STH Recent Preflight: 61053
Executing preflight for 61053 at Mon Jan 12 18:50:27 SAST 2026.
Log can be found in /atlas/obs/03/61053/preflight.dat.
Setting donefile '/atlas/obs/03/61053/preflight_complete.20260112165027.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260112165027.14431.
Mon Jan 12 18:50:27 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Jan 12 18:50:27 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [4002ca7c-74db-48a0-b0fc-fc17b7e0d31f;1800]
Mon Jan 12 18:50:27 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Jan 12 18:50:28 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Jan 12 18:50:28 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Mon Jan 12 18:50:28 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Jan 12 18:50:28 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1768236627
OK
Mon Jan 12 18:50:28 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Jan 12 18:50:28 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
Mon Jan 12 18:50:30 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
Mon Jan 12 18:50:30 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Jan 12 18:50:30 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Mon Jan 12 16:50:30 UTC 2026
met: 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 740 1024 377 1.032 -0.081 0.036
+metbox2.sth.atl .PPS. 1 u 823 1024 377 0.303 -0.068 0.037
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 210.182.58.253 2 u 896 1024 377 24.306 -0.009 1.159
-ntp.as3741.net 146.64.58.41 2 u 889 1024 377 22.829 -0.136 0.045
-ntp2.as3741.net 146.64.8.7 2 u 919 1024 377 7.367 0.142 0.111
-ntp2.inx.net.za 210.182.58.253 2 u 465 1024 377 7.901 0.112 0.281
-102.222.100.153 155.232.19.7 2 u 480 1024 377 7.937 0.457 0.437
-ntp5.inx.net.za 183.3.52.101 2 u 471 1024 377 7.987 -0.019 0.050
+flipping.cloudh 80.72.67.48 3 u 384 1024 377 8.158 -0.004 0.089
-102.216.37.99 ( 183.3.52.101 2 u 109 1024 377 73.488 -0.228 0.098
#jnb.clearnet.pw 183.3.52.101 2 u 12 1024 377 22.817 -2.224 0.487
Mon Jan 12 18:50:34 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (5975GB)
200GB available in /atlas/red...OK (8946GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.6T 5.7T 45% /
admin:/dev/loop0 105M 105M 0 100% /snap/core/17247
admin:/dev/loop1 105M 105M 0 100% /snap/core/17272
archon:/dev/sda2 117G 21G 91G 19% /
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
archon:/dev/loop0 105M 105M 0 100% /snap/core/17247
archon:/dev/loop2 105M 105M 0 100% /snap/core/17272
tcs:/dev/mapper/ubuntu--vg-ubuntu--lv 98G 35G 59G 37% /
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 4.9T 8.6T 37% /
proc1:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc1:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc2:/dev/md0p1 15T 1.7T 12T 13% /
proc2:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc2:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc3:/dev/md0p1 15T 733G 13T 6% /
proc3:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc3:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc4:/dev/md0p1 15T 1.1T 13T 8% /
proc4:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc4:/dev/loop2 105M 105M 0 100% /snap/core/17272
Mon Jan 12 18:50:34 SAST 2026 [elapsed=7 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 Jan 12 18:50:34 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Mon Jan 12 18:50:35 SAST 2026 [elapsed=8 sec] SERVICES2
Mon Jan 12 18:50:35 SAST 2026 [elapsed=8 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Jan 12 18:50:39 SAST 2026 [elapsed=12 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=1.47e+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
Mon Jan 12 18:53:08 SAST 2026 [elapsed=161 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: 24.21 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Mon Jan 12 18:54:08 SAST 2026 [elapsed=221 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Jan 12 18:54:29 SAST 2026 [elapsed=242 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.8 IDLE
Mon Jan 12 18:54:29 SAST 2026 [elapsed=242 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 (-53.4C)
Checking CCD plane: Z0=+1809.00 DZDX=-904.00 DZDY=+4694.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Jan 12 18:54:29 SAST 2026 [elapsed=242 sec] WEATHER
status weather: clear 26.7C 13% 15/22kph@286 DP33.3C/40C/d IDLE
...OK
Mon Jan 12 18:54:29 SAST 2026 [elapsed=242 sec] MET
status...OK
met: c=N o=Y Ro8d Co2d Wo12d Ho2d To13d Do7d IDLE
Mon Jan 12 18:54:29 SAST 2026 [elapsed=242 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Jan 12 18:54:29 SAST 2026 [elapsed=242 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 53.13 -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 8 0.1%
