STH Recent Preflight: 61057
Executing preflight for 61057 at Fri Jan 16 18:49:33 SAST 2026.
Log can be found in /atlas/obs/03/61057/preflight.dat.
Setting donefile '/atlas/obs/03/61057/preflight_complete.20260116164933.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260116164933.14431.
Fri Jan 16 18:49:33 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jan 16 18:49:33 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [19e169c2-8fac-4175-89be-c504be2920b3;1800]
Fri Jan 16 18:49:33 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Jan 16 18:49:34 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Jan 16 18:49:34 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jan 16 18:49:34 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jan 16 18:49:34 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1768582171
OK
Fri Jan 16 18:49:34 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jan 16 18:49:34 SAST 2026 [elapsed=1 sec] CLUSTER NFS MOUNTS
admin proc1:/export/atlas-cal...OK
admin proc1:/export/atlas-red...OK
proc1 admin:/export/atlas-obs...OK
proc2 admin:/export/atlas-obs...OK
proc2 proc1:/export/atlas-cal...OK
proc2 proc1:/export/atlas-red...OK
proc3 admin:/export/atlas-obs...OK
proc3 proc1:/export/atlas-cal...OK
proc3 proc1:/export/atlas-red...OK
proc4 admin:/export/atlas-obs...OK
proc4 proc1:/export/atlas-cal...OK
proc4 proc1:/export/atlas-red...OK
Fri Jan 16 18:49:36 SAST 2026 [elapsed=3 sec] SCREENS
admin dash-tcsdata...OK
admin dash-recent...OK
admin dash-skycoverage...OK
admin dash-logstamp...OK
proc1 redq...OK
proc1 prochain-redpost-03a...OK
proc1 prochain-redpost-03x...OK
Fri Jan 16 18:49:36 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Jan 16 18:49:36 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Fri Jan 16 16:49:36 UTC 2026
met: OK
proc1: OK
proc2: OK
proc3: OK
proc4: OK
archon: OK
NTP:
remote refid st t when poll reach delay offset jitter
==============================================================================
*192.168.4.5 .GPS. 1 u 1022 1024 377 1.027 -0.095 0.103
+metbox2.sth.atl .PPS. 1 u 219 1024 377 0.274 -0.089 0.042
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 208.219.48.14 2 u 282 1024 377 24.243 0.397 1.069
+ntp.as3741.net 146.64.58.41 2 u 87 1024 377 22.847 -0.252 0.357
-ntp2.as3741.net 146.64.8.7 2 u 298 1024 377 7.363 -0.019 0.100
-ntp2.inx.net.za 183.3.52.101 2 u 792 1024 377 7.894 0.169 0.098
-102.222.100.153 196.21.187.2 2 u 777 1024 377 7.821 0.972 0.287
-ntp5.inx.net.za 102.176.229.251 2 u 78 1024 377 7.856 0.006 0.060
+flipping.cloudh 80.72.67.48 3 u 992 1024 377 8.215 -0.038 0.121
-102.216.37.99 ( 210.182.58.253 2 u 752 1024 377 73.539 -0.165 0.085
#jnb.clearnet.pw 196.21.187.2 2 u 715 1024 377 22.884 -0.297 10.937
Fri Jan 16 18:49:39 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (5980GB)
200GB available in /atlas/red...OK (8885GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.6T 5.8T 45% /
admin:/dev/loop0 105M 105M 0 100% /snap/core/17247
admin:/dev/loop1 105M 105M 0 100% /snap/core/17272
archon:/dev/sda2 117G 21G 91G 19% /
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
archon:/dev/loop0 105M 105M 0 100% /snap/core/17247
archon:/dev/loop2 105M 105M 0 100% /snap/core/17272
tcs:/dev/mapper/ubuntu--vg-ubuntu--lv 98G 35G 59G 37% /
tcs:/dev/nvme0n1p2 2.0G 131M 1.7G 8% /boot
tcs:/dev/nvme0n1p1 1.1G 6.1M 1.1G 1% /boot/efi
proc1:/dev/md0p1 15T 4.9T 8.5T 37% /
proc1:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc1:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc2:/dev/md0p1 15T 1.7T 12T 13% /
proc2:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc2:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc3:/dev/md0p1 15T 733G 13T 6% /
proc3:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc3:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc4:/dev/md0p1 15T 1.1T 13T 8% /
proc4:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc4:/dev/loop2 105M 105M 0 100% /snap/core/17272
Fri Jan 16 18:49:39 SAST 2026 [elapsed=6 sec] SERVICES1
qcam
chiller...OK
dome...OK
mount...OK
modo...OK
cam...OK
acam...OK
weather...OK
met...OK
sentry...OK
dfm...OK
duplicates...OK
Fri Jan 16 18:49:39 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Fri Jan 16 18:49:39 SAST 2026 [elapsed=6 sec] SERVICES2
Fri Jan 16 18:49:39 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jan 16 18:49:43 SAST 2026 [elapsed=10 sec] DOME
status...OK
audio setup: using amcam-mezz-s to record
Pointing webcam to azcheck position ... done
Homing the dome ... waiting ... done
Attempting audio conversion ... size= 924kB time=00:00:29.56 bitrate= 256.0kbits/s speed=1.46e+03x
audio converted to domehome.wav.
