STH Recent Preflight: 61263
Executing preflight for 61263 at Mon Aug 10 17:08:35 SAST 2026.
Log can be found in /atlas/obs/03/61263/preflight.dat.
Setting donefile '/atlas/obs/03/61263/preflight_complete.20260810150835.21273' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260810150835.21273.
Mon Aug 10 17:08:35 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Aug 10 17:08:35 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [0ad237f2-72e2-4ff5-9d09-81c106f21760;1800]
Mon Aug 10 17:08:35 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
Mon Aug 10 17:08:36 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Aug 10 17:08:36 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Mon Aug 10 17:08:36 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Aug 10 17:08:36 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1786374515
OK
Mon Aug 10 17:08:36 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Aug 10 17:08:36 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
Mon Aug 10 17:08:38 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
Mon Aug 10 17:08:38 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Aug 10 17:08:38 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Mon Aug 10 15:08:38 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 23 1024 177 1.077 -0.038 0.098
*metbox2.sth.atl .PPS. 1 u 587 1024 377 0.277 -0.135 0.029
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 210.182.58.253 2 u 977 1024 377 23.320 0.063 0.168
-ntp.as3741.net 146.64.58.41 2 u 80 1024 377 22.864 -0.123 0.190
-ntp2.as3741.net 129.134.28.123 2 u 183 1024 377 7.153 -0.040 0.083
-ntp2.inx.net.za 210.182.58.253 2 u 628 1024 377 7.310 -0.010 0.072
-ntp5.inx.net.za 210.182.58.253 2 u 88 1024 377 7.846 -0.048 0.103
#102.222.156.151 196.21.187.2 2 u 492 1024 337 24.531 0.498 0.141
-ntp2.nog.net.za 80.72.67.48 3 u 212 1024 377 7.486 0.017 0.095
-139.84.231.68 ( 196.21.187.2 2 u 193 1024 377 22.778 0.034 1.092
-ntp8.inx.net.za 183.3.52.101 2 u 39 1024 377 16.898 0.017 0.188
Mon Aug 10 17:08:42 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (5740GB)
200GB available in /atlas/red...OK (8248GB)
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 42% /
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
Mon Aug 10 17:08:42 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
Mon Aug 10 17:08:42 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Mon Aug 10 17:08:42 SAST 2026 [elapsed=7 sec] SERVICES2
Mon Aug 10 17:08:42 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Aug 10 17:08:46 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= 926kB time=00:00:29.63 bitrate= 256.0kbits/s speed=1.45e+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
Mon Aug 10 17:12:04 SAST 2026 [elapsed=209 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: 205.83 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Mon Aug 10 17:12:55 SAST 2026 [elapsed=260 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Aug 10 17:13:14 SAST 2026 [elapsed=279 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Mon Aug 10 17:13:14 SAST 2026 [elapsed=279 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (8 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-55.6C)
Checking CCD plane: Z0=+1632.00 DZDX=-889.00 DZDY=+639.00
acam: -56C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Aug 10 17:13:14 SAST 2026 [elapsed=279 sec] WEATHER
status weather: W H 2.3C 84% 30/47kph@182 DP1.1C/-47C/d IDLE
...OK
Mon Aug 10 17:13:15 SAST 2026 [elapsed=280 sec] MET
status...OK
met: c=N o=N Ro22h Cs2 Wo7h Ho3h To53d Do18d wait C IDLE
Mon Aug 10 17:13:15 SAST 2026 [elapsed=280 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Aug 10 17:13:15 SAST 2026 [elapsed=280 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 234.75 -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 9 0.1%
A 0.051s 106 1.2%
A 0.081s 386 4.2%
A 0.111s 731 8.0%
A 0.142s 1190 13.0%
A 0.172s 1799 19.7%
A 0.202s 2490 27.2%
A 0.232s 3287 35.9%
A 0.263s 4195 45.8%
A 0.293s 5144 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 8478 92.6%
A 0.475s 8804 96.2%
A 0.505s 9030 98.6%
A 0.536s 9154 100.0%
B 0.020s 1 0.0%
B 0.051s 102 1.1%
B 0.081s 387 4.2%
B 0.111s 738 8.1%
B 0.141s 1212 13.2%
B 0.172s 1794 19.6%
B 0.202s 2490 27.2%
B 0.232s 3284 35.9%
B 0.263s 4197 45.8%
