STH Recent Preflight: 61350
Executing preflight for 61350 at Thu Nov 5 20:08:22 SAST 2026.
Log can be found in /atlas/obs/03/61350/preflight.dat.
Setting donefile '/atlas/obs/03/61350/preflight_complete.20261105180822.23651' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261105180822.23651.
Thu Nov 5 20:08:22 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Nov 5 20:08:22 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [fa09548e-fce4-409b-bd58-decd456644c1;1800]
Thu Nov 5 20:08:22 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu Nov 5 20:08:23 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Nov 5 20:08:23 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Thu Nov 5 20:08:23 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Nov 5 20:08:23 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1793902103
OK
Thu Nov 5 20:08:23 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Nov 5 20:08:23 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 Nov 5 20:08:25 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 Nov 5 20:08:25 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Nov 5 20:08:25 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Thu Nov 5 18:08:25 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 333 1024 371 0.990 0.144 0.152
-metbox2.sth.atl .PPS. 1 u 283 1024 377 0.313 0.084 0.059
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 463 1024 377 23.320 0.684 0.828
-ntp.as3741.net 146.64.58.41 2 u 678 1024 377 22.936 0.158 0.509
-ntp2.as3741.net 146.64.58.41 2 u 614 1024 377 7.234 0.148 0.094
-ntp2.inx.net.za 210.182.58.253 2 u 679 1024 377 7.320 0.268 0.135
+ntp2.nog.net.za 80.72.67.48 3 u 760 1024 377 7.552 0.136 0.052
+139.84.231.68 ( 196.21.187.2 2 u 546 1024 377 22.831 0.061 1.248
-ntp7.inx.net.za 183.3.52.101 2 u 506 1024 377 16.501 0.445 0.204
*tick.sanren.ac. .TC. 1 u 772 1024 377 23.139 0.084 0.026
Thu Nov 5 20:08:26 SAST 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (6382GB)
200GB available in /atlas/red...OK (9096GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.2T 6.1T 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 4.7T 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
Thu Nov 5 20:08:26 SAST 2026 [elapsed=4 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 Nov 5 20:08:26 SAST 2026 [elapsed=4 sec] Disabling mount tracking.
Thu Nov 5 20:08:27 SAST 2026 [elapsed=5 sec] SERVICES2
Thu Nov 5 20:08:27 SAST 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Nov 5 20:08:31 SAST 2026 [elapsed=9 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= 934kB time=00:00:29.88 bitrate= 256.0kbits/s speed=1.51e+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 Nov 5 20:11:33 SAST 2026 [elapsed=191 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: 336.58 -29.49, az/alt=324.83 +86.49 idle(e) IDLE
Thu Nov 5 20:12:24 SAST 2026 [elapsed=242 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Nov 5 20:12:43 SAST 2026 [elapsed=261 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=2/0 spi=5117.0 IDLE
Thu Nov 5 20:12:43 SAST 2026 [elapsed=261 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 (-54.4C)
Checking CCD plane: Z0=+1735.00 DZDX=-924.00 DZDY=+2978.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=2 IDLE
Thu Nov 5 20:12:43 SAST 2026 [elapsed=261 sec] WEATHER
status weather: W H 10.1C 80% 43/60kph@330 DP-1.0C/-167C/d IDLE
...OK
Thu Nov 5 20:12:43 SAST 2026 [elapsed=261 sec] MET
status...OK
met: c=N o=N Ro30d Co2d Wx0 Ho2d To42d Do5d wait W IDLE
Thu Nov 5 20:12:44 SAST 2026 [elapsed=262 sec] SENTRY
status...OK
sentry: close=NO open=NO drop=NO IDLE
Thu Nov 5 20:12:44 SAST 2026 [elapsed=262 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 5.49 -14.63, az/alt=59.90 +60.05 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 114 1.2%
A 0.081s 401 4.4%
A 0.111s 746 8.1%
A 0.142s 1206 13.2%
A 0.172s 1804 19.7%
A 0.202s 2491 27.2%
A 0.232s 3285 35.9%
A 0.263s 4195 45.8%
A 0.293s 5144 56.2%
A 0.324s 6019 65.8%
A 0.354s 6804 74.3%
A 0.384s 7457 81.5%
A 0.415s 8016 87.6%
A 0.445s 8480 92.6%
A 0.476s 8800 96.1%
A 0.506s 9028 98.6%
A 0.536s 9157 100.0%
B 0.020s 0 0.0%
B 0.051s 89 1.0%
B 0.081s 369 4.0%
B 0.111s 712 7.8%
B 0.142s 1197 13.1%
B 0.172s 1775 19.4%
B 0.202s 2464 26.9%
B 0.233s 3258 35.6%
B 0.263s 4167 45.5%
B 0.294s 5101 55.7%
B 0.324s 5993 65.5%
B 0.354s 6797 74.3%
B 0.385s 7456 81.5%
B 0.415s 8027 87.7%
B 0.446s 8466 92.5%
B 0.476s 8808 96.2%
B 0.506s 9036 98.7%
B 0.536s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9065 99.0%
A 0.081s 8774 95.8%
A 0.111s 8415 91.9%
A 0.142s 7968 87.0%
A 0.172s 7353 80.3%
A 0.202s 6671 72.9%
A 0.233s 5867 64.1%
A 0.263s 4952 54.1%
A 0.293s 4015 43.9%
A 0.324s 3138 34.3%
A 0.354s 2351 25.7%
A 0.384s 1689 18.5%
A 0.415s 1132 12.4%
A 0.445s 685 7.5%
A 0.475s 345 3.8%
A 0.506s 123 1.3%
A 0.536s 9 0.1%
B 0.020s 9146 99.9%
B 0.051s 9040 98.8%
B 0.081s 8784 96.0%
B 0.111s 8438 92.2%
B 0.142s 7975 87.1%
B 0.172s 7380 80.6%
B 0.202s 6717 73.4%
B 0.232s 5922 64.7%
B 0.263s 5015 54.8%
B 0.293s 4080 44.6%
B 0.323s 3192 34.9%
B 0.354s 2408 26.3%
B 0.384s 1732 18.9%
B 0.414s 1155 12.6%
B 0.445s 697 7.6%
B 0.475s 358 3.9%
B 0.506s 126 1.4%
B 0.536s 12 0.1%
B 0.566s -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 0.536 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.0 percent in 0.566 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... conversion FAILED! Bogus AAC file?
