STH Recent Preflight: 61063
Executing preflight for 61063 at Thu Jan 22 18:47:37 SAST 2026.
Log can be found in /atlas/obs/03/61063/preflight.dat.
Setting donefile '/atlas/obs/03/61063/preflight_complete.20260122164737.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260122164737.14431.
Thu Jan 22 18:47:37 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Jan 22 18:47:37 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [4d3bce54-8e68-4876-bb82-bdcffc834c20;1800]
Thu Jan 22 18:47:37 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu Jan 22 18:47:38 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Jan 22 18:47:38 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Thu Jan 22 18:47:38 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Jan 22 18:47:38 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1769100448
OK
Thu Jan 22 18:47:38 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Jan 22 18:47:38 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 Jan 22 18:47:39 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
Thu Jan 22 18:47:40 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Jan 22 18:47:40 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Thu Jan 22 16:47:40 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 827 1024 377 0.973 0.218 0.887
+metbox2.sth.atl .PPS. 1 u 1036 1024 377 0.277 0.128 0.204
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 210.182.58.253 2 u 819 1024 377 24.330 0.329 0.373
+ntp.as3741.net 146.64.58.41 2 u 156 1024 377 22.850 0.184 0.391
+ntp2.as3741.net 146.64.8.7 2 u 545 1024 377 7.265 0.331 0.387
-ntp2.inx.net.za 210.182.58.253 2 u 425 1024 377 7.892 0.534 0.376
+102.222.100.153 155.232.19.7 2 u 396 1024 377 7.905 0.338 0.455
+ntp5.inx.net.za 183.3.52.101 2 u 37 1024 377 7.992 0.298 0.275
+flipping.cloudh 80.72.67.48 3 u 747 1024 377 8.093 0.097 0.244
+102.216.37.99 ( 183.3.52.101 2 u 186 1024 377 73.590 0.353 0.369
#jnb.clearnet.pw 102.176.229.251 2 u 624 1024 377 22.720 3.103 2.974
Thu Jan 22 18:47:45 SAST 2026 [elapsed=8 sec] DISKS
200GB available in /atlas/obs...OK (6018GB)
200GB available in /atlas/red...OK (8726GB)
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 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 5.1T 8.4T 38% /
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
Thu Jan 22 18:47:46 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
Thu Jan 22 18:47:46 SAST 2026 [elapsed=9 sec] Disabling mount tracking.
Thu Jan 22 18:47:46 SAST 2026 [elapsed=9 sec] SERVICES2
Thu Jan 22 18:47:46 SAST 2026 [elapsed=9 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Jan 22 18:47:50 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= 924kB time=00:00:29.56 bitrate= 256.0kbits/s speed=1.52e+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 Jan 22 18:50:55 SAST 2026 [elapsed=198 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: 33.50 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Thu Jan 22 18:51:53 SAST 2026 [elapsed=256 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Jan 22 18:52:14 SAST 2026 [elapsed=277 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.7 IDLE
Thu Jan 22 18:52:14 SAST 2026 [elapsed=277 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 (-53.9C)
Checking CCD plane: Z0=+1782.00 DZDX=-901.00 DZDY=+4076.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Jan 22 18:52:14 SAST 2026 [elapsed=277 sec] WEATHER
status weather: clear 20.5C 29% 27/45kph@303 DP16.1C/-76C/d IDLE
...OK
Thu Jan 22 18:52:14 SAST 2026 [elapsed=277 sec] MET
status...OK
met: c=N o=N Ro18d Co5d Ws0 Ho3d To23d Do8d wait W IDLE
Thu Jan 22 18:52:14 SAST 2026 [elapsed=277 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Jan 22 18:52:14 SAST 2026 [elapsed=277 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 62.43 -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 -1 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 110 1.2%
A 0.081s 392 4.3%
A 0.111s 732 8.0%
A 0.142s 1191 13.0%
A 0.172s 1785 19.5%
A 0.202s 2465 26.9%
A 0.232s 3260 35.6%
A 0.263s 4165 45.5%
A 0.293s 5115 55.9%
A 0.323s 5989 65.4%
A 0.354s 6778 74.0%
A 0.384s 7442 81.3%
A 0.414s 8001 87.4%
A 0.444s 8463 92.5%
A 0.475s 8791 96.0%
A 0.505s 9022 98.6%
A 0.535s 9149 99.9%
B 0.020s 1 0.0%
B 0.051s 98 1.1%
B 0.081s 385 4.2%
B 0.111s 726 7.9%
B 0.142s 1198 13.1%
B 0.172s 1778 19.4%
B 0.202s 2492 27.2%
B 0.233s 3284 35.9%
B 0.263s 4199 45.9%
B 0.294s 5104 55.8%
B 0.324s 6020 65.8%
B 0.354s 6797 74.3%
B 0.384s 7455 81.4%
B 0.415s 8026 87.7%
B 0.445s 8467 92.5%
B 0.475s 8805 96.2%
B 0.506s 9053 98.9%
B 0.536s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9061 99.0%
A 0.081s 8771 95.8%
A 0.111s 8415 91.9%
A 0.141s 7967 87.0%
A 0.171s 7372 80.5%
A 0.202s 6693 73.1%
A 0.232s 5896 64.4%
A 0.262s 5012 54.8%
A 0.292s 4043 44.2%
A 0.323s 3165 34.6%
A 0.353s 2401 26.2%
A 0.383s 1711 18.7%
A 0.413s 1148 12.5%
A 0.444s 699 7.6%
A 0.474s 356 3.9%
A 0.504s 131 1.4%
A 0.535s 13 0.1%
A 0.565s -6 0.0%
B 0.020s 9146 99.9%
B 0.050s 9033 98.7%
B 0.081s 8771 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 5896 64.4%
B 0.262s 4983 54.4%
B 0.293s 4055 44.3%
B 0.323s 3161 34.5%
B 0.353s 2384 26.0%
B 0.383s 1713 18.7%
B 0.414s 1141 12.5%
B 0.444s 699 7.6%
B 0.474s 358 3.9%
B 0.504s 128 1.4%
B 0.535s 12 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 99.9 percent in 0.535 seconds.