B 0.293s 5132 56.1%
B 0.323s 6021 65.8%
B 0.353s 6797 74.3%
B 0.384s 7455 81.4%
B 0.414s 8028 87.7%
B 0.444s 8469 92.5%
B 0.475s 8807 96.2%
B 0.505s 9038 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 8415 91.9%
A 0.141s 7970 87.1%
A 0.172s 7376 80.6%
A 0.202s 6693 73.1%
A 0.232s 5896 64.4%
A 0.262s 4983 54.4%
A 0.293s 4044 44.2%
A 0.323s 3163 34.6%
A 0.353s 2379 26.0%
A 0.383s 1709 18.7%
A 0.414s 1144 12.5%
A 0.444s 697 7.6%
A 0.474s 354 3.9%
A 0.505s 127 1.4%
A 0.535s 12 0.1%
A 0.565s -8 0.0%
B 0.020s 9145 99.9%
B 0.050s 9036 98.7%
B 0.081s 8777 95.9%
B 0.111s 8427 92.1%
B 0.141s 7942 86.8%
B 0.172s 7360 80.4%
B 0.202s 6694 73.1%
B 0.232s 5896 64.4%
B 0.262s 4986 54.5%
B 0.293s 4051 44.3%
B 0.323s 3162 34.5%
B 0.353s 2384 26.0%
B 0.384s 1710 18.7%
B 0.414s 1139 12.4%
B 0.444s 695 7.6%
B 0.474s 355 3.9%
B 0.505s 125 1.4%
B 0.535s 11 0.1%
B 0.565s -7 0.0%
A 0 0.0mm 15 N F R | B -6 -0.2mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.536 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 0.0 percent in 0.565 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.15e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9189 IDLE
Mon Aug 10 17:13:52 SAST 2026 [elapsed=317 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:
124M Aug 10 17:14 /atlas/obs/03a/61263/03a61263e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Aug 10 17:14:15 SAST 2026 [elapsed=340 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (56 seconds old)
OTA humidity level...OK (18%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Aug 10 17:14:15 SAST 2026 [elapsed=340 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61262.63490381|info|galildriver|using focus model: foc=9187+(4.30)*8.3+(-0.40)*60.2=9198.6
61262.63490917|info|galildriver|o 2 IN | cass: 3046226 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53997171 9189 um b=8f M [focus]
61262.63491744|info|galildriver|o 2 IN | cass: 3046218 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53997450 9190 um b=8f M [focus]
61262.63492082|info|galildriver|o 2 IN | cass: 3046222 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53997668 9191 um b=8f M [focus]
61262.63492898|info|galildriver|o 2 IN | cass: 3046216 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53997908 9193 um b=0f [cmd]
bestfocus for o...OK
Mon Aug 10 17:14:18 SAST 2026 [elapsed=343 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Aug 10 17:14:44 SAST 2026 [elapsed=369 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
Mon Aug 10 17:14:45 SAST 2026 [elapsed=370 sec] NOTICES: det_dzdx=-889 is outside range +-250 from -558; det_dzdy=639 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Mon Aug 10 17:14:45 SAST 2026 [elapsed=370 sec] Happy observing!
Mon Aug 10 17:14:45 SAST 2026 [elapsed=370 sec] Preflight took 370 seconds to complete.
Mon Aug 10 17:14:45 SAST 2026 [elapsed=370 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 108 1.2% A 0.081s 376 4.1% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.172s 1763 19.3% A 0.202s 2443 26.7% A 0.232s 3238 35.4% A 0.262s 4144 45.3% A 0.292s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7413 81.0% A 0.413s 7990 87.3% A 0.443s 8443 92.2% A 0.474s 8783 95.9% A 0.504s 9021 98.5% A 0.534s 9135 99.8% A 0.564s 9152 100.0% B 0.020s 1 0.0% B 0.050s 123 1.3% B 0.081s 391 4.3% B 0.111s 744 8.1% B 0.141s 1220 13.3% B 0.171s 1796 19.6% B 0.201s 2491 27.2% B 0.232s 3295 36.0% B 0.262s 4169 45.5% B 0.292s 5104 55.8% B 0.322s 5990 65.4% B 0.353s 6772 74.0% B 0.383s 7439 81.3% B 0.413s 8002 87.4% B 0.443s 8456 92.4% B 0.474s 8796 96.1% B 0.504s 9024 98.6% B 0.534s 9139 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 7379 80.6% A 0.201s 6691 73.1% A 0.232s 5894 64.4% A 0.262s 4982 54.4% A 0.292s 4039 44.1% A 0.322s 3193 34.9% A 0.352s 2410 26.3% A 0.382s 1731 18.9% A 0.413s 1164 12.7% A 0.443s 706 7.7% A 0.473s 367 4.0% A 0.503s 131 1.4% A 0.534s 15 0.2% A 0.564s 2 0.0% B 0.020s 9145 99.9% B 0.050s 9025 98.6% B 0.081s 8771 95.8% B 0.111s 8434 92.1% B 0.141s 7969 87.1% B 0.171s 7398 80.8% B 0.201s 6713 73.3% B 0.232s 5921 64.7% B 0.262s 5012 54.8% B 0.292s 4082 44.6% B 0.322s 3189 34.8% B 0.353s 2417 26.4% B 0.383s 1726 18.9% B 0.413s 1163 12.7% B 0.443s 713 7.8% B 0.473s 366 4.0% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R