STH Recent Preflight: 61359
Executing preflight for 61359 at Sat Nov 14 18:16:43 SAST 2026.
Log can be found in /atlas/obs/03/61359/preflight.dat.
Setting donefile '/atlas/obs/03/61359/preflight_complete.20261114161643.7970' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261114161643.7970.
Sat Nov 14 18:16:43 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Nov 14 18:16:43 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [de095057-bf19-4f41-9d16-8cfe82f428d6;1800]
Sat Nov 14 18:16:43 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat Nov 14 18:16:44 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Nov 14 18:16:44 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sat Nov 14 18:16:44 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Nov 14 18:16:44 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1794673000
OK
Sat Nov 14 18:16:44 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Nov 14 18:16:44 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
Sat Nov 14 18:16:46 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
Sat Nov 14 18:16:46 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Nov 14 18:16:46 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sat Nov 14 16:16:46 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 480 1024 377 1.101 -0.043 0.068
+metbox2.sth.atl .PPS. 1 u 86 1024 377 0.254 -0.093 0.079
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 893 1024 377 23.338 0.287 0.319
+ntp.as3741.net 146.64.58.41 2 u 829 1024 377 22.986 -0.074 0.349
-ntp2.as3741.net 129.134.28.123 2 u 310 1024 377 7.219 0.512 0.381
+ntp2.inx.net.za 210.182.58.253 2 u 130 1024 377 7.277 -0.038 0.076
+ntp2.nog.net.za 80.72.67.48 3 u 189 1024 377 7.419 0.039 0.076
-139.84.231.68 ( 196.21.187.2 2 u 193 1024 377 22.811 0.085 0.617
+ntp7.inx.net.za 102.176.229.251 2 u 114 1024 377 16.583 0.068 0.130
*tick.sanren.ac. .TC. 1 u 302 1024 377 23.293 0.029 0.046
Sat Nov 14 18:16:50 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (6159GB)
200GB available in /atlas/red...OK (8503GB)
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 43% /
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/17292
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
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 5.3T 8.2T 40% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.9T 12T 14% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc3:/dev/md0p1 15T 739G 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
Sat Nov 14 18:16:50 SAST 2026 [elapsed=7 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
Sat Nov 14 18:16:50 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Sat Nov 14 18:16:50 SAST 2026 [elapsed=7 sec] SERVICES2
Sat Nov 14 18:16:50 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Nov 14 18:16:55 SAST 2026 [elapsed=12 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= 922kB time=00:00:29.50 bitrate= 256.0kbits/s speed=1.46e+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
Sat Nov 14 18:20:11 SAST 2026 [elapsed=208 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: 317.53 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Sat Nov 14 18:21:02 SAST 2026 [elapsed=259 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Nov 14 18:21:22 SAST 2026 [elapsed=279 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.6 IDLE
Sat Nov 14 18:21:22 SAST 2026 [elapsed=279 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (9 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.1C)
Checking CCD plane: Z0=+1759.00 DZDX=-924.00 DZDY=+3531.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Nov 14 18:21:22 SAST 2026 [elapsed=279 sec] WEATHER
status weather: clear 19.4C 35% 16/19kph@193 DP15.2C/-24C/d IDLE
...OK
Sat Nov 14 18:21:23 SAST 2026 [elapsed=280 sec] MET
status...OK
met: c=N o=Y Ro39d Co7h Wo7d Ho10h To51d Do14d IDLE
Sat Nov 14 18:21:23 SAST 2026 [elapsed=280 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Nov 14 18:21:23 SAST 2026 [elapsed=280 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 346.45 -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 0.020s -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 8 0.1%
A 0.051s 109 1.2%
A 0.081s 384 4.2%
A 0.111s 734 8.0%
A 0.141s 1190 13.0%
A 0.171s 1764 19.3%
A 0.202s 2442 26.7%
A 0.232s 3232 35.3%
A 0.262s 4135 45.2%
A 0.292s 5085 55.5%
A 0.323s 5964 65.2%
A 0.353s 6756 73.8%
A 0.383s 7419 81.0%
A 0.413s 7982 87.2%
A 0.444s 8452 92.3%
A 0.474s 8783 95.9%
A 0.504s 9015 98.5%
A 0.534s 9149 99.9%
B 0.020s 1 0.0%
B 0.050s 96 1.0%
B 0.081s 386 4.2%
B 0.111s 728 8.0%
B 0.141s 1197 13.1%
B 0.171s 1779 19.4%
B 0.202s 2466 26.9%
B 0.232s 3258 35.6%
B 0.262s 4167 45.5%
B 0.292s 5101 55.7%
B 0.323s 5992 65.5%
B 0.353s 6775 74.0%
B 0.383s 7436 81.2%
B 0.414s 8009 87.5%
B 0.444s 8455 92.4%
B 0.474s 8796 96.1%
B 0.504s 9026 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 0.050s 9064 99.0%
A 0.081s 8771 95.8%
A 0.111s 8413 91.9%
A 0.141s 7952 86.9%
A 0.172s 7352 80.3%
A 0.202s 6668 72.8%
A 0.232s 5869 64.1%
A 0.263s 4952 54.1%
A 0.293s 4044 44.2%
A 0.323s 3167 34.6%
A 0.353s 2351 25.7%
A 0.384s 1690 18.5%
A 0.414s 1132 12.4%
A 0.444s 685 7.5%
A 0.475s 347 3.8%
A 0.505s 124 1.4%
A 0.535s 12 0.1%
A 0.566s -5 0.0%
B 0.020s 9145 99.9%
B 0.051s 9025 98.6%
B 0.081s 8760 95.7%
B 0.111s 8410 91.9%
B 0.141s 7939 86.7%
B 0.172s 7359 80.4%
B 0.202s 6670 72.9%
B 0.232s 5869 64.1%
B 0.262s 4953 54.1%
B 0.293s 4022 43.9%
B 0.323s 3137 34.3%
B 0.353s 2360 25.8%
B 0.383s 1694 18.5%
B 0.414s 1125 12.3%
B 0.444s 685 7.5%
B 0.474s 346 3.8%
B 0.504s 124 1.4%
B 0.535s 12 0.1%
B 0.565s -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 99.9 percent in 0.534 seconds.
