STH Recent Preflight: 61291
Executing preflight for 61291 at Mon Sep 7 17:26:14 SAST 2026.
Log can be found in /atlas/obs/03/61291/preflight.dat.
Setting donefile '/atlas/obs/03/61291/preflight_complete.20260907152614.4726' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260907152614.4726.
Mon Sep 7 17:26:14 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Sep 7 17:26:14 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [17bb29d7-10e3-4bc1-9d3d-7fc47bdf36ce;1800]
Mon Sep 7 17:26:14 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Sep 7 17:26:15 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Sep 7 17:26:15 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Mon Sep 7 17:26:15 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Sep 7 17:26:15 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1788794771
OK
Mon Sep 7 17:26:15 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Sep 7 17:26:15 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
Mon Sep 7 17:26:16 SAST 2026 [elapsed=2 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
Mon Sep 7 17:26:17 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Sep 7 17:26:17 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Mon Sep 7 15:26:17 UTC 2026
metbox: 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 1051 1024 377 0.945 0.013 0.068
+metbox2.sth.atl .PPS. 1 u 97 1024 377 0.320 -0.039 0.029
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 1034 1024 377 23.340 0.080 0.299
-ntp.as3741.net 146.64.8.7 2 u 560 1024 377 23.245 -0.051 0.428
-ntp2.as3741.net 155.232.19.6 2 u 156 1024 377 7.220 0.063 0.841
-ntp2.inx.net.za 196.21.187.2 2 u 734 1024 377 7.326 0.003 0.051
+ntp5.inx.net.za 210.182.58.253 2 u 100 1024 377 7.483 0.064 0.291
#102.222.156.151 196.21.187.2 2 u 296 1024 367 23.478 -0.097 0.499
+ntp2.nog.net.za 80.72.67.48 3 u 991 1024 377 7.605 0.049 0.064
-139.84.231.68 196.21.187.2 2 u 6 1024 377 22.837 0.276 1.409
-ntp8.inx.net.za 102.176.229.251 2 u 249 1024 377 16.911 0.118 0.419
Mon Sep 7 17:26:19 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (4951GB)
200GB available in /atlas/red...OK (8155GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 5.5T 4.8T 54% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17284
admin:/dev/loop1 106M 106M 0 100% /snap/core/17292
archon:/dev/sda2 117G 22G 89G 20% /
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
tcs:/dev/mapper/ubuntu--vg-ubuntu--lv 98G 38G 56G 41% /
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 5.6T 7.8T 42% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.8T 12T 13% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 738G 13T 6% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc4:/dev/md0p1 15T 1.1T 13T 8% /
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17292
Mon Sep 7 17:26:19 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
Mon Sep 7 17:26:19 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Mon Sep 7 17:26:19 SAST 2026 [elapsed=5 sec] SERVICES2
Mon Sep 7 17:26:19 SAST 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Sep 7 17:26:24 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=1.52e+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
Mon Sep 7 17:29:38 SAST 2026 [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: 237.83 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Mon Sep 7 17:30:29 SAST 2026 [elapsed=255 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Sep 7 17:30:48 SAST 2026 [elapsed=274 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Mon Sep 7 17:30:48 SAST 2026 [elapsed=274 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 (-54.4C)
Checking CCD plane: Z0=+1733.00 DZDX=-890.00 DZDY=+2930.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Sep 7 17:30:48 SAST 2026 [elapsed=274 sec] WEATHER
status weather: C 17.4C 58% 7/10kph@125 DP8.3C/1C/d IDLE
...OK
Mon Sep 7 17:30:49 SAST 2026 [elapsed=275 sec] MET
status...OK
met: c=N o=N Ro1d Cs0 Wo2d Ho5h To81d Do7d wait C IDLE
Mon Sep 7 17:30:50 SAST 2026 [elapsed=276 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Sep 7 17:30:50 SAST 2026 [elapsed=276 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 266.75 -14.64, 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 -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 7 0.1%
A 0.051s 115 1.3%
A 0.081s 404 4.4%
A 0.111s 745 8.1%
