STH Recent Preflight: 61348
Executing preflight for 61348 at Tue Nov 3 18:06:46 SAST 2026.
Log can be found in /atlas/obs/03/61348/preflight.dat.
Setting donefile '/atlas/obs/03/61348/preflight_complete.20261103160646.23400' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261103160646.23400.
Tue Nov 3 18:06:46 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Nov 3 18:06:46 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [a03ce144-6916-4098-9c4b-c6bc13f85300;1800]
Tue Nov 3 18:06:46 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue Nov 3 18:06:47 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Nov 3 18:06:47 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Tue Nov 3 18:06:47 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Nov 3 18:06:47 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1793721998
OK
Tue Nov 3 18:06:47 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Nov 3 18:06:47 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 Nov 3 18:06:49 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 Nov 3 18:06:49 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Tue Nov 3 18:06:49 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Tue Nov 3 16:06:49 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 388 1024 377 1.024 0.069 0.129
+metbox2.sth.atl .PPS. 1 u 598 1024 377 0.319 0.043 0.161
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 553 1024 377 23.351 -0.152 0.597
-ntp.as3741.net 210.182.58.253 2 u 169 1024 377 22.928 -0.007 0.677
+ntp2.as3741.net 146.64.58.41 2 u 192 1024 377 7.260 0.185 0.165
+ntp2.inx.net.za 183.3.52.101 2 u 1048 1024 377 7.326 0.133 0.235
+ntp2.nog.net.za 80.72.67.48 3 u 479 1024 377 7.542 0.101 0.251
+139.84.231.68 ( 196.21.187.2 2 u 35 1024 377 23.008 0.048 2.003
-ntp7.inx.net.za 102.176.229.251 2 u 460 1024 377 16.525 0.413 12.258
+tick.sanren.ac. .TC. 1 u 600 1024 377 23.255 0.159 0.249
Tue Nov 3 18:07:07 SAST 2026 [elapsed=21 sec] DISKS
200GB available in /atlas/obs...OK (6540GB)
200GB available in /atlas/red...OK (9291GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.0T 6.3T 39% /
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 4.5T 8.9T 34% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.8T 12T 13% /
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
Tue Nov 3 18:07:07 SAST 2026 [elapsed=21 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 Nov 3 18:07:07 SAST 2026 [elapsed=21 sec] Disabling mount tracking.
Tue Nov 3 18:07:07 SAST 2026 [elapsed=21 sec] SERVICES2
Tue Nov 3 18:07:09 SAST 2026 [elapsed=23 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Nov 3 18:07:13 SAST 2026 [elapsed=27 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= 930kB time=00:00:29.76 bitrate= 256.0kbits/s speed=1.41e+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 Nov 3 18:10:29 SAST 2026 [elapsed=223 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: 304.26 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Tue Nov 3 18:11:20 SAST 2026 [elapsed=274 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Nov 3 18:11:40 SAST 2026 [elapsed=294 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=41.7 IDLE
Tue Nov 3 18:11:40 SAST 2026 [elapsed=294 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 (-53.9C)
Checking CCD plane: Z0=+1765.00 DZDX=-934.00 DZDY=+3659.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Nov 3 18:11:40 SAST 2026 [elapsed=294 sec] WEATHER
status weather: clear 20.2C 28% 15/26kph@284 DP17.5C/3C/d IDLE
...OK
Tue Nov 3 18:11:40 SAST 2026 [elapsed=294 sec] MET
status...OK
met: c=N o=Y Ro28d Co9h Wo11d Ho11h To40d Do3d IDLE
Tue Nov 3 18:11:40 SAST 2026 [elapsed=294 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Nov 3 18:11:42 SAST 2026 [elapsed=296 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 333.17 -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 393 4.3%
A 0.111s 734 8.0%
A 0.141s 1190 13.0%
A 0.172s 1805 19.7%
A 0.202s 2490 27.2%
A 0.232s 3287 35.9%
A 0.263s 4196 45.8%
A 0.293s 5113 55.9%
A 0.323s 6018 65.7%
A 0.354s 6803 74.3%
A 0.384s 7457 81.5%
A 0.414s 8018 87.6%
A 0.444s 8478 92.6%
A 0.475s 8799 96.1%
A 0.505s 9028 98.6%
A 0.535s 9153 100.0%
B 0.020s 1 0.0%
B 0.050s 97 1.1%
B 0.081s 386 4.2%
B 0.111s 727 7.9%
B 0.141s 1198 13.1%
B 0.171s 1778 19.4%
B 0.202s 2466 26.9%
B 0.232s 3258 35.6%
B 0.262s 4167 45.5%
B 0.292s 5102 55.7%
B 0.323s 5993 65.5%
B 0.353s 6776 74.0%
B 0.383s 7435 81.2%
B 0.413s 8010 87.5%
B 0.444s 8454 92.4%
B 0.474s 8796 96.1%
B 0.504s 9027 98.6%
B 0.534s 9143 99.9%
B 0.565s 9159 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9063 99.0%
