STH Recent Preflight: 61022
Executing preflight for 61022 at Fri Dec 12 18:40:49 SAST 2025.
Log can be found in /atlas/obs/03/61022/preflight.dat.
Setting donefile '/atlas/obs/03/61022/preflight_complete.20251212164049.686' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20251212164049.686.
Fri Dec 12 18:40:49 SAST 2025 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Dec 12 18:40:49 SAST 2025 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [b45d4e2f-5cf6-4414-bf96-3920478aa123;1800]
Fri Dec 12 18:40:49 SAST 2025 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Dec 12 18:40:51 SAST 2025 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Dec 12 18:40:51 SAST 2025 [elapsed=2 sec] auxcam is disabled.
Fri Dec 12 18:40:51 SAST 2025 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Fri Dec 12 18:40:51 SAST 2025 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1765557642
OK
Fri Dec 12 18:40:51 SAST 2025 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Fri Dec 12 18:40:51 SAST 2025 [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
Fri Dec 12 18:40:53 SAST 2025 [elapsed=4 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 12 18:40:53 SAST 2025 [elapsed=4 sec] QUEUE
0 observations queued.
Fri Dec 12 18:40:53 SAST 2025 [elapsed=4 sec] CLOCKS
admin: Fri Dec 12 16:40:53 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 992 1024 177 0.998 0.066 0.080
+metbox2.sth.atl .PPS. 1 u 403 1024 377 0.288 0.031 0.075
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 805 1024 377 23.377 -0.094 0.773
-ntp.as3741.net 146.64.8.7 2 u 482 1024 377 22.854 0.027 0.094
-ntp2.as3741.net 146.64.8.7 2 u 85 1024 377 7.368 0.128 0.080
-ntp2.inx.net.za 183.3.52.101 2 u 343 1024 377 7.250 0.147 0.109
-102.222.100.153 196.21.187.2 2 u 78 1024 377 7.628 0.073 0.105
-za-jnb-rs01b.dp 183.3.52.101 2 u 425 1024 377 23.237 0.297 0.711
+tick.sanren.ac. .TC. 1 u 312 1024 377 23.249 0.132 0.089
#ntp.urbanwave.c 155.232.19.7 2 u 644 1024 377 22.844 1.221 0.498
-ntp4.inx.net.za 183.3.52.101 2 u 826 1024 377 23.049 0.072 0.093
Fri Dec 12 18:40:54 SAST 2025 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5951GB)
200GB available in /atlas/red...OK (8784GB)
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/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 5.0T 8.4T 38% /
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
Fri Dec 12 18:40:55 SAST 2025 [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
Fri Dec 12 18:40:55 SAST 2025 [elapsed=6 sec] Disabling mount tracking.
Fri Dec 12 18:40:55 SAST 2025 [elapsed=6 sec] SERVICES2
Fri Dec 12 18:40:55 SAST 2025 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Dec 12 18:40:59 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= 922kB time=00:00:29.50 bitrate= 256.0kbits/s speed=1.41e+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 12 18:44:12 SAST 2025 [elapsed=203 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: 351.41 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Fri Dec 12 18:45:11 SAST 2025 [elapsed=262 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Dec 12 18:45:36 SAST 2025 [elapsed=286 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.0 IDLE
Fri Dec 12 18:45:36 SAST 2025 [elapsed=287 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (6 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.3C)
Checking CCD plane: Z0=+1756.00 DZDX=-896.00 DZDY=+3494.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Dec 12 18:45:36 SAST 2025 [elapsed=287 sec] WEATHER
status weather: W 15.1C 43% 41/45kph@305 DP9.2C/-133C/d IDLE
...OK
Fri Dec 12 18:45:36 SAST 2025 [elapsed=287 sec] MET
status...OK
met: c=N o=N Ro13d Co5h Ws0 Ho2d To13d Do13d wait W IDLE
Fri Dec 12 18:45:36 SAST 2025 [elapsed=287 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Dec 12 18:45:38 SAST 2025 [elapsed=289 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 20.34 -14.63, az/alt=59.89 +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 -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 110 1.2%
A 0.081s 401 4.4%
A 0.111s 745 8.1%
A 0.142s 1208 13.2%
A 0.172s 1803 19.7%
A 0.202s 2489 27.2%
A 0.232s 3287 35.9%
A 0.263s 4194 45.8%
A 0.293s 5143 56.2%
A 0.323s 6018 65.7%
A 0.353s 6804 74.3%
