STH Recent Preflight: 61032
Executing preflight for 61032 at Mon Dec 22 18:46:37 SAST 2025.
Log can be found in /atlas/obs/03/61032/preflight.dat.
Setting donefile '/atlas/obs/03/61032/preflight_complete.20251222164637.686' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20251222164637.686.
Mon Dec 22 18:46:37 SAST 2025 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Dec 22 18:46:37 SAST 2025 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [08b40a44-2863-4cb9-a643-ea52453d4cdf;1800]
Mon Dec 22 18:46:37 SAST 2025 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Dec 22 18:46:38 SAST 2025 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Dec 22 18:46:38 SAST 2025 [elapsed=1 sec] auxcam is disabled.
Mon Dec 22 18:46:38 SAST 2025 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Dec 22 18:46:38 SAST 2025 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1766421993
OK
Mon Dec 22 18:46:38 SAST 2025 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Dec 22 18:46:38 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 22 18:46:40 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 22 18:46:40 SAST 2025 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Dec 22 18:46:40 SAST 2025 [elapsed=3 sec] CLOCKS
admin: Mon Dec 22 16:46:40 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 341 1024 77 1.014 0.077 0.089
*metbox2.sth.atl .PPS. 1 u 262 1024 377 0.265 0.030 0.048
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-146.64.24.58 208.219.48.14 2 u 928 1024 377 23.372 0.202 0.409
+ntp.as3741.net 146.64.8.7 2 u 30 1024 377 22.893 0.046 0.199
+ntp2.as3741.net 146.64.8.7 2 u 56 1024 377 7.270 0.068 0.053
-ntp2.inx.net.za 210.182.58.253 2 u 745 1024 377 7.141 0.116 0.064
-102.222.100.153 196.21.187.2 2 u 791 1024 377 7.697 0.498 0.341
-za-jnb-rs01b.dp 210.182.58.253 2 u 808 1024 377 22.987 -0.006 1.042
+tick.sanren.ac. .TC. 1 u 389 1024 377 23.288 0.053 0.060
#ntp.urbanwave.c 155.232.19.6 2 u 25 1024 377 22.760 0.875 0.562
-ntp4.inx.net.za 210.182.58.253 2 u 1006 1024 377 23.077 0.155 0.102
Mon Dec 22 18:47:01 SAST 2025 [elapsed=24 sec] DISKS
200GB available in /atlas/obs...OK (5963GB)
200GB available in /atlas/red...OK (8815GB)
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 8.5T 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 Dec 22 18:47:02 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
Mon Dec 22 18:47:02 SAST 2025 [elapsed=25 sec] Disabling mount tracking.
Mon Dec 22 18:47:02 SAST 2025 [elapsed=25 sec] SERVICES2
Mon Dec 22 18:47:03 SAST 2025 [elapsed=26 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Dec 22 18:47:07 SAST 2025 [elapsed=30 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
Mon Dec 22 18:50:24 SAST 2025 [elapsed=227 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: 2.82 -29.49, az/alt=324.69 +86.49 idle(e) IDLE
Mon Dec 22 18:51:22 SAST 2025 [elapsed=285 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Dec 22 18:51:44 SAST 2025 [elapsed=307 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Mon Dec 22 18:51:44 SAST 2025 [elapsed=307 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=+4531.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Dec 22 18:51:44 SAST 2025 [elapsed=307 sec] WEATHER
status weather: W 25.4C 10% 33/39kph@297 DP33.0C/36C/d IDLE
...OK
Mon Dec 22 18:51:44 SAST 2025 [elapsed=307 sec] MET
status...OK
met: c=N o=Y Ro23d Co1d Wo5d Ho13h To23d Do23d IDLE
Mon Dec 22 18:51:44 SAST 2025 [elapsed=307 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Dec 22 18:51:44 SAST 2025 [elapsed=307 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 31.74 -14.63, az/alt=59.89 +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 9 0.1%
A 0.051s 118 1.3%
A 0.081s 394 4.3%
A 0.111s 745 8.1%
A 0.141s 1209 13.2%
A 0.171s 1806 19.7%
A 0.202s 2489 27.2%
A 0.232s 3259 35.6%
A 0.262s 4164 45.5%
A 0.292s 5145 56.2%
A 0.323s 6018 65.7%
A 0.353s 6802 74.3%
A 0.383s 7458 81.5%
A 0.414s 8016 87.6%
A 0.444s 8477 92.6%
A 0.474s 8799 96.1%
A 0.505s 9045 98.8%
