ACP console log opened 14-Nov-2016 12:40:34 UTC This is ACP version 6.0 (build 14, Special for Wodaski Alt/Az Scope) Licensed to Arne Henden 12:40:34 This is AutoFlat version 6.1.5 12:40:34 Using flat plan SchedulerDawnFlats.txt 12:40:34 Waiting to start dawn flats at 5:53:44 AM 12:40:34 (tracking off) 12:49:44 (tracking on) 12:49:44 Start slew to flat area... 12:49:45 (wait for slew to complete) 12:49:52 (slew complete) 12:53:44 Starting dawn flats. High Sun at 6:33:43 AM 12:53:44 Starting flat field acquisition. 12:53:44 Reducing slew settle time to 0 sec. 12:53:44 **Filter C does not exist. Skipping this flat set. 12:53:44 Doing 5 flats in I at binning 1 12:53:44 Start slew to flat area... 12:53:45 Switching from V to I filter for imaging 12:53:45 Focus change of -25 steps required 12:53:55 TEST I: 10 sec at bin 1 12:53:56 Testing with 64 x 64 sub-frame 12:53:56 Camera exposing 12:54:08 Exposure complete 12:54:09 Image downloaded 12:54:10 Background mean = 416 (ADU) 12:54:10 Still too dark - waiting 15 sec. to try again... 12:54:25 ...wait complete. Sun is now at -8.9 deg. elevation 12:54:25 TEST I: 10 sec at bin 1 12:54:25 Testing with 64 x 64 sub-frame 12:54:25 Camera exposing 12:54:37 Exposure complete 12:54:38 Image downloaded 12:54:39 Background mean = 430 (ADU) 12:54:39 Still too dark - waiting 15 sec. to try again... 12:54:54 ...wait complete. Sun is now at -8.8 deg. elevation 12:54:54 TEST I: 10 sec at bin 1 12:54:54 Testing with 64 x 64 sub-frame 12:54:54 Camera exposing 12:55:06 Exposure complete 12:55:08 Image downloaded 12:55:08 Background mean = 444 (ADU) 12:55:08 Still too dark - waiting 15 sec. to try again... 12:55:23 ...wait complete. Sun is now at -8.7 deg. elevation 12:55:23 TEST I: 10 sec at bin 1 12:55:23 Testing with 64 x 64 sub-frame 12:55:23 Camera exposing 12:55:36 Exposure complete 12:55:37 Image downloaded 12:55:37 Background mean = 462 (ADU) 12:55:37 Still too dark - waiting 15 sec. to try again... 12:55:52 ...wait complete. Sun is now at -8.6 deg. elevation 12:55:52 TEST I: 10 sec at bin 1 12:55:53 Testing with 64 x 64 sub-frame 12:55:53 Camera exposing 12:56:05 Exposure complete 12:56:06 Image downloaded 12:56:07 Background mean = 479 (ADU) 12:56:07 Still too dark - waiting 15 sec. to try again... 12:56:22 ...wait complete. Sun is now at -8.5 deg. elevation 12:56:22 TEST I: 10 sec at bin 1 12:56:22 Testing with 64 x 64 sub-frame 12:56:22 Camera exposing 12:56:35 Exposure complete 12:56:36 Image downloaded 12:56:37 Background mean = 503 (ADU) 12:56:37 Still too dark - waiting 15 sec. to try again... 12:56:52 ...wait complete. Sun is now at -8.4 deg. elevation 12:56:52 TEST I: 10 sec at bin 1 12:56:52 Testing with 64 x 64 sub-frame 12:56:52 Camera exposing 12:57:05 Exposure complete 12:57:06 Image downloaded 12:57:07 Background mean = 524 (ADU) 12:57:07 Still too dark - waiting 15 sec. to try again... 12:57:23 ...wait complete. Sun is now at -8.3 deg. elevation 12:57:23 TEST I: 10 sec at bin 1 12:57:23 Testing with 64 x 64 sub-frame 12:57:23 Camera exposing 12:57:35 Exposure complete 12:57:37 Image downloaded 12:57:37 Background mean = 551 (ADU) 12:57:37 Still too dark - waiting 15 sec. to try again... 