STH Recent Preflight: 61029
Executing preflight for 61029 at Fri Dec 19 18:45:12 SAST 2025.
Log can be found in /atlas/obs/03/61029/preflight.dat.
Setting donefile '/atlas/obs/03/61029/preflight_complete.20251219164512.686' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20251219164512.686.
Fri Dec 19 18:45:12 SAST 2025 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Dec 19 18:45:12 SAST 2025 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [e3f77abe-a6cc-4a8e-8b2c-748a0b13282b;1800]
Fri Dec 19 18:45:12 SAST 2025 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Dec 19 18:45:13 SAST 2025 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Dec 19 18:45:13 SAST 2025 [elapsed=1 sec] auxcam is disabled.
Fri Dec 19 18:45:13 SAST 2025 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Dec 19 18:45:13 SAST 2025 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1766162709
OK
Fri Dec 19 18:45:13 SAST 2025 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Dec 19 18:45:13 SAST 2025 [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
Fri Dec 19 18:45:15 SAST 2025 [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
Fri Dec 19 18:45:15 SAST 2025 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Dec 19 18:45:15 SAST 2025 [elapsed=3 sec] CLOCKS
admin: Fri Dec 19 16:45:15 UTC 2025
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 850 1024 377 0.996 0.043 0.367
*metbox2.sth.atl .PPS. 1 u 94 1024 377 0.294 -0.005 0.024
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-146.64.24.58 208.219.48.14 2 u 166 1024 377 23.346 0.192 0.605
-ntp.as3741.net 146.64.8.7 2 u 702 1024 377 22.908 -0.103 0.092
+ntp2.as3741.net 146.64.8.7 2 u 880 1024 377 7.354 -0.003 0.339
-ntp2.inx.net.za 210.182.58.253 2 u 634 1024 377 7.299 -0.010 0.096
#102.222.100.153 155.232.19.7 2 u 430 1024 377 7.986 -0.559 0.606
-za-jnb-rs01b.dp 210.182.58.253 2 u 295 1024 377 23.098 0.175 0.609
+tick.sanren.ac. .TC. 1 u 773 1024 377 23.231 0.011 0.084
-ntp.urbanwave.c 155.232.19.7 2 u 550 1024 377 22.704 0.671 0.329
-ntp4.inx.net.za 183.3.52.101 2 u 356 1024 377 23.011 0.098 0.050
Fri Dec 19 18:45:37 SAST 2025 [elapsed=25 sec] DISKS
200GB available in /atlas/obs...OK (5920GB)
200GB available in /atlas/red...OK (8804GB)
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/loop1 105M 105M 0 100% /snap/core/17247
admin:/dev/loop2 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 34G 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
Fri Dec 19 18:45:37 SAST 2025 [elapsed=25 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
Fri Dec 19 18:45:37 SAST 2025 [elapsed=25 sec] Disabling mount tracking.
Fri Dec 19 18:45:37 SAST 2025 [elapsed=25 sec] SERVICES2
Fri Dec 19 18:45:37 SAST 2025 [elapsed=25 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Dec 19 18:45:41 SAST 2025 [elapsed=29 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=1.46e+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
Fri Dec 19 18:48:15 SAST 2025 [elapsed=183 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: 359.32 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Fri Dec 19 18:49:13 SAST 2025 [elapsed=241 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Dec 19 18:49:35 SAST 2025 [elapsed=263 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.4 IDLE
Fri Dec 19 18:49:35 SAST 2025 [elapsed=263 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (4 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.5C)
Checking CCD plane: Z0=+1802.00 DZDX=-907.00 DZDY=+4528.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Dec 19 18:49:35 SAST 2025 [elapsed=263 sec] WEATHER
status weather: clear 26.7C 12% 29/33kph@275 DP30.5C/-41C/d IDLE
...OK
Fri Dec 19 18:49:35 SAST 2025 [elapsed=263 sec] MET
status...OK
met: c=N o=Y Ro20d Co2d Wo2d Ho1d To20d Do20d IDLE
Fri Dec 19 18:49:35 SAST 2025 [elapsed=263 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Dec 19 18:49:37 SAST 2025 [elapsed=265 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 28.25 -14.63, az/alt=59.90 +60.06 tracking(w) IDLE 0s
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 7 0.1%
A 0.050s 110 1.2%
A 0.081s 385 4.2%
A 0.111s 722 7.9%
A 0.141s 1173 12.8%
A 0.171s 1765 19.3%
A 0.202s 2442 26.7%
A 0.232s 3259 35.6%
A 0.262s 4165 45.5%
A 0.293s 5115 55.9%
A 0.323s 5991 65.4%
A 0.354s 6779 74.1%
A 0.384s 7439 81.3%