A 0.384s 7458 81.5%
A 0.414s 8016 87.6%
A 0.444s 8479 92.6%
A 0.474s 8790 96.0%
A 0.505s 9021 98.5%
A 0.535s 9152 100.0%
B 0.020s 1 0.0%
B 0.050s 99 1.1%
B 0.081s 382 4.2%
B 0.111s 725 7.9%
B 0.141s 1197 13.1%
B 0.172s 1776 19.4%
B 0.202s 2466 26.9%
B 0.232s 3259 35.6%
B 0.262s 4168 45.5%
B 0.293s 5106 55.8%
B 0.323s 5990 65.4%
B 0.353s 6774 74.0%
B 0.384s 7435 81.2%
B 0.414s 8011 87.5%
B 0.444s 8455 92.4%
B 0.474s 8797 96.1%
B 0.505s 9028 98.6%
B 0.535s 9143 99.9%
B 0.565s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.051s 9057 98.9%
A 0.081s 8760 95.7%
A 0.111s 8402 91.8%
A 0.141s 7951 86.9%
A 0.171s 7351 80.3%
A 0.202s 6670 72.9%
A 0.232s 5897 64.4%
A 0.262s 4953 54.1%
A 0.292s 4044 44.2%
A 0.323s 3166 34.6%
A 0.353s 2377 26.0%
A 0.383s 1708 18.7%
A 0.413s 1147 12.5%
A 0.444s 700 7.6%
A 0.474s 355 3.9%
A 0.504s 130 1.4%
A 0.534s 13 0.1%
A 0.565s -8 0.0%
B 0.020s 9147 99.9%
B 0.050s 9034 98.7%
B 0.081s 8771 95.8%
B 0.111s 8425 92.0%
B 0.141s 7955 86.9%
B 0.171s 7378 80.6%
B 0.202s 6694 73.1%
B 0.232s 5895 64.4%
B 0.262s 4954 54.1%
B 0.293s 4021 43.9%
B 0.323s 3167 34.6%
B 0.353s 2361 25.8%
B 0.384s 1694 18.5%
B 0.414s 1125 12.3%
B 0.444s 696 7.6%
B 0.474s 356 3.9%
B 0.505s 127 1.4%
B 0.535s 11 0.1%
B 0.565s -6 0.0%
A 1 0.0mm 15 N F R | B -6 -0.2mm 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= 994x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[1] foc=9244 IDLE
Fri Dec 12 18:46:22 SAST 2025 [elapsed=333 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.0 IDLE
taking preflight exposures:
acam...OK
acam image:
124M Dec 12 18:46 /atlas/obs/03a/61022/03a61022e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Dec 12 18:46:44 SAST 2025 [elapsed=355 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (52 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Dec 12 18:46:44 SAST 2025 [elapsed=355 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61021.69913255|info|galildriver|using focus model: foc=9187+(4.30)*18.9+(-0.40)*60.2=9244.2
61021.69913745|info|galildriver|c 1 IN | cass: 21880 0.11 mm b=23 move=NO | arm: 408837 475.95 mm b=03 move=OK | foc: 54008277 9245 um b=2f [cmd]
bestfocus for c...OK
Fri Dec 12 18:46:46 SAST 2025 [elapsed=357 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Dec 12 18:47:15 SAST 2025 [elapsed=386 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 12 18:47:16 SAST 2025 [elapsed=387 sec] NOTICES: det_dzdx=-896 is outside range +-250 from -558; det_dzdy=3494 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 12 18:47:16 SAST 2025 [elapsed=387 sec] Happy observing!
Fri Dec 12 18:47:16 SAST 2025 [elapsed=387 sec] Preflight took 387 seconds to complete.
Fri Dec 12 18:47:16 SAST 2025 [elapsed=387 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 117 1.3% A 0.081s 374 4.1% A 0.111s 730 8.0% A 0.141s 1198 13.1% A 0.172s 1781 19.5% A 0.202s 2464 26.9% A 0.232s 3265 35.7% A 0.262s 4175 45.6% A 0.293s 5077 55.5% A 0.323s 5991 65.4% A 0.353s 6779 74.1% A 0.383s 7411 81.0% A 0.414s 7992 87.3% A 0.444s 8446 92.3% A 0.474s 8824 96.4% A 0.504s 9023 98.6% A 0.534s 9137 99.8% A 0.565s 9151 100.0% B 0.020s 0 0.0% B 0.050s 102 1.1% B 0.081s 368 4.0% B 0.111s 712 7.8% B 0.141s 1185 12.9% B 0.171s 1751 19.1% B 0.202s 2440 26.7% B 0.232s 3238 35.4% B 0.262s 4135 45.2% B 0.292s 5073 55.4% B 0.323s 5960 65.1% B 0.353s 6792 74.2% B 0.383s 7419 81.0% B 0.413s 7984 87.2% B 0.444s 8443 92.2% B 0.474s 8786 96.0% B 0.504s 9017 98.5% B 0.534s 9135 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9052 98.9% A 0.081s 8785 96.0% A 0.111s 8412 91.9% A 0.141s 7976 87.1% A 0.171s 7399 80.8% A 0.201s 6712 73.3% A 0.232s 5925 64.7% A 0.262s 5038 55.0% A 0.292s 4068 44.4% A 0.322s 3221 35.2% A 0.353s 2427 26.5% A 0.383s 1758 19.2% A 0.413s 1177 12.9% A 0.443s 719 7.9% A 0.473s 378 4.1% A 0.504s 136 1.5% A 0.534s 20 0.2% A 0.564s 3 0.0% B 0.020s 9144 99.9% B 0.050s 9014 98.5% B 0.081s 8770 95.8% B 0.111s 8365 91.4% B 0.141s 7951 86.9% B 0.171s 7376 80.6% B 0.202s 6688 73.1% B 0.232s 5892 64.4% B 0.262s 4981 54.4% B 0.292s 4052 44.3% B 0.322s 3161 34.5% B 0.353s 2392 26.1% B 0.383s 1705 18.6% B 0.413s 1147 12.5% B 0.443s 700 7.6% B 0.473s 356 3.9% B 0.504s 138 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