STH Recent Preflight: 61354
Executing preflight for 61354 at Mon Nov 9 18:12:11 SAST 2026.
Log can be found in /atlas/obs/03/61354/preflight.dat.
Setting donefile '/atlas/obs/03/61354/preflight_complete.20261109161211.23791' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261109161211.23791.
Mon Nov 9 18:12:11 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Nov 9 18:12:11 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [7b719c66-a087-4ab3-a3c4-2d20d2f50cd7;1800]
Mon Nov 9 18:12:11 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Nov 9 18:12:12 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Nov 9 18:12:12 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Mon Nov 9 18:12:12 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Nov 9 18:12:12 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1794240729
OK
Mon Nov 9 18:12:12 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Nov 9 18:12:12 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
Mon Nov 9 18:12:15 SAST 2026 [elapsed=4 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
Mon Nov 9 18:12:16 SAST 2026 [elapsed=5 sec] QUEUE
0 observations queued.
Mon Nov 9 18:12:16 SAST 2026 [elapsed=5 sec] CLOCKS
admin: Mon Nov 9 16:12:16 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 959 1024 377 1.036 -0.020 0.119
+metbox2.sth.atl .PPS. 1 u 348 1024 377 0.288 -0.027 0.100
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 692 1024 377 23.266 -0.327 0.349
-ntp.as3741.net 210.182.58.253 2 u 844 1024 377 22.909 -0.182 0.122
-ntp2.as3741.net 146.64.58.41 2 u 461 1024 377 7.225 0.144 0.130
-ntp2.inx.net.za 210.182.58.253 2 u 474 1024 377 7.330 0.180 0.188
+ntp2.nog.net.za 80.72.67.48 3 u 563 1024 377 7.501 0.067 0.118
-139.84.231.68 196.21.187.2 2 u 131 1024 377 22.893 0.115 0.408
-ntp7.inx.net.za 183.3.52.101 2 u 367 1024 377 16.556 -0.100 0.037
+tick.sanren.ac. .TC. 1 u 905 1024 377 23.345 0.006 0.099
Mon Nov 9 18:12:27 SAST 2026 [elapsed=16 sec] DISKS
200GB available in /atlas/obs...OK (6438GB)
200GB available in /atlas/red...OK (8812GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.1T 6.2T 40% /
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 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 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 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
Mon Nov 9 18:12:28 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
Mon Nov 9 18:12:28 SAST 2026 [elapsed=17 sec] Disabling mount tracking.
Mon Nov 9 18:12:28 SAST 2026 [elapsed=17 sec] SERVICES2
Mon Nov 9 18:12:28 SAST 2026 [elapsed=17 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Nov 9 18:12:32 SAST 2026 [elapsed=21 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=1.5e+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
Mon Nov 9 18:15:23 SAST 2026 [elapsed=192 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: 311.40 -29.49, az/alt=324.83 +86.49 idle(e) IDLE
Mon Nov 9 18:16:14 SAST 2026 [elapsed=243 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Nov 9 18:16:33 SAST 2026 [elapsed=262 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=46.0 IDLE
Mon Nov 9 18:16:33 SAST 2026 [elapsed=262 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (8 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.6C)
Checking CCD plane: Z0=+1783.00 DZDX=-931.00 DZDY=+4087.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Nov 9 18:16:33 SAST 2026 [elapsed=262 sec] WEATHER
status weather: clear 24.7C 14% 19/24kph@266 DP28.1C/-33C/d IDLE
...OK
Mon Nov 9 18:16:34 SAST 2026 [elapsed=263 sec] MET
status...OK
met: c=N o=Y Ro34d Co1d Wo2d Ho1d To46d Do9d IDLE
Mon Nov 9 18:16:34 SAST 2026 [elapsed=263 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Nov 9 18:16:36 SAST 2026 [elapsed=265 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 340.31 -14.63, 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 -1 -0.0mm 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 109 1.2%
A 0.081s 394 4.3%
A 0.111s 735 8.0%
A 0.141s 1189 13.0%
A 0.171s 1784 19.5%
A 0.202s 2466 26.9%
A 0.232s 3260 35.6%
A 0.262s 4164 45.5%
A 0.293s 5114 55.9%
A 0.323s 5991 65.4%
A 0.353s 6780 74.1%
A 0.383s 7438 81.3%
A 0.414s 8001 87.4%
A 0.444s 8466 92.5%
A 0.474s 8789 96.0%
A 0.504s 9021 98.5%
A 0.535s 9151 100.0%
B 0.020s 1 0.0%
B 0.050s 96 1.0%
B 0.081s 378 4.1%
B 0.111s 714 7.8%
B 0.141s 1180 12.9%
B 0.171s 1758 19.2%
B 0.202s 2442 26.7%
B 0.232s 3232 35.3%
B 0.262s 4137 45.2%
B 0.292s 5073 55.4%
B 0.322s 5963 65.1%
B 0.353s 6753 73.8%
B 0.383s 7414 81.0%
B 0.413s 7992 87.3%
B 0.443s 8442 92.2%
B 0.473s 8786 96.0%
B 0.504s 9021 98.5%
B 0.534s 9141 99.9%
B 0.564s 9159 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.050s 9058 99.0%
A 0.081s 8759 95.7%
A 0.111s 8400 91.8%
A 0.141s 7952 86.9%
A 0.171s 7372 80.5%
A 0.202s 6669 72.9%
A 0.232s 5895 64.4%
A 0.262s 4984 54.4%
A 0.292s 4043 44.2%
A 0.323s 3165 34.6%
A 0.353s 2378 26.0%
A 0.383s 1710 18.7%
A 0.413s 1147 12.5%
A 0.444s 699 7.6%
A 0.474s 355 3.9%
A 0.504s 130 1.4%
A 0.534s 15 0.2%
A 0.565s -5 0.0%
B 0.020s 9144 99.9%
B 0.050s 9024 98.6%
B 0.081s 8770 95.8%
B 0.111s 8410 91.9%
B 0.141s 7938 86.7%
B 0.171s 7379 80.6%
B 0.202s 6693 73.1%
B 0.232s 5895 64.4%
B 0.262s 4984 54.4%
B 0.293s 4050 44.2%
B 0.323s 3138 34.3%
B 0.353s 2360 25.8%
B 0.383s 1714 18.7%
B 0.414s 1142 12.5%
B 0.444s 698 7.6%
B 0.474s 357 3.9%
B 0.504s 130 1.4%
B 0.535s 14 0.2%
B 0.565s -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 0.535 seconds.
