ACP console log opened 30-Nov-2021 00:00:09 UTC This is ACP version 8.3 (build 1, Release 8.3) Licensed to Arne Henden 00:00:09 This is AutoFlat version 8.3.1 00:00:09 Using flat plan SchedulerDuskFlats.txt 00:00:09 Starting dusk flats. Low Sun at 5:42:20 PM 00:00:09 Start tracking for next phase 00:00:09 Starting flat field acquisition. 00:00:09 Flats will be acquired with Fast readout mode 00:00:09 Doing 3 flats in SZ at binning 2 00:00:09 Start slew to flat area... 00:00:11 Switching from SR to SZ filter for imaging 00:00:11 Focus change of -50 steps required 00:00:20 (wait for slew to complete) 00:00:55 (slew complete) 00:00:55 Stop tracking for test exposures 00:00:55 TEST SZ: 1 sec at bin 2 00:00:55 Testing with 128 x 128 offset sub-frame 00:00:55 Camera exposing 00:01:00 Exposure complete 00:01:00 Downloading image... 00:01:02 Image downloaded 00:01:04 Background mean = 20914 (ADU) 00:01:06 Start tracking for real flats 00:01:06 FLAT1 SZ: 1 sec at bin 2 00:01:06 Camera exposing 00:01:20 Exposure complete 00:01:20 Stop tracking for 3 sec... 00:01:20 Downloading image... 00:01:21 Image downloaded 00:01:24 Start tracking 00:01:25 Background mean = 19431 (ADU) 00:01:26 FLAT2 SZ: 1.08 sec at bin 2 00:01:26 Camera exposing 00:01:33 Exposure complete 00:01:33 Stop tracking for 3 sec... 00:01:33 Downloading image... 00:01:34 Image downloaded 00:01:36 Start tracking 00:01:38 Background mean = 20696 (ADU) 00:01:39 FLAT3 SZ: 1.1 sec at bin 2 00:01:39 Camera exposing 00:01:45 Exposure complete 00:01:45 Stop tracking for 3 sec... 00:01:45 Downloading image... 00:01:46 Image downloaded 00:01:48 Start tracking 00:01:49 Background mean = 20927 (ADU) 00:01:50 Doing 3 flats in SI at binning 2 00:01:51 Start slew to flat area... 00:01:52 Switching from SZ to SI filter for imaging 00:01:52 Focus change of 30 steps required 00:01:57 (wait for slew to complete) 00:01:58 (slew complete) 00:01:58 Stop tracking for test exposures 00:01:58 TEST SI: 1.1 sec at bin 2 00:01:58 Testing with 128 x 128 offset sub-frame 00:01:58 Camera exposing 00:02:02 Exposure complete 00:02:02 Downloading image... 00:02:03 Image downloaded 00:02:04 Background mean = 65535 (ADU) 00:02:05 Still too light - waiting 15 sec. to try again... 00:02:20 ...wait complete. Sun is now at -1.2 deg. elevation 00:02:20 TEST SI: 1 sec at bin 2 00:02:20 Testing with 128 x 128 offset sub-frame 00:02:20 Camera exposing 00:02:24 Exposure complete 00:02:24 Downloading image... 00:02:25 Image downloaded 00:02:25 Background mean = 65535 (ADU) 00:02:27 Still too light - waiting 15 sec. to try again... 00:02:42 ...wait complete. Sun is now at -1.3 deg. elevation 00:02:42 TEST SI: 1 sec at bin 2 00:02:42 Testing with 128 x 128 offset sub-frame 00:02:42 Camera exposing 00:02:46 Exposure complete 00:02:46 Downloading image... 00:02:47 Image downloaded 00:02:47 Background mean = 65535 (ADU) 00:02:48 Still too light - waiting 15 sec. to try again... 00:03:03 ...wait complete. Sun is now at -1.3 deg. elevation 00:03:03 TEST SI: 1 sec at bin 2 00:03:03 Testing with 128 x 128 offset sub-frame 00:03:04 Camera exposing 00:03:08 Exposure complete 00:03:08 Downloading image... 00:03:09 Image downloaded 00:03:09 Background mean = 65535 (ADU) 00:03:10 Still too light - waiting 15 sec. to try again... 