STH Recent Preflight: 61334
Executing preflight for 61334 at Tue Oct 20 17:55:03 SAST 2026.
Log can be found in /atlas/obs/03/61334/preflight.dat.
Setting donefile '/atlas/obs/03/61334/preflight_complete.20261020155503.2653' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261020155503.2653.
Tue Oct 20 17:55:03 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Oct 20 17:55:03 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [a4ebb4dd-3e4e-4639-9cd7-638a994c179d;1800]
Tue Oct 20 17:55:03 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue Oct 20 17:55:05 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Oct 20 17:55:05 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Tue Oct 20 17:55:05 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Tue Oct 20 17:55:05 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1792511699
OK
Tue Oct 20 17:55:05 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Tue Oct 20 17:55:05 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 Oct 20 17:55:10 SAST 2026 [elapsed=7 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 Oct 20 17:55:10 SAST 2026 [elapsed=7 sec] QUEUE
0 observations queued.
Tue Oct 20 17:55:10 SAST 2026 [elapsed=7 sec] CLOCKS
admin: Tue Oct 20 15:55:10 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 5 1024 377 1.027 -0.028 0.036
+metbox2.sth.atl .PPS. 1 u 683 1024 377 0.315 -0.061 0.041
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 400 1024 377 23.284 0.080 0.862
-ntp.as3741.net 210.182.58.253 2 u 1002 1024 377 22.713 -0.037 1.084
-ntp2.as3741.net 146.64.58.41 2 u 407 1024 377 7.219 0.082 0.111
-ntp2.inx.net.za 183.3.52.101 2 u 218 1024 377 7.353 0.034 0.142
+ntp2.nog.net.za 80.72.67.48 3 u 148 1024 377 7.548 0.015 0.034
-139.84.231.68 ( 196.21.187.2 2 u 833 1024 377 23.069 0.338 2.256
-ntp7.inx.net.za 102.176.229.251 2 u 383 1024 377 16.460 -0.372 0.151
-tick.sanren.ac. .TC. 1 u 176 1024 377 23.312 0.041 0.093
Tue Oct 20 17:55:12 SAST 2026 [elapsed=9 sec] DISKS
200GB available in /atlas/obs...OK (6203GB)
200GB available in /atlas/red...OK (9391GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.3T 6.0T 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 4.4T 9.0T 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
Tue Oct 20 17:55:12 SAST 2026 [elapsed=9 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 Oct 20 17:55:12 SAST 2026 [elapsed=9 sec] Disabling mount tracking.
Tue Oct 20 17:55:12 SAST 2026 [elapsed=9 sec] SERVICES2
Tue Oct 20 17:55:12 SAST 2026 [elapsed=9 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Oct 20 17:55:16 SAST 2026 [elapsed=13 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= 910kB time=00:00:29.12 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
Tue Oct 20 17:57:52 SAST 2026 [elapsed=169 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: 287.30 -29.49, az/alt=324.83 +86.49 idle(e) IDLE
Tue Oct 20 17:58:42 SAST 2026 [elapsed=219 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Oct 20 17:59:01 SAST 2026 [elapsed=238 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Tue Oct 20 17:59:01 SAST 2026 [elapsed=238 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (1 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.6C)
Checking CCD plane: Z0=+1720.00 DZDX=-920.00 DZDY=+2599.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Oct 20 17:59:01 SAST 2026 [elapsed=238 sec] WEATHER
status weather: C W+ 12.6C 25% 61/72kph@315 DP18.2C/-31C/d IDLE
...OK
Tue Oct 20 17:59:02 SAST 2026 [elapsed=239 sec] MET
status...OK
met: c=N o=N Ro14d Co1d Wx0 Ho1d To26d Do2d wait W IDLE
Tue Oct 20 17:59:02 SAST 2026 [elapsed=239 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Oct 20 17:59:03 SAST 2026 [elapsed=240 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 316.21 -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 -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 382 4.2%
A 0.111s 722 7.9%
A 0.141s 1171 12.8%
A 0.172s 1783 19.5%
A 0.202s 2442 26.7%
A 0.232s 3259 35.6%
A 0.262s 4164 45.5%
A 0.293s 5115 55.9%
A 0.323s 5962 65.1%
A 0.353s 6780 74.1%
A 0.384s 7440 81.3%
A 0.414s 8000 87.4%
A 0.444s 8465 92.5%
A 0.475s 8793 96.1%
A 0.505s 9022 98.6%
A 0.535s 9151 100.0%
B 0.020s 1 0.0%
B 0.051s 97 1.1%
B 0.081s 373 4.1%
B 0.111s 726 7.9%
B 0.141s 1197 13.1%
B 0.172s 1776 19.4%