Shutter B opened to 100.0 percent in 0.564 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=1.1e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9267 IDLE
Mon Nov 9 18:17:21 SAST 2026 [elapsed=310 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=46.0 IDLE
taking preflight exposures:
acam...OK
acam image:
132M Nov 9 18:17 /atlas/obs/03a/61354/03a61354e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Nov 9 18:17:43 SAST 2026 [elapsed=332 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (65 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Nov 9 18:17:44 SAST 2026 [elapsed=333 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61353.67899234|info|galildriver|using focus model: foc=9187+(4.30)*23.1+(-0.40)*60.2=9262.2
61353.67900684|info|galildriver|o 2 IN | cass: 3031521 15.16 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54012903 9268 um b=8f M [focus]
61353.67901756|info|galildriver|o 2 IN | cass: 3031522 15.16 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54012900 9268 um b=8f M [focus]
61353.67902646|info|galildriver|o 2 IN | cass: 3031522 15.16 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54012901 9268 um b=8f M [focus]
61353.67903282|info|galildriver|o 2 IN | cass: 3031522 15.16 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54012902 9268 um b=8f M [focus]
61353.67904773|info|galildriver|o 2 IN | cass: 3031525 15.16 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54012900 9268 um b=0f [cmd]
bestfocus for o...OK
Mon Nov 9 18:17:50 SAST 2026 [elapsed=339 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Nov 9 18:18:15 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
Mon Nov 9 18:18:16 SAST 2026 [elapsed=365 sec] NOTICES: det_dzdx=-931 is outside range +-250 from -558; det_dzdy=4087 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Mon Nov 9 18:18:16 SAST 2026 [elapsed=365 sec] Happy observing!
Mon Nov 9 18:18:16 SAST 2026 [elapsed=365 sec] Preflight took 365 seconds to complete.
Mon Nov 9 18:18:16 SAST 2026 [elapsed=365 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 0.050s 115 1.3% A 0.081s 383 4.2% A 0.111s 736 8.0% A 0.141s 1198 13.1% A 0.171s 1781 19.5% A 0.202s 2465 26.9% A 0.232s 3267 35.7% A 0.262s 4174 45.6% A 0.293s 5103 55.7% A 0.323s 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7434 81.2% A 0.414s 8004 87.4% A 0.444s 8459 92.4% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.535s 9139 99.8% A 0.565s 9154 100.0% B 0.020s 2 0.0% B 0.050s 111 1.2% B 0.081s 379 4.1% B 0.111s 727 7.9% B 0.141s 1203 13.1% B 0.171s 1774 19.4% B 0.201s 2467 26.9% B 0.232s 3268 35.7% B 0.262s 4136 45.2% B 0.292s 5075 55.4% B 0.322s 5961 65.1% B 0.352s 6749 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.443s 8443 92.2% B 0.473s 8786 96.0% B 0.504s 9018 98.5% B 0.534s 9137 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 8767 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.171s 7360 80.4% A 0.202s 6667 72.8% A 0.232s 5867 64.1% A 0.262s 4982 54.4% A 0.292s 4008 43.8% A 0.322s 3167 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1145 12.5% A 0.443s 692 7.6% A 0.473s 359 3.9% A 0.504s 124 1.4% A 0.534s 13 0.1% A 0.564s 2 0.0% B 0.020s 9143 99.9% B 0.050s 9017 98.5% B 0.081s 8770 95.8% B 0.111s 8420 92.0% B 0.141s 7950 86.8% B 0.171s 7378 80.6% B 0.202s 6689 73.1% B 0.232s 5893 64.4% B 0.262s 4979 54.4% B 0.292s 4052 44.3% B 0.322s 3163 34.6% B 0.353s 2395 26.2% B 0.383s 1702 18.6% B 0.413s 1144 12.5% B 0.444s 699 7.6% B 0.474s 354 3.9% B 0.504s 133 1.5% B 0.534s 15 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R