STH Recent Preflight: 61357
Executing preflight for 61357 at Thu Nov 12 18:14:51 SAST 2026.
Log can be found in /atlas/obs/03/61357/preflight.dat.
Setting donefile '/atlas/obs/03/61357/preflight_complete.20261112161451.7970' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261112161451.7970.
Thu Nov 12 18:14:51 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Nov 12 18:14:51 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [bee54c7b-978b-4f8c-a1be-a89a7d38ba0d;1800]
Thu Nov 12 18:14:51 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu Nov 12 18:14:52 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Nov 12 18:14:52 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Thu Nov 12 18:14:52 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Nov 12 18:14:52 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1794500087
OK
Thu Nov 12 18:14:52 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Nov 12 18:14:52 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
Thu Nov 12 18:14:54 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
Thu Nov 12 18:14:55 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Thu Nov 12 18:14:55 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Thu Nov 12 16:14:55 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 68m 1024 10 0.975 0.210 0.251
*metbox2.sth.atl .PPS. 1 u 597 1024 377 0.356 0.178 0.040
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 534 1024 377 23.335 1.452 0.887
-ntp.as3741.net 210.182.58.253 2 u 720 1024 377 22.864 0.251 4.589
-ntp2.as3741.net 146.64.58.41 2 u 604 1024 377 7.256 0.259 0.155
-ntp2.inx.net.za 183.3.52.101 2 u 723 1024 377 7.225 0.304 0.040
+ntp2.nog.net.za 80.72.67.48 3 u 304 1024 377 7.517 0.326 0.287
-139.84.231.68 ( 196.21.187.2 2 u 853 1024 377 22.828 0.308 0.968
-ntp7.inx.net.za 102.176.229.251 2 u 976 1024 377 16.459 -0.120 0.641
+tick.sanren.ac. .TC. 1 u 791 1024 377 23.265 0.293 0.026
Thu Nov 12 18:14:58 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (6303GB)
200GB available in /atlas/red...OK (8628GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.2T 6.1T 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 5.2T 8.3T 39% /
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
Thu Nov 12 18:14:58 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
Thu Nov 12 18:14:58 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Thu Nov 12 18:14:58 SAST 2026 [elapsed=7 sec] SERVICES2
Thu Nov 12 18:14:58 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Nov 12 18:15:02 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=1.52e+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
Thu Nov 12 18:17:38 SAST 2026 [elapsed=167 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: 314.92 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Thu Nov 12 18:18:29 SAST 2026 [elapsed=218 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Nov 12 18:18:49 SAST 2026 [elapsed=238 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Thu Nov 12 18:18:49 SAST 2026 [elapsed=238 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (1 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.7C)
Checking CCD plane: Z0=+1780.00 DZDX=-931.00 DZDY=+4009.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Nov 12 18:18:49 SAST 2026 [elapsed=238 sec] WEATHER
status weather: clear 22.5C 19% 28/31kph@314 DP23.8C/-8C/d IDLE
...OK
Thu Nov 12 18:18:49 SAST 2026 [elapsed=238 sec] MET
status...OK
met: c=N o=Y Ro37d Co1d Wo5d Ho4d To49d Do12d IDLE
Thu Nov 12 18:18:49 SAST 2026 [elapsed=238 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Nov 12 18:18:51 SAST 2026 [elapsed=240 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 343.84 -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 -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 8 0.1%
A 0.051s 111 1.2%
A 0.081s 393 4.3%
A 0.111s 734 8.0%
A 0.142s 1191 13.0%
A 0.172s 1784 19.5%
A 0.202s 2465 26.9%
A 0.233s 3260 35.6%
A 0.263s 4165 45.5%
A 0.293s 5145 56.2%
A 0.324s 6019 65.8%
A 0.354s 6802 74.3%
A 0.384s 7459 81.5%
A 0.415s 8017 87.6%
A 0.445s 8478 92.6%
A 0.475s 8800 96.1%
A 0.506s 9027 98.6%
A 0.536s 9152 100.0%
B 0.020s 1 0.0%
B 0.050s 106 1.2%
B 0.081s 386 4.2%
B 0.111s 739 8.1%
