STH Recent Preflight: 61317
Executing preflight for 61317 at Sat Oct 3 17:42:46 SAST 2026.
Log can be found in /atlas/obs/03/61317/preflight.dat.
Setting donefile '/atlas/obs/03/61317/preflight_complete.20261003154246.1280' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261003154246.1280.
Sat Oct 3 17:42:46 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Oct 3 17:42:46 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [118354ce-45e5-42e8-ba3a-00a0ae20b472;1800]
Sat Oct 3 17:42:46 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat Oct 3 17:42:47 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Oct 3 17:42:47 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sat Oct 3 17:42:47 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Oct 3 17:42:47 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1791042159
OK
Sat Oct 3 17:42:47 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Oct 3 17:42:47 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
Sat Oct 3 17:42:48 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
Sat Oct 3 17:42:49 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Oct 3 17:42:49 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sat Oct 3 15:42:49 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 416 1024 377 1.022 0.059 0.067
+metbox2.sth.atl .PPS. 1 u 997 1024 377 0.314 0.037 0.039
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 500 1024 377 23.264 0.423 0.605
-ntp.as3741.net 155.232.19.6 2 u 603 1024 377 22.970 -0.079 0.250
+ntp2.as3741.net 155.232.19.6 2 u 460 1024 377 7.318 0.034 0.027
-ntp2.inx.net.za 183.3.52.101 2 u 417 1024 377 7.267 0.039 0.043
-ntp2.nog.net.za 80.72.67.48 3 u 355 1024 377 7.440 0.144 0.059
-139.84.231.68 ( 196.21.187.2 2 u 572 1024 377 22.892 -0.137 0.380
-ntp7.inx.net.za 210.182.58.253 2 u 568 1024 377 16.547 0.528 0.201
*tick.sanren.ac. .TC. 1 u 622 1024 377 23.238 0.081 0.674
Sat Oct 3 17:42:51 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6142GB)
200GB available in /atlas/red...OK (9052GB)
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/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/17284
archon:/dev/loop1 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 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 738G 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
Sat Oct 3 17:42:51 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
Sat Oct 3 17:42:51 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Sat Oct 3 17:42:51 SAST 2026 [elapsed=5 sec] SERVICES2
Sat Oct 3 17:42:51 SAST 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Oct 3 17:42:55 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= 932kB time=00:00:29.82 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
Sat Oct 3 17:46:12 SAST 2026 [elapsed=206 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: 267.61 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Sat Oct 3 17:47:03 SAST 2026 [elapsed=257 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Oct 3 17:47:22 SAST 2026 [elapsed=276 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Sat Oct 3 17:47:22 SAST 2026 [elapsed=276 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 (-54.7C)
Checking CCD plane: Z0=+1713.00 DZDX=-916.00 DZDY=+2492.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Oct 3 17:47:22 SAST 2026 [elapsed=276 sec] WEATHER
status weather: C+ H+ 8.7C 92% 29/47kph@177 DP1.2C/5C/d IDLE
...OK
Sat Oct 3 17:47:22 SAST 2026 [elapsed=276 sec] MET
status...OK
met: c=Y o=N Ro6d Cx2h Wo9d Hx1h To9d Do19h wait CH IDLE
Sat Oct 3 17:47:23 SAST 2026 [elapsed=277 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Oct 3 17:47:23 SAST 2026 [elapsed=277 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 296.53 -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 -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 9 0.1%
A 0.051s 115 1.3%
A 0.081s 400 4.4%
A 0.111s 746 8.1%
A 0.141s 1206 13.2%
A 0.172s 1803 19.7%
A 0.202s 2490 27.2%
A 0.232s 3286 35.9%
A 0.262s 4192 45.8%
A 0.293s 5145 56.2%
A 0.323s 6018 65.7%
A 0.353s 6803 74.3%
A 0.384s 7458 81.5%
A 0.414s 8018 87.6%
A 0.444s 8478 92.6%
A 0.475s 8802 96.2%
