STH Recent Preflight: 61351
Executing preflight for 61351 at Fri Nov 6 18:09:27 SAST 2026.
Log can be found in /atlas/obs/03/61351/preflight.dat.
Setting donefile '/atlas/obs/03/61351/preflight_complete.20261106160927.23651' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261106160927.23651.
Fri Nov 6 18:09:27 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Nov 6 18:09:27 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [146ead79-ba5f-4066-9617-7568f066929c;1800]
Fri Nov 6 18:09:27 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Nov 6 18:09:28 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Nov 6 18:09:28 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Fri Nov 6 18:09:28 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Nov 6 18:09:28 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1793981358
OK
Fri Nov 6 18:09:28 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Nov 6 18:09:28 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
Fri Nov 6 18:09:29 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
Fri Nov 6 18:09:30 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Nov 6 18:09:30 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Fri Nov 6 16:09:30 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 433 1024 377 1.005 -0.023 0.041
-metbox2.sth.atl .PPS. 1 u 15 1024 377 0.284 -0.089 0.032
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 367 1024 377 23.316 -0.533 0.775
-ntp.as3741.net 146.64.58.41 2 u 47 1024 377 22.863 -0.171 0.934
+ntp2.as3741.net 146.64.58.41 2 u 438 1024 377 7.300 -0.050 0.052
-ntp2.inx.net.za 210.182.58.253 2 u 751 1024 377 7.369 -0.013 0.035
+ntp2.nog.net.za 80.72.67.48 3 u 1048 1024 377 7.531 -0.029 0.043
-139.84.231.68 ( 196.21.187.2 2 u 859 1024 377 22.922 0.014 0.252
-ntp7.inx.net.za 183.3.52.101 2 u 983 1024 377 16.624 0.049 0.197
+tick.sanren.ac. .TC. 1 u 904 1024 377 23.248 -0.043 0.043
Fri Nov 6 18:09:38 SAST 2026 [elapsed=11 sec] DISKS
200GB available in /atlas/obs...OK (6385GB)
200GB available in /atlas/red...OK (9095GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.2T 6.1T 41% /
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/17292
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
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 4.7T 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 739G 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
Fri Nov 6 18:09:39 SAST 2026 [elapsed=12 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
Fri Nov 6 18:09:39 SAST 2026 [elapsed=12 sec] Disabling mount tracking.
Fri Nov 6 18:09:39 SAST 2026 [elapsed=12 sec] SERVICES2
Fri Nov 6 18:09:39 SAST 2026 [elapsed=12 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Nov 6 18:09:43 SAST 2026 [elapsed=16 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= 920kB time=00:00:29.44 bitrate= 256.0kbits/s speed=1.47e+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
Fri Nov 6 18:13:03 SAST 2026 [elapsed=216 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: 307.86 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Fri Nov 6 18:13:54 SAST 2026 [elapsed=267 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Nov 6 18:14:32 SAST 2026 [elapsed=305 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=2082.5 IDLE
Fri Nov 6 18:14:32 SAST 2026 [elapsed=305 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (4 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=-925.00 DZDY=+2632.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Nov 6 18:14:32 SAST 2026 [elapsed=305 sec] WEATHER
status weather: C 11.6C 61% 26/43kph@283 DP6.4C/-30C/d IDLE
...OK
Fri Nov 6 18:14:33 SAST 2026 [elapsed=306 sec] MET
status...OK
met: c=N o=N Ro31d Co2h Ws0 Ho9h To43d Do6d wait W IDLE
Fri Nov 6 18:14:33 SAST 2026 [elapsed=306 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Nov 6 18:14:33 SAST 2026 [elapsed=306 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 336.77 -14.64, az/alt=59.91 +60.05 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 0.050s 108 1.2%
A 0.081s 390 4.3%
A 0.111s 734 8.0%
A 0.141s 1190 13.0%
A 0.172s 1782 19.5%
A 0.202s 2466 26.9%
A 0.232s 3259 35.6%
A 0.262s 4164 45.5%
A 0.292s 5115 55.9%
A 0.323s 5992 65.5%
A 0.353s 6780 74.1%
A 0.383s 7438 81.3%
A 0.413s 7999 87.4%
A 0.444s 8468 92.5%
A 0.474s 8791 96.0%
A 0.504s 9021 98.5%
