STH Recent Preflight: 61018
Executing preflight for 61018 at Mon Dec 8 18:37:53 SAST 2025.
Log can be found in /atlas/obs/03/61018/preflight.dat.
Setting donefile '/atlas/obs/03/61018/preflight_complete.20251208163753.686' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20251208163753.686.
Mon Dec 8 18:37:53 SAST 2025 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Dec 8 18:37:53 SAST 2025 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [2cb59a63-eec8-4d4c-a2b6-910b325cce6f;1800]
Mon Dec 8 18:37:53 SAST 2025 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Dec 8 18:37:54 SAST 2025 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Dec 8 18:37:54 SAST 2025 [elapsed=1 sec] auxcam is disabled.
Mon Dec 8 18:37:54 SAST 2025 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Dec 8 18:37:54 SAST 2025 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1765211871
OK
Mon Dec 8 18:37:54 SAST 2025 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Dec 8 18:37:54 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
Mon Dec 8 18:37:56 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
Mon Dec 8 18:37:56 SAST 2025 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Dec 8 18:37:56 SAST 2025 [elapsed=3 sec] CLOCKS
admin: Mon Dec 8 16:37:56 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 856 1024 377 1.099 0.015 0.099
+metbox2.sth.atl .PPS. 1 u 305 1024 377 0.287 -0.026 0.060
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 847 1024 377 23.312 0.412 0.518
-ntp.as3741.net 146.64.8.7 2 u 1041 1024 377 22.795 -0.134 0.404
+ntp2.as3741.net 146.64.8.7 2 u 901 1024 377 7.298 -0.031 0.109
-ntp2.inx.net.za 183.3.52.101 2 u 957 1024 377 7.157 0.096 0.065
-102.222.100.153 155.232.19.6 2 u 445 1024 377 7.785 -0.037 0.816
-za-jnb-rs01b.dp 210.182.58.253 2 u 192 1024 377 24.805 1.504 0.972
+tick.sanren.ac. .TC. 1 u 696 1024 377 23.286 0.017 0.063
#ntp.urbanwave.c 155.232.19.7 2 u 874 1024 377 22.727 -2.598 1.607
-ntp4.inx.net.za 210.182.58.253 2 u 198 1024 377 22.991 0.255 0.186
Mon Dec 8 18:37:58 SAST 2025 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5829GB)
200GB available in /atlas/red...OK (8672GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.7T 5.6T 46% /
admin:/dev/loop0 105M 105M 0 100% /snap/core/17212
admin:/dev/loop1 105M 105M 0 100% /snap/core/17247
archon:/dev/sda2 117G 21G 91G 19% /
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
archon:/dev/loop1 105M 105M 0 100% /snap/core/17212
archon:/dev/loop0 105M 105M 0 100% /snap/core/17247
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 5.1T 8.3T 39% /
proc1:/dev/loop0 105M 105M 0 100% /snap/core/17212
proc1:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc2:/dev/md0p1 15T 1.7T 12T 13% /
proc2:/dev/loop1 105M 105M 0 100% /snap/core/17212
proc2:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc3:/dev/md0p1 15T 733G 13T 6% /
proc3:/dev/loop0 105M 105M 0 100% /snap/core/17212
proc3:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc4:/dev/md0p1 15T 1.1T 13T 8% /
proc4:/dev/loop0 105M 105M 0 100% /snap/core/17212
proc4:/dev/loop1 105M 105M 0 100% /snap/core/17247
Mon Dec 8 18:37:58 SAST 2025 [elapsed=5 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 Dec 8 18:37:58 SAST 2025 [elapsed=5 sec] Disabling mount tracking.
Mon Dec 8 18:37:59 SAST 2025 [elapsed=6 sec] SERVICES2
Mon Dec 8 18:37:59 SAST 2025 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Dec 8 18:38:03 SAST 2025 [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= 914kB time=00:00:29.24 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 Dec 8 18:40:32 SAST 2025 [elapsed=159 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: 346.55 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Mon Dec 8 18:41:30 SAST 2025 [elapsed=217 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Dec 8 18:41:51 SAST 2025 [elapsed=238 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.6 IDLE
Mon Dec 8 18:41:51 SAST 2025 [elapsed=238 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 (-53.7C)
Checking CCD plane: Z0=+1794.00 DZDX=-902.00 DZDY=+4343.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Dec 8 18:41:51 SAST 2025 [elapsed=238 sec] WEATHER
status weather: clear 23.7C 17% 28/38kph@293 DP25.6C/-24C/d IDLE
...OK
Mon Dec 8 18:41:52 SAST 2025 [elapsed=239 sec] MET
status...OK
met: c=N o=Y Ro9d Co1d Wo9d Ho1d To9d Do9d IDLE
