635 +48.2723 2MASX J20195124+4816205 2019-04-27 08:15 308.2331 +54.5088 UGC 11592 2019-04-27 08:22 309.9248 +59.5971 2MASX J20394194+5935495 2019-04-27 08:26 299.3077 +19.0874 2MASX J19571383+1905142 2019-04-27 08:29 309.7008 +60.6565 2MASX J20384818+6039233 2019-04-27 08:33 301.0079 +19.2880 2MASX J20040188+1917170 2019-04-27 08:36 301.1253 +19.4085 2MASX J20043008+1924304 2019-04-27 08:40 319.1351 +64.0099 2MASX J21163245+6400358 2019-04-27 08:43 309.3741 +61.0047 2MASX J20372983+6100169 2019-04-27 08:47 304.1979 +56.4738 2MASX J20164753+5628258 2019-04-27 08:50 300.7020 +22.4744 V0362 Vul 2019-04-27 08:57 303.7470 +25.3836 2MASX J20145928+2523010 2019-04-27 09:00 308.8950 +55.9269 2MASX J20353480+5555368 2019-04-27 09:04 299.2132 +16.5608 2MASX J19565118+1633389 2019-04-27 09:07 306.7007 +56.5190 2MASX J20264814+5631084 2019-04-27 09:10 311.3915 +57.0962 2MASX J20453392+5705462 2019-04-27 09:14 305.3853 +49.7603 2MASX J20213251+4945372 2019-04-27 09:17 298.8340 +18.3959 2MFGC 15201 2019-04-27 09:21 314.8096 +58.6364 2MASX J20591430+5838107 2019-04-27 09:24 309.0573 +63.7399 UGC 11603 2019-04-27 09:30 308.8765 +59.2313 2MASX J20353036+5913528 2019-04-27 09:35 314.7172 +57.6427 2MASX J20585215+5738335 2019-04-27 09:39 309.3163 +59.8381 2MASX J20371593+5950168 2019-04-27 09:44 303.4031 +64.4171 2MASX J20133671+6425013 2019-04-27 09:48 304.1438 +26.9762 2MASX J20163450+2658344 2019-04-27 09:51 304.6728 +59.4700 MCG +10-29-002 2019-04-27 09:55 301.6173 +18.5862 2MFGC 15313 2019-04-27 09:58 300.9117 +21.5433 2MASX J20033878+2132359 2019-04-27 10:04 310.3060 +63.5107 UGC 11616 2019-04-27 10:09 313.9236 +69.7426 2MASX J20554160+6944333 2019-04-27 10:12 305.4690 +57.5173 2MASX J20215255+5731021 2019-04-27 10:17 302.5725 +48.0059 2MASX J20101740+4800214 2019-04-27 10:21 304.1962 +25.6489 2MASX J20164708+2538564 2019-04-27 10:24 305.1636 +49.7551 2MFGC 15467 2019-04-27 10:28 303.7108 +63.5932 2MASX J20145058+6335356 2019-04-27 10:31 310.9155 +57.6082 2MASX J20433966+5736291 2019-04-27 10:37 313.2613 +66.4034 VII Zw 937 2019-04-27 10:41 308.1690 +60.0050 2MASX J20324060+6000181 2019-04-27 10:44 253.3640 +86.5912 UGC 10740 2019-04-27 10:48 304.1095 +50.2973 2MASX J20162627+5017501 2019-04-27 10:52 303.8571 +60.4465 2MASX J20152569+6026477 2019-04-27 10:55 303.3392 +63.0623 2MASX J20132145+6303444 2019-04-27 10:59 304.6876 +54.4322 2MASX J20184502+5425559 2019-04-27 11:02 353.4731 +80.9441 2MFGC 17682 2019-04-27 11:05 304.5325 +50.8713 2MASX J20180778+5052164 2019-04-27 11:12 302.3811 +48.1482 2MASX J20093146+4808535 2019-04-27 11:16 315.4480 +57.7256 2MASX J21014752+5743323 2019-04-27 11:19 306.0262 +68.2791 2MASX J20240632+6816442 2019-04-27 11:23 304.6915 +54.4077 UGC 11538 2019-04-27 11:26 302.9347 +62.4006 2MASX J20114430+6224020 2019-04-27 11:29 316.2281 +65.7095 2MASX J21045475+6542340 2019-04-27 11:33 305.4544 +44.0110 2MASX J20214907+4400399 2019-04-27 11:36 015.3454 +82.0982 2MASX J01012279+8205535 2019-04-27 11:40 324.9967 +78.4497 2MASX J21395910+7826585 2019-04-27 11:46 292.9330 +02.7058 2MASX J19314391+0242209