00:03:25 ...wait complete. Sun is now at -1.4 deg. elevation 00:03:25 TEST SI: 1 sec at bin 2 00:03:25 Testing with 128 x 128 offset sub-frame 00:03:25 Camera exposing 00:03:29 Exposure complete 00:03:29 Downloading image... 00:03:30 Image downloaded 00:03:31 Background mean = 65535 (ADU) 00:03:32 Still too light - waiting 15 sec. to try again... 00:03:47 ...wait complete. Sun is now at -1.5 deg. elevation 00:03:47 TEST SI: 1 sec at bin 2 00:03:47 Testing with 128 x 128 offset sub-frame 00:03:47 Camera exposing 00:03:51 Exposure complete 00:03:51 Downloading image... 00:03:52 Image downloaded 00:03:53 Background mean = 65535 (ADU) 00:03:54 Still too light - waiting 15 sec. to try again... 00:04:09 ...wait complete. Sun is now at -1.5 deg. elevation 00:04:09 TEST SI: 1 sec at bin 2 00:04:09 Testing with 128 x 128 offset sub-frame 00:04:09 Camera exposing 00:04:13 Exposure complete 00:04:13 Downloading image... 00:04:14 Image downloaded 00:04:15 Background mean = 65535 (ADU) 00:04:16 Still too light - waiting 15 sec. to try again... 00:04:31 ...wait complete. Sun is now at -1.6 deg. elevation 00:04:31 TEST SI: 1 sec at bin 2 00:04:31 Testing with 128 x 128 offset sub-frame 00:04:31 Camera exposing 00:04:35 Exposure complete 00:04:35 Downloading image... 00:04:36 Image downloaded 00:04:37 Background mean = 65535 (ADU) 00:04:38 Still too light - waiting 15 sec. to try again... 00:04:53 ...wait complete. Sun is now at -1.7 deg. elevation 00:04:53 TEST SI: 1 sec at bin 2 00:04:53 Testing with 128 x 128 offset sub-frame 00:04:53 Camera exposing 00:04:57 Exposure complete 00:04:57 Downloading image... 00:04:58 Image downloaded 00:04:58 Background mean = 65096 (ADU) 00:04:59 Still too light - waiting 15 sec. to try again... 00:05:15 ...wait complete. Sun is now at -1.7 deg. elevation 00:05:15 TEST SI: 1 sec at bin 2 00:05:15 Testing with 128 x 128 offset sub-frame 00:05:15 Camera exposing 00:05:19 Exposure complete 00:05:19 Downloading image... 00:05:20 Image downloaded 00:05:20 Background mean = 64567 (ADU) 00:05:21 Still too light - waiting 15 sec. to try again... 00:05:36 ...wait complete. Sun is now at -1.8 deg. elevation 00:05:36 TEST SI: 1 sec at bin 2 00:05:36 Testing with 128 x 128 offset sub-frame 00:05:37 Camera exposing 00:05:40 Exposure complete 00:05:40 Downloading image... 00:05:42 Image downloaded 00:05:43 Background mean = 65535 (ADU) 00:05:44 Still too light - waiting 15 sec. to try again... 00:05:59 ...wait complete. Sun is now at -1.9 deg. elevation 00:05:59 TEST SI: 1 sec at bin 2 00:05:59 Testing with 128 x 128 offset sub-frame 00:05:59 Camera exposing 00:06:03 Exposure complete 00:06:03 Downloading image... 00:06:04 Image downloaded 00:06:04 Background mean = 65535 (ADU) 00:06:05 Still too light - waiting 15 sec. to try again... 00:06:20 ...wait complete. Sun is now at -2.0 deg. elevation 00:06:20 TEST SI: 1 sec at bin 2 00:06:20 Testing with 128 x 128 offset sub-frame 00:06:21 Camera exposing 00:06:24 Exposure complete 00:06:24 Downloading image... 00:06:26 Image downloaded 00:06:26 Background mean = 65401 (ADU) 00:06:27 Still too light - waiting 15 sec. to try again... 00:06:42 ...wait complete. Sun is now at -2.0 deg. elevation 00:06:42 TEST SI: 1 sec at bin 2 00:06:42 Testing with 128 x 128 offset sub-frame 00:06:42 Camera exposing 00:06:46 Exposure complete 00:06:46 Downloading image... 00:06:47 Image downloaded 00:06:48 Background mean = 65535 (ADU) 00:06:49 Still too light - waiting 15 sec. to try again... 