STH Recent Preflight: 61000
Executing preflight for 61000 at Thu Nov 20 18:22:30 SAST 2025.
Log can be found in /atlas/obs/03/61000/preflight.dat.
Setting donefile '/atlas/obs/03/61000/preflight_complete.20251120162230.13292' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20251120162230.13292.
Thu Nov 20 18:22:30 SAST 2025 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Nov 20 18:22:30 SAST 2025 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [5458298f-4694-4749-b397-bd474123b459;1800]
Thu Nov 20 18:22:30 SAST 2025 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu Nov 20 18:22:31 SAST 2025 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Nov 20 18:22:31 SAST 2025 [elapsed=1 sec] auxcam is disabled.
Thu Nov 20 18:22:31 SAST 2025 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Nov 20 18:22:31 SAST 2025 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1763655746
OK
Thu Nov 20 18:22:31 SAST 2025 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Nov 20 18:22:31 SAST 2025 [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
Thu Nov 20 18:22:33 SAST 2025 [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
Thu Nov 20 18:22:33 SAST 2025 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Nov 20 18:22:33 SAST 2025 [elapsed=3 sec] CLOCKS
admin: Thu Nov 20 16:22:33 UTC 2025
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 739 1024 377 0.934 -0.022 0.035
+metbox2.sth.atl .PPS. 1 u 507 1024 377 0.290 -0.058 0.043
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 311 1024 377 24.360 0.452 0.403
+ntp.as3741.net 146.64.8.7 2 u 158 1024 377 22.847 -0.006 0.156
+ntp2.as3741.net 146.64.8.7 2 u 667 1024 377 7.291 -0.030 0.038
-ntp2.inx.net.za 183.3.52.101 2 u 996 1024 377 7.109 0.059 0.039
-102.222.100.153 155.232.19.6 2 u 532 1024 377 7.551 -0.163 0.641
#za-jnb-rs01b.dp 210.182.58.253 2 u 976 1024 377 22.981 1.839 1.057
-tick.sanren.ac. .TC. 1 u 177 1024 377 24.238 0.063 0.067
-ntp.urbanwave.c 155.232.19.6 2 u 954 1024 377 22.702 1.656 0.625
-ntp4.inx.net.za 183.3.52.101 2 u 189 1024 377 22.931 0.089 0.039
Thu Nov 20 18:22:35 SAST 2025 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5711GB)
200GB available in /atlas/red...OK (8625GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.8T 5.5T 47% /
admin:/dev/loop0 105M 105M 0 100% /snap/core/17212
admin:/dev/loop1 105M 105M 0 100% /snap/core/17247
archon:/dev/sda2 117G 21G 91G 19% /
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
archon:/dev/loop1 105M 105M 0 100% /snap/core/17212
archon:/dev/loop0 105M 105M 0 100% /snap/core/17247
tcs:/dev/mapper/ubuntu--vg-ubuntu--lv 98G 34G 60G 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 5.2T 8.3T 39% /
proc1:/dev/loop0 105M 105M 0 100% /snap/core/17212
proc1:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc2:/dev/md0p1 15T 1.7T 12T 13% /
proc2:/dev/loop1 105M 105M 0 100% /snap/core/17212
proc2:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc3:/dev/md0p1 15T 732G 13T 6% /
proc3:/dev/loop0 105M 105M 0 100% /snap/core/17212
proc3:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc4:/dev/md0p1 15T 1.1T 13T 8% /
proc4:/dev/loop0 105M 105M 0 100% /snap/core/17212
proc4:/dev/loop1 105M 105M 0 100% /snap/core/17247
Thu Nov 20 18:22:35 SAST 2025 [elapsed=5 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
Thu Nov 20 18:22:36 SAST 2025 [elapsed=6 sec] Disabling mount tracking.
