STH Recent Preflight: 61068
Executing preflight for 61068 at Tue Jan 27 18:44:57 SAST 2026.
Log can be found in /atlas/obs/03/61068/preflight.dat.
Setting donefile '/atlas/obs/03/61068/preflight_complete.20260127164457.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260127164457.14431.
Tue Jan 27 18:44:57 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Jan 27 18:44:57 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [de637664-cf72-458b-8da8-625ea4e91e54;1800]
Tue Jan 27 18:44:58 SAST 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue Jan 27 18:44:59 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Jan 27 18:44:59 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Tue Jan 27 18:44:59 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Tue Jan 27 18:44:59 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1769532299
OK
Tue Jan 27 18:44:59 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Tue Jan 27 18:44:59 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 Jan 27 18:45:00 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
Tue Jan 27 18:45:01 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Tue Jan 27 18:45:01 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Tue Jan 27 16:45:01 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 1039 1024 377 1.008 0.165 0.211
*metbox2.sth.atl .PPS. 1 u 237 1024 377 0.249 0.168 0.207
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 210.182.58.253 2 u 141 1024 377 24.356 0.666 0.599
+ntp.as3741.net 146.64.58.41 2 u 936 1024 377 22.980 0.220 0.334
+ntp2.as3741.net 146.64.8.7 2 u 614 1024 377 7.259 0.212 0.174
+ntp2.inx.net.za 183.3.52.101 2 u 12 1024 377 8.088 -0.320 0.547
-102.222.100.153 155.232.19.7 2 u 784 1024 377 7.848 2.389 2.473
+ntp5.inx.net.za 183.3.52.101 2 u 731 1024 377 8.093 0.273 0.265
+flipping.cloudh 80.72.67.48 3 u 132 1024 377 8.146 0.122 0.067
#102.216.37.99 ( 210.182.58.253 2 u 466 1024 377 73.661 3.956 0.134
-jnb.clearnet.pw 183.3.52.101 2 u 83 1024 377 22.769 0.808 0.546
Tue Jan 27 18:45:13 SAST 2026 [elapsed=16 sec] DISKS
200GB available in /atlas/obs...OK (5895GB)
200GB available in /atlas/red...OK (8659GB)
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 90G 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 8.3T 39% /
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
Tue Jan 27 18:45:13 SAST 2026 [elapsed=16 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 Jan 27 18:45:13 SAST 2026 [elapsed=16 sec] Disabling mount tracking.
Tue Jan 27 18:45:13 SAST 2026 [elapsed=16 sec] SERVICES2
Tue Jan 27 18:45:13 SAST 2026 [elapsed=16 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Jan 27 18:45:18 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= 934kB time=00:00:29.88 bitrate= 256.0kbits/s speed=1.43e+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 Jan 27 18:47:49 SAST 2026 [elapsed=172 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: 37.65 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Tue Jan 27 18:48:47 SAST 2026 [elapsed=230 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Jan 27 18:49:08 SAST 2026 [elapsed=251 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.6 IDLE
Tue Jan 27 18:49:08 SAST 2026 [elapsed=251 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (2 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.7C)
Checking CCD plane: Z0=+1792.00 DZDX=-901.00 DZDY=+4277.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Jan 27 18:49:08 SAST 2026 [elapsed=251 sec] WEATHER
status weather: clear 23.8C 11% 11/17kph@293 DP28.8C/-126C/d IDLE
...OK
Tue Jan 27 18:49:09 SAST 2026 [elapsed=252 sec] MET
status...OK
met: c=N o=Y Ro23d Co8h Wo4d Ho4d To28d Do13d IDLE
Tue Jan 27 18:49:09 SAST 2026 [elapsed=252 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Jan 27 18:49:09 SAST 2026 [elapsed=252 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 66.58 -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 117 1.3%
A 0.081s 404 4.4%
A 0.111s 746 8.1%
A 0.142s 1209 13.2%
A 0.172s 1803 19.7%
A 0.202s 2489 27.2%
A 0.233s 3288 35.9%
A 0.263s 4194 45.8%
A 0.293s 5143 56.2%
A 0.324s 6047 66.1%
A 0.354s 6825 74.6%
A 0.384s 7477 81.7%
A 0.415s 8017 87.6%
A 0.445s 8489 92.7%
A 0.475s 8807 96.2%
A 0.506s 9035 98.7%
