STH Recent Preflight: 61234
Executing preflight for 61234 at Sun Jul 12 16:50:41 SAST 2026.
Log can be found in /atlas/obs/03/61234/preflight.dat.
Setting donefile '/atlas/obs/03/61234/preflight_complete.20260712145041.2231' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260712145041.2231.
Sun Jul 12 16:50:41 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Jul 12 16:50:41 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [ada16b34-3737-4a2a-9c3d-d42332530882;1800]
Sun Jul 12 16:50:41 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun Jul 12 16:50:42 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Jul 12 16:50:42 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sun Jul 12 16:50:42 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Jul 12 16:50:42 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1783867841
OK
Sun Jul 12 16:50:42 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Jul 12 16:50:42 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 Jul 12 16:50:43 SAST 2026 [elapsed=2 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 Jul 12 16:50:44 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Jul 12 16:50:44 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sun Jul 12 14:50:44 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 353 1024 377 1.025 0.119 0.740
+metbox2.sth.atl .PPS. 1 u 276 1024 377 0.316 0.083 0.021
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 913 1024 377 23.296 0.251 0.642
-ntp.as3741.net 210.182.58.253 2 u 823 1024 377 22.850 -0.016 0.057
-ntp2.as3741.net 155.232.19.7 2 u 352 1024 377 7.384 -0.025 0.045
-ntp2.inx.net.za 210.182.58.253 2 u 940 1024 377 7.311 0.132 0.491
-ntp5.inx.net.za 183.3.52.101 2 u 1009 1024 377 7.562 0.064 0.991
#102.222.156.151 196.21.187.2 2 u 774 1024 377 23.395 -0.572 0.499
-ntp2.nog.net.za 80.72.67.48 3 u 1003 1024 377 7.562 0.196 0.396
+139.84.231.68 ( 196.21.187.2 2 u 999 1024 377 22.772 0.068 0.103
-ntp8.inx.net.za 102.176.229.251 2 u 877 1024 377 16.961 0.959 18.176
Sun Jul 12 16:50:46 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5956GB)
200GB available in /atlas/red...OK (9069GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.6T 5.7T 45% /
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 40% /
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 1.7T 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 736G 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
Sun Jul 12 16:50:46 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 Jul 12 16:50:46 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Sun Jul 12 16:50:46 SAST 2026 [elapsed=5 sec] SERVICES2
Sun Jul 12 16:50:46 SAST 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Jul 12 16:50:50 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= 912kB time=00:00:29.18 bitrate= 256.0kbits/s speed=1.48e+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 Jul 12 16:54:08 SAST 2026 [elapsed=207 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: 172.74 -29.49, az/alt=324.74 +86.49 idle(e) IDLE
Sun Jul 12 16:54:57 SAST 2026 [elapsed=256 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Jul 12 16:55:16 SAST 2026 [elapsed=275 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=41.7 IDLE
Sun Jul 12 16:55:16 SAST 2026 [elapsed=275 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (6 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.8C)
Checking CCD plane: Z0=+1692.00 DZDX=-895.00 DZDY=+1995.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Jul 12 16:55:16 SAST 2026 [elapsed=275 sec] WEATHER
status weather: C 8.4C 72% 5/8kph@98 DP1.9C/-100C/d IDLE
...OK
Sun Jul 12 16:55:17 SAST 2026 [elapsed=276 sec] MET
status...OK
met: c=N o=Y Ro13d Co4h Wo13d Ho5h To24d Do19 IDLE
Sun Jul 12 16:55:17 SAST 2026 [elapsed=276 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Jul 12 16:55:17 SAST 2026 [elapsed=276 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 201.66 -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 7 0.1%
A 0.050s 108 1.2%
A 0.081s 391 4.3%
A 0.111s 733 8.0%
A 0.142s 1189 13.0%
A 0.172s 1781 19.5%
A 0.202s 2467 26.9%
A 0.233s 3287 35.9%
A 0.263s 4194 45.8%
A 0.293s 5145 56.2%
A 0.323s 6017 65.7%
A 0.354s 6803 74.3%
A 0.384s 7438 81.3%
A 0.414s 7999 87.4%
A 0.444s 8466 92.5%
A 0.475s 8793 96.1%