Thu Nov 20 18:22:36 SAST 2025 [elapsed=6 sec] SERVICES2
Thu Nov 20 18:22:36 SAST 2025 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Nov 20 18:22:40 SAST 2025 [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= 918kB time=00:00:29.37 bitrate= 256.0kbits/s speed=1.5e+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
Thu Nov 20 18:25:54 SAST 2025 [elapsed=204 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: 325.13 -29.49, az/alt=324.67 +86.49 idle(e) IDLE
Thu Nov 20 18:26:52 SAST 2025 [elapsed=262 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Nov 20 18:27:13 SAST 2025 [elapsed=283 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Thu Nov 20 18:27:13 SAST 2025 [elapsed=283 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (4 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.1C)
Checking CCD plane: Z0=+1771.00 DZDX=-900.00 DZDY=+3793.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Nov 20 18:27:13 SAST 2025 [elapsed=283 sec] WEATHER
status weather: clear 21.4C 22% 16/21kph@170 DP22.1C/-25C/d IDLE
...OK
Thu Nov 20 18:27:13 SAST 2025 [elapsed=283 sec] MET
status...OK
met: c=N o=Y Ro59d Co4d Wo19d Ho1d To131d Do11d IDLE
Thu Nov 20 18:27:13 SAST 2025 [elapsed=283 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Nov 20 18:27:15 SAST 2025 [elapsed=285 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 354.06 -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 0.024s -2 0.0%
A 2 0.1mm 15 N F R | B -2 -0.1mm 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 8 0.1%
A 0.051s 116 1.3%
A 0.081s 405 4.4%
A 0.111s 746 8.1%
A 0.141s 1208 13.2%
A 0.172s 1783 19.5%
A 0.202s 2489 27.2%
A 0.232s 3288 35.9%
A 0.263s 4194 45.8%
A 0.293s 5145 56.2%
A 0.323s 6019 65.8%
A 0.354s 6801 74.3%
A 0.384s 7457 81.5%
A 0.414s 8016 87.6%
A 0.445s 8478 92.6%
A 0.475s 8799 96.1%
A 0.505s 9027 98.6%
A 0.535s 9152 100.0%
B 0.020s 1 0.0%
B 0.050s 101 1.1%
B 0.081s 388 4.2%
B 0.111s 728 8.0%
B 0.141s 1200 13.1%
B 0.172s 1778 19.4%
B 0.202s 2467 26.9%
B 0.232s 3258 35.6%
B 0.263s 4170 45.6%
B 0.293s 5106 55.8%
B 0.323s 5992 65.5%
B 0.354s 6775 74.0%
B 0.384s 7435 81.2%
B 0.414s 8010 87.5%
B 0.444s 8455 92.4%
B 0.475s 8805 96.2%
B 0.505s 9032 98.7%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9062 99.0%
A 0.081s 8770 95.8%
A 0.111s 8415 91.9%
A 0.141s 7967 87.0%
A 0.172s 7371 80.5%
A 0.202s 6692 73.1%
A 0.232s 5897 64.4%
A 0.263s 4981 54.4%
A 0.293s 4044 44.2%
A 0.323s 3166 34.6%
A 0.353s 2376 26.0%
A 0.384s 1712 18.7%
A 0.415s 1148 12.5%
A 0.450s 648 7.1%
A 0.486s 269 2.9%
A 0.520s 60 0.7%
A 0.552s -6 0.0%
B 0.020s 9140 99.8%
B 0.060s 8982 98.1%
B 0.100s 8511 93.0%
B 0.140s 8023 87.6%
B 0.180s 7126 77.8%
B 0.212s 6347 69.3%
B 0.243s 5438 59.4%
B 0.279s 4404 48.1%
B 0.311s 3418 37.3%
B 0.341s 2550 27.9%
B 0.372s 1857 20.3%
B 0.402s 1259 13.8%
B 0.432s 787 8.6%
B 0.463s 423 4.6%
B 0.493s 170 1.9%
B 0.523s 30 0.3%
B 0.553s -5 0.0%
A 1 0.0mm 15 N F R | B -5 -0.2mm 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 0.535 seconds.
