STH Recent Preflight: 61358
Executing preflight for 61358 at Fri Nov 13 18:15:52 SAST 2026.
Log can be found in /atlas/obs/03/61358/preflight.dat.
Setting donefile '/atlas/obs/03/61358/preflight_complete.20261113161552.7970' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261113161552.7970.
Fri Nov 13 18:15:52 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Nov 13 18:15:52 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [ebedfeed-7ee4-4d05-824f-21b3fdd39ef5;1800]
Fri Nov 13 18:15:52 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Nov 13 18:15:53 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Nov 13 18:15:53 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Fri Nov 13 18:15:53 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Nov 13 18:15:53 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1794586544
OK
Fri Nov 13 18:15:53 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Nov 13 18:15:53 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
Fri Nov 13 18:15:55 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
Fri Nov 13 18:15:56 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Fri Nov 13 18:15:56 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Fri Nov 13 16:15:56 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 51m 1024 374 1.022 0.114 0.193
*metbox2.sth.atl .PPS. 1 u 367 1024 377 0.282 0.175 0.175
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 548 1024 377 25.139 0.683 0.557
+ntp.as3741.net 210.182.58.253 2 u 691 1024 377 27.553 2.634 3.355
-ntp2.as3741.net 146.64.58.41 2 u 388 1024 377 7.280 0.625 0.454
+ntp2.inx.net.za 210.182.58.253 2 u 605 1024 377 7.227 0.361 0.394
+ntp2.nog.net.za 80.72.67.48 3 u 84 1024 377 7.570 0.241 0.286
+139.84.231.68 196.21.187.2 2 u 1000 1024 377 25.012 0.132 0.181
-ntp7.inx.net.za 196.21.187.2 2 u 805 1024 377 16.530 1.021 18.803
+tick.sanren.ac. .TC. 1 u 37 1024 377 25.260 0.367 1.158
Fri Nov 13 18:15:58 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6237GB)
200GB available in /atlas/red...OK (8539GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.3T 6.0T 42% /
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
Fri Nov 13 18:15:58 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
Fri Nov 13 18:15:59 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Fri Nov 13 18:15:59 SAST 2026 [elapsed=7 sec] SERVICES2
Fri Nov 13 18:15:59 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Nov 13 18:16:03 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= 912kB time=00:00:29.18 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
Fri Nov 13 18:18:38 SAST 2026 [elapsed=166 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: 316.15 -29.49, az/alt=324.74 +86.49 idle(e) IDLE
Fri Nov 13 18:19:29 SAST 2026 [elapsed=217 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Nov 13 18:19:49 SAST 2026 [elapsed=237 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.1 IDLE
Fri Nov 13 18:19:49 SAST 2026 [elapsed=237 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 (-54.0C)
Checking CCD plane: Z0=+1766.00 DZDX=-928.00 DZDY=+3707.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Nov 13 18:19:49 SAST 2026 [elapsed=237 sec] WEATHER
status weather: clear 19.5C 32% 21/27kph@193 DP15.2C/-63C/d IDLE
...OK
Fri Nov 13 18:19:49 SAST 2026 [elapsed=237 sec] MET
status...OK
met: c=N o=Y Ro38d Co2d Wo6d Ho5d To50d Do13d IDLE
Fri Nov 13 18:19:49 SAST 2026 [elapsed=237 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Nov 13 18:19:51 SAST 2026 [elapsed=239 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 345.07 -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 -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 7 0.1%
A 0.051s 109 1.2%
A 0.081s 393 4.3%
A 0.111s 734 8.0%
A 0.141s 1191 13.0%
A 0.171s 1785 19.5%
A 0.202s 2464 26.9%
A 0.232s 3260 35.6%
A 0.262s 4165 45.5%
A 0.292s 5115 55.9%
A 0.323s 5993 65.5%
A 0.353s 6779 74.1%
A 0.383s 7438 81.3%
A 0.413s 8000 87.4%
A 0.444s 8465 92.5%
A 0.474s 8790 96.0%
A 0.504s 9022 98.6%
A 0.534s 9150 100.0%
B 0.020s 1 0.0%
B 0.050s 90 1.0%
B 0.081s 375 4.1%
B 0.111s 713 7.8%
B 0.141s 1181 12.9%
B 0.171s 1756 19.2%
B 0.202s 2441 26.7%
B 0.232s 3232 35.3%
B 0.262s 4135 45.2%
B 0.292s 5072 55.4%
B 0.323s 5964 65.2%
B 0.353s 6754 73.8%
B 0.383s 7414 81.0%
B 0.413s 7993 87.3%
B 0.444s 8443 92.2%
B 0.474s 8785 96.0%
B 0.504s 9022 98.6%
B 0.534s 9140 99.8%
B 0.565s 9159 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9056 98.9%
A 0.081s 8760 95.7%
A 0.111s 8402 91.8%
A 0.141s 7951 86.9%
A 0.171s 7351 80.3%
A 0.202s 6692 73.1%
A 0.232s 5869 64.1%
A 0.262s 4983 54.4%
A 0.292s 4013 43.8%
A 0.323s 3139 34.3%
A 0.353s 2353 25.7%
A 0.383s 1689 18.5%
A 0.413s 1149 12.6%
A 0.444s 685 7.5%
A 0.474s 355 3.9%
A 0.504s 131 1.4%
A 0.534s 14 0.2%
A 0.565s -5 0.0%
B 0.020s 9144 99.9%
B 0.050s 9026 98.6%
B 0.081s 8761 95.7%
B 0.111s 8410 91.9%
B 0.141s 7939 86.7%
B 0.171s 7359 80.4%
B 0.202s 6669 72.9%
B 0.232s 5869 64.1%
B 0.262s 4955 54.1%
B 0.292s 4021 43.9%
B 0.323s 3137 34.3%
B 0.353s 2383 26.0%
B 0.383s 1693 18.5%
B 0.413s 1125 12.3%
B 0.444s 683 7.5%
B 0.474s 347 3.8%
B 0.504s 123 1.3%
B 0.534s 12 0.1%
B 0.565s -4 0.0%
A 0 0.0mm 15 N F R | B -3 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.534 seconds.