A 0.414s 8000 87.4%
A 0.444s 8464 92.5%
A 0.475s 8790 96.0%
A 0.505s 9022 98.6%
A 0.535s 9149 99.9%
B 0.020s 1 0.0%
B 0.050s 92 1.0%
B 0.081s 377 4.1%
B 0.111s 715 7.8%
B 0.141s 1183 12.9%
B 0.171s 1759 19.2%
B 0.201s 2442 26.7%
B 0.232s 3232 35.3%
B 0.262s 4136 45.2%
B 0.292s 5076 55.5%
B 0.322s 5963 65.1%
B 0.353s 6753 73.8%
B 0.383s 7414 81.0%
B 0.413s 7976 87.1%
B 0.443s 8443 92.2%
B 0.474s 8785 96.0%
B 0.504s 9021 98.5%
B 0.534s 9144 99.9%
B 0.564s 9158 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.050s 9054 98.9%
A 0.081s 8759 95.7%
A 0.111s 8400 91.8%
A 0.141s 7951 86.9%
A 0.171s 7372 80.5%
A 0.202s 6548 71.5%
A 0.232s 5871 64.1%
A 0.262s 4983 54.4%
A 0.292s 4043 44.2%
A 0.323s 3083 33.7%
A 0.353s 2375 25.9%
A 0.383s 1711 18.7%
A 0.413s 1148 12.5%
A 0.444s 698 7.6%
A 0.474s 356 3.9%
A 0.504s 130 1.4%
A 0.534s 12 0.1%
A 0.565s -5 0.0%
B 0.020s 9145 99.9%
B 0.050s 8997 98.3%
B 0.081s 8758 95.7%
B 0.111s 8410 91.9%
B 0.141s 7938 86.7%
B 0.172s 7296 79.7%
B 0.202s 6670 72.9%
B 0.232s 5868 64.1%
B 0.262s 4955 54.1%
B 0.293s 4020 43.9%
B 0.323s 3141 34.3%
B 0.353s 2359 25.8%
B 0.384s 1694 18.5%
B 0.414s 1128 12.3%
B 0.444s 684 7.5%
B 0.474s 347 3.8%
B 0.504s 124 1.4%
B 0.535s 8 0.1%
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 100.0 percent in 0.564 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= 228kB time=00:00:07.29 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=c[1] foc=9269 IDLE
Fri Dec 19 18:50:20 SAST 2025 [elapsed=308 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.4 IDLE
taking preflight exposures:
acam...OK
acam image:
124M Dec 19 18:50 /atlas/obs/03a/61029/03a61029e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Dec 19 18:50:42 SAST 2025 [elapsed=330 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (20 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Dec 19 18:50:42 SAST 2025 [elapsed=330 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61028.70188660|info|galildriver|using focus model: foc=9187+(4.30)*25.1+(-0.40)*60.2=9270.8
61028.70189150|info|galildriver|c 1 IN | cass: 17437 0.09 mm b=23 move=NO | arm: 408880 476.00 mm b=03 move=OK | foc: 54013274 9269 um b=2f [cmd]
bestfocus for c...OK
Fri Dec 19 18:50:43 SAST 2025 [elapsed=331 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Dec 19 18:51:13 SAST 2025 [elapsed=361 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
Fri Dec 19 18:51:14 SAST 2025 [elapsed=362 sec] NOTICES: det_dzdx=-907 is outside range +-250 from -558; det_dzdy=4528 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Fri Dec 19 18:51:14 SAST 2025 [elapsed=362 sec] Happy observing!
Fri Dec 19 18:51:14 SAST 2025 [elapsed=362 sec] Preflight took 362 seconds to complete.
Fri Dec 19 18:51:14 SAST 2025 [elapsed=362 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 0.051s 117 1.3% A 0.081s 385 4.2% A 0.111s 731 8.0% A 0.141s 1198 13.1% A 0.172s 1781 19.5% A 0.202s 2465 26.9% A 0.232s 3265 35.7% A 0.262s 4174 45.6% A 0.293s 5107 55.8% A 0.323s 5991 65.4% A 0.353s 6802 74.3% A 0.384s 7451 81.4% A 0.414s 8010 87.5% A 0.444s 8516 93.0% A 0.474s 8787 96.0% A 0.505s 9034 98.7% A 0.535s 9138 99.8% A 0.565s 9151 100.0% B 0.020s 0 0.0% B 0.051s 120 1.3% B 0.081s 388 4.2% B 0.111s 741 8.1% B 0.141s 1219 13.3% B 0.171s 1793 19.6% B 0.202s 2488 27.2% B 0.232s 3295 36.0% B 0.262s 4200 45.9% B 0.293s 5132 56.1% B 0.323s 6014 65.7% B 0.353s 6794 74.2% B 0.383s 7461 81.5% B 0.413s 8019 87.6% B 0.444s 8456 92.4% B 0.474s 8796 96.1% B 0.504s 9022 98.6% B 0.534s 9138 99.8% B 0.565s 9154 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9040 98.8% A 0.081s 8765 95.8% A 0.111s 8409 91.9% A 0.141s 7959 86.9% A 0.171s 7378 80.6% A 0.202s 6687 73.1% A 0.232s 5897 64.4% A 0.262s 4945 54.0% A 0.293s 4009 43.8% A 0.323s 3085 33.7% A 0.353s 2358 25.8% A 0.384s 1697 18.5% A 0.414s 1128 12.3% A 0.444s 682 7.5% A 0.474s 351 3.8% A 0.505s 120 1.3% A 0.535s 14 0.2% A 0.565s 4 0.0% B 0.020s 9143 99.9% B 0.050s 9009 98.4% B 0.081s 8761 95.7% B 0.111s 8409 91.9% B 0.141s 7936 86.7% B 0.171s 7356 80.4% B 0.202s 6664 72.8% B 0.232s 5864 64.1% B 0.262s 4982 54.4% B 0.292s 4054 44.3% B 0.322s 3056 33.4% B 0.353s 2390 26.1% B 0.383s 1705 18.6% B 0.413s 1149 12.6% B 0.443s 700 7.6% B 0.474s 357 3.9% B 0.504s 133 1.5% B 0.534s 15 0.2% B 0.564s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R