STH Recent Preflight: 61060
Executing preflight for 61060 at Mon Jan 19 18:48:42 SAST 2026.
Log can be found in /atlas/obs/03/61060/preflight.dat.
Setting donefile '/atlas/obs/03/61060/preflight_complete.20260119164842.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260119164842.14431.
Mon Jan 19 18:48:42 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Jan 19 18:48:42 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [169cddf4-9d0a-4b6e-aa8d-62a6c79ee00d;1800]
Mon Jan 19 18:48:42 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Jan 19 18:48:43 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Jan 19 18:48:43 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Mon Jan 19 18:48:43 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Jan 19 18:48:43 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1768841319
OK
Mon Jan 19 18:48:43 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Jan 19 18:48:43 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 19 18:48:45 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 19 18:48:45 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Jan 19 18:48:45 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Mon Jan 19 16:48:46 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 720 1024 377 0.940 0.144 0.037
*metbox2.sth.atl .PPS. 1 u 456 1024 377 0.254 0.159 0.069
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 208.219.48.14 2 u 585 1024 377 24.323 0.172 0.882
+ntp.as3741.net 146.64.58.41 2 u 630 1024 377 22.894 0.140 0.025
-ntp2.as3741.net 146.64.8.7 2 u 15 1024 377 7.340 0.220 0.039
-ntp2.inx.net.za 210.182.58.253 2 u 605 1024 377 8.000 0.446 0.275
-102.222.100.153 155.232.19.6 2 u 946 1024 377 7.854 -0.607 0.736
-ntp5.inx.net.za 210.182.58.253 2 u 455 1024 377 7.960 0.138 0.023
-flipping.cloudh 80.72.67.48 3 u 290 1024 377 7.990 -0.246 0.230
-102.216.37.99 ( 183.3.52.101 2 u 669 1024 377 73.564 0.204 0.073
#jnb.clearnet.pw 196.21.187.2 2 u 66 1024 377 22.813 -1.083 16.435
Mon Jan 19 18:48:47 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6019GB)
200GB available in /atlas/red...OK (8806GB)
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 5.0T 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
Mon Jan 19 18:48:48 SAST 2026 [elapsed=6 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 19 18:48:48 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Mon Jan 19 18:48:48 SAST 2026 [elapsed=6 sec] SERVICES2
Mon Jan 19 18:48:48 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Jan 19 18:48:52 SAST 2026 [elapsed=10 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= 922kB time=00:00:29.50 bitrate= 256.0kbits/s speed=1.51e+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 19 18:51:59 SAST 2026 [elapsed=197 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: 30.81 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Mon Jan 19 18:52:57 SAST 2026 [elapsed=255 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Jan 19 18:53:18 SAST 2026 [elapsed=276 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.9 IDLE
Mon Jan 19 18:53:18 SAST 2026 [elapsed=276 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (1 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.1C)
Checking CCD plane: Z0=+1771.00 DZDX=-901.00 DZDY=+3783.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Jan 19 18:53:18 SAST 2026 [elapsed=276 sec] WEATHER
status weather: clear 20.1C 28% 20/31kph@186 DP18.1C/-52C/d IDLE
...OK
Mon Jan 19 18:53:18 SAST 2026 [elapsed=276 sec] MET
status...OK
met: c=N o=Y Ro15d Co2d Wo1d Ho11h To20d Do5d IDLE
Mon Jan 19 18:53:18 SAST 2026 [elapsed=276 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Jan 19 18:53:18 SAST 2026 [elapsed=276 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 59.74 -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 -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 9 0.1%
A 0.051s 117 1.3%
A 0.081s 403 4.4%
A 0.111s 745 8.1%
A 0.142s 1209 13.2%
A 0.172s 1803 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 6017 65.7%
A 0.354s 6824 74.5%
A 0.384s 7459 81.5%
A 0.414s 8016 87.6%
A 0.444s 8478 92.6%
A 0.475s 8799 96.1%
A 0.505s 9026 98.6%
A 0.535s 9154 100.0%
B 0.020s 2 0.0%
B 0.050s 105 1.1%
B 0.081s 396 4.3%
B 0.111s 727 7.9%
B 0.141s 1216 13.3%
B 0.171s 1798 19.6%
B 0.202s 2492 27.2%
B 0.232s 3284 35.9%
B 0.262s 4198 45.9%
B 0.293s 5132 56.1%
B 0.323s 5991 65.4%
B 0.353s 6799 74.3%
B 0.383s 7454 81.4%
B 0.414s 8026 87.7%
B 0.444s 8466 92.5%
B 0.474s 8806 96.2%
B 0.505s 9033 98.7%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9062 99.0%
A 0.081s 8772 95.8%
A 0.111s 8415 91.9%
A 0.141s 7967 87.0%
A 0.172s 7371 80.5%
A 0.202s 6693 73.1%
A 0.232s 5896 64.4%
A 0.263s 4982 54.4%
A 0.293s 4044 44.2%
A 0.323s 3167 34.6%
A 0.353s 2376 26.0%
A 0.384s 1711 18.7%
A 0.414s 1149 12.6%
A 0.444s 697 7.6%
A 0.474s 356 3.9%
A 0.505s 130 1.4%
A 0.535s 11 0.1%
A 0.565s -7 0.0%
B 0.020s 9145 99.9%
B 0.050s 9025 98.6%
B 0.081s 8760 95.7%
B 0.111s 8411 91.9%
B 0.141s 7939 86.7%
B 0.172s 7360 80.4%
B 0.202s 6670 72.9%
B 0.232s 5869 64.1%
B 0.262s 4985 54.5%
B 0.293s 4021 43.9%
B 0.323s 3139 34.3%
B 0.353s 2361 25.8%
B 0.384s 1694 18.5%
B 0.414s 1062 11.6%
B 0.444s 685 7.5%
B 0.474s 346 3.8%
B 0.505s 123 1.3%
B 0.535s 9 0.1%
A 1 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 99.9 percent in 0.535 seconds.