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9230 IDLE
Thu Nov 5 20:13:21 SAST 2026 [elapsed=299 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=2/0 spi=5117.0 IDLE
taking preflight exposures:
acam...OK
acam image:
124M Nov 5 20:13 /atlas/obs/03a/61350/03a61350e0003o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Nov 5 20:13:44 SAST 2026 [elapsed=322 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (4 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Nov 5 20:13:44 SAST 2026 [elapsed=322 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61349.75954173|info|galildriver|using focus model: foc=9187+(4.30)*15.6+(-0.40)*60.2=9230.0
61349.75954640|info|galildriver|o 2 IN | cass: 3037308 15.19 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54005493 9231 um b=0f [cmd]
bestfocus for o...OK
Thu Nov 5 20:13:45 SAST 2026 [elapsed=323 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Nov 5 20:14:11 SAST 2026 [elapsed=349 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
Thu Nov 5 20:14:12 SAST 2026 [elapsed=350 sec] NOTICES: det_dzdx=-924 is outside range +-250 from -558; det_dzdy=2978 is outside range +-250 from -1915;
Thu Nov 5 20:14:12 SAST 2026 [elapsed=350 sec] WARNINGS: DFM shutter audio conversion to WAV failed (bad AAC file?);
Preflight completed with warnings. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Thu Nov 5 20:14:12 SAST 2026 [elapsed=350 sec] Happy observing!
Thu Nov 5 20:14:12 SAST 2026 [elapsed=350 sec] Preflight took 350 seconds to complete.
Thu Nov 5 20:14:12 SAST 2026 [elapsed=350 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 115 1.3% A 0.081s 384 4.2% A 0.111s 737 8.1% A 0.141s 1197 13.1% A 0.172s 1781 19.5% A 0.202s 2465 26.9% A 0.232s 3238 35.4% A 0.262s 4173 45.6% A 0.292s 5075 55.4% A 0.323s 5968 65.2% A 0.353s 6753 73.8% A 0.383s 7413 81.0% A 0.413s 7985 87.2% A 0.443s 8448 92.3% A 0.474s 8784 96.0% A 0.504s 9020 98.5% A 0.534s 9138 99.8% A 0.564s 9154 100.0% B 0.020s 2 0.0% B 0.050s 124 1.4% B 0.081s 388 4.2% B 0.111s 744 8.1% B 0.141s 1220 13.3% B 0.171s 1795 19.6% B 0.202s 2491 27.2% B 0.232s 3297 36.0% B 0.262s 4200 45.9% B 0.292s 5136 56.1% B 0.323s 5989 65.4% B 0.353s 6794 74.2% B 0.383s 7440 81.3% B 0.413s 8003 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 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8422 92.0% A 0.141s 7957 86.9% A 0.171s 7381 80.6% A 0.201s 6691 73.1% A 0.232s 5895 64.4% A 0.262s 4983 54.4% A 0.292s 4037 44.1% A 0.322s 3168 34.6% A 0.353s 2410 26.3% A 0.383s 1732 18.9% A 0.413s 1145 12.5% A 0.443s 705 7.7% A 0.474s 368 4.0% A 0.504s 129 1.4% A 0.534s 15 0.2% A 0.565s 2 0.0% B 0.020s 9144 99.9% B 0.050s 9016 98.5% B 0.081s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.172s 7379 80.6% B 0.202s 6687 73.1% B 0.232s 5891 64.4% B 0.262s 4979 54.4% B 0.293s 4055 44.3% B 0.323s 3160 34.5% B 0.353s 2395 26.2% B 0.383s 1701 18.6% B 0.414s 1145 12.5% B 0.444s 699 7.6% B 0.474s 354 3.9% B 0.504s 133 1.5% B 0.535s 14 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R