B 0.202s 2467 26.9%
B 0.232s 3258 35.6%
B 0.263s 4165 45.5%
B 0.293s 5102 55.7%
B 0.323s 5992 65.5%
B 0.354s 6776 74.0%
B 0.384s 7435 81.2%
B 0.414s 8009 87.5%
B 0.444s 8456 92.4%
B 0.475s 8799 96.1%
B 0.505s 9029 98.6%
B 0.535s 9144 99.9%
B 0.565s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9064 99.0%
A 0.081s 8772 95.8%
A 0.111s 8414 91.9%
A 0.141s 7968 87.0%
A 0.171s 7373 80.5%
A 0.202s 6693 73.1%
A 0.232s 5896 64.4%
A 0.262s 4983 54.4%
A 0.292s 4043 44.2%
A 0.323s 3166 34.6%
A 0.353s 2376 26.0%
A 0.383s 1711 18.7%
A 0.414s 1146 12.5%
A 0.444s 697 7.6%
A 0.474s 356 3.9%
A 0.504s 129 1.4%
A 0.535s 12 0.1%
A 0.565s -5 0.0%
B 0.020s 9145 99.9%
B 0.051s 9032 98.7%
B 0.081s 8772 95.8%
B 0.111s 8424 92.0%
B 0.141s 7959 86.9%
B 0.172s 7379 80.6%
B 0.202s 6694 73.1%
B 0.232s 5897 64.4%
B 0.262s 4985 54.5%
B 0.292s 4051 44.3%
B 0.323s 3165 34.6%
B 0.353s 2383 26.0%
B 0.383s 1711 18.7%
B 0.413s 1140 12.5%
B 0.444s 697 7.6%
B 0.474s 355 3.9%
B 0.504s 127 1.4%
B 0.534s 13 0.1%
B 0.565s -5 0.0%
A 0 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 100.0 percent in 0.565 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=1.09e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9282 IDLE
Tue Oct 20 17:59:40 SAST 2026 [elapsed=277 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:
124M Oct 20 17:59 /atlas/obs/03a/61334/03a61334e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Oct 20 18:00:03 SAST 2026 [elapsed=300 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (5 seconds old)
OTA humidity level...OK (2%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Oct 20 18:00:03 SAST 2026 [elapsed=300 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61333.66670554|info|galildriver|using focus model: foc=9187+(4.30)*15.8+(-0.40)*60.2=9230.8
61333.66671091|info|galildriver|o 2 IN | cass: 3037836 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54015961 9283 um b=8f M [focus]
61333.66671999|info|galildriver|o 2 IN | cass: 3037832 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54011010 9258 um b=8f M [focus]
61333.66673327|info|galildriver|o 2 IN | cass: 3037836 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54005412 9230 um b=0f [cmd]
bestfocus for o...OK
Tue Oct 20 18:00:05 SAST 2026 [elapsed=302 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Oct 20 18:00:31 SAST 2026 [elapsed=328 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 Oct 20 18:00:33 SAST 2026 [elapsed=330 sec] NOTICES: det_dzdx=-920 is outside range +-250 from -558; det_dzdy=2599 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 Oct 20 18:00:33 SAST 2026 [elapsed=330 sec] Happy observing!
Tue Oct 20 18:00:33 SAST 2026 [elapsed=330 sec] Preflight took 330 seconds to complete.
Tue Oct 20 18:00:33 SAST 2026 [elapsed=330 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 0.050s 114 1.2% A 0.081s 383 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1781 19.5% A 0.202s 2467 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.292s 5103 55.7% A 0.322s 5996 65.5% A 0.353s 6776 74.0% A 0.383s 7433 81.2% A 0.413s 8003 87.4% A 0.443s 8448 92.3% A 0.474s 8784 96.0% A 0.504s 9021 98.5% A 0.534s 9137 99.8% A 0.564s 9154 100.0% B 0.020s 0 0.0% B 0.050s 112 1.2% B 0.081s 379 4.1% B 0.111s 713 7.8% B 0.141s 1185 12.9% B 0.171s 1752 19.1% B 0.202s 2441 26.7% B 0.232s 3238 35.4% B 0.262s 4136 45.2% B 0.292s 5073 55.4% B 0.323s 5960 65.1% B 0.353s 6748 73.7% B 0.383s 7419 81.0% B 0.413s 7986 87.2% B 0.444s 8444 92.2% B 0.474s 8786 96.0% B 0.504s 9019 98.5% B 0.534s 9138 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9042 98.8% A 0.081s 8768 95.8% A 0.111s 8409 91.9% A 0.141s 7941 86.7% A 0.171s 7361 80.4% A 0.201s 6668 72.8% A 0.232s 5867 64.1% A 0.262s 4982 54.4% A 0.292s 4037 44.1% A 0.322s 3166 34.6% A 0.352s 2387 26.1% A 0.383s 1712 18.7% A 0.413s 1145 12.5% A 0.443s 692 7.6% A 0.473s 360 3.9% A 0.503s 124 1.4% A 0.534s 13 0.1% A 0.564s 2 0.0% B 0.020s 9143 99.9% B 0.050s 9018 98.5% B 0.081s 8770 95.8% B 0.111s 8420 92.0% B 0.141s 7950 86.8% B 0.171s 7377 80.6% B 0.202s 6689 73.1% B 0.232s 5895 64.4% B 0.262s 4981 54.4% B 0.292s 4052 44.3% B 0.323s 3160 34.5% B 0.353s 2395 26.2% B 0.383s 1703 18.6% B 0.413s 1144 12.5% B 0.443s 712 7.8% B 0.473s 363 4.0% B 0.504s 137 1.5% B 0.534s 15 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R