12:57:52 ...wait complete. Sun is now at -8.2 deg. elevation 12:57:52 TEST I: 10 sec at bin 1 12:57:52 Testing with 64 x 64 sub-frame 12:57:52 Camera exposing 12:58:05 Exposure complete 12:58:06 Image downloaded 12:58:07 Background mean = 581 (ADU) 12:58:07 Still too dark - waiting 15 sec. to try again... 12:58:22 ...wait complete. Sun is now at -8.1 deg. elevation 12:58:22 TEST I: 10 sec at bin 1 12:58:22 Testing with 64 x 64 sub-frame 12:58:22 Camera exposing 12:58:35 Exposure complete 12:58:36 Image downloaded 12:58:38 Background mean = 613 (ADU) 12:58:38 Still too dark - waiting 15 sec. to try again... 12:58:53 ...wait complete. Sun is now at -8.0 deg. elevation 12:58:53 TEST I: 10 sec at bin 1 12:58:53 Testing with 64 x 64 sub-frame 12:58:53 Camera exposing 12:59:06 Exposure complete 12:59:07 Image downloaded 12:59:07 Background mean = 651 (ADU) 12:59:07 Still too dark - waiting 15 sec. to try again... 12:59:22 ...wait complete. Sun is now at -7.9 deg. elevation 12:59:22 TEST I: 10 sec at bin 1 12:59:22 Testing with 64 x 64 sub-frame 12:59:23 Camera exposing 12:59:35 Exposure complete 12:59:36 Image downloaded 12:59:37 Background mean = 694 (ADU) 12:59:37 Still too dark - waiting 15 sec. to try again... 12:59:52 ...wait complete. Sun is now at -7.8 deg. elevation 12:59:52 TEST I: 10 sec at bin 1 12:59:52 Testing with 64 x 64 sub-frame 12:59:52 Camera exposing 13:00:04 Exposure complete 13:00:05 Image downloaded 13:00:06 Background mean = 737 (ADU) 13:00:06 Still too dark - waiting 15 sec. to try again... 13:00:22 ...wait complete. Sun is now at -7.7 deg. elevation 13:00:22 TEST I: 10 sec at bin 1 13:00:22 Testing with 64 x 64 sub-frame 13:00:23 Camera exposing 13:00:35 Exposure complete 13:00:36 Image downloaded 13:00:36 Background mean = 792 (ADU) 13:00:36 Still too dark - waiting 15 sec. to try again... 13:00:52 ...wait complete. Sun is now at -7.6 deg. elevation 13:00:52 TEST I: 10 sec at bin 1 13:00:52 Testing with 64 x 64 sub-frame 13:00:52 Camera exposing 13:01:04 Exposure complete 13:01:05 Image downloaded 13:01:06 Background mean = 853 (ADU) 13:01:06 Still too dark - waiting 15 sec. to try again... 13:01:21 ...wait complete. Sun is now at -7.5 deg. elevation 13:01:21 TEST I: 10 sec at bin 1 13:01:21 Testing with 64 x 64 sub-frame 13:01:21 Camera exposing 13:01:34 Exposure complete 13:01:35 Image downloaded 13:01:35 Background mean = 924 (ADU) 13:01:35 Still too dark - waiting 15 sec. to try again... 13:01:51 ...wait complete. Sun is now at -7.4 deg. elevation 13:01:51 TEST I: 10 sec at bin 1 13:01:51 Testing with 64 x 64 sub-frame 13:01:51 Camera exposing 13:02:03 Exposure complete 13:02:04 Image downloaded 13:02:05 Background mean = 1000 (ADU) 13:02:05 Still too dark - waiting 15 sec. to try again... 13:02:20 ...wait complete. Sun is now at -7.3 deg. elevation 13:02:20 TEST I: 10 sec at bin 1 13:02:20 Testing with 64 x 64 sub-frame 13:02:20 Camera exposing 13:02:33 Exposure complete 13:02:34 Image downloaded 13:02:35 Background mean = 1087 (ADU) 13:02:35 Still too dark - waiting 15 sec. to try again... 13:02:50 ...wait complete. Sun is now at -7.2 deg. elevation 13:02:50 TEST I: 10 sec at bin 1 13:02:50 Testing with 64 x 64 sub-frame 13:02:50 Camera exposing 13:03:02 Exposure complete 13:03:03 Image downloaded 13:03:04 Background mean = 1190 (ADU) 13:03:04 Still too dark - waiting 15 sec. to try again... 