B 0.141s 1199 13.1%
B 0.172s 1798 19.6%
B 0.202s 2466 26.9%
B 0.232s 3285 35.9%
B 0.262s 4167 45.5%
B 0.293s 5131 56.1%
B 0.323s 6021 65.8%
B 0.353s 6797 74.3%
B 0.384s 7435 81.2%
B 0.414s 8025 87.7%
B 0.444s 8466 92.5%
B 0.474s 8805 96.2%
B 0.505s 9027 98.6%
B 0.535s 9143 99.9%
B 0.565s 9159 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.050s 9055 98.9%
A 0.081s 8749 95.6%
A 0.111s 8401 91.8%
A 0.141s 7952 86.9%
A 0.172s 7351 80.3%
A 0.202s 6645 72.6%
A 0.232s 5869 64.1%
A 0.263s 4953 54.1%
A 0.293s 4013 43.8%
A 0.323s 3138 34.3%
A 0.353s 2353 25.7%
A 0.384s 1690 18.5%
A 0.414s 1131 12.4%
A 0.444s 687 7.5%
A 0.474s 346 3.8%
A 0.505s 124 1.4%
A 0.535s 12 0.1%
A 0.565s -5 0.0%
B 0.020s 9147 99.9%
B 0.050s 9036 98.7%
B 0.081s 8771 95.8%
B 0.111s 8435 92.1%
B 0.141s 7972 87.1%
B 0.171s 7399 80.8%
B 0.202s 6716 73.4%
B 0.232s 5923 64.7%
B 0.262s 5014 54.8%
B 0.292s 4079 44.6%
B 0.323s 3193 34.9%
B 0.353s 2407 26.3%
B 0.383s 1734 18.9%
B 0.413s 1159 12.7%
B 0.444s 709 7.7%
B 0.474s 366 4.0%
B 0.504s 134 1.5%
B 0.534s 16 0.2%
B 0.565s -4 0.0%
A 1 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 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=9262 IDLE
Thu Nov 12 18:19:28 SAST 2026 [elapsed=277 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
taking preflight exposures:
acam...OK
acam image:
128M Nov 12 18:19 /atlas/obs/03a/61357/03a61357e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Nov 12 18:19:51 SAST 2026 [elapsed=300 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (11 seconds old)
OTA humidity level...OK (2%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Nov 12 18:19:51 SAST 2026 [elapsed=300 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61356.68045613|info|galildriver|using focus model: foc=9187+(4.30)*22.3+(-0.40)*60.2=9258.8
61356.68046230|info|galildriver|o 2 IN | cass: 3032114 15.16 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54011880 9263 um b=8f M [focus]
61356.68047244|info|galildriver|o 2 IN | cass: 3032112 15.16 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54011886 9263 um b=0f [cmd]
bestfocus for o...OK
Thu Nov 12 18:19:53 SAST 2026 [elapsed=302 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Nov 12 18:20:19 SAST 2026 [elapsed=328 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
Thu Nov 12 18:20:20 SAST 2026 [elapsed=329 sec] NOTICES: det_dzdx=-931 is outside range +-250 from -558; det_dzdy=4009 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Thu Nov 12 18:20:20 SAST 2026 [elapsed=329 sec] Happy observing!
Thu Nov 12 18:20:20 SAST 2026 [elapsed=329 sec] Preflight took 329 seconds to complete.
Thu Nov 12 18:20:20 SAST 2026 [elapsed=329 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 373 4.1% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.171s 1760 19.2% A 0.202s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.292s 5075 55.4% A 0.323s 5969 65.2% A 0.353s 6753 73.8% A 0.383s 7413 81.0% A 0.413s 7986 87.2% A 0.444s 8447 92.3% A 0.474s 8784 96.0% A 0.504s 9021 98.5% A 0.534s 9137 99.8% A 0.565s 9154 100.0% B 0.020s 2 0.0% B 0.050s 120 1.3% B 0.081s 388 4.2% B 0.111s 741 8.1% B 0.141s 1218 13.3% B 0.171s 1794 19.6% B 0.201s 2490 27.2% B 0.232s 3295 36.0% B 0.262s 4200 45.9% B 0.292s 5134 56.1% B 0.323s 6015 65.7% B 0.353s 6794 74.2% B 0.383s 7460 81.5% B 0.413s 8017 87.6% B 0.443s 8458 92.4% B 0.474s 8805 96.2% B 0.504s 9024 98.6% B 0.534s 9141 99.9% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9041 98.8% A 0.081s 8769 95.8% A 0.111s 8409 91.9% A 0.141s 7941 86.7% A 0.172s 7360 80.4% A 0.202s 6667 72.8% A 0.232s 5867 64.1% A 0.262s 4953 54.1% A 0.293s 4006 43.8% A 0.323s 3140 34.3% A 0.353s 2364 25.8% A 0.383s 1691 18.5% A 0.414s 1130 12.3% A 0.444s 679 7.4% A 0.474s 349 3.8% A 0.504s 125 1.4% A 0.535s 13 0.1% A 0.565s 2 0.0% B 0.020s 9141 99.9% B 0.051s 9010 98.4% B 0.081s 8761 95.7% B 0.111s 8407 91.8% B 0.141s 7935 86.7% B 0.171s 7358 80.4% B 0.202s 6662 72.8% B 0.232s 5865 64.1% B 0.262s 4951 54.1% B 0.292s 4053 44.3% B 0.323s 3160 34.5% B 0.353s 2394 26.2% B 0.383s 1702 18.6% B 0.413s 1146 12.5% B 0.443s 698 7.6% B 0.474s 355 3.9% B 0.504s 131 1.4% B 0.534s 15 0.2% B 0.565s 2 0.0% A 0 0.0mm 15 N F R | B 2 0.1mm 15 N F R