Copy dome audio to dashboards ... done
slewing to azimuth 0 (N)...OK
Copy azcheck JPEG to dashboards ... done
parking...OK
dome: AZ=90.00 CLOSED/CLOSED (0%) IDLE
Fri Jan 16 18:52:56 SAST 2026 [elapsed=203 sec] MOUNT
blinky status...OK
motor logs...OK
slewing to az=70,alt=70...OK
slewing to az=290,alt=70...OK
parking...OK
mount: 28.09 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Fri Jan 16 18:53:54 SAST 2026 [elapsed=261 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jan 16 18:54:15 SAST 2026 [elapsed=282 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Fri Jan 16 18:54:15 SAST 2026 [elapsed=282 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (3 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.0C)
Checking CCD plane: Z0=+1779.00 DZDX=-899.00 DZDY=+3967.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Jan 16 18:54:15 SAST 2026 [elapsed=282 sec] WEATHER
status weather: clear 22.1C 22% 12/22kph@266 DP21.2C/-24C/d IDLE
...OK
Fri Jan 16 18:54:15 SAST 2026 [elapsed=282 sec] MET
status...OK
met: c=N o=Y Ro12d Co10h Wo1d Ho9h To17d Do2d IDLE
Fri Jan 16 18:54:16 SAST 2026 [elapsed=283 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jan 16 18:54:16 SAST 2026 [elapsed=283 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 57.02 -14.63, az/alt=59.90 +60.06 tracking(w) IDLE 1s
A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R
initialized motor A constants
initialized motor B constants
A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R
A 0.020s 3 0.0%
B 0.020s -1 0.0%
A 2 0.1mm 15 N F R | B -1 -0.0mm 15 N F R
finding forward (close) limit for shutter A
...done
backing off limit
......................backing off 4 sec...
at limit
done
finding forward (close) limit for shutter B
...done
backing off limit
..............backing off 4 sec...
at limit
done
A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.051s 110 1.2%
A 0.081s 393 4.3%
A 0.111s 733 8.0%
A 0.142s 1191 13.0%
A 0.172s 1783 19.5%
A 0.202s 2465 26.9%
A 0.233s 3260 35.6%
A 0.263s 4163 45.5%
A 0.293s 5115 55.9%
A 0.323s 5990 65.4%
A 0.353s 6779 74.1%
A 0.384s 7439 81.3%
A 0.414s 8000 87.4%
A 0.444s 8464 92.5%
A 0.474s 8790 96.0%
A 0.505s 9020 98.5%
A 0.535s 9150 100.0%
B 0.020s 2 0.0%
B 0.051s 106 1.2%
B 0.081s 396 4.3%
B 0.111s 739 8.1%
B 0.141s 1216 13.3%
B 0.172s 1818 19.9%
B 0.202s 2514 27.5%
B 0.232s 3313 36.2%
B 0.263s 4229 46.2%
B 0.293s 5163 56.4%
B 0.323s 6047 66.1%
B 0.354s 6820 74.5%
B 0.384s 7475 81.7%
B 0.414s 8044 87.9%
B 0.445s 8477 92.6%
B 0.475s 8815 96.3%
B 0.505s 9038 98.7%
B 0.536s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9074 99.1%
A 0.081s 8794 96.1%
A 0.111s 8438 92.2%
A 0.141s 8000 87.4%
A 0.172s 7413 81.0%
A 0.202s 6761 73.9%
A 0.232s 5952 65.0%
A 0.262s 5043 55.1%
A 0.293s 4102 44.8%
A 0.323s 3220 35.2%
A 0.353s 2423 26.5%
A 0.384s 1770 19.3%
A 0.414s 1182 12.9%
A 0.444s 724 7.9%
A 0.474s 355 3.9%
A 0.505s 142 1.6%
A 0.535s 17 0.2%
A 0.565s -6 0.0%
B 0.020s 9146 99.9%
B 0.050s 9032 98.7%
B 0.081s 8769 95.8%
B 0.111s 8425 92.0%
B 0.141s 7955 86.9%
B 0.172s 7378 80.6%
B 0.202s 6572 71.8%
B 0.232s 5895 64.4%
B 0.263s 4984 54.4%
B 0.293s 4050 44.2%
B 0.323s 3111 34.0%
B 0.353s 2383 26.0%
B 0.384s 1714 18.7%
B 0.414s 1141 12.5%
B 0.444s 685 7.5%
B 0.475s 357 3.9%
B 0.505s 127 1.4%
B 0.535s 14 0.2%
B 0.565s -4 0.0%
A 0 0.0mm 15 N F R | B -3 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.535 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.0 percent in 0.565 seconds.