Shutter B opened to 100.0 percent in 0.565 seconds.
Shutter A closed to 0.0 percent in 0.566 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=1.18e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9252 IDLE
Sat Nov 14 18:22:04 SAST 2026 [elapsed=321 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.6 IDLE
taking preflight exposures:
acam...OK
acam image:
128M Nov 14 18:22 /atlas/obs/03a/61359/03a61359e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Nov 14 18:22:26 SAST 2026 [elapsed=343 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (76 seconds old)
OTA humidity level...OK (2%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Nov 14 18:22:26 SAST 2026 [elapsed=343 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61358.68225714|info|galildriver|using focus model: foc=9187+(4.30)*20.1+(-0.40)*60.2=9249.3
61358.68226330|info|galildriver|o 2 IN | cass: 3033326 15.17 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54009780 9252 um b=8f M [focus]
61358.68227344|info|galildriver|o 2 IN | cass: 3033318 15.17 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54009795 9252 um b=0f [cmd]
bestfocus for o...OK
Sat Nov 14 18:22:29 SAST 2026 [elapsed=346 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Nov 14 18:22:55 SAST 2026 [elapsed=372 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
Sat Nov 14 18:22:56 SAST 2026 [elapsed=373 sec] NOTICES: det_dzdx=-924 is outside range +-250 from -558; det_dzdy=3531 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sat Nov 14 18:22:56 SAST 2026 [elapsed=373 sec] Happy observing!
Sat Nov 14 18:22:56 SAST 2026 [elapsed=373 sec] Preflight took 373 seconds to complete.
Sat Nov 14 18:22:56 SAST 2026 [elapsed=373 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 3 0.0% A 0.051s 109 1.2% A 0.081s 374 4.1% A 0.111s 736 8.0% A 0.141s 1181 12.9% A 0.172s 1761 19.2% A 0.202s 2441 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.293s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7413 81.0% A 0.414s 7989 87.3% A 0.444s 8446 92.3% A 0.474s 8783 95.9% A 0.504s 9022 98.6% A 0.534s 9136 99.8% A 0.565s 9154 100.0% B 0.020s 1 0.0% B 0.050s 105 1.1% B 0.081s 369 4.0% B 0.111s 714 7.8% B 0.141s 1186 13.0% B 0.171s 1752 19.1% B 0.201s 2443 26.7% B 0.232s 3241 35.4% B 0.262s 4138 45.2% B 0.292s 5073 55.4% B 0.322s 5960 65.1% B 0.353s 6749 73.7% B 0.383s 7400 80.8% B 0.413s 7970 87.1% B 0.443s 8429 92.1% B 0.473s 8776 95.9% B 0.503s 9013 98.5% B 0.534s 9134 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9048 98.8% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 7381 80.6% A 0.202s 6691 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.292s 4037 44.1% A 0.322s 3167 34.6% A 0.353s 2388 26.1% A 0.383s 1731 18.9% A 0.413s 1163 12.7% A 0.443s 692 7.6% A 0.474s 367 4.0% A 0.504s 130 1.4% A 0.534s 15 0.2% A 0.564s 3 0.0% B 0.020s 9144 99.9% B 0.050s 9021 98.5% B 0.081s 8781 95.9% B 0.111s 8436 92.2% B 0.141s 7970 87.1% B 0.171s 7401 80.8% B 0.201s 6714 73.3% B 0.232s 5921 64.7% B 0.262s 5011 54.7% B 0.292s 4084 44.6% B 0.322s 3193 34.9% B 0.353s 2417 26.4% B 0.383s 1722 18.8% B 0.413s 1161 12.7% B 0.443s 712 7.8% B 0.474s 364 4.0% B 0.504s 137 1.5% B 0.534s 16 0.2% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R