STH Recent Preflight: 61264
Executing preflight for 61264 at Tue Aug 11 17:09:13 SAST 2026.
Log can be found in /atlas/obs/03/61264/preflight.dat.
Setting donefile '/atlas/obs/03/61264/preflight_complete.20260811150913.21273' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260811150913.21273.
Tue Aug 11 17:09:13 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Aug 11 17:09:13 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [68e6619a-9d99-498d-94cf-5121b6438490;1800]
Tue Aug 11 17:09:13 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
Tue Aug 11 17:09:14 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Aug 11 17:09:14 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Tue Aug 11 17:09:14 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Aug 11 17:09:14 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1786460949
OK
Tue Aug 11 17:09:14 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Aug 11 17:09:14 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
Tue Aug 11 17:09:16 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
Tue Aug 11 17:09:16 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Tue Aug 11 17:09:16 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Tue Aug 11 15:09:16 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 965 1024 377 1.062 0.019 0.072
*metbox2.sth.atl .PPS. 1 u 414 1024 377 0.290 -0.020 0.056
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 183.3.52.101 2 u 376 1024 377 23.245 0.713 0.192
+ntp.as3741.net 146.64.58.41 2 u 88 1024 377 22.920 -0.064 0.239
-ntp2.as3741.net 129.134.28.123 2 u 991 1024 377 7.234 2.042 1.192
-ntp2.inx.net.za 210.182.58.253 2 u 1040 1024 377 7.296 0.046 0.076
-ntp5.inx.net.za 183.3.52.101 2 u 1011 1024 377 7.504 0.127 0.236
#102.222.156.151 196.21.187.2 2 u 433 1024 377 24.638 0.644 0.273
-ntp2.nog.net.za 80.72.67.48 3 u 1005 1024 377 7.449 0.075 0.086
-139.84.231.68 ( 196.21.187.2 2 u 967 1024 377 25.032 0.992 1.165
-ntp8.inx.net.za 210.182.58.253 2 u 16 1024 377 16.825 0.103 0.116
Tue Aug 11 17:09:18 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5744GB)
200GB available in /atlas/red...OK (8308GB)
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 8.0T 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
Tue Aug 11 17:09:18 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
Tue Aug 11 17:09:19 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Tue Aug 11 17:09:19 SAST 2026 [elapsed=6 sec] SERVICES2
Tue Aug 11 17:09:19 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Aug 11 17:09:23 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=1.5e+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
Tue Aug 11 17:12:36 SAST 2026 [elapsed=203 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: 206.95 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Tue Aug 11 17:13:27 SAST 2026 [elapsed=254 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Aug 11 17:13:46 SAST 2026 [elapsed=273 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Tue Aug 11 17:13:46 SAST 2026 [elapsed=273 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 (-55.6C)
Checking CCD plane: Z0=+1629.00 DZDX=-884.00 DZDY=+547.00
acam: -56C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Aug 11 17:13:46 SAST 2026 [elapsed=273 sec] WEATHER
status weather: C+ W H+ 3.1C 91% 33/40kph@147 DP1.0C/-9C/d IDLE
...OK
Tue Aug 11 17:13:47 SAST 2026 [elapsed=274 sec] MET
status...OK
met: c=Y o=N Ro4h Cx0 Wo9h Hx54 To54d Do19d wait CH IDLE
Tue Aug 11 17:13:48 SAST 2026 [elapsed=275 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Aug 11 17:13:48 SAST 2026 [elapsed=275 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 235.87 -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 10 0.1%
A 0.051s 112 1.2%
A 0.081s 398 4.3%
A 0.111s 745 8.1%
A 0.141s 1206 13.2%
A 0.172s 1801 19.7%
A 0.202s 2489 27.2%
A 0.232s 3287 35.9%
A 0.263s 4195 45.8%
A 0.293s 5143 56.2%
A 0.323s 6017 65.7%
A 0.354s 6804 74.3%
A 0.384s 7458 81.5%
A 0.414s 8018 87.6%
A 0.445s 8479 92.6%
A 0.475s 8804 96.2%
A 0.505s 9030 98.6%
A 0.535s 9155 100.0%
B 0.020s 2 0.0%
B 0.050s 105 1.1%
B 0.081s 388 4.2%
B 0.111s 739 8.1%
B 0.141s 1214 13.3%
B 0.172s 1795 19.6%
B 0.202s 2490 27.2%
B 0.232s 3284 35.9%
B 0.263s 4198 45.9%
B 0.293s 5133 56.1%
B 0.323s 6021 65.8%
B 0.353s 6797 74.3%
B 0.384s 7457 81.5%
B 0.414s 8029 87.7%
B 0.444s 8470 92.5%
B 0.474s 8808 96.2%
B 0.505s 9037 98.7%
B 0.535s 9149 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9067 99.0%
A 0.081s 8775 95.9%
A 0.111s 8416 91.9%
A 0.141s 7970 87.1%
A 0.172s 7376 80.6%
A 0.202s 6693 73.1%
A 0.232s 5895 64.4%
A 0.263s 4984 54.4%
A 0.293s 4043 44.2%
A 0.323s 3164 34.6%
A 0.353s 2379 26.0%
A 0.384s 1708 18.7%
A 0.414s 1144 12.5%
A 0.444s 698 7.6%
A 0.475s 354 3.9%
A 0.505s 128 1.4%
A 0.535s 11 0.1%
A 0.565s -8 0.0%
B 0.020s 9145 99.9%
B 0.050s 9029 98.6%
B 0.081s 8767 95.8%
B 0.111s 8414 91.9%
B 0.141s 7942 86.8%
B 0.172s 7361 80.4%
B 0.202s 6672 72.9%
B 0.232s 5870 64.1%
B 0.262s 4956 54.1%
B 0.293s 4021 43.9%
B 0.323s 3135 34.2%
B 0.353s 2360 25.8%
B 0.384s 1690 18.5%
B 0.414s 1124 12.3%
B 0.444s 682 7.5%
B 0.474s 345 3.8%
B 0.505s 120 1.3%
B 0.535s 8 0.1%
A 0 0.0mm 15 N F R | B -7 -0.2mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.535 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.0 percent in 0.565 seconds.
