STH Recent Preflight: 61353
Executing preflight for 61353 at Sun Nov 8 18:11:18 SAST 2026.
Log can be found in /atlas/obs/03/61353/preflight.dat.
Setting donefile '/atlas/obs/03/61353/preflight_complete.20261108161118.23791' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261108161118.23791.
Sun Nov 8 18:11:18 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Nov 8 18:11:18 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [99a64a25-4a8a-42cd-9988-b834d7ffbcdb;1800]
Sun Nov 8 18:11:18 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun Nov 8 18:11:19 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Nov 8 18:11:19 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sun Nov 8 18:11:19 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Nov 8 18:11:19 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1794154272
OK
Sun Nov 8 18:11:19 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Nov 8 18:11:19 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
Sun Nov 8 18:11:21 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
Sun Nov 8 18:11:21 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Nov 8 18:11:21 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sun Nov 8 16:11:21 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 888 1024 377 1.072 -0.044 0.065
-metbox2.sth.atl .PPS. 1 u 704 1024 377 0.310 -0.036 0.089
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 636 1024 377 23.340 -0.397 0.814
-ntp.as3741.net 210.182.58.253 2 u 792 1024 377 22.936 -0.208 0.415
-ntp2.as3741.net 146.64.58.41 2 u 657 1024 377 7.300 0.087 0.098
-ntp2.inx.net.za 183.3.52.101 2 u 575 1024 377 7.330 0.098 0.103
+ntp2.nog.net.za 80.72.67.48 3 u 478 1024 377 7.569 -0.024 0.036
-139.84.231.68 ( 196.21.187.2 2 u 365 1024 377 22.902 0.039 4.506
-ntp7.inx.net.za 102.176.229.251 2 u 557 1024 377 16.488 -0.111 0.072
+tick.sanren.ac. .TC. 1 u 827 1024 377 23.258 0.028 0.083
Sun Nov 8 18:11:23 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6417GB)
200GB available in /atlas/red...OK (9045GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.1T 6.2T 41% /
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 4.8T 8.7T 36% /
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
Sun Nov 8 18:11:23 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
Sun Nov 8 18:11:23 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Sun Nov 8 18:11:23 SAST 2026 [elapsed=5 sec] SERVICES2
Sun Nov 8 18:11:23 SAST 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Nov 8 18:11:28 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= 920kB time=00:00:29.44 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
Sun Nov 8 18:14:40 SAST 2026 [elapsed=202 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: 310.24 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Sun Nov 8 18:15:32 SAST 2026 [elapsed=254 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Nov 8 18:15:52 SAST 2026 [elapsed=274 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Sun Nov 8 18:15:52 SAST 2026 [elapsed=274 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 (-54.5C)
Checking CCD plane: Z0=+1728.00 DZDX=-929.00 DZDY=+2788.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Nov 8 18:15:52 SAST 2026 [elapsed=274 sec] WEATHER
status weather: C 16.2C 34% 15/19kph@177 DP15.2C/-28C/d IDLE
...OK
Sun Nov 8 18:15:53 SAST 2026 [elapsed=275 sec] MET
status...OK
met: c=N o=Y Ro33d Co9h Wo1d Ho8h To45d Do8d IDLE
Sun Nov 8 18:15:53 SAST 2026 [elapsed=275 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Nov 8 18:15:55 SAST 2026 [elapsed=277 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 339.15 -14.63, 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 7 0.1%
A 0.051s 116 1.3%
A 0.081s 402 4.4%
A 0.111s 746 8.1%
A 0.142s 1207 13.2%
A 0.172s 1804 19.7%
A 0.202s 2491 27.2%
A 0.232s 3286 35.9%
A 0.263s 4194 45.8%
A 0.293s 5146 56.2%
A 0.323s 6018 65.7%
A 0.354s 6804 74.3%
A 0.384s 7458 81.5%
A 0.414s 8015 87.6%
A 0.444s 8480 92.6%
A 0.475s 8800 96.1%
A 0.505s 9025 98.6%
A 0.535s 9155 100.0%
B 0.020s 1 0.0%
B 0.050s 97 1.1%
B 0.081s 384 4.2%
B 0.111s 727 7.9%
B 0.141s 1197 13.1%
B 0.171s 1776 19.4%
B 0.202s 2466 26.9%
B 0.232s 3258 35.6%
B 0.262s 4168 45.5%
B 0.293s 5101 55.7%
B 0.323s 5993 65.5%
B 0.353s 6775 74.0%
B 0.383s 7436 81.2%
B 0.414s 8011 87.5%
B 0.444s 8453 92.3%
B 0.474s 8798 96.1%
B 0.505s 9044 98.8%
B 0.535s 9144 99.9%
B 0.565s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9058 99.0%
A 0.081s 8761 95.7%
A 0.111s 8401 91.8%
A 0.141s 7951 86.9%
A 0.172s 7374 80.6%
A 0.202s 6670 72.9%
A 0.232s 5867 64.1%
A 0.263s 4953 54.1%
A 0.293s 4015 43.9%
A 0.323s 3138 34.3%
A 0.354s 2352 25.7%
A 0.384s 1689 18.5%
A 0.414s 1131 12.4%
A 0.444s 685 7.5%
A 0.475s 347 3.8%
A 0.505s 123 1.3%
A 0.535s 11 0.1%
A 0.565s -5 0.0%
B 0.020s 9146 99.9%
B 0.050s 9037 98.7%
B 0.081s 8781 95.9%
B 0.111s 8436 92.2%
B 0.141s 7974 87.1%
B 0.172s 7399 80.8%
B 0.202s 6718 73.4%
B 0.232s 5924 64.7%
B 0.263s 5014 54.8%
B 0.293s 4080 44.6%
B 0.323s 3192 34.9%
B 0.353s 2407 26.3%
B 0.384s 1733 18.9%
B 0.414s 1156 12.6%
B 0.444s 711 7.8%
B 0.475s 365 4.0%
B 0.505s 134 1.5%
B 0.535s 14 0.2%
B 0.566s -6 0.0%
A 0 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 0.565 seconds.