A 0.051s 117 1.3%
A 0.081s 404 4.4%
A 0.111s 746 8.1%
A 0.141s 1209 13.2%
A 0.172s 1804 19.7%
A 0.202s 2489 27.2%
A 0.232s 3288 35.9%
A 0.263s 4193 45.8%
A 0.293s 5146 56.2%
A 0.323s 6019 65.8%
A 0.353s 6801 74.3%
A 0.384s 7460 81.5%
A 0.414s 8018 87.6%
A 0.444s 8475 92.6%
A 0.475s 8800 96.1%
A 0.505s 9028 98.6%
A 0.535s 9150 100.0%
B 0.020s 1 0.0%
B 0.050s 98 1.1%
B 0.081s 386 4.2%
B 0.111s 726 7.9%
B 0.141s 1198 13.1%
B 0.172s 1778 19.4%
B 0.202s 2467 26.9%
B 0.232s 3258 35.6%
B 0.262s 4168 45.5%
B 0.293s 5104 55.8%
B 0.323s 5992 65.5%
B 0.353s 6775 74.0%
B 0.383s 7436 81.2%
B 0.414s 8007 87.5%
B 0.444s 8454 92.4%
B 0.474s 8840 96.6%
B 0.505s 9027 98.6%
B 0.535s 9142 99.9%
B 0.565s 9159 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9061 99.0%
A 0.081s 8770 95.8%
A 0.111s 8412 91.9%
A 0.141s 7967 87.0%
A 0.171s 7372 80.5%
A 0.202s 6692 73.1%
A 0.232s 5898 64.4%
A 0.262s 4983 54.4%
A 0.292s 4041 44.1%
A 0.323s 3167 34.6%
A 0.353s 2378 26.0%
A 0.383s 1708 18.7%
A 0.413s 1167 12.7%
A 0.443s 698 7.6%
A 0.474s 355 3.9%
A 0.504s 132 1.4%
A 0.534s 15 0.2%
A 0.564s -7 0.0%
B 0.020s 9146 99.9%
B 0.050s 9033 98.7%
B 0.081s 8769 95.8%
B 0.111s 8423 92.0%
B 0.141s 7955 86.9%
B 0.172s 7379 80.6%
B 0.202s 6693 73.1%
B 0.232s 5897 64.4%
B 0.262s 4983 54.4%
B 0.293s 4048 44.2%
B 0.323s 3167 34.6%
B 0.353s 2383 26.0%
B 0.384s 1714 18.7%
B 0.414s 1143 12.5%
B 0.444s 696 7.6%
B 0.474s 356 3.9%
B 0.505s 130 1.4%
B 0.535s 13 0.1%
B 0.565s -5 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 0.564 seconds.
Shutter B closed to 0.0 percent in 0.565 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.04e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9271 IDLE
Mon Jan 12 18:55:09 SAST 2026 [elapsed=282 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.8 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Jan 12 18:55 /atlas/obs/03a/61053/03a61053e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Jan 12 18:55:31 SAST 2026 [elapsed=304 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (44 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Jan 12 18:55:31 SAST 2026 [elapsed=304 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61052.70523442|info|galildriver|using focus model: foc=9187+(4.30)*25.8+(-0.40)*60.2=9273.8
61052.70523966|info|galildriver|o 2 IN | cass: 3045758 15.23 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54013879 9273 um b=8f M [focus]
61052.70524770|info|galildriver|o 2 IN | cass: 3045760 15.23 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54013992 9273 um b=2f [cmd]
bestfocus for o...OK
Mon Jan 12 18:55:34 SAST 2026 [elapsed=307 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Jan 12 18:56:04 SAST 2026 [elapsed=337 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 Jan 12 18:56:05 SAST 2026 [elapsed=338 sec] NOTICES: det_dzdx=-904 is outside range +-250 from -558; det_dzdy=4694 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 Jan 12 18:56:05 SAST 2026 [elapsed=338 sec] Happy observing!
Mon Jan 12 18:56:05 SAST 2026 [elapsed=338 sec] Preflight took 338 seconds to complete.
Mon Jan 12 18:56:05 SAST 2026 [elapsed=338 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 110 1.2% A 0.081s 374 4.1% A 0.111s 717 7.8% A 0.141s 1181 12.9% A 0.171s 1760 19.2% A 0.202s 2441 26.7% A 0.232s 3238 35.4% A 0.262s 4144 45.3% A 0.292s 5078 55.5% A 0.322s 5962 65.1% A 0.353s 6757 73.8% A 0.383s 7411 81.0% A 0.413s 7991 87.3% A 0.444s 8445 92.3% A 0.474s 8779 95.9% A 0.504s 9022 98.6% A 0.534s 9138 99.8% A 0.565s 9151 100.0% B 0.020s 0 0.0% B 0.050s 106 1.2% B 0.081s 369 4.0% B 0.111s 714 7.8% B 0.141s 1186 13.0% B 0.172s 1751 19.1% B 0.202s 2440 26.7% B 0.232s 3240 35.4% B 0.262s 4138 45.2% B 0.293s 5072 55.4% B 0.323s 5959 65.1% B 0.353s 6747 73.7% B 0.383s 7422 81.1% B 0.414s 7986 87.2% B 0.444s 8444 92.2% B 0.474s 8786 96.0% B 0.504s 9018 98.5% B 0.535s 9136 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9149 99.9% A 0.050s 9039 98.7% A 0.081s 8765 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.172s 7356 80.4% A 0.202s 6662 72.8% A 0.232s 5869 64.1% A 0.262s 4944 54.0% A 0.293s 4009 43.8% A 0.323s 3138 34.3% A 0.353s 2356 25.7% A 0.383s 1696 18.5% A 0.414s 1126 12.3% A 0.444s 681 7.4% A 0.474s 350 3.8% A 0.504s 118 1.3% A 0.535s 13 0.1% A 0.565s 2 0.0% B 0.020s 9143 99.9% B 0.051s 9010 98.4% B 0.081s 8762 95.7% B 0.111s 8409 91.9% B 0.141s 7936 86.7% B 0.172s 7357 80.4% B 0.202s 6664 72.8% B 0.232s 5863 64.0% B 0.262s 4952 54.1% B 0.292s 4023 43.9% B 0.323s 3136 34.3% B 0.353s 2368 25.9% B 0.383s 1685 18.4% B 0.413s 1132 12.4% B 0.444s 688 7.5% B 0.474s 347 3.8% B 0.504s 133 1.5% B 0.534s 13 0.1% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R