13:03:19 ...wait complete. Sun is now at -7.1 deg. elevation 13:03:19 TEST I: 10 sec at bin 1 13:03:19 Testing with 64 x 64 sub-frame 13:03:19 Camera exposing 13:03:32 Exposure complete 13:03:33 Image downloaded 13:03:34 Background mean = 1302 (ADU) 13:03:34 Still too dark - waiting 15 sec. to try again... 13:03:49 ...wait complete. Sun is now at -7.0 deg. elevation 13:03:49 TEST I: 10 sec at bin 1 13:03:49 Testing with 64 x 64 sub-frame 13:03:49 Camera exposing 13:04:01 Exposure complete 13:04:02 Image downloaded 13:04:03 Background mean = 1429 (ADU) 13:04:03 Still too dark - waiting 15 sec. to try again... 13:04:18 ...wait complete. Sun is now at -6.9 deg. elevation 13:04:18 TEST I: 10 sec at bin 1 13:04:18 Testing with 64 x 64 sub-frame 13:04:18 Camera exposing 13:04:30 Exposure complete 13:04:31 Image downloaded 13:04:32 Background mean = 1571 (ADU) 13:04:32 Still too dark - waiting 15 sec. to try again... 13:04:47 ...wait complete. Sun is now at -6.8 deg. elevation 13:04:47 TEST I: 10 sec at bin 1 13:04:47 Testing with 64 x 64 sub-frame 13:04:47 Camera exposing 13:04:59 Exposure complete 13:05:01 Image downloaded 13:05:02 Background mean = 1731 (ADU) 13:05:02 Still too dark - waiting 15 sec. to try again... 13:05:17 ...wait complete. Sun is now at -6.7 deg. elevation 13:05:17 TEST I: 10 sec at bin 1 13:05:17 Testing with 64 x 64 sub-frame 13:05:17 Camera exposing 13:05:30 Exposure complete 13:05:31 Image downloaded 13:05:33 Background mean = 1916 (ADU) 13:05:33 Still too dark - waiting 15 sec. to try again... 13:05:48 ...wait complete. Sun is now at -6.6 deg. elevation 13:05:48 TEST I: 10 sec at bin 1 13:05:48 Testing with 64 x 64 sub-frame 13:05:48 Camera exposing 13:06:01 Exposure complete 13:06:02 Image downloaded 13:06:02 Background mean = 2119 (ADU) 13:06:02 Still too dark - waiting 15 sec. to try again... 13:06:17 ...wait complete. Sun is now at -6.5 deg. elevation 13:06:17 TEST I: 10 sec at bin 1 13:06:17 Testing with 64 x 64 sub-frame 13:06:17 Camera exposing 13:06:30 Exposure complete 13:06:31 Image downloaded 13:06:32 Background mean = 2342 (ADU) 13:06:32 Still too dark - waiting 15 sec. to try again... 13:06:47 ...wait complete. Sun is now at -6.4 deg. elevation 13:06:47 TEST I: 10 sec at bin 1 13:06:47 Testing with 64 x 64 sub-frame 13:06:47 Camera exposing 13:06:59 Exposure complete 13:07:01 Image downloaded 13:07:01 Background mean = 2583 (ADU) 13:07:01 Still too dark - waiting 15 sec. to try again... 13:07:17 ...wait complete. Sun is now at -6.3 deg. elevation 13:07:17 TEST I: 10 sec at bin 1 13:07:17 Testing with 64 x 64 sub-frame 13:07:17 Camera exposing 13:07:30 Exposure complete 13:07:31 Image downloaded 13:07:31 Background mean = 2854 (ADU) 13:07:31 Still too dark - waiting 15 sec. to try again... 13:07:46 ...wait complete. Sun is now at -6.2 deg. elevation 13:07:46 TEST I: 10 sec at bin 1 13:07:46 Testing with 64 x 64 sub-frame 13:07:47 Camera exposing 13:08:00 Exposure complete 13:08:01 Image downloaded 13:08:01 Background mean = 3152 (ADU) 13:08:01 Still too dark - waiting 15 sec. to try again... 