Shutter B closed to 0.1 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.13e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9195 IDLE
Tue Aug 11 17:14:25 SAST 2026 [elapsed=312 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:
123M Aug 11 17:14 /atlas/obs/03a/61264/03a61264e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Aug 11 17:14:47 SAST 2026 [elapsed=334 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (88 seconds old)
OTA humidity level...OK (18%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Aug 11 17:14:47 SAST 2026 [elapsed=334 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61263.63527873|info|galildriver|using focus model: foc=9187+(4.30)*8.4+(-0.40)*60.2=9199.0
61263.63528374|info|galildriver|o 2 IN | cass: 3046117 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53998586 9196 um b=8f M [focus]
61263.63529389|info|galildriver|o 2 IN | cass: 3046111 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53998967 9198 um b=0f [cmd]
bestfocus for o...OK
Tue Aug 11 17:14:50 SAST 2026 [elapsed=337 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Aug 11 17:15:16 SAST 2026 [elapsed=363 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
Tue Aug 11 17:15:17 SAST 2026 [elapsed=364 sec] NOTICES: det_dzdx=-884 is outside range +-250 from -558; det_dzdy=547 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Tue Aug 11 17:15:17 SAST 2026 [elapsed=364 sec] Happy observing!
Tue Aug 11 17:15:17 SAST 2026 [elapsed=364 sec] Preflight took 364 seconds to complete.
Tue Aug 11 17:15:17 SAST 2026 [elapsed=364 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 0.051s 117 1.3% A 0.081s 384 4.2% A 0.111s 735 8.0% A 0.142s 1197 13.1% A 0.172s 1782 19.5% A 0.203s 2465 26.9% A 0.234s 3295 36.0% A 0.264s 4205 45.9% A 0.295s 5162 56.4% A 0.325s 6053 66.1% A 0.356s 6820 74.5% A 0.386s 7473 81.6% A 0.416s 8040 87.8% A 0.447s 8494 92.8% A 0.477s 8821 96.4% A 0.508s 9043 98.8% A 0.539s 9143 99.9% A 0.569s 9154 100.0% B 0.020s 2 0.0% B 0.051s 120 1.3% B 0.081s 388 4.2% B 0.112s 741 8.1% B 0.142s 1220 13.3% B 0.172s 1795 19.6% B 0.203s 2490 27.2% B 0.233s 3295 36.0% B 0.264s 4200 45.9% B 0.294s 5162 56.4% B 0.325s 6043 66.0% B 0.355s 6816 74.5% B 0.386s 7499 81.9% B 0.416s 8035 87.8% B 0.446s 8480 92.6% B 0.477s 8814 96.3% B 0.507s 9039 98.7% B 0.537s 9144 99.9% B 0.568s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9048 98.8% A 0.081s 8778 95.9% A 0.112s 8407 91.8% A 0.142s 7941 86.7% A 0.173s 7361 80.4% A 0.203s 6667 72.8% A 0.234s 5867 64.1% A 0.264s 4920 53.7% A 0.295s 3979 43.5% A 0.325s 3113 34.0% A 0.356s 2340 25.6% A 0.386s 1651 18.0% A 0.417s 1097 12.0% A 0.447s 656 7.2% A 0.477s 331 3.6% A 0.508s 109 1.2% A 0.539s 10 0.1% A 0.569s 1 0.0% B 0.020s 9143 99.9% B 0.051s 9011 98.4% B 0.082s 8761 95.7% B 0.112s 8408 91.9% B 0.142s 7934 86.7% B 0.172s 7354 80.3% B 0.203s 6665 72.8% B 0.233s 5864 64.1% B 0.263s 4950 54.1% B 0.294s 4022 43.9% B 0.325s 3107 33.9% B 0.355s 2346 25.6% B 0.386s 1663 18.2% B 0.416s 1100 12.0% B 0.447s 662 7.2% B 0.477s 328 3.6% B 0.507s 116 1.3% B 0.538s 9 0.1% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R