Shutter A closed to 0.0 percent in 0.552 seconds.
Shutter B closed to 0.0 percent in 0.553 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.09e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9258 IDLE
Thu Nov 20 18:27:53 SAST 2025 [elapsed=323 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 Nov 20 18:28 /atlas/obs/03a/61000/03a61000e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Nov 20 18:28:15 SAST 2025 [elapsed=345 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (49 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Nov 20 18:28:15 SAST 2025 [elapsed=345 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
60999.68629477|info|galildriver|using focus model: foc=9187+(4.30)*21.3+(-0.40)*60.2=9254.5
60999.68629978|info|galildriver|o 2 IN | cass: 3045788 15.23 mm b=23 move=NO | arm: 408777 475.89 mm b=03 move=OK | foc: 54011068 9258 um b=8f M [focus]
60999.68631039|info|galildriver|o 2 IN | cass: 3045787 15.23 mm b=23 move=NO | arm: 408777 475.89 mm b=03 move=OK | foc: 54011072 9258 um b=2f [cmd]
bestfocus for o...OK
Thu Nov 20 18:28:18 SAST 2025 [elapsed=348 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Nov 20 18:28:48 SAST 2025 [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
Thu Nov 20 18:28:49 SAST 2025 [elapsed=379 sec] NOTICES: det_dzdx=-900 is outside range +-250 from -558; det_dzdy=3793 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Thu Nov 20 18:28:49 SAST 2025 [elapsed=379 sec] Happy observing!
Thu Nov 20 18:28:49 SAST 2025 [elapsed=379 sec] Preflight took 379 seconds to complete.
Thu Nov 20 18:28:49 SAST 2025 [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 0.050s 118 1.3% A 0.081s 382 4.2% A 0.111s 731 8.0% A 0.141s 1198 13.1% A 0.171s 1780 19.4% A 0.202s 2466 26.9% A 0.232s 3265 35.7% A 0.262s 4174 45.6% A 0.292s 5106 55.8% A 0.322s 5991 65.4% A 0.353s 6779 74.1% A 0.383s 7432 81.2% A 0.413s 8008 87.5% A 0.443s 8445 92.3% A 0.474s 8789 96.0% A 0.504s 9023 98.6% A 0.534s 9138 99.8% A 0.564s 9152 100.0% B 0.020s 2 0.0% B 0.050s 115 1.3% B 0.080s 371 4.1% B 0.111s 717 7.8% B 0.141s 1187 13.0% B 0.171s 1754 19.2% B 0.201s 2445 26.7% B 0.232s 3242 35.4% B 0.262s 4138 45.2% B 0.292s 5074 55.4% B 0.322s 5962 65.1% B 0.352s 6748 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.443s 8443 92.2% B 0.473s 8785 96.0% B 0.504s 9012 98.4% B 0.534s 9137 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9149 99.9% A 0.050s 9038 98.7% A 0.081s 8765 95.8% A 0.111s 8410 91.9% A 0.141s 7941 86.7% A 0.172s 7357 80.4% A 0.202s 6662 72.8% A 0.232s 5869 64.1% A 0.262s 4944 54.0% A 0.293s 4008 43.8% A 0.323s 3138 34.3% A 0.353s 2379 26.0% A 0.383s 1715 18.7% A 0.413s 1143 12.5% A 0.444s 692 7.6% A 0.474s 358 3.9% A 0.504s 124 1.4% A 0.534s 15 0.2% A 0.565s 3 0.0% B 0.020s 9143 99.9% B 0.050s 9016 98.5% B 0.081s 8771 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 4981 54.4% B 0.292s 4054 44.3% B 0.322s 3165 34.6% B 0.353s 2393 26.1% B 0.383s 1702 18.6% B 0.413s 1147 12.5% B 0.443s 700 7.6% B 0.474s 357 3.9% B 0.504s 133 1.5% B 0.534s 15 0.2% B 0.564s 0 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R