STH Recent Preflight: 61054
Executing preflight for 61054 at Tue Jan 13 18:50:18 SAST 2026.
Log can be found in /atlas/obs/03/61054/preflight.dat.
Setting donefile '/atlas/obs/03/61054/preflight_complete.20260113165018.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260113165018.14431.
Tue Jan 13 18:50:18 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Jan 13 18:50:18 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [1f2820ab-6db6-43bb-b323-82937bdb25cc;1800]
Tue Jan 13 18:50:18 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue Jan 13 18:50:19 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Jan 13 18:50:19 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Tue Jan 13 18:50:19 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Jan 13 18:50:19 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1768323013
OK
Tue Jan 13 18:50:19 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Jan 13 18:50:19 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
Tue Jan 13 18:50:21 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
Tue Jan 13 18:50:22 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Tue Jan 13 18:50:22 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Tue Jan 13 16:50:22 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 924 1024 1 0.765 0.100 0.108
*metbox2.sth.atl .PPS. 1 u 647 1024 377 0.339 0.112 0.245
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 210.182.58.253 2 u 710 1024 377 25.944 -0.627 0.878
-ntp.as3741.net 146.64.58.41 2 u 744 1024 377 23.674 -0.355 0.244
-ntp2.as3741.net 146.64.8.7 2 u 775 1024 377 7.251 0.811 0.265
+ntp2.inx.net.za 210.182.58.253 2 u 166 1024 377 7.375 0.148 0.122
-102.222.100.153 155.232.19.7 2 u 169 1024 377 7.840 0.829 0.437
-ntp5.inx.net.za 183.3.52.101 2 u 407 1024 377 8.035 0.220 0.371
+flipping.cloudh 80.72.67.48 3 u 943 1024 377 8.246 0.191 0.297
-102.216.37.99 ( 183.3.52.101 2 u 67 1024 377 75.274 0.112 0.841
#jnb.clearnet.pw 196.21.187.2 2 u 810 1024 377 24.408 -4.200 2.400
Tue Jan 13 18:50:24 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (5957GB)
200GB available in /atlas/red...OK (8900GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.6T 5.7T 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
Tue Jan 13 18:50:24 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
Tue Jan 13 18:50:24 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Tue Jan 13 18:50:24 SAST 2026 [elapsed=6 sec] SERVICES2
Tue Jan 13 18:50:24 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Jan 13 18:50:29 SAST 2026 [elapsed=11 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= 914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.51e+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/OPEN (0%) IDLE
Tue Jan 13 18:53:00 SAST 2026 [elapsed=162 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: 25.15 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Tue Jan 13 18:53:58 SAST 2026 [elapsed=220 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Jan 13 18:54:20 SAST 2026 [elapsed=242 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.7 IDLE
Tue Jan 13 18:54:20 SAST 2026 [elapsed=242 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (5 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.3C)
Checking CCD plane: Z0=+1812.00 DZDX=-909.00 DZDY=+4764.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Jan 13 18:54:20 SAST 2026 [elapsed=242 sec] WEATHER
status weather: clear 27.0C 18% 25/28kph@307 DP27.9C/78C/d IDLE
...OK
Tue Jan 13 18:54:21 SAST 2026 [elapsed=243 sec] MET
status...OK
met: c=N o=Y Ro9d Co3d Wo13d Ho11h To14d Do19h IDLE
Tue Jan 13 18:54:21 SAST 2026 [elapsed=243 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Jan 13 18:54:31 SAST 2026 [elapsed=253 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 54.08 -14.63, az/alt=59.89 +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 12 0.1%
A 0.050s 118 1.3%
A 0.081s 404 4.4%
A 0.111s 745 8.1%
A 0.141s 1245 13.6%
A 0.172s 1804 19.7%
A 0.202s 2488 27.2%
A 0.232s 3289 35.9%
A 0.262s 4164 45.5%
A 0.293s 5145 56.2%
A 0.323s 6018 65.7%
A 0.353s 6801 74.3%
A 0.383s 7438 81.3%
A 0.414s 8000 87.4%
A 0.444s 8464 92.5%
A 0.474s 8789 96.0%
A 0.505s 9021 98.5%
A 0.535s 9149 99.9%
B 0.020s 2 0.0%
B 0.050s 97 1.1%
B 0.081s 378 4.1%
B 0.111s 728 8.0%
B 0.141s 1199 13.1%
B 0.171s 1778 19.4%
B 0.202s 2442 26.7%
B 0.232s 3258 35.6%
B 0.262s 4169 45.5%
B 0.292s 5105 55.8%
B 0.322s 5964 65.2%
B 0.353s 6750 73.7%
B 0.383s 7415 81.0%
B 0.413s 7992 87.3%
B 0.443s 8442 92.2%
B 0.474s 8786 96.0%
B 0.504s 9021 98.5%
B 0.534s 9138 99.8%
B 0.565s 9158 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9068 99.1%
A 0.081s 8781 95.9%
A 0.111s 8424 92.0%
A 0.141s 7983 87.2%
A 0.171s 7392 80.8%
A 0.202s 6715 73.4%
A 0.232s 5923 64.7%
A 0.262s 5015 54.8%
A 0.292s 4073 44.5%
A 0.323s 3192 34.9%
A 0.353s 2401 26.2%
A 0.383s 1731 18.9%
A 0.414s 1100 12.0%
A 0.444s 711 7.8%
A 0.474s 365 4.0%
A 0.505s 135 1.5%
A 0.535s 13 0.1%
A 0.565s -6 0.0%
B 0.020s 9147 99.9%
B 0.050s 9032 98.7%
B 0.081s 8768 95.8%
B 0.111s 8436 92.2%
B 0.141s 7921 86.5%
B 0.171s 7378 80.6%
B 0.202s 6693 73.1%
B 0.232s 5896 64.4%
B 0.262s 4954 54.1%
B 0.292s 4049 44.2%
B 0.323s 3167 34.6%
B 0.353s 2384 26.0%
B 0.383s 1715 18.7%
B 0.413s 1141 12.5%
B 0.444s 708 7.7%
B 0.474s 357 3.9%
B 0.504s 129 1.4%
B 0.535s 15 0.2%
B 0.565s -2 0.0%
A 1 0.0mm 15 N F R | B -3 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 99.9 percent in 0.535 seconds.
