STH Recent Preflight: 61236
Executing preflight for 61236 at Tue Jul 14 16:51:38 SAST 2026.
Log can be found in /atlas/obs/03/61236/preflight.dat.
Setting donefile '/atlas/obs/03/61236/preflight_complete.20260714145138.2231' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260714145138.2231.
Tue Jul 14 16:51:38 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Jul 14 16:51:38 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [26ff5b8b-b4f0-496d-85ec-919ef5b8ba70;1800]
Tue Jul 14 16:51:38 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue Jul 14 16:51:40 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Jul 14 16:51:40 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Tue Jul 14 16:51:40 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Tue Jul 14 16:51:40 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1784040699
OK
Tue Jul 14 16:51:40 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Tue Jul 14 16:51:40 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
Tue Jul 14 16:51:41 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 Jul 14 16:51:42 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Tue Jul 14 16:51:42 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Tue Jul 14 14:51:42 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 492 1024 377 1.003 0.103 0.116
*metbox2.sth.atl .PPS. 1 u 1001 1024 377 0.281 0.026 0.074
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 834 1024 377 23.371 0.509 0.527
+ntp.as3741.net 210.182.58.253 2 u 391 1024 377 22.787 -0.003 0.604
-ntp2.as3741.net 155.232.19.7 2 u 145 1024 377 7.282 -0.117 0.341
-ntp2.inx.net.za 210.182.58.253 2 u 297 1024 377 7.315 0.080 0.032
-ntp5.inx.net.za 102.176.229.251 2 u 215 1024 377 7.595 -0.098 0.050
-102.222.156.151 196.21.187.2 2 u 379 1024 377 23.526 -0.078 0.680
+ntp2.nog.net.za 80.72.67.48 3 u 578 1024 377 7.556 0.064 0.070
-139.84.231.68 ( 196.21.187.2 2 u 589 1024 377 22.746 0.029 0.471
#ntp8.inx.net.za 196.21.187.2 2 u 108 1024 377 16.873 0.891 0.671
Tue Jul 14 16:51:44 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (5862GB)
200GB available in /atlas/red...OK (8817GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.7T 5.6T 46% /
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 5.0T 8.5T 38% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 2.0T 12T 15% /
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
Tue Jul 14 16:51:45 SAST 2026 [elapsed=7 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 Jul 14 16:51:45 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Tue Jul 14 16:51:45 SAST 2026 [elapsed=7 sec] SERVICES2
Tue Jul 14 16:51:45 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Jul 14 16:51:49 SAST 2026 [elapsed=11 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= 916kB time=00:00:29.31 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
Tue Jul 14 16:55:05 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: 175.13 -29.49, az/alt=324.74 +86.49 idle(e) IDLE
Tue Jul 14 16:56:36 SAST 2026 [elapsed=298 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Jul 14 16:56:55 SAST 2026 [elapsed=317 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Tue Jul 14 16:56:55 SAST 2026 [elapsed=317 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (5 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.4C)
Checking CCD plane: Z0=+1716.00 DZDX=-873.00 DZDY=+2565.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Jul 14 16:56:55 SAST 2026 [elapsed=317 sec] WEATHER
status weather: clear 12.1C 34% 14/21kph@270 DP14.9C/-4C/d IDLE
...OK
Tue Jul 14 16:56:56 SAST 2026 [elapsed=318 sec] MET
status...OK
met: c=N o=Y Ro15d Co1d Wo15d Ho1d To26d Do22h IDLE
Tue Jul 14 16:56:56 SAST 2026 [elapsed=318 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Jul 14 16:56:56 SAST 2026 [elapsed=318 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 204.05 -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 0.051s 108 1.2%
A 0.081s 391 4.3%
A 0.111s 745 8.1%
A 0.142s 1206 13.2%
A 0.172s 1803 19.7%
A 0.202s 2490 27.2%
A 0.233s 3288 35.9%
A 0.263s 4194 45.8%
A 0.293s 5146 56.2%
A 0.324s 6016 65.7%
A 0.354s 6803 74.3%
A 0.384s 7458 81.5%
A 0.415s 8015 87.6%
A 0.445s 8491 92.8%
A 0.476s 8812 96.3%
A 0.506s 9033 98.7%
A 0.537s 9155 100.0%
B 0.020s 0 0.0%
B 0.051s 96 1.0%
B 0.081s 385 4.2%
B 0.111s 727 7.9%
B 0.142s 1197 13.1%
B 0.172s 1777 19.4%
B 0.203s 2465 26.9%
B 0.233s 3258 35.6%
B 0.263s 4197 45.8%
B 0.294s 5132 56.1%
B 0.324s 6020 65.8%
B 0.355s 6796 74.2%
B 0.385s 7456 81.5%
B 0.415s 8025 87.7%
B 0.446s 8468 92.5%
B 0.476s 8808 96.2%
B 0.506s 9034 98.7%
B 0.537s 9149 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9058 99.0%
A 0.081s 8761 95.7%
A 0.112s 8388 91.6%
A 0.142s 7936 86.7%
A 0.172s 7331 80.1%
A 0.203s 6645 72.6%
A 0.233s 5841 63.8%
A 0.263s 4922 53.8%
A 0.294s 3984 43.5%
A 0.324s 3110 34.0%
A 0.354s 2331 25.5%
A 0.385s 1668 18.2%
A 0.415s 1115 12.2%
A 0.445s 674 7.4%
A 0.476s 336 3.7%
A 0.506s 114 1.2%
A 0.537s 7 0.1%
B 0.020s 9145 99.9%
B 0.051s 9033 98.7%
B 0.081s 8763 95.7%
B 0.111s 8411 91.9%
B 0.142s 7941 86.7%
B 0.172s 7359 80.4%
B 0.203s 6670 72.9%
B 0.233s 5870 64.1%
B 0.263s 4954 54.1%
B 0.294s 4021 43.9%
B 0.324s 3109 34.0%
B 0.355s 2337 25.5%
B 0.385s 1673 18.3%
B 0.415s 1109 12.1%
B 0.446s 671 7.3%
B 0.476s 337 3.7%
B 0.507s 118 1.3%
B 0.537s 8 0.1%
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 0.537 seconds.