00:07:04 ...wait complete. Sun is now at -2.1 deg. elevation 00:07:04 TEST SI: 1 sec at bin 2 00:07:04 Testing with 128 x 128 offset sub-frame 00:07:04 Camera exposing 00:07:08 Exposure complete 00:07:08 Downloading image... 00:07:09 Image downloaded 00:07:10 Background mean = 65535 (ADU) 00:07:11 Still too light - waiting 15 sec. to try again... 00:07:26 ...wait complete. Sun is now at -2.2 deg. elevation 00:07:26 TEST SI: 1 sec at bin 2 00:07:26 Testing with 128 x 128 offset sub-frame 00:07:26 Camera exposing 00:07:30 Exposure complete 00:07:30 Downloading image... 00:07:31 Image downloaded 00:07:32 Background mean = 65535 (ADU) 00:07:33 Still too light - waiting 15 sec. to try again... 00:07:48 ...wait complete. Sun is now at -2.2 deg. elevation 00:07:48 TEST SI: 1 sec at bin 2 00:07:48 Testing with 128 x 128 offset sub-frame 00:07:48 Camera exposing 00:07:52 Exposure complete 00:07:52 Downloading image... 00:07:53 Image downloaded 00:07:54 Background mean = 65535 (ADU) 00:07:55 Still too light - waiting 15 sec. to try again... 00:08:10 ...wait complete. Sun is now at -2.3 deg. elevation 00:08:10 TEST SI: 1 sec at bin 2 00:08:10 Testing with 128 x 128 offset sub-frame 00:08:10 Camera exposing 00:08:14 Exposure complete 00:08:14 Downloading image... 00:08:15 Image downloaded 00:08:15 Background mean = 65535 (ADU) 00:08:16 Still too light - waiting 15 sec. to try again... 00:08:31 ...wait complete. Sun is now at -2.4 deg. elevation 00:08:31 TEST SI: 1 sec at bin 2 00:08:31 Testing with 128 x 128 offset sub-frame 00:08:32 Camera exposing 00:08:36 Exposure complete 00:08:36 Downloading image... 00:08:37 Image downloaded 00:08:37 Background mean = 65535 (ADU) 00:08:38 Still too light - waiting 15 sec. to try again... 00:08:53 ...wait complete. Sun is now at -2.4 deg. elevation 00:08:53 TEST SI: 1 sec at bin 2 00:08:53 Testing with 128 x 128 offset sub-frame 00:08:53 Camera exposing 00:08:57 Exposure complete 00:08:57 Downloading image... 00:08:59 Image downloaded 00:08:59 Background mean = 65535 (ADU) 00:09:00 Still too light - waiting 15 sec. to try again... 00:09:15 ...wait complete. Sun is now at -2.5 deg. elevation 00:09:15 TEST SI: 1 sec at bin 2 00:09:15 Testing with 128 x 128 offset sub-frame 00:09:15 Camera exposing 00:09:19 Exposure complete 00:09:19 Downloading image... 00:09:20 Image downloaded 00:09:21 Background mean = 61490 (ADU) 00:09:22 Still too light - waiting 15 sec. to try again... 00:09:37 ...wait complete. Sun is now at -2.6 deg. elevation 00:09:37 TEST SI: 1 sec at bin 2 00:09:37 Testing with 128 x 128 offset sub-frame 00:09:37 Camera exposing 00:09:41 Exposure complete 00:09:41 Downloading image... 00:09:42 Image downloaded 00:09:43 Background mean = 65363 (ADU) 00:09:44 Still too light - waiting 15 sec. to try again... 00:09:59 ...wait complete. Sun is now at -2.7 deg. elevation 00:09:59 TEST SI: 1 sec at bin 2 00:09:59 Testing with 128 x 128 offset sub-frame 00:09:59 Camera exposing 00:10:03 Exposure complete 00:10:03 Downloading image... 00:10:04 Image downloaded 00:10:05 Background mean = 57306 (ADU) 00:10:06 Still too light - waiting 15 sec. to try again... 00:10:21 ...wait complete. Sun is now at -2.7 deg. elevation 00:10:21 TEST SI: 1 sec at bin 2 00:10:21 Testing with 128 x 128 offset sub-frame 00:10:21 Camera exposing 00:10:25 Exposure complete 00:10:25 Downloading image... 