Shutter B closed to 0.0 percent in 0.566 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.11e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9275 IDLE
Sun Nov 8 18:16:39 SAST 2026 [elapsed=321 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
129M Nov 8 18:16 /atlas/obs/03a/61353/03a61353e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Nov 8 18:17:01 SAST 2026 [elapsed=343 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (22 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Nov 8 18:17:01 SAST 2026 [elapsed=343 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61352.67850485|info|galildriver|using focus model: foc=9187+(4.30)*17.2+(-0.40)*60.2=9236.9
61352.67852158|info|galildriver|o 2 IN | cass: 3035602 15.18 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54014409 9275 um b=8f M [focus]
61352.67853658|info|galildriver|o 2 IN | cass: 3035606 15.18 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54014406 9275 um b=8f M [focus]
61352.67854745|info|galildriver|o 2 IN | cass: 3035606 15.18 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54014381 9275 um b=8f M [focus]
61352.67856917|info|galildriver|o 2 IN | cass: 3035608 15.18 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54014083 9274 um b=0f [cmd]
bestfocus for o...OK
Sun Nov 8 18:17:09 SAST 2026 [elapsed=351 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Nov 8 18:17:35 SAST 2026 [elapsed=377 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
Sun Nov 8 18:17:36 SAST 2026 [elapsed=378 sec] NOTICES: det_dzdx=-929 is outside range +-250 from -558; det_dzdy=2788 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sun Nov 8 18:17:36 SAST 2026 [elapsed=378 sec] Happy observing!
Sun Nov 8 18:17:36 SAST 2026 [elapsed=378 sec] Preflight took 378 seconds to complete.
Sun Nov 8 18:17:36 SAST 2026 [elapsed=378 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 4 0.0% A 0.050s 113 1.2% A 0.081s 383 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.202s 2466 26.9% A 0.232s 3267 35.7% A 0.262s 4173 45.6% A 0.292s 5104 55.8% A 0.322s 5998 65.5% A 0.353s 6774 74.0% A 0.383s 7434 81.2% A 0.413s 8004 87.4% A 0.443s 8458 92.4% A 0.474s 8782 95.9% A 0.504s 9022 98.6% A 0.534s 9137 99.8% A 0.564s 9154 100.0% B 0.020s 2 0.0% B 0.050s 110 1.2% B 0.081s 368 4.0% B 0.111s 714 7.8% B 0.141s 1186 13.0% B 0.171s 1753 19.2% B 0.202s 2444 26.7% B 0.232s 3241 35.4% B 0.262s 4167 45.5% B 0.293s 5102 55.7% B 0.323s 5960 65.1% B 0.353s 6750 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.444s 8442 92.2% B 0.474s 8785 96.0% B 0.504s 9017 98.5% B 0.534s 9137 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9043 98.8% A 0.081s 8769 95.8% A 0.111s 8408 91.9% A 0.141s 7942 86.8% A 0.171s 7360 80.4% A 0.202s 6667 72.8% A 0.232s 5866 64.1% A 0.262s 4951 54.1% A 0.292s 4008 43.8% A 0.323s 3140 34.3% A 0.353s 2364 25.8% A 0.383s 1711 18.7% A 0.413s 1130 12.3% A 0.444s 680 7.4% A 0.474s 349 3.8% A 0.504s 125 1.4% A 0.534s 13 0.1% A 0.565s 2 0.0% B 0.020s 9145 99.9% B 0.050s 9024 98.6% B 0.081s 8780 95.9% B 0.111s 8434 92.1% B 0.141s 7968 87.0% B 0.171s 7397 80.8% B 0.202s 6714 73.3% B 0.232s 5918 64.6% B 0.262s 5009 54.7% B 0.292s 4081 44.6% B 0.323s 3192 34.9% B 0.353s 2414 26.4% B 0.383s 1722 18.8% B 0.413s 1163 12.7% B 0.444s 712 7.8% B 0.474s 365 4.0% B 0.504s 138 1.5% B 0.535s 17 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R