STH Recent Preflight: 61339
Executing preflight for 61339 at Sun Oct 25 17:59:04 SAST 2026.
Log can be found in /atlas/obs/03/61339/preflight.dat.
Setting donefile '/atlas/obs/03/61339/preflight_complete.20261025155904.3532' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261025155904.3532.
Sun Oct 25 17:59:04 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Oct 25 17:59:04 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [b07e59ae-8bd1-45bf-a02b-71adae12f794;1800]
Sun Oct 25 17:59:04 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun Oct 25 17:59:05 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Oct 25 17:59:05 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sun Oct 25 17:59:05 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Oct 25 17:59:05 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1792943943
OK
Sun Oct 25 17:59:05 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Oct 25 17:59:05 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
Sun Oct 25 17:59:07 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
Sun Oct 25 17:59:07 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Oct 25 17:59:07 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sun Oct 25 15:59:07 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 1739 1024 176 1.027 0.023 0.032
*metbox2.sth.atl .PPS. 1 u 593 1024 377 0.265 -0.045 0.027
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 229.179.94.34 2 u 533 1024 377 23.337 -0.057 1.096
-ntp.as3741.net 210.182.58.253 2 u 60 1024 377 22.785 0.015 0.154
-ntp2.as3741.net 146.64.58.41 2 u 432 1024 377 7.364 0.086 0.042
-ntp2.inx.net.za 196.21.187.2 2 u 775 1024 377 7.310 0.071 0.070
-ntp2.nog.net.za 80.72.67.48 3 u 1017 1024 377 7.537 0.073 0.039
+139.84.231.68 ( 196.21.187.2 2 u 455 1024 377 22.907 0.004 1.523
-ntp7.inx.net.za 210.182.58.253 2 u 139 1024 377 16.530 0.016 0.315
+tick.sanren.ac. .TC. 1 u 135 1024 377 23.266 0.009 0.050
Sun Oct 25 17:59:10 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6456GB)
200GB available in /atlas/red...OK (9604GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.1T 6.2T 40% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
admin:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/sda2 117G 22G 89G 20% /
archon:/dev/loop0 106M 106M 0 100% /snap/core/17284
archon:/dev/loop1 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 4.2T 9.2T 32% /
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/17292
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
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/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Sun Oct 25 17:59:10 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
Sun Oct 25 17:59:10 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Sun Oct 25 17:59:10 SAST 2026 [elapsed=6 sec] SERVICES2
Sun Oct 25 17:59:10 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Oct 25 17:59:15 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= 930kB time=00:00:29.76 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
Sun Oct 25 18:01:48 SAST 2026 [elapsed=164 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: 293.21 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Sun Oct 25 18:02:39 SAST 2026 [elapsed=215 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Oct 25 18:02:58 SAST 2026 [elapsed=234 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.8 IDLE
Sun Oct 25 18:02:58 SAST 2026 [elapsed=234 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (0 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.8C)
Checking CCD plane: Z0=+1773.00 DZDX=-922.00 DZDY=+3859.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Oct 25 18:02:58 SAST 2026 [elapsed=234 sec] WEATHER
status weather: C 20.4C 48% 11/13kph@164 DP11.0C/-25C/d IDLE
...OK
Sun Oct 25 18:02:59 SAST 2026 [elapsed=235 sec] MET
status...OK
met: c=N o=Y Ro19d Co2d Wo2d Ho3d To31d Do4d IDLE
Sun Oct 25 18:03:00 SAST 2026 [elapsed=236 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Oct 25 18:03:00 SAST 2026 [elapsed=236 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 322.12 -14.63, az/alt=59.91 +60.05 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 102 1.1%
A 0.081s 383 4.2%
A 0.111s 723 7.9%
A 0.141s 1171 12.8%
A 0.172s 1764 19.3%
A 0.202s 2443 26.7%
A 0.232s 3231 35.3%
A 0.262s 4134 45.2%
A 0.293s 5085 55.5%
A 0.323s 5964 65.2%
A 0.353s 6756 73.8%
A 0.384s 7419 81.0%
A 0.414s 7983 87.2%
A 0.444s 8454 92.4%
A 0.474s 8781 95.9%
A 0.505s 9014 98.5%
A 0.535s 9150 100.0%
B 0.020s 1 0.0%
B 0.050s 103 1.1%
B 0.081s 387 4.2%
B 0.111s 739 8.1%
B 0.141s 1215 13.3%
