STH Recent Preflight: 61329
Executing preflight for 61329 at Thu Oct 15 17:51:14 SAST 2026.
Log can be found in /atlas/obs/03/61329/preflight.dat.
Setting donefile '/atlas/obs/03/61329/preflight_complete.20261015155114.7230' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261015155114.7230.
Thu Oct 15 17:51:14 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Oct 15 17:51:14 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [68fbeed6-5140-430e-9b56-12e198702f4d;1800]
Thu Oct 15 17:51:14 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu Oct 15 17:51:15 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Oct 15 17:51:15 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Thu Oct 15 17:51:15 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Oct 15 17:51:15 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1792079466
OK
Thu Oct 15 17:51:15 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Oct 15 17:51:15 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 Oct 15 17:51:17 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 Oct 15 17:51:17 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Oct 15 17:51:17 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Thu Oct 15 15:51:17 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 1060 1024 377 0.928 0.010 0.082
*metbox2.sth.atl .PPS. 1 u 694 1024 377 0.287 0.002 0.064
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 1008 1024 377 23.369 0.519 0.782
+ntp.as3741.net 146.64.58.41 2 u 40 1024 377 22.746 0.063 0.520
-ntp2.as3741.net 155.232.19.6 2 u 575 1024 377 7.296 0.064 0.284
+ntp2.inx.net.za 210.182.58.253 2 u 313 1024 377 7.339 -0.022 0.063
+ntp2.nog.net.za 80.72.67.48 3 u 695 1024 377 7.498 0.009 0.167
+139.84.231.68 ( 196.21.187.2 2 u 424 1024 377 23.318 -0.021 1.005
-ntp7.inx.net.za 196.21.187.2 2 u 323 1024 377 16.645 -0.270 0.186
+tick.sanren.ac. .TC. 1 u 377 1024 377 23.212 -0.005 0.073
Thu Oct 15 17:51:31 SAST 2026 [elapsed=17 sec] DISKS
200GB available in /atlas/obs...OK (6078GB)
200GB available in /atlas/red...OK (9467GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.5T 5.8T 44% /
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 4.4T 9.1T 33% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.9T 12T 14% /
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
Thu Oct 15 17:51:31 SAST 2026 [elapsed=17 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 Oct 15 17:51:31 SAST 2026 [elapsed=17 sec] Disabling mount tracking.
Thu Oct 15 17:51:32 SAST 2026 [elapsed=18 sec] SERVICES2
Thu Oct 15 17:51:32 SAST 2026 [elapsed=18 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Oct 15 17:51:36 SAST 2026 [elapsed=22 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=1.45e+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 Oct 15 17:54:08 SAST 2026 [elapsed=174 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: 281.43 -29.49, az/alt=324.78 +86.49 idle(e) IDLE
Thu Oct 15 17:54:59 SAST 2026 [elapsed=225 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Oct 15 17:55:18 SAST 2026 [elapsed=244 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.5 IDLE
Thu Oct 15 17:55:18 SAST 2026 [elapsed=244 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (3 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.1C)
Checking CCD plane: Z0=+1759.00 DZDX=-930.00 DZDY=+3526.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Oct 15 17:55:18 SAST 2026 [elapsed=244 sec] WEATHER
status weather: clear 20.5C 15% 26/38kph@328 DP26.2C/-21C/d IDLE
...OK
Thu Oct 15 17:55:19 SAST 2026 [elapsed=245 sec] MET
status...OK
met: c=N o=Y Ro9d Co2d Wo21h Ho2d To21d Do7d IDLE
Thu Oct 15 17:55:19 SAST 2026 [elapsed=245 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Oct 15 17:55:19 SAST 2026 [elapsed=245 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 310.35 -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 8 0.1%
A 0.050s 115 1.3%
A 0.081s 402 4.4%
A 0.111s 746 8.1%
A 0.142s 1207 13.2%
A 0.172s 1803 19.7%
A 0.202s 2490 27.2%
A 0.232s 3287 35.9%
A 0.263s 4196 45.8%
A 0.293s 5146 56.2%
A 0.323s 6017 65.7%
A 0.353s 6803 74.3%
A 0.384s 7459 81.5%
A 0.414s 8015 87.6%
A 0.445s 8478 92.6%
A 0.475s 8801 96.1%
A 0.505s 9027 98.6%
A 0.536s 9152 100.0%
B 0.020s 3 0.0%
B 0.051s 103 1.1%
B 0.081s 394 4.3%
B 0.111s 739 8.1%
B 0.142s 1231 13.4%
B 0.172s 1818 19.9%
B 0.203s 2518 27.5%
B 0.233s 3312 36.2%
B 0.263s 4229 46.2%
B 0.294s 5161 56.4%
B 0.324s 6048 66.1%
B 0.354s 6822 74.5%
B 0.385s 7475 81.7%
B 0.415s 8042 87.9%
B 0.446s 8492 92.8%
B 0.476s 8823 96.4%
B 0.506s 9043 98.8%
B 0.537s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9062 99.0%
A 0.081s 8771 95.8%
A 0.111s 8414 91.9%
A 0.142s 7952 86.9%
A 0.172s 7352 80.3%
A 0.202s 6668 72.8%
A 0.233s 5870 64.1%
A 0.263s 4953 54.1%
A 0.293s 4013 43.8%
A 0.323s 3138 34.3%
A 0.354s 2353 25.7%
A 0.384s 1690 18.5%
A 0.414s 1131 12.4%
A 0.444s 685 7.5%
A 0.475s 346 3.8%
A 0.505s 124 1.4%
A 0.535s 14 0.2%
A 0.566s -5 0.0%
B 0.020s 9146 99.9%
B 0.051s 9038 98.7%
B 0.081s 8781 95.9%
B 0.111s 8423 92.0%
B 0.142s 7955 86.9%
B 0.172s 7380 80.6%
B 0.202s 6693 73.1%
B 0.233s 5896 64.4%
B 0.263s 4985 54.5%
B 0.293s 4050 44.2%
B 0.324s 3165 34.6%
B 0.354s 2383 26.0%
B 0.384s 1711 18.7%
B 0.415s 1143 12.5%
B 0.445s 696 7.6%
B 0.475s 355 3.9%
B 0.506s 130 1.4%
B 0.536s 13 0.1%
B 0.566s -3 0.0%
A 0 0.0mm 15 N F R | B -3 -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 0.537 seconds.