A 0.505s 9021 98.5%
A 0.535s 9153 100.0%
B 0.020s 1 0.0%
B 0.050s 98 1.1%
B 0.081s 383 4.2%
B 0.111s 726 7.9%
B 0.141s 1196 13.1%
B 0.172s 1777 19.4%
B 0.202s 2465 26.9%
B 0.232s 3257 35.6%
B 0.262s 4166 45.5%
B 0.293s 5101 55.7%
B 0.323s 5992 65.5%
B 0.353s 6773 74.0%
B 0.384s 7436 81.2%
B 0.414s 8010 87.5%
B 0.444s 8457 92.4%
B 0.474s 8799 96.1%
B 0.505s 9029 98.6%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.050s 9071 99.1%
A 0.081s 8785 96.0%
A 0.111s 8426 92.0%
A 0.141s 7984 87.2%
A 0.172s 7394 80.8%
A 0.202s 6716 73.4%
A 0.232s 5924 64.7%
A 0.262s 5013 54.8%
A 0.293s 4072 44.5%
A 0.323s 3193 34.9%
A 0.353s 2401 26.2%
A 0.383s 1727 18.9%
A 0.414s 1163 12.7%
A 0.444s 711 7.8%
A 0.474s 364 4.0%
A 0.505s 134 1.5%
A 0.535s 15 0.2%
A 0.565s -7 0.0%
B 0.020s 9145 99.9%
B 0.050s 9033 98.7%
B 0.081s 8773 95.8%
B 0.111s 8424 92.0%
B 0.141s 7975 87.1%
B 0.171s 7401 80.8%
B 0.202s 6717 73.4%
B 0.232s 5924 64.7%
B 0.262s 5015 54.8%
B 0.292s 4079 44.6%
B 0.323s 3191 34.9%
B 0.353s 2406 26.3%
B 0.383s 1733 18.9%
B 0.413s 1156 12.6%
B 0.444s 709 7.7%
B 0.474s 365 4.0%
B 0.504s 133 1.5%
B 0.535s 13 0.1%
B 0.565s -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 0.535 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 0.0 percent in 0.565 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.1e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9220 IDLE
Sun Jul 12 16:55:54 SAST 2026 [elapsed=313 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:
122M Jul 12 16:56 /atlas/obs/03a/61234/03a61234e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Jul 12 16:56:16 SAST 2026 [elapsed=335 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (57 seconds old)
OTA humidity level...OK (16%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Jul 12 16:56:16 SAST 2026 [elapsed=335 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61233.62242015|info|galildriver|using focus model: foc=9187+(4.30)*13.7+(-0.40)*60.2=9221.8
61233.62242481|info|galildriver|o 2 IN | cass: 3046401 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54003450 9220 um b=0f [cmd]
bestfocus for o...OK
Sun Jul 12 16:56:18 SAST 2026 [elapsed=337 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Jul 12 16:56:44 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.
doorpsw 3 OFF redLED
doorpsw 2 OFF whiteLED
Sun Jul 12 16:56:45 SAST 2026 [elapsed=364 sec] NOTICES: det_dzdx=-895 is outside range +-250 from -558; det_dzdy=1995 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 Jul 12 16:56:45 SAST 2026 [elapsed=364 sec] Happy observing!
Sun Jul 12 16:56:45 SAST 2026 [elapsed=364 sec] Preflight took 364 seconds to complete.
Sun Jul 12 16:56:45 SAST 2026 [elapsed=364 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 0.051s 115 1.3% A 0.081s 386 4.2% A 0.111s 736 8.0% A 0.141s 1196 13.1% A 0.172s 1784 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4175 45.6% A 0.293s 5103 55.7% A 0.323s 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.414s 8005 87.4% A 0.444s 8457 92.4% A 0.474s 8792 96.0% A 0.504s 9027 98.6% A 0.534s 9138 99.8% A 0.565s 9153 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 379 4.1% B 0.111s 727 7.9% B 0.141s 1202 13.1% B 0.171s 1772 19.4% B 0.201s 2466 26.9% B 0.232s 3270 35.7% B 0.262s 4138 45.2% B 0.292s 5071 55.4% B 0.322s 5961 65.1% B 0.352s 6749 73.7% B 0.383s 7421 81.1% B 0.413s 7985 87.2% B 0.443s 8442 92.2% B 0.473s 8786 96.0% B 0.504s 9017 98.5% B 0.534s 9136 99.8% B 0.564s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9056 98.9% A 0.081s 8787 96.0% A 0.111s 8434 92.1% A 0.141s 7975 87.1% A 0.171s 7401 80.8% A 0.201s 6715 73.4% A 0.232s 5922 64.7% A 0.262s 5013 54.8% A 0.292s 4068 44.4% A 0.322s 3192 34.9% A 0.353s 2411 26.3% A 0.383s 1731 18.9% A 0.413s 1180 12.9% A 0.443s 719 7.9% A 0.473s 377 4.1% A 0.504s 137 1.5% A 0.534s 17 0.2% A 0.564s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9018 98.5% B 0.081s 8772 95.8% B 0.111s 8422 92.0% B 0.141s 7953 86.9% B 0.171s 7378 80.6% B 0.202s 6690 73.1% B 0.232s 5892 64.4% B 0.262s 4979 54.4% B 0.292s 4055 44.3% B 0.322s 3163 34.6% B 0.353s 2392 26.1% B 0.383s 1702 18.6% B 0.413s 1148 12.5% B 0.443s 700 7.6% B 0.474s 356 3.9% B 0.504s 134 1.5% B 0.534s 14 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R