B 0.172s 1798 19.6%
B 0.202s 2490 27.2%
B 0.232s 3285 35.9%
B 0.263s 4198 45.9%
B 0.293s 5131 56.1%
B 0.323s 6021 65.8%
B 0.353s 6774 74.0%
B 0.383s 7435 81.2%
B 0.414s 8010 87.5%
B 0.444s 8453 92.3%
B 0.474s 8797 96.1%
B 0.504s 9027 98.6%
B 0.535s 9143 99.9%
B 0.565s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9057 98.9%
A 0.081s 8760 95.7%
A 0.111s 8401 91.8%
A 0.141s 7950 86.8%
A 0.172s 7374 80.6%
A 0.202s 6692 73.1%
A 0.232s 5869 64.1%
A 0.262s 4983 54.4%
A 0.293s 4013 43.8%
A 0.323s 3166 34.6%
A 0.353s 2378 26.0%
A 0.383s 1690 18.5%
A 0.414s 1131 12.4%
A 0.444s 687 7.5%
A 0.474s 346 3.8%
A 0.505s 122 1.3%
A 0.535s 12 0.1%
A 0.565s -4 0.0%
B 0.020s 9146 99.9%
B 0.050s 9038 98.7%
B 0.081s 8780 95.9%
B 0.111s 8435 92.1%
B 0.141s 7972 87.1%
B 0.171s 7397 80.8%
B 0.202s 6717 73.4%
B 0.232s 5923 64.7%
B 0.262s 5014 54.8%
B 0.292s 4080 44.6%
B 0.322s 3193 34.9%
B 0.353s 2405 26.3%
B 0.383s 1734 18.9%
B 0.413s 1159 12.7%
B 0.444s 710 7.8%
B 0.474s 366 4.0%
B 0.504s 134 1.5%
B 0.534s 17 0.2%
B 0.565s -2 0.0%
A 0 0.0mm 15 N F R | B -2 -0.1mm 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= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.18e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9318 IDLE
Sun Oct 25 18:03:37 SAST 2026 [elapsed=273 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.8 IDLE
taking preflight exposures:
acam...OK
acam image:
127M Oct 25 18:03 /atlas/obs/03a/61339/03a61339e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Oct 25 18:03:59 SAST 2026 [elapsed=295 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (61 seconds old)
OTA humidity level...OK (2%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Oct 25 18:03:59 SAST 2026 [elapsed=295 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61338.66944717|info|galildriver|using focus model: foc=9187+(4.30)*21.1+(-0.40)*60.2=9253.6
61338.66945253|info|galildriver|o 2 IN | cass: 3034134 15.17 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54023072 9318 um b=8f M [focus]
61338.66945825|info|galildriver|o 2 IN | cass: 3034135 15.17 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54023073 9318 um b=8f M [focus]
61338.66946164|info|galildriver|o 2 IN | cass: 3034131 15.17 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54023089 9319 um b=8f M [focus]
61338.66946981|info|galildriver|o 2 IN | cass: 3034134 15.17 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54023072 9318 um b=0f [cmd]
bestfocus for o...OK
Sun Oct 25 18:04:03 SAST 2026 [elapsed=299 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Oct 25 18:04:29 SAST 2026 [elapsed=325 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
Sun Oct 25 18:04:31 SAST 2026 [elapsed=327 sec] NOTICES: det_dzdx=-922 is outside range +-250 from -558; det_dzdy=3859 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sun Oct 25 18:04:31 SAST 2026 [elapsed=327 sec] Happy observing!
Sun Oct 25 18:04:31 SAST 2026 [elapsed=327 sec] Preflight took 327 seconds to complete.
Sun Oct 25 18:04:31 SAST 2026 [elapsed=327 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 115 1.3% A 0.081s 384 4.2% A 0.111s 749 8.2% A 0.142s 1197 13.1% A 0.172s 1803 19.7% A 0.202s 2490 27.2% A 0.232s 3294 36.0% A 0.263s 4204 45.9% A 0.293s 5132 56.1% A 0.323s 5998 65.5% A 0.353s 6798 74.3% A 0.384s 7454 81.4% A 0.414s 8022 87.6% A 0.444s 8459 92.4% A 0.474s 8792 96.0% A 0.505s 9033 98.7% A 0.535s 9140 99.8% A 0.565s 9154 100.0% B 0.020s 2 0.0% B 0.050s 121 1.3% B 0.081s 388 4.2% B 0.111s 741 8.1% B 0.141s 1219 13.3% B 0.171s 1793 19.6% B 0.202s 2492 27.2% B 0.232s 3296 36.0% B 0.262s 4198 45.9% B 0.292s 5133 56.1% B 0.323s 5988 65.4% B 0.353s 6796 74.2% B 0.383s 7460 81.5% B 0.414s 8019 87.6% B 0.444s 8468 92.5% B 0.474s 8803 96.2% B 0.504s 9029 98.6% B 0.535s 9140 99.8% B 0.565s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9042 98.8% A 0.081s 8768 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.172s 7361 80.4% A 0.202s 6667 72.8% A 0.232s 5867 64.1% A 0.262s 4952 54.1% A 0.293s 4008 43.8% A 0.323s 3139 34.3% A 0.353s 2363 25.8% A 0.383s 1691 18.5% A 0.414s 1130 12.3% A 0.444s 692 7.6% A 0.474s 358 3.9% A 0.504s 119 1.3% A 0.535s 13 0.1% A 0.565s 2 0.0% B 0.020s 9143 99.9% B 0.050s 9013 98.5% B 0.081s 8763 95.7% B 0.111s 8409 91.9% B 0.141s 7935 86.7% B 0.172s 7359 80.4% B 0.202s 6667 72.8% B 0.232s 5866 64.1% B 0.263s 4951 54.1% B 0.293s 4026 44.0% B 0.323s 3138 34.3% B 0.353s 2368 25.9% B 0.384s 1681 18.4% B 0.414s 1131 12.4% B 0.444s 686 7.5% B 0.474s 348 3.8% B 0.505s 126 1.4% B 0.535s 13 0.1% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R