Shutter B opened to 100.0 percent in 0.565 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= 230kB time=00:00:07.36 bitrate= 256.1kbits/s speed=1.01e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9273 IDLE
Tue Jan 13 18:55:12 SAST 2026 [elapsed=294 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.7 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Jan 13 18:55 /atlas/obs/03a/61054/03a61054e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Jan 13 18:55:34 SAST 2026 [elapsed=316 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (47 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Jan 13 18:55:34 SAST 2026 [elapsed=316 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61053.70526900|info|galildriver|using focus model: foc=9187+(4.30)*26.2+(-0.40)*60.2=9275.6
61053.70527390|info|galildriver|o 2 IN | cass: 3045149 15.23 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54014088 9274 um b=2f [cmd]
bestfocus for o...OK
Tue Jan 13 18:55:36 SAST 2026 [elapsed=318 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Jan 13 18:56:06 SAST 2026 [elapsed=348 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
Tue Jan 13 18:56:08 SAST 2026 [elapsed=350 sec] NOTICES: det_dzdx=-909 is outside range +-250 from -558; det_dzdy=4764 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Tue Jan 13 18:56:08 SAST 2026 [elapsed=350 sec] Happy observing!
Tue Jan 13 18:56:08 SAST 2026 [elapsed=350 sec] Preflight took 350 seconds to complete.
Tue Jan 13 18:56:08 SAST 2026 [elapsed=350 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 118 1.3% A 0.081s 383 4.2% A 0.111s 731 8.0% A 0.141s 1197 13.1% A 0.172s 1781 19.5% A 0.202s 2465 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.293s 5107 55.8% A 0.323s 5992 65.5% A 0.353s 6779 74.1% A 0.383s 7432 81.2% A 0.413s 8008 87.5% A 0.444s 8458 92.4% A 0.474s 8788 96.0% A 0.504s 9024 98.6% A 0.534s 9138 99.8% A 0.564s 9152 100.0% B 0.020s 0 0.0% B 0.050s 113 1.2% B 0.081s 379 4.1% B 0.111s 728 8.0% B 0.141s 1202 13.1% B 0.171s 1752 19.1% B 0.202s 2440 26.7% B 0.232s 3267 35.7% B 0.262s 4168 45.5% B 0.292s 5103 55.7% B 0.323s 5987 65.4% B 0.353s 6771 74.0% B 0.383s 7440 81.3% B 0.414s 7986 87.2% B 0.444s 8444 92.2% B 0.474s 8787 96.0% B 0.504s 9018 98.5% B 0.534s 9136 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9037 98.7% A 0.081s 8765 95.8% A 0.111s 8412 91.9% A 0.141s 7941 86.7% A 0.171s 7358 80.4% A 0.201s 6664 72.8% A 0.232s 5870 64.1% A 0.262s 4945 54.0% A 0.292s 4009 43.8% A 0.322s 3166 34.6% A 0.353s 2380 26.0% A 0.383s 1717 18.8% A 0.413s 1144 12.5% A 0.443s 694 7.6% A 0.473s 360 3.9% A 0.504s 125 1.4% A 0.534s 16 0.2% A 0.564s 4 0.0% B 0.020s 9144 99.9% B 0.050s 9016 98.5% B 0.081s 8772 95.8% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.171s 7378 80.6% B 0.201s 6688 73.1% B 0.232s 5892 64.4% B 0.262s 4982 54.4% B 0.292s 4054 44.3% B 0.322s 3162 34.5% B 0.353s 2391 26.1% B 0.383s 1704 18.6% B 0.413s 1149 12.6% B 0.444s 700 7.6% B 0.474s 357 3.9% B 0.504s 133 1.5% B 0.534s 15 0.2% B 0.565s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R