Shutter B opened to 99.9 percent in 0.537 seconds.
Shutter A closed to 0.1 percent in 0.537 seconds.
Shutter B closed to 0.1 percent in 0.537 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed= 997x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9234 IDLE
Tue Jul 14 16:57:32 SAST 2026 [elapsed=354 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:
123M Jul 14 16:57 /atlas/obs/03a/61236/03a61236e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Jul 14 16:57:55 SAST 2026 [elapsed=377 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (66 seconds old)
OTA humidity level...OK (17%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Jul 14 16:57:55 SAST 2026 [elapsed=377 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61235.62356157|info|galildriver|using focus model: foc=9187+(4.30)*16.8+(-0.40)*60.2=9235.1
61235.62356638|info|galildriver|o 2 IN | cass: 3043972 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006256 9234 um b=0f [cmd]
bestfocus for o...OK
Tue Jul 14 16:57:56 SAST 2026 [elapsed=378 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Jul 14 16:58:22 SAST 2026 [elapsed=404 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 Jul 14 16:58:23 SAST 2026 [elapsed=405 sec] NOTICES: det_dzdx=-873 is outside range +-250 from -558; det_dzdy=2565 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 Jul 14 16:58:23 SAST 2026 [elapsed=405 sec] Happy observing!
Tue Jul 14 16:58:23 SAST 2026 [elapsed=405 sec] Preflight took 405 seconds to complete.
Tue Jul 14 16:58:23 SAST 2026 [elapsed=405 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 108 1.2% A 0.081s 376 4.1% A 0.111s 723 7.9% A 0.141s 1180 12.9% A 0.171s 1762 19.2% A 0.202s 2441 26.7% A 0.232s 3239 35.4% A 0.262s 4145 45.3% A 0.292s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7414 81.0% A 0.413s 7989 87.3% A 0.443s 8431 92.1% A 0.474s 8783 95.9% A 0.504s 9016 98.5% A 0.534s 9134 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 120 1.3% B 0.081s 390 4.3% B 0.111s 727 7.9% B 0.141s 1201 13.1% B 0.171s 1772 19.4% B 0.202s 2468 27.0% B 0.232s 3269 35.7% B 0.262s 4167 45.5% B 0.292s 5102 55.7% B 0.322s 5987 65.4% B 0.352s 6773 74.0% B 0.383s 7440 81.3% B 0.413s 8002 87.4% B 0.443s 8456 92.4% B 0.473s 8794 96.1% B 0.504s 9017 98.5% 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 0.050s 9055 98.9% A 0.081s 8784 96.0% A 0.111s 8432 92.1% A 0.141s 7973 87.1% A 0.171s 7400 80.8% A 0.202s 6714 73.3% A 0.232s 5921 64.7% A 0.262s 5012 54.8% A 0.292s 4067 44.4% A 0.323s 3194 34.9% A 0.353s 2408 26.3% A 0.383s 1732 18.9% A 0.413s 1163 12.7% A 0.444s 706 7.7% A 0.474s 367 4.0% A 0.504s 129 1.4% A 0.534s 16 0.2% A 0.565s 1 0.0% B 0.020s 9146 99.9% B 0.050s 9027 98.6% B 0.081s 8781 95.9% B 0.111s 8436 92.2% B 0.141s 7971 87.1% B 0.172s 7400 80.8% B 0.202s 6715 73.4% B 0.232s 5920 64.7% B 0.262s 5012 54.8% B 0.293s 4084 44.6% B 0.323s 3193 34.9% B 0.353s 2416 26.4% B 0.383s 1724 18.8% B 0.413s 1162 12.7% B 0.444s 712 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