00:10:26 Image downloaded 00:10:26 Background mean = 44047 (ADU) 00:10:28 Still too light - waiting 15 sec. to try again... 00:10:43 ...wait complete. Sun is now at -2.8 deg. elevation 00:10:43 TEST SI: 1 sec at bin 2 00:10:43 Testing with 128 x 128 offset sub-frame 00:10:43 Camera exposing 00:10:47 Exposure complete 00:10:47 Downloading image... 00:10:48 Image downloaded 00:10:48 Background mean = 49433 (ADU) 00:10:49 Still too light - waiting 15 sec. to try again... 00:11:04 ...wait complete. Sun is now at -2.9 deg. elevation 00:11:04 TEST SI: 1 sec at bin 2 00:11:04 Testing with 128 x 128 offset sub-frame 00:11:05 Camera exposing 00:11:08 Exposure complete 00:11:08 Downloading image... 00:11:09 Image downloaded 00:11:10 Background mean = 50252 (ADU) 00:11:11 Still too light - waiting 15 sec. to try again... 00:11:26 ...wait complete. Sun is now at -2.9 deg. elevation 00:11:26 TEST SI: 1 sec at bin 2 00:11:26 Testing with 128 x 128 offset sub-frame 00:11:26 Camera exposing 00:11:30 Exposure complete 00:11:30 Downloading image... 00:11:31 Image downloaded 00:11:32 Background mean = 45453 (ADU) 00:11:33 Still too light - waiting 15 sec. to try again... 00:11:48 ...wait complete. Sun is now at -3.0 deg. elevation 00:11:48 TEST SI: 1 sec at bin 2 00:11:48 Testing with 128 x 128 offset sub-frame 00:11:48 Camera exposing 00:11:52 Exposure complete 00:11:52 Downloading image... 00:11:53 Image downloaded 00:11:54 Background mean = 35155 (ADU) 00:11:55 Still too light - waiting 15 sec. to try again... 00:12:10 ...wait complete. Sun is now at -3.1 deg. elevation 00:12:10 TEST SI: 1 sec at bin 2 00:12:10 Testing with 128 x 128 offset sub-frame 00:12:10 Camera exposing 00:12:14 Exposure complete 00:12:14 Downloading image... 00:12:15 Image downloaded 00:12:16 Background mean = 37007 (ADU) 00:12:17 Still too light - waiting 15 sec. to try again... 00:12:32 ...wait complete. Sun is now at -3.2 deg. elevation 00:12:32 TEST SI: 1 sec at bin 2 00:12:32 Testing with 128 x 128 offset sub-frame 00:12:32 Camera exposing 00:12:36 Exposure complete 00:12:36 Downloading image... 00:12:37 Image downloaded 00:12:38 Background mean = 30677 (ADU) 00:12:39 Still too light - waiting 15 sec. to try again... 00:12:54 ...wait complete. Sun is now at -3.2 deg. elevation 00:12:54 TEST SI: 1 sec at bin 2 00:12:54 Testing with 128 x 128 offset sub-frame 00:12:54 Camera exposing 00:12:58 Exposure complete 00:12:58 Downloading image... 00:12:59 Image downloaded 00:12:59 Background mean = 26630 (ADU) 00:13:00 Start tracking for real flats 00:13:00 FLAT1 SI: 1 sec at bin 2 00:13:00 Camera exposing 00:13:06 Exposure complete 00:13:06 Stop tracking for 3 sec... 00:13:06 Downloading image... 00:13:08 Image downloaded 00:13:10 Start tracking 00:13:11 Background mean = 24061 (ADU) 00:13:12 FLAT2 SI: 1 sec at bin 2 00:13:12 Camera exposing 00:13:18 Exposure complete 00:13:18 Stop tracking for 3 sec... 00:13:18 Downloading image... 00:13:19 Image downloaded 00:13:22 Start tracking 00:13:23 Background mean = 22032 (ADU) 00:13:24 FLAT3 SI: 1 sec at bin 2 00:13:24 Camera exposing 00:13:31 Exposure complete 00:13:31 Stop tracking for 3 sec... 00:13:31 Downloading image... 