A 0.535s 9153 100.0%
B 0.020s 1 0.0%
B 0.050s 92 1.0%
B 0.081s 371 4.1%
B 0.111s 714 7.8%
B 0.141s 1182 12.9%
B 0.171s 1757 19.2%
B 0.202s 2440 26.7%
B 0.232s 3232 35.3%
B 0.262s 4137 45.2%
B 0.293s 5073 55.4%
B 0.323s 5965 65.2%
B 0.353s 6752 73.8%
B 0.383s 7415 81.0%
B 0.414s 7994 87.3%
B 0.444s 8443 92.2%
B 0.474s 8789 96.0%
B 0.504s 9024 98.6%
B 0.535s 9144 99.9%
B 0.565s 9162 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9064 99.0%
A 0.081s 8773 95.8%
A 0.111s 8414 91.9%
A 0.141s 7985 87.2%
A 0.172s 7374 80.6%
A 0.202s 6694 73.1%
A 0.232s 5896 64.4%
A 0.263s 4982 54.4%
A 0.293s 4045 44.2%
A 0.323s 3165 34.6%
A 0.353s 2375 25.9%
A 0.384s 1709 18.7%
A 0.414s 1149 12.6%
A 0.444s 697 7.6%
A 0.474s 355 3.9%
A 0.505s 128 1.4%
A 0.535s 12 0.1%
A 0.565s -6 0.0%
B 0.020s 9145 99.9%
B 0.050s 9032 98.7%
B 0.081s 8774 95.8%
B 0.111s 8425 92.0%
B 0.141s 7957 86.9%
B 0.171s 7380 80.6%
B 0.202s 6693 73.1%
B 0.232s 5896 64.4%
B 0.262s 4984 54.4%
B 0.292s 4050 44.2%
B 0.323s 3164 34.6%
B 0.353s 2384 26.0%
B 0.383s 1713 18.7%
B 0.414s 1138 12.4%
B 0.444s 698 7.6%
B 0.474s 357 3.9%
B 0.505s 126 1.4%
B 0.535s 11 0.1%
B 0.565s -6 0.0%
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 0.535 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=1.12e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9226 IDLE
Fri Nov 6 18:15:09 SAST 2026 [elapsed=342 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=2082.5 IDLE
taking preflight exposures:
acam...OK
acam image:
127M Nov 6 18:15 /atlas/obs/03a/61351/03a61351e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Nov 6 18:15:31 SAST 2026 [elapsed=364 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (21 seconds old)
OTA humidity level...OK (2%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Nov 6 18:15:31 SAST 2026 [elapsed=364 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61350.67745653|info|galildriver|using focus model: foc=9187+(4.30)*15.8+(-0.40)*60.2=9230.8
61350.67746155|info|galildriver|o 2 IN | cass: 3036653 15.18 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54004569 9226 um b=8f M [focus]
61350.67747169|info|galildriver|o 2 IN | cass: 3036656 15.18 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54004593 9226 um b=0f [cmd]
bestfocus for o...OK
Fri Nov 6 18:15:34 SAST 2026 [elapsed=367 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Nov 6 18:16:00 SAST 2026 [elapsed=393 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
Fri Nov 6 18:16:01 SAST 2026 [elapsed=394 sec] NOTICES: det_dzdx=-925 is outside range +-250 from -558; det_dzdy=2632 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Fri Nov 6 18:16:01 SAST 2026 [elapsed=394 sec] Happy observing!
Fri Nov 6 18:16:01 SAST 2026 [elapsed=394 sec] Preflight took 394 seconds to complete.
Fri Nov 6 18:16:01 SAST 2026 [elapsed=394 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 115 1.3% A 0.081s 384 4.2% A 0.111s 736 8.0% A 0.141s 1198 13.1% A 0.172s 1782 19.5% A 0.202s 2466 26.9% A 0.232s 3267 35.7% A 0.262s 4173 45.6% A 0.293s 5104 55.8% A 0.323s 5997 65.5% A 0.353s 6775 74.0% A 0.384s 7433 81.2% A 0.414s 8004 87.4% A 0.444s 8459 92.4% A 0.474s 8793 96.1% A 0.504s 9026 98.6% A 0.535s 9139 99.8% A 0.565s 9154 100.0% B 0.020s 2 0.0% B 0.050s 113 1.2% B 0.081s 379 4.1% B 0.111s 727 7.9% B 0.141s 1202 13.1% B 0.171s 1773 19.4% B 0.202s 2466 26.9% B 0.232s 3269 35.7% B 0.262s 4169 45.5% B 0.292s 5102 55.7% B 0.323s 5987 65.4% B 0.353s 6771 74.0% B 0.383s 7441 81.3% B 0.413s 8003 87.4% B 0.444s 8455 92.4% B 0.474s 8795 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9048 98.8% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.172s 7381 80.6% A 0.202s 6691 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.293s 4037 44.1% A 0.323s 3167 34.6% A 0.353s 2387 26.1% A 0.384s 1712 18.7% A 0.414s 1146 12.5% A 0.444s 692 7.6% A 0.475s 359 3.9% A 0.505s 124 1.4% A 0.535s 13 0.1% A 0.565s 2 0.0% B 0.020s 9143 99.9% B 0.050s 9017 98.5% B 0.080s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7953 86.9% B 0.171s 7378 80.6% B 0.201s 6688 73.1% B 0.232s 5891 64.4% B 0.262s 4979 54.4% B 0.292s 4054 44.3% B 0.322s 3162 34.5% B 0.352s 2393 26.1% B 0.383s 1723 18.8% B 0.413s 1162 12.7% B 0.443s 712 7.8% B 0.473s 364 4.0% B 0.504s 138 1.5% B 0.534s 15 0.2% B 0.564s 1 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R