STH Recent Preflight: 61192
Executing preflight for 61192 at Sun May 31 16:42:19 SAST 2026.
Log can be found in /atlas/obs/03/61192/preflight.dat.
Setting donefile '/atlas/obs/03/61192/preflight_complete.20260531144219.11042' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260531144219.11042.
Sun May 31 16:42:19 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun May 31 16:42:19 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [85fc3460-d466-4d8a-9df3-0e41b33da4d9;1800]
Sun May 31 16:42:19 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun May 31 16:42:21 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun May 31 16:42:21 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Sun May 31 16:42:21 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Sun May 31 16:42:21 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1780238538
OK
Sun May 31 16:42:21 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Sun May 31 16:42:21 SAST 2026 [elapsed=2 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 May 31 16:42:22 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 May 31 16:42:23 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Sun May 31 16:42:23 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Sun May 31 14:42:23 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 407 1024 377 1.091 0.230 0.409
*metbox2.sth.atl .PPS. 1 u 419 1024 377 0.289 0.178 2.253
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 155.232.19.7 2 u 5 1024 377 24.379 -0.305 0.354
+ntp.as3741.net 210.182.58.253 2 u 229 1024 377 22.849 0.146 0.341
+ntp2.as3741.net 129.134.26.123 2 u 126 1024 377 7.347 0.349 0.481
+ntp2.inx.net.za 196.21.187.2 2 u 353 1024 377 7.275 0.233 0.389
102.222.100.153 196.21.187.2 2 u 32d 1024 0 7.937 0.836 0.000
+ntp5.inx.net.za 196.21.187.2 2 u 947 1024 377 7.678 -0.031 0.325
+flipping.cloudh 181.248.48.166 2 u 242 1024 377 7.904 0.036 0.288
102.216.37.99 ( 210.182.58.253 2 u 118d 1024 0 73.586 -0.040 0.000
+139.84.231.151 196.21.187.2 2 u 230 1024 377 22.733 0.154 1.054
Sun May 31 16:42:24 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6115GB)
200GB available in /atlas/red...OK (9064GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.4T 5.9T 43% /
admin:/dev/loop2 106M 106M 0 100% /snap/core/17284
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/sda2 117G 21G 91G 19% /
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/loop0 106M 106M 0 100% /snap/core/17292
tcs:/dev/mapper/ubuntu--vg-ubuntu--lv 98G 37G 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/loop1 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 739G 13T 6% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17292
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 May 31 16:42:24 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 May 31 16:42:24 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Sun May 31 16:42:24 SAST 2026 [elapsed=5 sec] SERVICES2
Sun May 31 16:42:24 SAST 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun May 31 16:42:28 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= 924kB time=00:00:29.56 bitrate= 256.0kbits/s speed=1.5e+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 May 31 16:45:05 SAST 2026 [elapsed=166 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: 129.11 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Sun May 31 16:46:03 SAST 2026 [elapsed=224 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun May 31 16:46:25 SAST 2026 [elapsed=246 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=46.2 IDLE
Sun May 31 16:46:25 SAST 2026 [elapsed=246 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 (-54.6C)
Checking CCD plane: Z0=+1733.00 DZDX=-888.00 DZDY=+2902.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun May 31 16:46:25 SAST 2026 [elapsed=246 sec] WEATHER
status weather: clear 16.7C 46% 15/26kph@16 DP11.7C/12C/d IDLE
...OK
Sun May 31 16:46:25 SAST 2026 [elapsed=246 sec] MET
status...OK
met: c=N o=Y Ro10d Co17h Wo10d Ho1d To10d Do1d IDLE
Sun May 31 16:46:25 SAST 2026 [elapsed=246 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun May 31 16:46:27 SAST 2026 [elapsed=248 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 158.03 -14.63, az/alt=59.90 +60.06 tracking(w) IDLE 0s
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 -1 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 115 1.3%
A 0.081s 404 4.4%
A 0.111s 745 8.1%
A 0.142s 1208 13.2%
A 0.172s 1804 19.7%
A 0.202s 2489 27.2%
A 0.233s 3287 35.9%
A 0.263s 4195 45.8%
A 0.293s 5142 56.2%