Shutter B closed to 0.0 percent in 0.565 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9257 IDLE
Fri Jan 16 18:54:57 SAST 2026 [elapsed=324 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Jan 16 18:55 /atlas/obs/03a/61057/03a61057e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jan 16 18:55:19 SAST 2026 [elapsed=346 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (32 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jan 16 18:55:19 SAST 2026 [elapsed=346 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61056.70509477|info|galildriver|using focus model: foc=9187+(4.30)*22.1+(-0.40)*60.2=9257.9
61056.70509968|info|galildriver|o 2 IN | cass: 3048019 15.24 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54010813 9257 um b=2f [cmd]
bestfocus for o...OK
Fri Jan 16 18:55:21 SAST 2026 [elapsed=348 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jan 16 18:55:51 SAST 2026 [elapsed=378 sec] Disabling mount tracking.
Waiting on the mount ... done.
Turning tracking off ... done.
Waiting on the mount ... done.
Recheck mount status ... done.
doorpsw 3 OFF redLED
doorpsw 2 OFF whiteLED
Fri Jan 16 18:55:52 SAST 2026 [elapsed=379 sec] NOTICES: det_dzdx=-899 is outside range +-250 from -558; det_dzdy=3967 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Fri Jan 16 18:55:52 SAST 2026 [elapsed=379 sec] Happy observing!
Fri Jan 16 18:55:52 SAST 2026 [elapsed=379 sec] Preflight took 379 seconds to complete.
Fri Jan 16 18:55:52 SAST 2026 [elapsed=379 sec] STARTING CLEANUP
Turning off LEDs
doorpsw 3 OFF redLED
doorpsw 2 OFF whiteLED
Releasing TCS lock [preflight]
OK TCS lock released by preflight-STH
Preflight image
Shutter acutation data:
A 0.020s 4 0.0% A 0.051s 117 1.3% A 0.081s 390 4.3% A 0.111s 731 8.0% A 0.141s 1197 13.1% A 0.172s 1778 19.4% A 0.202s 2466 26.9% A 0.232s 3265 35.7% A 0.262s 4175 45.6% A 0.292s 5106 55.8% A 0.323s 5992 65.5% A 0.353s 6780 74.1% A 0.383s 7430 81.2% A 0.414s 8008 87.5% A 0.444s 8461 92.4% A 0.474s 8789 96.0% A 0.505s 9029 98.6% A 0.535s 9141 99.9% A 0.565s 9153 100.0% B 0.020s 0 0.0% B 0.050s 114 1.2% B 0.081s 387 4.2% B 0.111s 728 8.0% B 0.141s 1218 13.3% B 0.171s 1772 19.4% B 0.201s 2466 26.9% B 0.232s 3269 35.7% B 0.262s 4165 45.5% B 0.292s 5103 55.7% B 0.322s 5986 65.4% B 0.353s 6773 74.0% B 0.383s 7441 81.3% B 0.413s 8002 87.4% B 0.443s 8458 92.4% B 0.474s 8795 96.1% B 0.504s 9023 98.6% B 0.534s 9138 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9153 100.0% A 0.050s 9047 98.8% A 0.081s 8781 95.9% A 0.111s 8428 92.1% A 0.141s 7961 87.0% A 0.172s 7383 80.7% A 0.202s 6690 73.1% A 0.232s 5928 64.8% A 0.262s 5011 54.7% A 0.292s 4042 44.2% A 0.323s 3197 34.9% A 0.353s 2404 26.3% A 0.383s 1733 18.9% A 0.413s 1160 12.7% A 0.443s 705 7.7% A 0.474s 367 4.0% A 0.504s 130 1.4% A 0.534s 15 0.2% A 0.565s 2 0.0% B 0.020s 9144 99.9% B 0.050s 9018 98.5% B 0.081s 8772 95.8% B 0.111s 8435 92.1% B 0.141s 7968 87.0% B 0.171s 7399 80.8% B 0.202s 6711 73.3% B 0.232s 5920 64.7% B 0.262s 5014 54.8% B 0.292s 4083 44.6% B 0.322s 3190 34.8% B 0.353s 2415 26.4% B 0.383s 1722 18.8% B 0.413s 1164 12.7% B 0.443s 712 7.8% B 0.474s 365 4.0% B 0.504s 138 1.5% B 0.534s 17 0.2% B 0.565s 1 0.0% A 1 0.0mm 15 N F R | B 1 0.0mm 15 N F R