Shutter A closed to 0.0 percent in 0.565 seconds.
Shutter B closed to 0.1 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.17e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9253 IDLE
Mon Jan 19 18:54:01 SAST 2026 [elapsed=319 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.9 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Jan 19 18:54 /atlas/obs/03a/61060/03a61060e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Jan 19 18:54:23 SAST 2026 [elapsed=341 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (66 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Jan 19 18:54:23 SAST 2026 [elapsed=341 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61059.70444515|info|galildriver|using focus model: foc=9187+(4.30)*21.0+(-0.40)*60.2=9253.2
61059.70445005|info|galildriver|o 2 IN | cass: 3048764 15.24 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54010090 9254 um b=2f [cmd]
bestfocus for o...OK
Mon Jan 19 18:54:25 SAST 2026 [elapsed=343 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Jan 19 18:54:55 SAST 2026 [elapsed=373 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 19 18:54:56 SAST 2026 [elapsed=374 sec] NOTICES: det_dzdx=-901 is outside range +-250 from -558; det_dzdy=3783 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 19 18:54:56 SAST 2026 [elapsed=374 sec] Happy observing!
Mon Jan 19 18:54:56 SAST 2026 [elapsed=374 sec] Preflight took 374 seconds to complete.
Mon Jan 19 18:54:56 SAST 2026 [elapsed=374 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 117 1.3% A 0.081s 382 4.2% A 0.111s 731 8.0% A 0.141s 1197 13.1% A 0.171s 1780 19.4% A 0.202s 2465 26.9% A 0.232s 3265 35.7% A 0.262s 4175 45.6% A 0.292s 5107 55.8% A 0.322s 5990 65.4% A 0.353s 6779 74.1% A 0.383s 7431 81.2% A 0.413s 7991 87.3% A 0.443s 8447 92.3% A 0.473s 8778 95.9% A 0.504s 9024 98.6% A 0.534s 9138 99.8% A 0.564s 9151 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 379 4.1% B 0.111s 728 8.0% B 0.141s 1186 13.0% B 0.171s 1753 19.2% B 0.201s 2444 26.7% B 0.232s 3242 35.4% B 0.262s 4136 45.2% B 0.292s 5074 55.4% B 0.322s 5961 65.1% B 0.352s 6749 73.7% B 0.383s 7419 81.0% B 0.413s 7985 87.2% B 0.443s 8443 92.2% B 0.473s 8785 96.0% B 0.503s 9013 98.5% B 0.534s 9133 99.8% B 0.564s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9047 98.8% A 0.081s 8779 95.9% A 0.111s 8426 92.0% A 0.141s 7961 87.0% A 0.171s 7381 80.6% A 0.201s 6689 73.1% A 0.232s 5899 64.4% A 0.262s 4978 54.4% A 0.292s 4040 44.1% A 0.322s 3168 34.6% A 0.353s 2382 26.0% A 0.383s 1715 18.7% A 0.413s 1143 12.5% A 0.443s 693 7.6% A 0.474s 360 3.9% A 0.504s 124 1.4% A 0.534s 16 0.2% A 0.564s 4 0.0% B 0.020s 9144 99.9% B 0.050s 9018 98.5% B 0.081s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.171s 7380 80.6% B 0.201s 6690 73.1% B 0.232s 5892 64.4% B 0.262s 5010 54.7% B 0.292s 4083 44.6% B 0.322s 3192 34.9% B 0.352s 2417 26.4% B 0.383s 1723 18.8% B 0.413s 1162 12.7% B 0.443s 713 7.8% B 0.473s 365 4.0% B 0.504s 138 1.5% B 0.534s 18 0.2% B 0.564s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R