A 0.535s 9152 100.0%
B 0.020s 1 0.0%
B 0.050s 98 1.1%
B 0.081s 386 4.2%
B 0.111s 727 7.9%
B 0.141s 1198 13.1%
B 0.171s 1778 19.4%
B 0.202s 2443 26.7%
B 0.232s 3259 35.6%
B 0.262s 4323 47.2%
B 0.292s 5104 55.8%
B 0.323s 5992 65.5%
B 0.353s 6776 74.0%
B 0.383s 7474 81.6%
B 0.414s 8009 87.5%
B 0.444s 8454 92.4%
B 0.474s 8794 96.1%
B 0.504s 9021 98.5%
B 0.535s 9142 99.9%
B 0.565s 9157 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9040 98.8%
A 0.081s 8771 95.8%
A 0.111s 8413 91.9%
A 0.141s 7966 87.0%
A 0.172s 7372 80.5%
A 0.202s 6692 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 1148 12.5%
A 0.444s 698 7.6%
A 0.474s 356 3.9%
A 0.504s 129 1.4%
A 0.535s 13 0.1%
A 0.565s -6 0.0%
B 0.020s 9146 99.9%
B 0.050s 9029 98.6%
B 0.081s 8768 95.8%
B 0.111s 8422 92.0%
B 0.141s 7953 86.9%
B 0.171s 7378 80.6%
B 0.202s 6692 73.1%
B 0.232s 5894 64.4%
B 0.262s 4982 54.4%
B 0.293s 4049 44.2%
B 0.323s 3166 34.6%
B 0.353s 2382 26.0%
B 0.383s 1715 18.7%
B 0.414s 1140 12.5%
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 -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 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=1.15e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[1] foc=9267 IDLE
Mon Dec 22 18:52:23 SAST 2025 [elapsed=346 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
124M Dec 22 18:52 /atlas/obs/03a/61032/03a61032e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Dec 22 18:52:46 SAST 2025 [elapsed=369 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (54 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Dec 22 18:52:46 SAST 2025 [elapsed=369 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61031.70331713|info|galildriver|using focus model: foc=9187+(4.30)*24.8+(-0.40)*60.2=9269.5
61031.70332203|info|galildriver|c 1 IN | cass: 17606 0.09 mm b=23 move=NO | arm: 408880 476.00 mm b=03 move=OK | foc: 54012900 9268 um b=2f [cmd]
bestfocus for c...OK
Mon Dec 22 18:52:48 SAST 2025 [elapsed=371 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Dec 22 18:53:18 SAST 2025 [elapsed=401 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 22 18:53:20 SAST 2025 [elapsed=403 sec] NOTICES: det_dzdx=-907 is outside range +-250 from -558; det_dzdy=4531 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 22 18:53:20 SAST 2025 [elapsed=403 sec] Happy observing!
Mon Dec 22 18:53:20 SAST 2025 [elapsed=403 sec] Preflight took 403 seconds to complete.
Mon Dec 22 18:53:20 SAST 2025 [elapsed=403 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 0.050s 108 1.2% A 0.081s 373 4.1% A 0.111s 718 7.8% A 0.141s 1181 12.9% A 0.171s 1760 19.2% A 0.201s 2442 26.7% A 0.232s 3238 35.4% A 0.262s 4113 44.9% A 0.292s 5078 55.5% A 0.322s 5963 65.1% A 0.353s 6757 73.8% A 0.383s 7412 81.0% A 0.413s 7992 87.3% A 0.443s 8445 92.3% A 0.473s 8769 95.8% A 0.504s 9017 98.5% A 0.534s 9136 99.8% A 0.564s 9151 100.0% B 0.020s 0 0.0% B 0.050s 120 1.3% B 0.081s 379 4.1% B 0.111s 727 7.9% B 0.141s 1201 13.1% B 0.171s 1772 19.4% B 0.202s 2465 26.9% B 0.232s 3268 35.7% B 0.262s 4199 45.9% B 0.293s 5103 55.7% B 0.323s 5986 65.4% B 0.353s 6771 74.0% B 0.383s 7442 81.3% B 0.414s 8001 87.4% B 0.444s 8456 92.4% B 0.474s 8796 96.1% B 0.504s 9023 98.6% B 0.535s 9138 99.8% B 0.565s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9149 99.9% A 0.050s 9045 98.8% A 0.081s 8774 95.8% A 0.111s 8422 92.0% A 0.141s 7959 86.9% A 0.171s 7377 80.6% A 0.202s 6687 73.1% A 0.232s 5896 64.4% A 0.262s 4976 54.4% A 0.292s 4037 44.1% A 0.323s 3138 34.3% A 0.353s 2380 26.0% A 0.383s 1716 18.7% A 0.413s 1143 12.5% A 0.444s 693 7.6% A 0.474s 359 3.9% A 0.504s 124 1.4% A 0.534s 15 0.2% A 0.565s 3 0.0% B 0.020s 9144 99.9% B 0.050s 9009 98.4% B 0.081s 8762 95.7% B 0.111s 8408 91.9% B 0.141s 7936 86.7% B 0.171s 7357 80.4% B 0.202s 6641 72.5% B 0.232s 5863 64.0% B 0.262s 4951 54.1% B 0.292s 4024 44.0% B 0.323s 3031 33.1% B 0.353s 2367 25.9% B 0.383s 1704 18.6% B 0.413s 1148 12.5% B 0.443s 700 7.6% B 0.474s 358 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