STH Recent Preflight: 61266
Executing preflight for 61266 at Thu Aug 13 17:10:25 SAST 2026.
Log can be found in /atlas/obs/03/61266/preflight.dat.
Setting donefile '/atlas/obs/03/61266/preflight_complete.20260813151025.21273' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260813151025.21273.
Thu Aug 13 17:10:25 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Aug 13 17:10:25 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [67b5a2a7-2318-4ed9-b71a-49e81526b681;1800]
Thu Aug 13 17:10:25 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 3 ON redLED
Thu Aug 13 17:10:26 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Aug 13 17:10:26 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Thu Aug 13 17:10:26 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Aug 13 17:10:26 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1786633818
OK
Thu Aug 13 17:10:26 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Aug 13 17:10:26 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 Aug 13 17:10:28 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 Aug 13 17:10:28 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Aug 13 17:10:28 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Thu Aug 13 15:10:28 UTC 2026
met: 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 880 1024 377 0.995 0.083 0.040
+metbox2.sth.atl .PPS. 1 u 288 1024 377 0.342 0.052 0.018
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 208.219.48.14 2 u 458 1024 377 23.276 0.717 0.629
-ntp.as3741.net 146.64.58.41 2 u 994 1024 377 22.901 0.034 1.171
-ntp2.as3741.net 129.134.28.123 2 u 1561 1024 376 7.187 -0.820 0.360
-ntp2.inx.net.za 183.3.52.101 2 u 499 1024 377 7.290 0.101 0.029
-ntp5.inx.net.za 183.3.52.101 2 u 992 1024 377 7.909 0.046 0.067
#102.222.156.151 196.21.187.2 2 u 432 1024 377 24.576 0.235 0.304
+ntp2.nog.net.za 80.72.67.48 3 u 584 1024 377 7.680 0.086 0.057
-139.84.231.68 ( 196.21.187.2 2 u 96 1024 377 22.941 -0.470 1.037
-ntp8.inx.net.za 210.182.58.253 2 u 561 1024 377 16.894 0.035 0.172
Thu Aug 13 17:10:30 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5712GB)
200GB available in /atlas/red...OK (8278GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.8T 5.5T 47% /
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 5.5T 7.9T 41% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.7T 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 737G 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
Thu Aug 13 17:10:30 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
Thu Aug 13 17:10:30 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Thu Aug 13 17:10:31 SAST 2026 [elapsed=6 sec] SERVICES2
Thu Aug 13 17:10:31 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Aug 13 17:10:35 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=1.43e+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 Aug 13 17:13:51 SAST 2026 [elapsed=206 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: 209.23 -29.49, az/alt=324.73 +86.49 idle(e) IDLE
Thu Aug 13 17:14:42 SAST 2026 [elapsed=257 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Aug 13 17:15:02 SAST 2026 [elapsed=277 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=41.7 IDLE
Thu Aug 13 17:15:02 SAST 2026 [elapsed=277 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (4 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.7C)
Checking CCD plane: Z0=+1705.00 DZDX=-888.00 DZDY=+2264.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Aug 13 17:15:02 SAST 2026 [elapsed=277 sec] WEATHER
status weather: C W 14.1C 54% 36/43kph@59 DP8.7C/-8C/d IDLE
...OK
Thu Aug 13 17:15:03 SAST 2026 [elapsed=278 sec] MET
status...OK
met: c=N o=Y Ro1d Co11h Wo2d Ho5h To56d Do21d IDLE
Thu Aug 13 17:15:03 SAST 2026 [elapsed=278 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Aug 13 17:15:05 SAST 2026 [elapsed=280 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 238.15 -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 8 0.1%
A 0.051s 108 1.2%
A 0.081s 391 4.3%
A 0.111s 733 8.0%
A 0.141s 1190 13.0%
A 0.172s 1782 19.5%
A 0.202s 2466 26.9%
A 0.232s 3261 35.6%
A 0.263s 4165 45.5%
A 0.293s 5115 55.9%
A 0.323s 5991 65.4%
A 0.353s 6780 74.1%
A 0.384s 7438 81.3%
A 0.414s 7999 87.4%
A 0.444s 8467 92.5%
A 0.474s 8792 96.0%
A 0.505s 9020 98.5%
A 0.535s 9153 100.0%
B 0.020s 0 0.0%
B 0.050s 91 1.0%
B 0.081s 373 4.1%
B 0.111s 714 7.8%
B 0.141s 1180 12.9%
B 0.171s 1758 19.2%
B 0.202s 2441 26.7%
B 0.232s 3230 35.3%
B 0.262s 4138 45.2%
B 0.293s 5074 55.4%