13:08:16 ...wait complete. Sun is now at -6.1 deg. elevation 13:08:16 TEST I: 10 sec at bin 1 13:08:16 Testing with 64 x 64 sub-frame 13:08:16 Camera exposing 13:08:29 Exposure complete 13:08:30 Image downloaded 13:08:31 Background mean = 3487 (ADU) 13:08:31 Still too dark - waiting 15 sec. to try again... 13:08:46 ...wait complete. Sun is now at -6.0 deg. elevation 13:08:46 TEST I: 10 sec at bin 1 13:08:46 Testing with 64 x 64 sub-frame 13:08:46 Camera exposing 13:08:59 Exposure complete 13:09:00 Image downloaded 13:09:01 Background mean = 3848 (ADU) 13:09:01 Still too dark - waiting 15 sec. to try again... 13:09:16 ...wait complete. Sun is now at -5.9 deg. elevation 13:09:16 TEST I: 10 sec at bin 1 13:09:16 Testing with 64 x 64 sub-frame 13:09:16 Camera exposing 13:09:28 Exposure complete 13:09:30 Image downloaded 13:09:30 Background mean = 4266 (ADU) 13:09:30 Still too dark - waiting 15 sec. to try again... 13:09:46 ...wait complete. Sun is now at -5.8 deg. elevation 13:09:46 TEST I: 10 sec at bin 1 13:09:46 Testing with 64 x 64 sub-frame 13:09:46 Camera exposing 13:09:59 Exposure complete 13:10:00 Image downloaded 13:10:01 Background mean = 4728 (ADU) 13:10:01 Still too dark - waiting 15 sec. to try again... 13:10:16 ...wait complete. Sun is now at -5.7 deg. elevation 13:10:16 TEST I: 10 sec at bin 1 13:10:16 Testing with 64 x 64 sub-frame 13:10:16 Camera exposing 13:10:29 Exposure complete 13:10:31 Image downloaded 13:10:31 Background mean = 5271 (ADU) 13:10:31 Still too dark - waiting 15 sec. to try again... 13:10:46 ...wait complete. Sun is now at -5.6 deg. elevation 13:10:46 TEST I: 10 sec at bin 1 13:10:46 Testing with 64 x 64 sub-frame 13:10:46 Camera exposing 13:11:00 Exposure complete 13:11:01 Image downloaded 13:11:01 Background mean = 5885 (ADU) 13:11:01 Still too dark - waiting 15 sec. to try again... 13:11:17 ...wait complete. Sun is now at -5.5 deg. elevation 13:11:17 TEST I: 10 sec at bin 1 13:11:17 Testing with 64 x 64 sub-frame 13:11:17 Camera exposing 13:11:30 Exposure complete 13:11:31 Image downloaded 13:11:31 Background mean = 6593 (ADU) 13:11:31 Still too dark - waiting 15 sec. to try again... 13:11:47 ...wait complete. Sun is now at -5.4 deg. elevation 13:11:47 TEST I: 10 sec at bin 1 13:11:47 Testing with 64 x 64 sub-frame 13:11:47 Camera exposing 13:11:59 Exposure complete 13:12:00 Image downloaded 13:12:01 Background mean = 7415 (ADU) 13:12:01 Still too dark - waiting 15 sec. to try again... 13:12:18 ...wait complete. Sun is now at -5.3 deg. elevation 13:12:18 TEST I: 10 sec at bin 1 13:12:18 Testing with 64 x 64 sub-frame 13:12:18 Camera exposing 13:12:31 Exposure complete 13:12:32 Image downloaded 13:12:32 Background mean = 8396 (ADU) 13:12:32 Still too dark - waiting 15 sec. to try again... 13:12:47 ...wait complete. Sun is now at -5.2 deg. elevation 13:12:47 TEST I: 10 sec at bin 1 13:12:47 Testing with 64 x 64 sub-frame 13:12:48 Camera exposing 13:13:00 Exposure complete 13:13:01 Image downloaded 13:13:01 Background mean = 9496 (ADU) 13:13:02 Still too dark - waiting 15 sec. to try again... 13:13:17 ...wait complete. Sun is now at -5.1 deg. elevation 13:13:17 TEST I: 10 sec at bin 1 13:13:17 Testing with 64 x 64 sub-frame 13:13:17 Camera exposing 13:13:29 Exposure complete 13:13:30 Image downloaded 13:13:31 Background mean = 10778 (ADU) 13:13:31 Still too dark - waiting 15 sec. to try again... 