A 0.536s 9154 100.0%
B 0.020s 2 0.0%
B 0.050s 106 1.2%
B 0.081s 396 4.3%
B 0.111s 739 8.1%
B 0.141s 1216 13.3%
B 0.171s 1798 19.6%
B 0.202s 2491 27.2%
B 0.232s 3285 35.9%
B 0.262s 4198 45.9%
B 0.293s 5133 56.1%
B 0.323s 6021 65.8%
B 0.353s 6796 74.2%
B 0.383s 7456 81.5%
B 0.414s 8026 87.7%
B 0.444s 8466 92.5%
B 0.474s 8805 96.2%
B 0.504s 9053 98.9%
B 0.535s 9144 99.9%
B 0.565s 9158 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9062 99.0%
A 0.081s 8781 95.9%
A 0.111s 8414 91.9%
A 0.141s 7968 87.0%
A 0.172s 7370 80.5%
A 0.202s 6692 73.1%
A 0.232s 5897 64.4%
A 0.262s 4983 54.4%
A 0.293s 4043 44.2%
A 0.323s 3167 34.6%
A 0.353s 2376 26.0%
A 0.384s 1711 18.7%
A 0.414s 1150 12.6%
A 0.444s 696 7.6%
A 0.474s 355 3.9%
A 0.505s 133 1.5%
A 0.535s 12 0.1%
A 0.565s -8 0.0%
B 0.020s 9147 99.9%
B 0.050s 9039 98.7%
B 0.081s 8769 95.8%
B 0.111s 8422 92.0%
B 0.141s 7956 86.9%
B 0.171s 7379 80.6%
B 0.202s 6717 73.4%
B 0.232s 5897 64.4%
B 0.262s 5015 54.8%
B 0.292s 4051 44.3%
B 0.323s 3193 34.9%
B 0.353s 2407 26.3%
B 0.383s 1715 18.7%
B 0.414s 1159 12.7%
B 0.444s 697 7.6%
B 0.474s 356 3.9%
B 0.504s 129 1.4%
B 0.535s 13 0.1%
B 0.565s -4 0.0%
A 1 0.0mm 15 N F R | B -4 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.536 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= 226kB time=00:00:07.23 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=9262 IDLE
Tue Jan 27 18:49:49 SAST 2026 [elapsed=292 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.6 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Jan 27 18:50 /atlas/obs/03a/61068/03a61068e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Jan 27 18:50:11 SAST 2026 [elapsed=314 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (84 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Jan 27 18:50:11 SAST 2026 [elapsed=314 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61067.70152985|info|galildriver|using focus model: foc=9187+(4.30)*23.6+(-0.40)*60.2=9264.4
61067.70153475|info|galildriver|o 2 IN | cass: 3046886 15.23 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54011916 9263 um b=2f [cmd]
bestfocus for o...OK
Tue Jan 27 18:50:13 SAST 2026 [elapsed=316 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Jan 27 18:50:43 SAST 2026 [elapsed=346 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 Jan 27 18:50:45 SAST 2026 [elapsed=348 sec] NOTICES: det_dzdx=-901 is outside range +-250 from -558; det_dzdy=4277 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 Jan 27 18:50:45 SAST 2026 [elapsed=348 sec] Happy observing!
Tue Jan 27 18:50:45 SAST 2026 [elapsed=348 sec] Preflight took 348 seconds to complete.
Tue Jan 27 18:50:45 SAST 2026 [elapsed=348 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 0.051s 122 1.3% A 0.082s 395 4.3% A 0.112s 756 8.3% A 0.143s 1232 13.5% A 0.173s 1824 19.9% A 0.203s 2513 27.5% A 0.234s 3320 36.3% A 0.264s 4236 46.3% A 0.294s 5164 56.4% A 0.325s 6046 66.0% A 0.355s 6825 74.6% A 0.386s 7490 81.8% A 0.416s 8060 88.0% A 0.447s 8492 92.8% A 0.477s 8824 96.4% A 0.508s 9050 98.9% A 0.538s 9143 99.9% A 0.569s 9150 100.0% B 0.020s 0 0.0% B 0.051s 121 1.3% B 0.081s 390 4.3% B 0.111s 755 8.2% B 0.142s 1235 13.5% B 0.172s 1814 19.8% B 0.203s 2514 27.5% B 0.234s 3321 36.3% B 0.264s 4259 46.5% B 0.295s 5191 56.7% B 0.326s 6095 66.6% B 0.356s 6864 75.0% B 0.387s 7517 82.1% B 0.418s 8082 88.3% B 0.448s 8518 93.1% B 0.479s 8840 96.6% B 0.509s 9049 98.9% B 0.539s 9148 99.9% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.051s 9042 98.8% A 0.081s 8768 95.8% A 0.111s 8411 91.9% A 0.141s 7945 86.8% A 0.172s 7338 80.2% A 0.202s 6641 72.5% A 0.233s 5843 63.8% A 0.263s 4915 53.7% A 0.294s 3983 43.5% A 0.324s 3114 34.0% A 0.355s 2312 25.3% A 0.385s 1657 18.1% A 0.416s 1095 12.0% A 0.446s 656 7.2% A 0.477s 333 3.6% A 0.507s 103 1.1% A 0.538s 10 0.1% A 0.568s 3 0.0% B 0.020s 9143 99.9% B 0.051s 9010 98.4% B 0.081s 8760 95.7% B 0.112s 8394 91.7% B 0.142s 7916 86.5% B 0.173s 7335 80.1% B 0.204s 6616 72.3% B 0.234s 5808 63.4% B 0.265s 4890 53.4% B 0.295s 3963 43.3% B 0.325s 3079 33.6% B 0.356s 2299 25.1% B 0.386s 1625 17.8% B 0.417s 1085 11.9% B 0.447s 650 7.1% B 0.478s 320 3.5% B 0.508s 105 1.1% B 0.539s 7 0.1% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R