Shutter A closed to 0.0 percent in 0.566 seconds.
Shutter B closed to 0.0 percent in 0.566 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.08e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9301 IDLE
Thu Oct 15 17:55:56 SAST 2026 [elapsed=282 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.5 IDLE
taking preflight exposures:
acam...OK
acam image:
127M Oct 15 17:56 /atlas/obs/03a/61329/03a61329e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Oct 15 17:56:18 SAST 2026 [elapsed=304 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (50 seconds old)
OTA humidity level...OK (2%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Oct 15 17:56:18 SAST 2026 [elapsed=304 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61328.66411206|info|galildriver|using focus model: foc=9187+(4.30)*20.2+(-0.40)*60.2=9249.8
61328.66411743|info|galildriver|o 2 IN | cass: 3035539 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54019743 9302 um b=8f M [focus]
61328.66412315|info|galildriver|o 2 IN | cass: 3035537 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54019743 9302 um b=8f M [focus]
61328.66412653|info|galildriver|o 2 IN | cass: 3035540 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54019746 9302 um b=8f M [focus]
61328.66413470|info|galildriver|o 2 IN | cass: 3035539 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54019647 9301 um b=0f [cmd]
bestfocus for o...OK
Thu Oct 15 17:56:21 SAST 2026 [elapsed=307 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Oct 15 17:56:47 SAST 2026 [elapsed=333 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 Oct 15 17:56:48 SAST 2026 [elapsed=334 sec] NOTICES: det_dzdx=-930 is outside range +-250 from -558; det_dzdy=3526 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Thu Oct 15 17:56:48 SAST 2026 [elapsed=334 sec] Happy observing!
Thu Oct 15 17:56:48 SAST 2026 [elapsed=334 sec] Preflight took 334 seconds to complete.
Thu Oct 15 17:56:48 SAST 2026 [elapsed=334 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 4 0.0% A 0.051s 121 1.3% A 0.081s 395 4.3% A 0.111s 749 8.2% A 0.141s 1214 13.3% A 0.171s 1802 19.7% A 0.202s 2490 27.2% A 0.232s 3294 36.0% A 0.262s 4204 45.9% A 0.292s 5133 56.1% A 0.322s 6024 65.8% A 0.353s 6798 74.3% A 0.383s 7453 81.4% A 0.413s 8021 87.6% A 0.443s 8472 92.5% A 0.474s 8794 96.1% A 0.504s 9027 98.6% A 0.534s 9140 99.8% A 0.564s 9155 100.0% B 0.020s -244 -2.7% B 0.050s -123 -1.3% B 0.081s 134 1.5% B 0.111s 488 5.3% B 0.141s 970 10.6% B 0.172s 1544 16.9% B 0.202s 2236 24.4% B 0.232s 3048 33.3% B 0.262s 3951 43.2% B 0.293s 4883 53.3% B 0.323s 5786 63.2% B 0.353s 6606 72.2% B 0.383s 7296 79.7% B 0.414s 7884 86.1% B 0.444s 8363 91.4% B 0.474s 8716 95.2% B 0.504s 8975 98.0% B 0.534s 9118 99.6% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9051 98.9% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 7381 80.6% A 0.202s 6691 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.292s 4038 44.1% A 0.323s 3167 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1145 12.5% A 0.444s 692 7.6% A 0.474s 358 3.9% A 0.504s 124 1.4% A 0.535s 14 0.2% A 0.565s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9021 98.5% B 0.081s 8765 95.8% B 0.111s 8410 91.9% B 0.141s 7937 86.7% B 0.172s 7360 80.4% B 0.202s 6690 73.1% B 0.232s 5894 64.4% B 0.262s 4984 54.4% B 0.293s 4058 44.3% B 0.323s 3165 34.6% B 0.353s 2394 26.2% B 0.383s 1702 18.6% B 0.413s 1146 12.5% B 0.444s 699 7.6% B 0.474s 357 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