13:13:46 ...wait complete. Sun is now at -5.0 deg. elevation 13:13:46 TEST I: 10 sec at bin 1 13:13:46 Testing with 64 x 64 sub-frame 13:13:46 Camera exposing 13:13:59 Exposure complete 13:14:00 Image downloaded 13:14:00 Background mean = 12267 (ADU) 13:14:00 Still too dark - waiting 15 sec. to try again... 13:14:15 ...wait complete. Sun is now at -4.9 deg. elevation 13:14:15 TEST I: 10 sec at bin 1 13:14:15 Testing with 64 x 64 sub-frame 13:14:15 Camera exposing 13:14:28 Exposure complete 13:14:29 Image downloaded 13:14:29 Background mean = 14009 (ADU) 13:14:29 Still too dark - waiting 15 sec. to try again... 13:14:44 ...wait complete. Sun is now at -4.8 deg. elevation 13:14:44 TEST I: 10 sec at bin 1 13:14:44 Testing with 64 x 64 sub-frame 13:14:44 Camera exposing 13:14:57 Exposure complete 13:14:58 Image downloaded 13:14:59 Background mean = 15985 (ADU) 13:14:59 Still too dark - waiting 15 sec. to try again... 13:15:14 ...wait complete. Sun is now at -4.7 deg. elevation 13:15:14 TEST I: 10 sec at bin 1 13:15:14 Testing with 64 x 64 sub-frame 13:15:14 Camera exposing 13:15:26 Exposure complete 13:15:28 Image downloaded 13:15:28 Background mean = 18314 (ADU) 13:15:28 FLAT I: 10 sec at bin 1 13:15:28 Camera exposing 13:15:40 Exposure complete 13:15:40 Start slew to flat area... 13:16:00 Image downloaded 13:16:03 Background mean = 19392 (ADU) 13:16:04 FLAT I: 9.8 sec at bin 1 13:16:04 Camera exposing 13:16:16 Exposure complete 13:16:16 Start slew to flat area... 13:16:36 Image downloaded 13:16:39 Background mean = 22342 (ADU) 13:16:39 FLAT I: 8.33 sec at bin 1 13:16:39 Camera exposing 13:16:49 Exposure complete 13:16:49 Start slew to flat area... 13:17:09 Image downloaded 13:17:12 Background mean = 21977 (ADU) 13:17:13 FLAT I: 7.2 sec at bin 1 13:17:13 Camera exposing 13:17:23 Exposure complete 13:17:23 Start slew to flat area... 13:17:43 Image downloaded 13:17:45 Background mean = 22022 (ADU) 13:17:46 FLAT I: 6.21 sec at bin 1 13:17:46 Camera exposing 13:17:55 Exposure complete 13:17:55 Start slew to flat area... 13:18:14 Image downloaded 13:18:17 Background mean = 21831 (ADU) 13:18:18 Doing 5 flats in R at binning 1 13:18:18 Start slew to flat area... 13:18:19 Switching from I to R filter for imaging 13:18:19 Focus change of 21 steps required 13:18:30 TEST R: 5.4 sec at bin 1 13:18:30 Testing with 64 x 64 sub-frame 13:18:30 Camera exposing 13:18:38 Exposure complete 13:18:39 Image downloaded 13:18:40 Background mean = 36609 (ADU) 13:18:40 TEST R: 2.8 sec at bin 1 13:18:40 Testing with 64 x 64 sub-frame 13:18:40 Camera exposing 13:18:46 Exposure complete 13:18:47 Image downloaded 13:18:47 Background mean = 19926 (ADU) 13:18:47 FLAT R: 2.67 sec at bin 1 13:18:48 Camera exposing 13:18:53 Exposure complete 13:18:53 Start slew to flat area... 13:19:13 Image downloaded 13:19:16 Background mean = 19506 (ADU) 13:19:16 FLAT R: 2.6 sec at bin 1 13:19:16 Camera exposing 13:19:21 Exposure complete 13:19:21 Start slew to flat area... 13:19:41 Image downloaded 13:19:45 Background mean = 21305 (ADU) 13:19:45 FLAT R: 2.32 sec at bin 1 13:19:46 Camera exposing 13:19:50 Exposure complete 13:19:50 Start slew to flat area... 13:20:10 Image downloaded 13:20:12 Background