A 0.142s 1207 13.2%
A 0.172s 1804 19.7%
A 0.202s 2489 27.2%
A 0.233s 3287 35.9%
A 0.263s 4195 45.8%
A 0.293s 5145 56.2%
A 0.324s 6017 65.7%
A 0.354s 6802 74.3%
A 0.384s 7460 81.5%
A 0.415s 8031 87.7%
A 0.445s 8491 92.8%
A 0.476s 8812 96.3%
A 0.506s 9031 98.7%
A 0.536s 9155 100.0%
B 0.020s 0 0.0%
B 0.051s 99 1.1%
B 0.081s 386 4.2%
B 0.111s 726 7.9%
B 0.142s 1198 13.1%
B 0.172s 1778 19.4%
B 0.202s 2464 26.9%
B 0.233s 3258 35.6%
B 0.263s 4198 45.9%
B 0.294s 5132 56.1%
B 0.324s 6021 65.8%
B 0.355s 6797 74.3%
B 0.385s 7456 81.5%
B 0.415s 8025 87.7%
B 0.445s 8467 92.5%
B 0.476s 8807 96.2%
B 0.506s 9033 98.7%
B 0.536s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9063 99.0%
A 0.081s 8771 95.8%
A 0.111s 8402 91.8%
A 0.142s 7951 86.9%
A 0.172s 7352 80.3%
A 0.202s 6669 72.9%
A 0.233s 5869 64.1%
A 0.263s 4953 54.1%
A 0.293s 4013 43.8%
A 0.324s 3138 34.3%
A 0.354s 2354 25.7%
A 0.384s 1690 18.5%
A 0.415s 1132 12.4%
A 0.445s 684 7.5%
A 0.476s 337 3.7%
A 0.506s 118 1.3%
A 0.536s 7 0.1%
B 0.020s 9146 99.9%
B 0.050s 9039 98.7%
B 0.081s 8781 95.9%
B 0.111s 8434 92.1%
B 0.141s 7974 87.1%
B 0.172s 7400 80.8%
B 0.202s 6716 73.4%
B 0.232s 5896 64.4%
B 0.263s 5016 54.8%
B 0.293s 4050 44.2%
B 0.323s 3164 34.6%
B 0.354s 2385 26.1%
B 0.384s 1713 18.7%
B 0.414s 1143 12.5%
B 0.445s 696 7.6%
B 0.475s 356 3.9%
B 0.505s 127 1.4%
B 0.536s 12 0.1%
B 0.566s -5 0.0%
A 0 0.0mm 15 N F R | B -4 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.536 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.0 percent in 0.566 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed= 952x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9239 IDLE
Mon Sep 7 17:31:27 SAST 2026 [elapsed=313 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:
124M Sep 7 17:31 /atlas/obs/03a/61291/03a61291e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Sep 7 17:31:49 SAST 2026 [elapsed=335 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (89 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Sep 7 17:31:49 SAST 2026 [elapsed=335 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61290.64710477|info|galildriver|using focus model: foc=9187+(4.30)*17.4+(-0.40)*60.2=9237.7
61290.64710945|info|galildriver|o 2 IN | cass: 3038475 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54007291 9240 um b=0f [cmd]
bestfocus for o...OK
Mon Sep 7 17:31:51 SAST 2026 [elapsed=337 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Sep 7 17:32:17 SAST 2026 [elapsed=363 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
Mon Sep 7 17:32:18 SAST 2026 [elapsed=364 sec] NOTICES: det_dzdx=-890 is outside range +-250 from -558; det_dzdy=2930 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Mon Sep 7 17:32:18 SAST 2026 [elapsed=364 sec] Happy observing!
Mon Sep 7 17:32:18 SAST 2026 [elapsed=364 sec] Preflight took 364 seconds to complete.
Mon Sep 7 17:32:18 SAST 2026 [elapsed=364 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 120 1.3% A 0.081s 396 4.3% A 0.111s 749 8.2% A 0.141s 1214 13.3% A 0.172s 1804 19.7% A 0.202s 2489 27.2% A 0.232s 3295 36.0% A 0.262s 4204 45.9% A 0.293s 5133 56.1% A 0.323s 6027 65.8% A 0.353s 6796 74.2% A 0.383s 7453 81.4% A 0.414s 8006 87.5% A 0.444s 8457 92.4% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.535s 9137 99.8% A 0.565s 9153 100.0% B 0.020s 1 0.0% B 0.050s 120 1.3% B 0.081s 381 4.2% B 0.111s 728 8.0% B 0.141s 1201 13.1% B 0.171s 1773 19.4% B 0.201s 2468 27.0% B 0.232s 3268 35.7% B 0.262s 4166 45.5% B 0.292s 5102 55.7% B 0.322s 5988 65.4% B 0.353s 6773 74.0% B 0.383s 7439 81.3% B 0.413s 8000 87.4% B 0.444s 8456 92.4% B 0.474s 8796 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7959 86.9% A 0.171s 7381 80.6% A 0.201s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4982 54.4% A 0.292s 4038 44.1% A 0.322s 3194 34.9% A 0.353s 2409 26.3% A 0.383s 1732 18.9% A 0.413s 1164 12.7% A 0.443s 705 7.7% A 0.473s 368 4.0% A 0.504s 132 1.4% A 0.534s 15 0.2% A 0.564s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9026 98.6% B 0.081s 8779 95.9% B 0.111s 8434 92.1% B 0.141s 7969 87.1% B 0.171s 7400 80.8% B 0.201s 6714 73.3% B 0.232s 5919 64.7% B 0.262s 5007 54.7% B 0.292s 4083 44.6% B 0.322s 3191 34.9% B 0.353s 2416 26.4% B 0.383s 1727 18.9% B 0.413s 1159 12.7% B 0.443s 713 7.8% B 0.474s 364 4.0% B 0.504s 137 1.5% B 0.534s 15 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R