A 0.081s 8772 95.8%
A 0.111s 8413 91.9%
A 0.141s 7967 87.0%
A 0.172s 7373 80.5%
A 0.202s 6693 73.1%
A 0.232s 5895 64.4%
A 0.263s 4982 54.4%
A 0.293s 4044 44.2%
A 0.323s 3165 34.6%
A 0.353s 2376 26.0%
A 0.384s 1711 18.7%
A 0.414s 1148 12.5%
A 0.444s 698 7.6%
A 0.474s 357 3.9%
A 0.505s 129 1.4%
A 0.535s 14 0.2%
A 0.565s -5 0.0%
B 0.020s 9146 99.9%
B 0.050s 9031 98.7%
B 0.081s 8762 95.7%
B 0.111s 8410 91.9%
B 0.141s 7956 86.9%
B 0.172s 7378 80.6%
B 0.202s 6694 73.1%
B 0.232s 5869 64.1%
B 0.262s 4983 54.4%
B 0.293s 4051 44.3%
B 0.323s 3165 34.6%
B 0.353s 2360 25.8%
B 0.384s 1694 18.5%
B 0.414s 1124 12.3%
B 0.444s 685 7.5%
B 0.474s 347 3.8%
B 0.505s 123 1.3%
B 0.535s 13 0.1%
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 0.535 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=1.12e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9190 IDLE
Tue Nov 3 18:12:20 SAST 2026 [elapsed=334 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:
128M Nov 3 18:12 /atlas/obs/03a/61348/03a61348e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Nov 3 18:12:42 SAST 2026 [elapsed=356 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (45 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Nov 3 18:12:42 SAST 2026 [elapsed=356 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61347.67549956|info|galildriver|using focus model: foc=9187+(4.30)*20.6+(-0.40)*60.2=9251.5
61347.67550492|info|galildriver|o 2 IN | cass: 3033660 15.17 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 53997457 9190 um b=8f M [focus]
61347.67551400|info|galildriver|o 2 IN | cass: 3033667 15.17 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 53997466 9190 um b=8f M [focus]
61347.67552564|info|galildriver|o 2 IN | cass: 3033664 15.17 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54003144 9219 um b=8f M [focus]
61347.67553728|info|galildriver|o 2 IN | cass: 3033667 15.17 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54009811 9252 um b=8f M [focus]
61347.67554300|info|galildriver|o 2 IN | cass: 3033667 15.17 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54010825 9257 um b=8f M [focus]
61347.67554837|info|galildriver|o 2 IN | cass: 3033664 15.17 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54010827 9257 um b=8f M [focus]
61347.67555455|info|galildriver|o 2 IN | cass: 3033664 15.17 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54010828 9257 um b=0f [cmd]
bestfocus for o...OK
Tue Nov 3 18:12:48 SAST 2026 [elapsed=362 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Nov 3 18:13:14 SAST 2026 [elapsed=388 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
Tue Nov 3 18:13:15 SAST 2026 [elapsed=389 sec] NOTICES: det_dzdx=-934 is outside range +-250 from -558; det_dzdy=3659 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 Nov 3 18:13:15 SAST 2026 [elapsed=389 sec] Happy observing!
Tue Nov 3 18:13:15 SAST 2026 [elapsed=389 sec] Preflight took 389 seconds to complete.
Tue Nov 3 18:13:15 SAST 2026 [elapsed=389 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 0.050s 109 1.2% A 0.081s 371 4.1% A 0.111s 723 7.9% A 0.141s 1180 12.9% A 0.172s 1760 19.2% A 0.202s 2444 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.292s 5074 55.4% A 0.323s 5968 65.2% A 0.353s 6752 73.8% A 0.383s 7413 81.0% A 0.413s 7988 87.3% A 0.444s 8446 92.3% A 0.474s 8782 95.9% A 0.504s 9022 98.6% A 0.534s 9138 99.8% A 0.565s 9155 100.0% B 0.020s 1 0.0% B 0.050s 121 1.3% B 0.081s 387 4.2% B 0.111s 742 8.1% B 0.141s 1219 13.3% B 0.172s 1794 19.6% B 0.202s 2490 27.2% B 0.232s 3295 36.0% B 0.262s 4200 45.9% B 0.292s 5134 56.1% B 0.323s 6017 65.7% B 0.353s 6794 74.2% B 0.383s 7458 81.5% B 0.413s 8019 87.6% B 0.444s 8469 92.5% B 0.474s 8805 96.2% B 0.504s 9029 98.6% B 0.534s 9138 99.8% B 0.565s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9049 98.9% A 0.081s 8778 95.9% A 0.111s 8422 92.0% A 0.141s 7957 86.9% A 0.171s 7381 80.6% A 0.202s 6691 73.1% A 0.232s 5894 64.4% A 0.262s 4983 54.4% A 0.292s 4038 44.1% A 0.323s 3167 34.6% A 0.353s 2387 26.1% A 0.383s 1710 18.7% A 0.413s 1146 12.5% A 0.444s 692 7.6% A 0.474s 358 3.9% A 0.504s 125 1.4% A 0.535s 14 0.2% A 0.565s 2 0.0% B 0.020s 9144 99.9% B 0.050s 9021 98.5% B 0.081s 8773 95.8% B 0.111s 8423 92.0% B 0.141s 7952 86.9% B 0.171s 7378 80.6% B 0.202s 6689 73.1% B 0.232s 5895 64.4% B 0.262s 4983 54.4% B 0.292s 4054 44.3% B 0.322s 3163 34.6% B 0.353s 2392 26.1% B 0.383s 1702 18.6% B 0.413s 1147 12.5% B 0.443s 698 7.6% B 0.473s 356 3.9% B 0.504s 137 1.5% B 0.534s 16 0.2% B 0.564s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R