mean = 21477 (ADU) 13:20:12 FLAT R: 2.05 sec at bin 1 13:20:12 Camera exposing 13:20:17 Exposure complete 13:20:17 Start slew to flat area... 13:20:37 Image downloaded 13:20:40 Background mean = 21107 (ADU) 13:20:40 FLAT R: 1.85 sec at bin 1 13:20:40 Camera exposing 13:20:44 Exposure complete 13:20:44 Start slew to flat area... 13:21:04 Image downloaded 13:21:07 Background mean = 21267 (ADU) 13:21:07 Doing 5 flats in V at binning 1 13:21:07 Start slew to flat area... 13:21:08 Switching from R to V filter for imaging 13:21:08 Focus change of 4 steps required 13:21:19 TEST V: 1.65 sec at bin 1 13:21:19 Testing with 64 x 64 sub-frame 13:21:19 Camera exposing 13:21:25 Exposure complete 13:21:26 Image downloaded 13:21:26 Background mean = 17953 (ADU) 13:21:26 FLAT V: 1.75 sec at bin 1 13:21:26 Camera exposing 13:21:31 Exposure complete 13:21:31 Start slew to flat area... 13:21:50 Image downloaded 13:21:54 Background mean = 19587 (ADU) 13:21:54 FLAT V: 1.7 sec at bin 1 13:21:54 Camera exposing 13:21:58 Exposure complete 13:21:58 Start slew to flat area... 13:22:17 Image downloaded 13:22:20 Background mean = 21040 (ADU) 13:22:21 FLAT V: 1.54 sec at bin 1 13:22:21 Camera exposing 13:22:26 Exposure complete 13:22:26 Start slew to flat area... 13:22:46 Image downloaded 13:22:50 Background mean = 21150 (ADU) 13:22:50 FLAT V: 1.38 sec at bin 1 13:22:50 Camera exposing 13:22:55 Exposure complete 13:22:55 Start slew to flat area... 13:23:15 Image downloaded 13:23:17 Background mean = 20991 (ADU) 13:23:17 FLAT V: 1.25 sec at bin 1 13:23:17 Camera exposing 13:23:21 Exposure complete 13:23:21 Start slew to flat area... 13:23:41 Image downloaded 13:23:44 Background mean = 21006 (ADU) 13:23:44 Doing 5 flats in B at binning 1 13:23:44 Start slew to flat area... 13:23:45 Switching from V to B filter for imaging 13:23:45 Focus change of 9 steps required 13:23:55 TEST B: 1.13 sec at bin 1 13:23:55 Testing with 64 x 64 sub-frame 13:23:56 Camera exposing 13:23:59 Exposure complete 13:24:00 Image downloaded 13:24:00 Background mean = 18306 (ADU) 13:24:00 FLAT B: 1.17 sec at bin 1 13:24:00 Camera exposing 13:24:04 Exposure complete 13:24:04 Start slew to flat area... 13:24:24 Image downloaded 13:24:27 Background mean = 18989 (ADU) 13:24:27 FLAT B: 1.17 sec at bin 1 13:24:27 Camera exposing 13:24:31 Exposure complete 13:24:31 Start slew to flat area... 13:24:51 Image downloaded 13:24:53 Background mean = 20680 (ADU) 13:24:54 FLAT B: 1.07 sec at bin 1 13:24:54 Camera exposing 13:24:58 Exposure complete 13:24:58 Start slew to flat area... 13:25:18 Image downloaded 13:25:20 Background mean = 20638 (ADU) 13:25:21 FLAT B: 1 sec at bin 1 13:25:21 Camera exposing 13:25:24 Exposure complete 13:25:24 Start slew to flat area... 13:25:43 Image downloaded 13:25:46 Background mean = 20888 (ADU) 13:25:47 FLAT B: 1 sec at bin 1 13:25:47 Camera exposing 13:25:50 Exposure complete 13:25:50 Start slew to flat area... 13:26:10 Image downloaded 13:26:13 Background mean = 22657 (ADU) 13:26:13 **Filter U does not exist. Skipping this flat set. 13:26:13 Restore slew settle time to 1 sec. 13:26:13 Sun is now at -2.5 deg. elevation 13:26:13 (tracking off) 13:26:13 Flat acquisition complete. ACP console log closed 14-Nov-2016 13:26:13 UTC