A 0.505s 9027 98.6%
A 0.535s 9155 100.0%
B 0.020s 2 0.0%
B 0.050s 104 1.1%
B 0.081s 391 4.3%
B 0.111s 740 8.1%
B 0.141s 1214 13.3%
B 0.172s 1797 19.6%
B 0.202s 2489 27.2%
B 0.232s 3283 35.9%
B 0.262s 4196 45.8%
B 0.293s 5130 56.0%
B 0.323s 5992 65.5%
B 0.353s 6795 74.2%
B 0.383s 7435 81.2%
B 0.414s 8026 87.7%
B 0.444s 8467 92.5%
B 0.474s 8810 96.2%
B 0.504s 9036 98.7%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9065 99.0%
A 0.081s 8785 96.0%
A 0.111s 8426 92.0%
A 0.141s 7968 87.0%
A 0.171s 7374 80.6%
A 0.202s 6715 73.4%
A 0.232s 5897 64.4%
A 0.262s 5013 54.8%
A 0.293s 4043 44.2%
A 0.323s 3166 34.6%
A 0.353s 2400 26.2%
A 0.383s 1707 18.6%
A 0.414s 1148 12.5%
A 0.444s 698 7.6%
A 0.474s 354 3.9%
A 0.505s 129 1.4%
A 0.535s 12 0.1%
A 0.565s -8 0.0%
B 0.020s 9145 99.9%
B 0.050s 9033 98.7%
B 0.081s 8774 95.8%
B 0.111s 8425 92.0%
B 0.141s 7960 87.0%
B 0.172s 7379 80.6%
B 0.202s 6694 73.1%
B 0.232s 5897 64.4%
B 0.262s 4984 54.4%
B 0.293s 4051 44.3%
B 0.323s 3163 34.6%
B 0.353s 2384 26.0%
B 0.383s 1711 18.7%
B 0.414s 1141 12.5%
B 0.444s 696 7.6%
B 0.474s 355 3.9%
B 0.505s 127 1.4%
B 0.535s 11 0.1%
B 0.565s -7 0.0%
A 1 0.0mm 15 N F R | B -6 -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= 228kB time=00:00:07.29 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=9224 IDLE
Sat Oct 3 17:48:00 SAST 2026 [elapsed=314 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
taking preflight exposures:
acam...OK
acam image:
124M Oct 3 17:48 /atlas/obs/03a/61317/03a61317e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Oct 3 17:48:22 SAST 2026 [elapsed=336 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (25 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Oct 3 17:48:22 SAST 2026 [elapsed=336 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61316.65859700|info|galildriver|using focus model: foc=9187+(4.30)*14.4+(-0.40)*60.2=9224.8
61316.65860166|info|galildriver|o 2 IN | cass: 3039587 15.20 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54004327 9225 um b=0f [cmd]
bestfocus for o...OK
Sat Oct 3 17:48:24 SAST 2026 [elapsed=338 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Oct 3 17:48:50 SAST 2026 [elapsed=364 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
Sat Oct 3 17:48:52 SAST 2026 [elapsed=366 sec] NOTICES: det_dzdx=-916 is outside range +-250 from -558; det_dzdy=2492 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sat Oct 3 17:48:52 SAST 2026 [elapsed=366 sec] Happy observing!
Sat Oct 3 17:48:52 SAST 2026 [elapsed=366 sec] Preflight took 366 seconds to complete.
Sat Oct 3 17:48:52 SAST 2026 [elapsed=366 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 374 4.1% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.171s 1761 19.2% A 0.202s 2441 26.7% A 0.232s 3239 35.4% A 0.262s 4144 45.3% A 0.292s 5073 55.4% A 0.322s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7414 81.0% A 0.413s 7987 87.3% A 0.443s 8433 92.1% A 0.473s 8775 95.9% A 0.504s 9016 98.5% A 0.534s 9135 99.8% A 0.564s 9155 100.0% B 0.020s 1 0.0% B 0.050s 113 1.2% B 0.080s 379 4.1% B 0.111s 728 8.0% B 0.141s 1202 13.1% B 0.171s 1773 19.4% B 0.201s 2467 26.9% B 0.232s 3267 35.7% B 0.262s 4166 45.5% B 0.292s 5104 55.8% B 0.323s 5988 65.4% B 0.353s 6771 74.0% B 0.383s 7439 81.3% B 0.413s 8000 87.4% B 0.444s 8457 92.4% B 0.474s 8796 96.1% B 0.504s 9024 98.6% B 0.534s 9139 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9050 98.9% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7975 87.1% A 0.171s 7402 80.9% A 0.201s 6715 73.4% A 0.232s 5923 64.7% A 0.262s 5013 54.8% A 0.292s 4067 44.4% A 0.322s 3194 34.9% A 0.352s 2409 26.3% A 0.383s 1732 18.9% A 0.413s 1162 12.7% A 0.443s 704 7.7% A 0.473s 367 4.0% A 0.504s 130 1.4% A 0.534s 15 0.2% A 0.564s 2 0.0% B 0.020s 9142 99.9% B 0.051s 9015 98.5% B 0.081s 8763 95.7% B 0.111s 8410 91.9% B 0.141s 7936 86.7% B 0.172s 7358 80.4% B 0.202s 6667 72.8% B 0.232s 5867 64.1% B 0.262s 4953 54.1% B 0.293s 4023 43.9% B 0.323s 3137 34.3% B 0.353s 2372 25.9% B 0.383s 1681 18.4% B 0.414s 1129 12.3% B 0.444s 686 7.5% B 0.474s 345 3.8% B 0.504s 127 1.4% B 0.534s 12 0.1% B 0.565s -1 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R