STH Recent Preflight: 61090
Executing preflight for 61090 at Wed Feb 18 18:26:45 SAST 2026.
Log can be found in /atlas/obs/03/61090/preflight.dat.
Setting donefile '/atlas/obs/03/61090/preflight_complete.20260218162645.17805' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260218162645.17805.
Wed Feb 18 18:26:45 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Feb 18 18:26:45 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [5ec68109-d834-4a5f-ba7e-8bb4537b3a12;1800]
Wed Feb 18 18:26:45 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Wed Feb 18 18:26:46 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Feb 18 18:26:46 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Wed Feb 18 18:26:46 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Feb 18 18:26:46 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1771432001
OK
Wed Feb 18 18:26:46 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Feb 18 18:26:46 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
Wed Feb 18 18:26:48 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
Wed Feb 18 18:26:48 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Wed Feb 18 18:26:48 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Wed Feb 18 16:26:48 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 350 1024 377 1.027 0.021 0.090
*metbox2.sth.atl .PPS. 1 u 582 1024 377 0.239 -0.011 0.081
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 341 1024 377 23.278 0.703 0.316
+ntp.as3741.net 155.232.19.6 2 u 686 1024 377 22.768 -0.014 0.104
+ntp2.as3741.net 155.232.19.6 2 u 161 1024 377 7.291 -0.017 0.087
-ntp2.inx.net.za 183.3.52.101 2 u 594 1024 377 7.349 -0.073 0.093
-102.222.100.153 155.232.19.6 2 u 454 1024 377 7.879 -0.803 0.898
-ntp5.inx.net.za 196.21.187.2 2 u 634 1024 377 7.957 0.118 0.038
-flipping.cloudh 80.72.67.48 3 u 344 1024 377 7.406 0.051 0.930
102.216.37.99 ( 210.182.58.253 2 u 16d 1024 0 73.586 -0.040 0.000
-jnb.clearnet.pw 183.3.52.101 2 u 201 1024 377 22.837 -0.389 0.897
Wed Feb 18 18:26:50 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6099GB)
200GB available in /atlas/red...OK (8797GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.4T 5.9T 44% /
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 5.0T 8.4T 38% /
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 734G 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
Wed Feb 18 18:26:50 SAST 2026 [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
Wed Feb 18 18:26:50 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Wed Feb 18 18:26:50 SAST 2026 [elapsed=5 sec] SERVICES2
Wed Feb 18 18:26:54 SAST 2026 [elapsed=9 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Feb 18 18:26:59 SAST 2026 [elapsed=14 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= 928kB time=00:00:29.69 bitrate= 256.0kbits/s speed=1.44e+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
Wed Feb 18 18:29:28 SAST 2026 [elapsed=163 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: 54.74 -29.49, az/alt=324.69 +86.49 idle(e) IDLE
Wed Feb 18 18:30:27 SAST 2026 [elapsed=222 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Feb 18 18:30:48 SAST 2026 [elapsed=243 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.4 IDLE
Wed Feb 18 18:30:48 SAST 2026 [elapsed=243 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (10 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.2C)
Checking CCD plane: Z0=+1768.00 DZDX=-893.00 DZDY=+3735.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Feb 18 18:30:48 SAST 2026 [elapsed=243 sec] WEATHER
status weather: W 20.6C 34% 53/71kph@315 DP15.6C/-41C/d IDLE
...OK
Wed Feb 18 18:30:49 SAST 2026 [elapsed=244 sec] MET
status...OK
met: c=N o=Y Ro21h Co21h Wo4d Ho1d To50d Do21h IDLE
Wed Feb 18 18:30:49 SAST 2026 [elapsed=244 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Feb 18 18:30:49 SAST 2026 [elapsed=244 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 83.67 -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 -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 117 1.3%
A 0.081s 404 4.4%
A 0.111s 746 8.1%
A 0.142s 1208 13.2%
A 0.172s 1804 19.7%
A 0.202s 2489 27.2%
A 0.232s 3287 35.9%
A 0.263s 4194 45.8%
A 0.293s 5146 56.2%
A 0.323s 6018 65.7%
A 0.353s 6779 74.1%
A 0.383s 7438 81.3%
A 0.414s 8000 87.4%