00:13:32 Image downloaded 00:13:34 Start tracking 00:13:35 Background mean = 19122 (ADU) 00:13:36 Doing 3 flats in R at binning 2 00:13:37 Start slew to flat area... 00:13:38 Switching from SI to R filter for imaging 00:13:38 Focus change of 290 steps required 00:13:50 (wait for slew to complete) 00:13:51 (slew complete) 00:13:51 Stop tracking for test exposures 00:13:51 TEST R: 1.1 sec at bin 2 00:13:51 Testing with 128 x 128 offset sub-frame 00:13:51 Camera exposing 00:13:55 Exposure complete 00:13:55 Downloading image... 00:13:56 Image downloaded 00:13:56 Background mean = 22558 (ADU) 00:13:58 Start tracking for real flats 00:13:58 FLAT1 R: 1.02 sec at bin 2 00:13:58 Camera exposing 00:14:04 Exposure complete 00:14:04 Stop tracking for 3 sec... 00:14:04 Downloading image... 00:14:05 Image downloaded 00:14:07 Start tracking 00:14:09 Background mean = 19763 (ADU) 00:14:10 FLAT2 R: 1.08 sec at bin 2 00:14:10 Camera exposing 00:14:16 Exposure complete 00:14:16 Stop tracking for 3 sec... 00:14:16 Downloading image... 00:14:17 Image downloaded 00:14:19 Start tracking 00:14:21 Background mean = 20378 (ADU) 00:14:22 FLAT3 R: 1.11 sec at bin 2 00:14:22 Camera exposing 00:14:28 Exposure complete 00:14:28 Stop tracking for 3 sec... 00:14:28 Downloading image... 00:14:29 Image downloaded 00:14:31 Start tracking 00:14:32 Background mean = 20516 (ADU) 00:14:33 Doing 3 flats in V at binning 2 00:14:33 Start slew to flat area... 00:14:35 Switching from R to V filter for imaging 00:14:35 Focus change of 20 steps required 00:14:45 (wait for slew to complete) 00:14:46 (slew complete) 00:14:46 Stop tracking for test exposures 00:14:46 TEST V: 1.14 sec at bin 2 00:14:46 Testing with 128 x 128 offset sub-frame 00:14:46 Camera exposing 00:14:50 Exposure complete 00:14:50 Downloading image... 00:14:51 Image downloaded 00:14:51 Background mean = 22582 (ADU) 00:14:52 Start tracking for real flats 00:14:53 FLAT1 V: 1.06 sec at bin 2 00:14:53 Camera exposing 00:14:59 Exposure complete 00:14:59 Stop tracking for 3 sec... 00:14:59 Downloading image... 00:15:00 Image downloaded 00:15:02 Start tracking 00:15:03 Background mean = 19550 (ADU) 00:15:05 FLAT2 V: 1.14 sec at bin 2 00:15:05 Camera exposing 00:15:10 Exposure complete 00:15:10 Stop tracking for 3 sec... 00:15:10 Downloading image... 00:15:11 Image downloaded 00:15:14 Start tracking 00:15:15 Background mean = 20011 (ADU) 00:15:16 FLAT3 V: 1.2 sec at bin 2 00:15:16 Camera exposing 00:15:23 Exposure complete 00:15:23 Stop tracking for 3 sec... 00:15:23 Downloading image... 00:15:24 Image downloaded 00:15:26 Start tracking 00:15:27 Background mean = 19794 (ADU) 00:15:28 Doing 3 flats in B at binning 2 00:15:28 Start slew to flat area... 00:15:30 Switching from V to B filter for imaging 00:15:30 Focus change of 30 steps required 00:15:38 (wait for slew to complete) 00:15:39 (slew complete) 00:15:40 Stop tracking for test exposures 00:15:40 TEST B: 1.27 sec at bin 2 00:15:40 Testing with 128 x 128 offset sub-frame 00:15:40 Camera exposing 00:15:44 Exposure complete 00:15:44 Downloading image... 00:15:46 Image downloaded 00:15:46 Background mean = 23071 (ADU) 00:15:47 Start tracking for real flats 00:15:47 FLAT1 B: 1.16 sec at bin 2 00:15:47 Camera exposing 00:15:53 Exposure complete 00:15:53 Stop tracking for 3 sec... 00:15:53 Downloading image... 00:15:54 Image downloaded 00:15:56 Start tracking 00:15:58 Background mean = 19808 (ADU) 00:15:59 FLAT2 B: 1.23 sec at bin 2 00:15:59 Camera exposing 00:16:05 Exposure complete 00:16:05 Stop tracking for 3 sec... 00:16:05 Downloading image... 