A 0.324s 6018 65.7%
A 0.354s 6804 74.3%
A 0.384s 7457 81.5%
A 0.415s 8016 87.6%
A 0.445s 8479 92.6%
A 0.475s 8799 96.1%
A 0.505s 9027 98.6%
A 0.536s 9155 100.0%
B 0.020s 1 0.0%
B 0.050s 103 1.1%
B 0.081s 396 4.3%
B 0.111s 739 8.1%
B 0.141s 1215 13.3%
B 0.172s 1797 19.6%
B 0.202s 2488 27.2%
B 0.232s 3284 35.9%
B 0.262s 4197 45.8%
B 0.293s 5132 56.1%
B 0.323s 6020 65.8%
B 0.353s 6797 74.3%
B 0.384s 7455 81.4%
B 0.414s 8027 87.7%
B 0.444s 8466 92.5%
B 0.474s 8806 96.2%
B 0.505s 9034 98.7%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9063 99.0%
A 0.081s 8772 95.8%
A 0.111s 8415 91.9%
A 0.141s 7968 87.0%
A 0.172s 7374 80.6%
A 0.202s 6692 73.1%
A 0.232s 5896 64.4%
A 0.263s 4984 54.4%
A 0.293s 4047 44.2%
A 0.323s 3162 34.5%
A 0.354s 2354 25.7%
A 0.384s 1709 18.7%
A 0.414s 1147 12.5%
A 0.444s 700 7.6%
A 0.475s 354 3.9%
A 0.505s 129 1.4%
A 0.535s 13 0.1%
A 0.565s -6 0.0%
B 0.020s 9145 99.9%
B 0.050s 9029 98.6%
B 0.081s 8762 95.7%
B 0.111s 8411 91.9%
B 0.141s 7940 86.7%
B 0.172s 7358 80.4%
B 0.202s 6671 72.9%
B 0.232s 5870 64.1%
B 0.262s 4955 54.1%
B 0.293s 4021 43.9%
B 0.323s 3137 34.3%
B 0.353s 2362 25.8%
B 0.383s 1693 18.5%
B 0.414s 1125 12.3%
B 0.444s 685 7.5%
B 0.474s 346 3.8%
B 0.505s 122 1.3%
B 0.535s 10 0.1%
B 0.565s -4 0.0%
A 0 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 0.536 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=1.09e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9234 IDLE
Sun May 31 16:47:26 SAST 2026 [elapsed=307 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=46.2 IDLE
taking preflight exposures:
acam...OK
acam image:
124M May 31 16:47 /atlas/obs/03a/61192/03a61192e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun May 31 16:47:48 SAST 2026 [elapsed=329 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (31 seconds old)
OTA humidity level...OK (8%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun May 31 16:47:48 SAST 2026 [elapsed=329 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61191.61654223|info|galildriver|using focus model: foc=9187+(4.30)*17.5+(-0.40)*60.2=9238.2
61191.61654747|info|galildriver|o 2 IN | cass: 3046102 15.23 mm b=23 move=NO | arm: 408733 475.83 mm b=03 move=OK | foc: 54006377 9235 um b=8f M [focus]
61191.61655911|info|galildriver|o 2 IN | cass: 3046097 15.23 mm b=23 move=NO | arm: 408733 475.83 mm b=03 move=OK | foc: 54006451 9235 um b=2f [cmd]
bestfocus for o...OK
Sun May 31 16:47:50 SAST 2026 [elapsed=331 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun May 31 16:48:21 SAST 2026 [elapsed=362 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 May 31 16:48:22 SAST 2026 [elapsed=363 sec] NOTICES: det_dzdx=-888 is outside range +-250 from -558; det_dzdy=2902 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 May 31 16:48:22 SAST 2026 [elapsed=363 sec] Happy observing!
Sun May 31 16:48:22 SAST 2026 [elapsed=363 sec] Preflight took 363 seconds to complete.
Sun May 31 16:48:22 SAST 2026 [elapsed=363 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 114 1.2% A 0.081s 386 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.172s 1782 19.5% A 0.202s 2465 26.9% A 0.232s 3267 35.7% A 0.262s 4174 45.6% A 0.293s 5103 55.7% A 0.323s 5997 65.5% A 0.354s 6775 74.0% A 0.384s 7433 81.2% A 0.414s 8004 87.4% A 0.444s 8458 92.4% A 0.475s 8793 96.1% A 0.505s 9026 98.6% A 0.535s 9139 99.8% A 0.566s 9154 100.0% B 0.020s 2 0.0% B 0.050s 111 1.2% B 0.081s 379 4.1% B 0.111s 728 8.0% B 0.141s 1203 13.1% B 0.171s 1774 19.4% B 0.202s 2467 26.9% B 0.232s 3268 35.7% B 0.262s 4167 45.5% B 0.292s 5103 55.7% B 0.323s 5988 65.4% B 0.353s 6772 74.0% B 0.383s 7440 81.3% B 0.413s 8001 87.4% B 0.443s 8455 92.4% B 0.474s 8795 96.1% B 0.504s 9022 98.6% B 0.534s 9138 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.051s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8422 92.0% A 0.141s 7957 86.9% A 0.172s 7380 80.6% A 0.202s 6692 73.1% A 0.232s 5895 64.4% A 0.262s 4983 54.4% A 0.293s 4038 44.1% A 0.323s 3166 34.6% A 0.353s 2386 26.1% A 0.383s 1731 18.9% A 0.413s 1163 12.7% A 0.444s 706 7.7% A 0.474s 367 4.0% A 0.504s 132 1.4% A 0.534s 15 0.2% A 0.564s 1 0.0% B 0.020s 9146 99.9% B 0.050s 9025 98.6% B 0.081s 8780 95.9% B 0.111s 8433 92.1% B 0.141s 7968 87.0% B 0.171s 7400 80.8% B 0.201s 6713 73.3% B 0.232s 5920 64.7% B 0.262s 5011 54.7% B 0.292s 4083 44.6% B 0.322s 3192 34.9% B 0.353s 2417 26.4% B 0.383s 1723 18.8% B 0.413s 1162 12.7% B 0.443s 713 7.8% B 0.474s 365 4.0% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.564s 0 0.0% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R