A 0.444s 8465 92.5%
A 0.474s 8790 96.0%
A 0.504s 9022 98.6%
A 0.535s 9150 100.0%
B 0.020s 1 0.0%
B 0.050s 97 1.1%
B 0.081s 386 4.2%
B 0.111s 728 8.0%
B 0.141s 1197 13.1%
B 0.171s 1778 19.4%
B 0.202s 2440 26.7%
B 0.232s 3258 35.6%
B 0.262s 4168 45.5%
B 0.293s 5104 55.8%
B 0.323s 5991 65.4%
B 0.353s 6752 73.8%
B 0.383s 7437 81.2%
B 0.414s 7993 87.3%
B 0.444s 8455 92.4%
B 0.474s 8796 96.1%
B 0.504s 9027 98.6%
B 0.535s 9144 99.9%
B 0.565s 9159 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9068 99.1%
A 0.080s 8782 95.9%
A 0.111s 8426 92.0%
A 0.141s 7986 87.2%
A 0.171s 7392 80.8%
A 0.201s 6715 73.4%
A 0.232s 5924 64.7%
A 0.262s 5013 54.8%
A 0.292s 4072 44.5%
A 0.323s 3195 34.9%
A 0.353s 2400 26.2%
A 0.383s 1729 18.9%
A 0.413s 1167 12.7%
A 0.444s 710 7.8%
A 0.474s 364 4.0%
A 0.504s 135 1.5%
A 0.535s 16 0.2%
A 0.565s -6 0.0%
B 0.020s 9146 99.9%
B 0.051s 9033 98.7%
B 0.081s 8770 95.8%
B 0.111s 8424 92.0%
B 0.142s 7955 86.9%
B 0.172s 7378 80.6%
B 0.202s 6695 73.1%
B 0.232s 5895 64.4%
B 0.263s 4983 54.4%
B 0.293s 4051 44.3%
B 0.323s 3165 34.6%
B 0.353s 2385 26.1%
B 0.384s 1714 18.7%
B 0.414s 1141 12.5%
B 0.444s 698 7.6%
B 0.474s 356 3.9%
B 0.505s 129 1.4%
B 0.535s 14 0.2%
B 0.565s -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 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= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.13e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[1] foc=9253 IDLE
Wed Feb 18 18:31:28 SAST 2026 [elapsed=283 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.4 IDLE
taking preflight exposures:
acam...OK
acam image:
124M Feb 18 18:31 /atlas/obs/03a/61090/03a61090e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Feb 18 18:31:51 SAST 2026 [elapsed=306 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (64 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Feb 18 18:31:51 SAST 2026 [elapsed=306 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61089.68879305|info|galildriver|using focus model: foc=9187+(4.30)*21.0+(-0.40)*60.2=9253.2
61089.68879795|info|galildriver|c 1 IN | cass: 18146 0.09 mm b=23 move=NO | arm: 408811 475.92 mm b=03 move=OK | foc: 54010012 9253 um b=2f [cmd]
bestfocus for c...OK
Wed Feb 18 18:31:53 SAST 2026 [elapsed=308 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Feb 18 18:32:22 SAST 2026 [elapsed=337 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
Wed Feb 18 18:32:24 SAST 2026 [elapsed=339 sec] NOTICES: det_dzdx=-893 is outside range +-250 from -558; det_dzdy=3735 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Wed Feb 18 18:32:24 SAST 2026 [elapsed=339 sec] Happy observing!
Wed Feb 18 18:32:24 SAST 2026 [elapsed=339 sec] Preflight took 339 seconds to complete.
Wed Feb 18 18:32:24 SAST 2026 [elapsed=339 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 381 4.2% A 0.111s 731 8.0% A 0.141s 1198 13.1% A 0.172s 1779 19.4% A 0.202s 2464 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.292s 5107 55.8% A 0.323s 5992 65.5% A 0.353s 6779 74.1% A 0.383s 7431 81.2% A 0.414s 8008 87.5% A 0.444s 8459 92.4% A 0.474s 8788 96.0% A 0.504s 9029 98.6% A 0.535s 9140 99.8% A 0.565s 9152 100.0% B 0.020s 0 0.0% B 0.050s 114 1.2% B 0.081s 377 4.1% B 0.111s 728 8.0% B 0.141s 1201 13.1% B 0.171s 1773 19.4% B 0.202s 2465 26.9% B 0.232s 3266 35.7% B 0.262s 4167 45.5% B 0.292s 5103 55.7% B 0.322s 5987 65.4% B 0.353s 6771 74.0% B 0.383s 7440 81.3% B 0.413s 7985 87.2% B 0.443s 8445 92.3% B 0.473s 8787 96.0% B 0.504s 9018 98.5% 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 0.051s 9045 98.8% A 0.081s 8775 95.9% A 0.111s 8423 92.0% A 0.142s 7958 86.9% A 0.172s 7378 80.6% A 0.202s 6687 73.1% A 0.233s 5896 64.4% A 0.264s 4944 54.0% A 0.294s 4009 43.8% A 0.324s 3138 34.3% A 0.355s 2358 25.8% A 0.385s 1694 18.5% A 0.415s 1125 12.3% A 0.446s 669 7.3% A 0.477s 340 3.7% A 0.507s 112 1.2% A 0.538s 11 0.1% A 0.568s 3 0.0% B 0.020s 9143 99.9% B 0.051s 9016 98.5% B 0.081s 8770 95.8% B 0.112s 8420 92.0% B 0.142s 7933 86.7% B 0.173s 7355 80.3% B 0.203s 6663 72.8% B 0.234s 5864 64.1% B 0.264s 4951 54.1% B 0.294s 4022 43.9% B 0.325s 3108 34.0% B 0.355s 2345 25.6% B 0.386s 1664 18.2% B 0.416s 1116 12.2% B 0.446s 674 7.4% B 0.476s 337 3.7% B 0.507s 122 1.3% B 0.537s 11 0.1% B 0.568s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R