00:16:06 Image downloaded 00:16:08 Start tracking 00:16:09 Background mean = 20182 (ADU) 00:16:10 FLAT3 B: 1.28 sec at bin 2 00:16:10 Camera exposing 00:16:16 Exposure complete 00:16:16 Stop tracking for 3 sec... 00:16:16 Downloading image... 00:16:17 Image downloaded 00:16:19 Start tracking 00:16:21 Background mean = 20367 (ADU) 00:16:22 Doing 3 flats in SR at binning 2 00:16:22 Start slew to flat area... 00:16:23 Switching from B to SR filter for imaging 00:16:23 Focus change of -320 steps required 00:16:39 (wait for slew to complete) 00:16:40 (slew complete) 00:16:40 Stop tracking for test exposures 00:16:40 TEST SR: 1.32 sec at bin 2 00:16:40 Testing with 128 x 128 offset sub-frame 00:16:40 Camera exposing 00:16:45 Exposure complete 00:16:45 Downloading image... 00:16:46 Image downloaded 00:16:47 Background mean = 19165 (ADU) 00:16:48 Start tracking for real flats 00:16:48 FLAT1 SR: 1.45 sec at bin 2 00:16:48 Camera exposing 00:16:54 Exposure complete 00:16:54 Stop tracking for 3 sec... 00:16:54 Downloading image... 00:16:55 Image downloaded 00:16:57 Start tracking 00:16:59 Background mean = 19007 (ADU) 00:17:00 FLAT2 SR: 1.6 sec at bin 2 00:17:00 Camera exposing 00:17:06 Exposure complete 00:17:06 Stop tracking for 3 sec... 00:17:06 Downloading image... 00:17:07 Image downloaded 00:17:09 Start tracking 00:17:11 Background mean = 20948 (ADU) 00:17:12 FLAT3 SR: 1.6 sec at bin 2 00:17:12 Camera exposing 00:17:18 Exposure complete 00:17:18 Stop tracking for 3 sec... 00:17:18 Downloading image... 00:17:19 Image downloaded 00:17:21 Start tracking 00:17:23 Background mean = 20518 (ADU) 00:17:24 Doing 3 flats in SG at binning 2 00:17:24 Start slew to flat area... 00:17:25 Switching from SR to SG filter for imaging 00:17:25 Focus change of 50 steps required 00:17:29 (wait for slew to complete) 00:17:35 (slew complete) 00:17:35 Stop tracking for test exposures 00:17:35 TEST SG: 1.64 sec at bin 2 00:17:35 Testing with 128 x 128 offset sub-frame 00:17:35 Camera exposing 00:17:41 Exposure complete 00:17:41 Downloading image... 00:17:42 Image downloaded 00:17:42 Background mean = 43314 (ADU) 00:17:43 Still too light - waiting 15 sec. to try again... 00:17:58 ...wait complete. Sun is now at -4.2 deg. elevation 00:17:58 TEST SG: 1 sec at bin 2 00:17:59 Testing with 128 x 128 offset sub-frame 00:17:59 Camera exposing 00:18:02 Exposure complete 00:18:02 Downloading image... 00:18:04 Image downloaded 00:18:04 Background mean = 24013 (ADU) 00:18:05 Start tracking for real flats 00:18:05 FLAT1 SG: 1 sec at bin 2 00:18:05 Camera exposing 00:18:12 Exposure complete 00:18:12 Stop tracking for 3 sec... 00:18:12 Downloading image... 00:18:13 Image downloaded 00:18:15 Start tracking 00:18:16 Background mean = 22199 (ADU) 00:18:17 FLAT2 SG: 1 sec at bin 2 00:18:18 Camera exposing 00:18:24 Exposure complete 00:18:24 Stop tracking for 3 sec... 00:18:24 Downloading image... 00:18:25 Image downloaded 00:18:28 Start tracking 00:18:29 Background mean = 21795 (ADU) 00:18:30 FLAT3 SG: 1 sec at bin 2 00:18:30 Camera exposing 00:18:36 Exposure complete 00:18:36 Stop tracking for 3 sec... 00:18:36 Downloading image... 00:18:37 Image downloaded 00:18:40 Start tracking 00:18:41 Background mean = 20232 (ADU) 00:18:42 Sun is now at -4.3 deg. elevation 00:18:42 Stop tracking 00:18:42 Flat acquisition complete. ACP console log closed 30-Nov-2021 00:18:42 UTC