B 0.323s 5963 65.1%
B 0.353s 6751 73.7%
B 0.383s 7415 81.0%
B 0.414s 7993 87.3%
B 0.444s 8443 92.2%
B 0.474s 8788 96.0%
B 0.504s 9023 98.6%
B 0.535s 9142 99.9%
B 0.565s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9065 99.0%
A 0.081s 8772 95.8%
A 0.112s 8414 91.9%
A 0.142s 7969 87.1%
A 0.172s 7373 80.5%
A 0.203s 6691 73.1%
A 0.233s 5898 64.4%
A 0.263s 4982 54.4%
A 0.294s 4043 44.2%
A 0.324s 3166 34.6%
A 0.354s 2378 26.0%
A 0.384s 1709 18.7%
A 0.415s 1147 12.5%
A 0.445s 698 7.6%
A 0.475s 354 3.9%
A 0.506s 129 1.4%
A 0.536s 13 0.1%
A 0.566s -8 0.0%
B 0.020s 9144 99.9%
B 0.050s 9026 98.6%
B 0.081s 8762 95.7%
B 0.111s 8411 91.9%
B 0.141s 7940 86.7%
B 0.171s 7359 80.4%
B 0.202s 6670 72.9%
B 0.232s 5870 64.1%
B 0.262s 4954 54.1%
B 0.293s 4023 43.9%
B 0.323s 3136 34.3%
B 0.353s 2360 25.8%
B 0.383s 1694 18.5%
B 0.414s 1125 12.3%
B 0.444s 684 7.5%
B 0.474s 347 3.8%
B 0.504s 122 1.3%
B 0.535s 10 0.1%
B 0.565s -6 0.0%
A 1 0.0mm 15 N F R | B -5 -0.2mm 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 0.566 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=1.12e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9232 IDLE
Thu Aug 13 17:15:44 SAST 2026 [elapsed=319 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=41.7 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Aug 13 17:16 /atlas/obs/03a/61266/03a61266e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Aug 13 17:16:07 SAST 2026 [elapsed=342 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (78 seconds old)
OTA humidity level...OK (16%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Aug 13 17:16:07 SAST 2026 [elapsed=342 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61265.63619927|info|galildriver|using focus model: foc=9187+(4.30)*15.4+(-0.40)*60.2=9229.1
61265.63620428|info|galildriver|o 2 IN | cass: 3041565 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005912 9233 um b=8f M [focus]
61265.63621442|info|galildriver|o 2 IN | cass: 3041562 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005917 9233 um b=0f [cmd]
bestfocus for o...OK
Thu Aug 13 17:16:09 SAST 2026 [elapsed=344 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Aug 13 17:16:35 SAST 2026 [elapsed=370 sec] Disabling mount tracking.
Waiting on the mount ... done.
Turning tracking off ... done.
Waiting on the mount ... done.
Recheck mount status ... done.
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 3 OFF redLED
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 2 OFF whiteLED
Thu Aug 13 17:16:37 SAST 2026 [elapsed=372 sec] NOTICES: det_dzdx=-888 is outside range +-250 from -558; det_dzdy=2264 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 Aug 13 17:16:37 SAST 2026 [elapsed=372 sec] Happy observing!
Thu Aug 13 17:16:37 SAST 2026 [elapsed=372 sec] Preflight took 372 seconds to complete.
Thu Aug 13 17:16:37 SAST 2026 [elapsed=372 sec] STARTING CLEANUP
Turning off LEDs
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 3 OFF redLED
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
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 0.050s 108 1.2% A 0.081s 375 4.1% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.171s 1762 19.2% A 0.202s 2441 26.7% A 0.232s 3240 35.4% A 0.262s 4145 45.3% A 0.292s 5073 55.4% A 0.322s 5971 65.2% A 0.353s 6751 73.7% A 0.383s 7414 81.0% A 0.413s 7989 87.3% A 0.444s 8445 92.3% A 0.474s 8784 96.0% A 0.504s 9022 98.6% A 0.535s 9135 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 1185 12.9% B 0.171s 1753 19.2% B 0.202s 2441 26.7% B 0.232s 3241 35.4% B 0.262s 4138 45.2% B 0.292s 5074 55.4% B 0.323s 5960 65.1% B 0.353s 6747 73.7% B 0.383s 7421 81.1% B 0.413s 7986 87.2% B 0.443s 8443 92.2% B 0.474s 8786 96.0% B 0.504s 9012 98.4% 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 7957 86.9% A 0.172s 7381 80.6% A 0.202s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4981 54.4% A 0.293s 4038 44.1% A 0.323s 3167 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1147 12.5% A 0.444s 693 7.6% A 0.474s 357 3.9% A 0.504s 126 1.4% A 0.534s 14 0.2% A 0.564s 2 0.0% B 0.020s 9144 99.9% B 0.050s 9018 98.5% B 0.081s 8771 95.8% B 0.111s 8422 92.0% B 0.141s 7952 86.9% B 0.171s 7378 80.6% B 0.202s 6689 73.1% B 0.232s 5893 64.4% B 0.262s 4982 54.4% B 0.292s 4055 44.3% B 0.322s 3190 34.8% B 0.353s 2416 26.4% B 0.383s 1724 18.8% B 0.413s 1164 12.7% B 0.443s 713 7.8% B 0.474s 366 4.0% B 0.504s 138 1.5% B 0.534s 17 0.2% B 0.564s 0 0.0% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R