Shutter B opened to 99.9 percent in 0.536 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= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.14e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9257 IDLE
Thu Jan 22 18:52:53 SAST 2026 [elapsed=316 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.7 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Jan 22 18:53 /atlas/obs/03a/61063/03a61063e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Jan 22 18:53:16 SAST 2026 [elapsed=339 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (89 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Jan 22 18:53:16 SAST 2026 [elapsed=339 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61062.70366163|info|galildriver|using focus model: foc=9187+(4.30)*22.2+(-0.40)*60.2=9258.4
61062.70366653|info|galildriver|o 2 IN | cass: 3047855 15.24 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54010928 9258 um b=2f [cmd]
bestfocus for o...OK
Thu Jan 22 18:53:17 SAST 2026 [elapsed=340 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Jan 22 18:53:46 SAST 2026 [elapsed=369 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 Jan 22 18:53:47 SAST 2026 [elapsed=370 sec] NOTICES: det_dzdx=-901 is outside range +-250 from -558; det_dzdy=4076 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 Jan 22 18:53:47 SAST 2026 [elapsed=370 sec] Happy observing!
Thu Jan 22 18:53:47 SAST 2026 [elapsed=370 sec] Preflight took 370 seconds to complete.
Thu Jan 22 18:53:47 SAST 2026 [elapsed=370 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 110 1.2% A 0.081s 374 4.1% A 0.111s 718 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 5076 55.5% A 0.322s 5963 65.1% A 0.353s 6756 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 9025 98.6% A 0.535s 9137 99.8% A 0.565s 9151 100.0% B 0.020s 2 0.0% B 0.050s 104 1.1% B 0.081s 371 4.1% B 0.111s 715 7.8% B 0.141s 1186 13.0% B 0.171s 1754 19.2% B 0.202s 2443 26.7% B 0.232s 3239 35.4% B 0.262s 4136 45.2% B 0.292s 5074 55.4% B 0.323s 5962 65.1% B 0.353s 6749 73.7% B 0.383s 7419 81.0% B 0.413s 7985 87.2% B 0.444s 8442 92.2% B 0.474s 8786 96.0% B 0.504s 9018 98.5% B 0.535s 9135 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9040 98.8% A 0.081s 8767 95.8% A 0.111s 8413 91.9% A 0.141s 7944 86.8% A 0.172s 7358 80.4% A 0.202s 6666 72.8% A 0.232s 5869 64.1% A 0.262s 4946 54.0% A 0.293s 4011 43.8% A 0.323s 3139 34.3% A 0.353s 2358 25.8% A 0.383s 1695 18.5% A 0.414s 1126 12.3% A 0.444s 680 7.4% A 0.474s 349 3.8% A 0.504s 119 1.3% A 0.535s 13 0.1% A 0.565s 2 0.0% B 0.020s 9146 99.9% B 0.050s 9023 98.6% B 0.081s 8780 95.9% B 0.111s 8434 92.1% B 0.141s 7968 87.0% B 0.171s 7398 80.8% B 0.201s 6712 73.3% B 0.232s 5921 64.7% B 0.262s 5012 54.8% B 0.292s 4081 44.6% B 0.322s 3191 34.9% B 0.353s 2417 26.4% B 0.383s 1726 18.9% B 0.413s 1178 12.9% B 0.443s 726 7.9% B 0.474s 365 4.0% B 0.504s 144 1.6% B 0.534s 18 0.2% B 0.565s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R