Mon Dec 8 18:41:52 SAST 2025 [elapsed=239 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Dec 8 18:41:52 SAST 2025 [elapsed=239 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 15.47 -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 8 0.1%
A 0.051s 103 1.1%
A 0.081s 383 4.2%
A 0.111s 723 7.9%
A 0.141s 1173 12.8%
A 0.172s 1763 19.3%
A 0.202s 2443 26.7%
A 0.232s 3232 35.3%
A 0.263s 4134 45.2%
A 0.293s 5086 55.6%
A 0.323s 5962 65.1%
A 0.353s 6757 73.8%
A 0.384s 7419 81.0%
A 0.414s 7980 87.2%
A 0.444s 8453 92.3%
A 0.475s 8781 95.9%
A 0.505s 9021 98.5%
A 0.535s 9151 100.0%
B 0.020s 2 0.0%
B 0.050s 106 1.2%
B 0.081s 397 4.3%
B 0.111s 741 8.1%
B 0.141s 1216 13.3%
B 0.171s 1799 19.7%
B 0.202s 2491 27.2%
B 0.232s 3287 35.9%
B 0.262s 4198 45.9%
B 0.293s 5133 56.1%
B 0.323s 6019 65.8%
B 0.353s 6798 74.3%
B 0.384s 7454 81.4%
B 0.414s 8026 87.7%
B 0.444s 8465 92.5%
B 0.474s 8805 96.2%
B 0.505s 9032 98.7%
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 0.051s 9067 99.0%
A 0.081s 8780 95.9%
A 0.111s 8426 92.0%
A 0.141s 7967 87.0%
A 0.172s 7392 80.8%
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 3165 34.6%
A 0.353s 2376 26.0%
A 0.384s 1732 18.9%
A 0.414s 1149 12.6%
A 0.444s 710 7.8%
A 0.474s 365 4.0%
A 0.505s 137 1.5%
A 0.535s 15 0.2%
A 0.565s -7 0.0%
B 0.020s 9146 99.9%
B 0.050s 9033 98.7%
B 0.081s 8769 95.8%
B 0.111s 8424 92.0%
B 0.141s 7956 86.9%
B 0.172s 7379 80.6%
B 0.202s 6694 73.1%
B 0.232s 5894 64.4%
B 0.262s 4983 54.4%
B 0.293s 4054 44.3%
B 0.323s 3163 34.6%
B 0.353s 2384 26.0%
B 0.384s 1715 18.7%
B 0.414s 1141 12.5%
B 0.444s 698 7.6%
B 0.474s 358 3.9%
B 0.505s 131 1.4%
B 0.535s 11 0.1%
B 0.565s -5 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 0.535 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=1.13e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9264 IDLE
Mon Dec 8 18:42:32 SAST 2025 [elapsed=279 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 Dec 8 18:42 /atlas/obs/03a/61018/03a61018e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Dec 8 18:42:54 SAST 2025 [elapsed=301 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (2 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Dec 8 18:42:54 SAST 2025 [elapsed=301 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61017.69646786|info|galildriver|using focus model: foc=9187+(4.30)*23.7+(-0.40)*60.2=9264.8
61017.69647275|info|galildriver|o 2 IN | cass: 3043424 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54012353 9265 um b=2f [cmd]
bestfocus for o...OK
Mon Dec 8 18:42:56 SAST 2025 [elapsed=303 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Dec 8 18:43:26 SAST 2025 [elapsed=333 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 Dec 8 18:43:27 SAST 2025 [elapsed=334 sec] NOTICES: det_dzdx=-902 is outside range +-250 from -558; det_dzdy=4343 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 Dec 8 18:43:27 SAST 2025 [elapsed=334 sec] Happy observing!
Mon Dec 8 18:43:27 SAST 2025 [elapsed=334 sec] Preflight took 334 seconds to complete.
Mon Dec 8 18:43:27 SAST 2025 [elapsed=334 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 123 1.3% A 0.081s 385 4.2% A 0.111s 744 8.1% A 0.141s 1215 13.3% A 0.171s 1781 19.5% A 0.202s 2464 26.9% A 0.232s 3264 35.7% A 0.262s 4175 45.6% A 0.292s 5108 55.8% A 0.322s 5991 65.4% A 0.353s 6780 74.1% A 0.383s 7431 81.2% A 0.413s 8010 87.5% A 0.443s 8458 92.4% A 0.473s 8786 96.0% A 0.504s 9029 98.6% A 0.534s 9139 99.8% A 0.564s 9152 100.0% B 0.020s 1 0.0% B 0.050s 112 1.2% B 0.081s 379 4.1% B 0.111s 726 7.9% B 0.141s 1201 13.1% B 0.171s 1772 19.4% B 0.201s 2442 26.7% B 0.232s 3241 35.4% B 0.262s 4166 45.5% B 0.292s 5101 55.7% B 0.323s 5988 65.4% B 0.353s 6773 74.0% B 0.383s 7440 81.3% B 0.413s 7985 87.2% B 0.443s 8444 92.2% B 0.474s 8786 96.0% B 0.504s 9018 98.5% B 0.534s 9136 99.8% B 0.564s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9149 99.9% A 0.050s 9050 98.9% A 0.081s 8785 96.0% A 0.111s 8435 92.1% A 0.141s 7975 87.1% A 0.171s 7399 80.8% A 0.201s 6710 73.3% A 0.232s 5924 64.7% A 0.262s 5038 55.0% A 0.292s 4067 44.4% A 0.322s 3193 34.9% A 0.352s 2425 26.5% A 0.383s 1756 19.2% A 0.413s 1159 12.7% A 0.443s 704 7.7% A 0.473s 378 4.1% A 0.504s 136 1.5% A 0.534s 17 0.2% A 0.564s 2 0.0% B 0.020s 9143 99.9% B 0.050s 9010 98.4% B 0.080s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.171s 7379 80.6% B 0.201s 6690 73.1% B 0.231s 5892 64.4% B 0.262s 4979 54.4% B 0.292s 4053 44.3% B 0.322s 3165 34.6% B 0.352s 2393 26.1% B 0.383s 1703 18.6% B 0.413s 1147 12.5% B 0.443s 700 7.6% B 0.473s 357 3.9% B 0.503s 138 1.5% B 0.534s 10 0.1% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R