Shutter B opened to 100.0 percent in 0.565 seconds.
Shutter A closed to 0.0 percent in 0.565 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=1.03e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9250 IDLE
Fri Nov 13 18:20:31 SAST 2026 [elapsed=279 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.1 IDLE
taking preflight exposures:
acam...OK
acam image:
128M Nov 13 18:20 /atlas/obs/03a/61358/03a61358e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Nov 13 18:20:54 SAST 2026 [elapsed=302 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (74 seconds old)
OTA humidity level...OK (2%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Nov 13 18:20:54 SAST 2026 [elapsed=302 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61357.68118612|info|galildriver|using focus model: foc=9187+(4.30)*20.6+(-0.40)*60.2=9251.5
61357.68119079|info|galildriver|o 2 IN | cass: 3033325 15.17 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54009550 9251 um b=0f [cmd]
bestfocus for o...OK
Fri Nov 13 18:20:55 SAST 2026 [elapsed=303 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Nov 13 18:21:21 SAST 2026 [elapsed=329 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
Fri Nov 13 18:21:22 SAST 2026 [elapsed=330 sec] NOTICES: det_dzdx=-928 is outside range +-250 from -558; det_dzdy=3707 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Fri Nov 13 18:21:22 SAST 2026 [elapsed=330 sec] Happy observing!
Fri Nov 13 18:21:22 SAST 2026 [elapsed=330 sec] Preflight took 330 seconds to complete.
Fri Nov 13 18:21:22 SAST 2026 [elapsed=330 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 736 8.0% A 0.141s 1198 13.1% A 0.171s 1782 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.292s 5104 55.8% A 0.323s 5998 65.5% A 0.353s 6775 74.0% A 0.383s 7432 81.2% A 0.413s 8005 87.4% A 0.443s 8446 92.3% A 0.474s 8792 96.0% A 0.504s 9022 98.6% A 0.534s 9137 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 368 4.0% B 0.111s 715 7.8% B 0.141s 1185 12.9% B 0.171s 1773 19.4% B 0.202s 2466 26.9% B 0.232s 3269 35.7% B 0.262s 4169 45.5% B 0.292s 5074 55.4% B 0.323s 5959 65.1% B 0.353s 6749 73.7% B 0.383s 7421 81.1% B 0.413s 7986 87.2% B 0.444s 8443 92.2% B 0.474s 8785 96.0% B 0.504s 9018 98.5% B 0.535s 9137 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9055 98.9% A 0.081s 8788 96.0% A 0.111s 8433 92.1% A 0.141s 7974 87.1% A 0.171s 7401 80.8% A 0.202s 6716 73.4% A 0.232s 5923 64.7% A 0.262s 5014 54.8% A 0.292s 4067 44.4% A 0.322s 3193 34.9% A 0.353s 2410 26.3% A 0.383s 1731 18.9% A 0.413s 1163 12.7% A 0.443s 705 7.7% A 0.474s 368 4.0% A 0.504s 130 1.4% A 0.534s 15 0.2% A 0.565s 2 0.0% B 0.020s 9143 99.9% B 0.050s 9026 98.6% B 0.081s 8779 95.9% B 0.111s 8435 92.1% B 0.141s 7968 87.0% B 0.171s 7398 80.8% B 0.201s 6712 73.3% B 0.232s 5919 64.7% B 0.262s 5009 54.7% B 0.292s 4083 44.6% B 0.322s 3190 34.8% B 0.353s 2439 26.6% B 0.383s 1723 18.8% B 0.413s 1162 12.7% B 0.443s 712 7.8% B 0.473s 374 4.1% B 0.504s 144 1.6% B 0.534s 18 0.2% B 0.564s 0 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R