STH Recent Preflight: 61017
Executing preflight for 61017 at Sun Dec 7 18:37:09 SAST 2025.
Log can be found in /atlas/obs/03/61017/preflight.dat.
Setting donefile '/atlas/obs/03/61017/preflight_complete.20251207163709.686' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20251207163709.686.
Sun Dec 7 18:37:09 SAST 2025 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Dec 7 18:37:09 SAST 2025 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [9b1ea0e8-c98c-4b2c-bd06-df7212e05a5a;1800]
Sun Dec 7 18:37:09 SAST 2025 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun Dec 7 18:37:10 SAST 2025 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Dec 7 18:37:10 SAST 2025 [elapsed=1 sec] auxcam is disabled.
Sun Dec 7 18:37:10 SAST 2025 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Dec 7 18:37:10 SAST 2025 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1765125426
OK
Sun Dec 7 18:37:10 SAST 2025 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Dec 7 18:37:10 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
Sun Dec 7 18:37:12 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
Sun Dec 7 18:37:13 SAST 2025 [elapsed=4 sec] QUEUE
0 observations queued.
Sun Dec 7 18:37:13 SAST 2025 [elapsed=4 sec] CLOCKS
admin: Sun Dec 7 16:37:13 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 1412 1024 376 1.026 0.031 0.101
+metbox2.sth.atl .PPS. 1 u 157 1024 377 0.304 -0.004 0.014
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 26 1024 377 23.328 -0.349 0.372
-ntp.as3741.net 146.64.8.7 2 u 34 1024 377 22.774 -0.058 0.107
-ntp2.as3741.net 146.64.8.7 2 u 764 1024 377 7.279 0.081 0.024
+ntp2.inx.net.za 183.3.52.101 2 u 110 1024 377 7.119 0.029 0.046
#102.222.100.153 155.232.19.7 2 u 330 1024 377 7.598 0.067 1.101
-za-jnb-rs01b.dp 210.182.58.253 2 u 212 1024 377 23.098 0.777 0.523
+tick.sanren.ac. .TC. 1 u 839 1024 377 23.277 0.032 0.015
-ntp.urbanwave.c 155.232.19.7 2 u 851 1024 377 22.701 -0.609 0.397
+ntp4.inx.net.za 183.3.52.101 2 u 329 1024 377 23.033 0.020 0.069
Sun Dec 7 18:37:16 SAST 2025 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (5831GB)
200GB available in /atlas/red...OK (8762GB)
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 5.0T 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
Sun Dec 7 18:37:16 SAST 2025 [elapsed=7 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
Sun Dec 7 18:37:16 SAST 2025 [elapsed=7 sec] Disabling mount tracking.
Sun Dec 7 18:37:16 SAST 2025 [elapsed=7 sec] SERVICES2
Sun Dec 7 18:37:16 SAST 2025 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Dec 7 18:37:21 SAST 2025 [elapsed=12 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= 930kB time=00:00:29.76 bitrate= 256.0kbits/s speed=1.52e+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
Sun Dec 7 18:40:33 SAST 2025 [elapsed=204 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: 345.57 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Sun Dec 7 18:41:32 SAST 2025 [elapsed=263 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Dec 7 18:41:53 SAST 2025 [elapsed=284 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Sun Dec 7 18:41:53 SAST 2025 [elapsed=284 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (8 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.8C)
Checking CCD plane: Z0=+1790.00 DZDX=-902.00 DZDY=+4270.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Dec 7 18:41:53 SAST 2025 [elapsed=284 sec] WEATHER
status weather: clear 23.2C 16% 27/34kph@282 DP27.1C/-5C/d IDLE
...OK
Sun Dec 7 18:41:54 SAST 2025 [elapsed=285 sec] MET
status...OK
met: c=N o=Y Ro8d Co10h Wo8d Ho10h To8d Do8d IDLE
Sun Dec 7 18:41:54 SAST 2025 [elapsed=285 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Dec 7 18:41:54 SAST 2025 [elapsed=285 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 14.49 -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 118 1.3%
A 0.081s 404 4.4%
A 0.111s 746 8.1%
A 0.142s 1209 13.2%
A 0.172s 1804 19.7%
A 0.202s 2489 27.2%
A 0.233s 3288 35.9%
A 0.263s 4194 45.8%
A 0.293s 5144 56.2%
A 0.323s 6018 65.7%
A 0.354s 6802 74.3%
A 0.384s 7458 81.5%
A 0.414s 8016 87.6%
A 0.444s 8477 92.6%
A 0.475s 8799 96.1%
A 0.505s 9027 98.6%
A 0.535s 9152 100.0%
B 0.020s 1 0.0%
B 0.050s 97 1.1%
B 0.081s 388 4.2%
B 0.111s 727 7.9%
B 0.141s 1199 13.1%
B 0.171s 1776 19.4%
B 0.202s 2466 26.9%
B 0.232s 3258 35.6%
B 0.262s 4170 45.6%
B 0.293s 5105 55.8%
B 0.323s 5991 65.4%
B 0.353s 6775 74.0%
B 0.383s 7434 81.2%
B 0.414s 8009 87.5%
B 0.444s 8453 92.3%
B 0.474s 8797 96.1%
B 0.505s 9028 98.6%
B 0.535s 9142 99.9%
B 0.565s 9158 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.050s 9056 98.9%
A 0.081s 8758 95.7%
A 0.111s 8413 91.9%
A 0.141s 7969 87.1%
A 0.171s 7370 80.5%
A 0.202s 6692 73.1%
A 0.232s 5896 64.4%
A 0.262s 4983 54.4%
A 0.292s 4044 44.2%
A 0.323s 3166 34.6%
A 0.353s 2375 25.9%
A 0.383s 1711 18.7%
A 0.414s 1149 12.6%
A 0.444s 697 7.6%
A 0.474s 357 3.9%
A 0.504s 129 1.4%
A 0.535s 13 0.1%
A 0.565s -6 0.0%
B 0.020s 9145 99.9%
B 0.050s 9026 98.6%
B 0.081s 8760 95.7%
B 0.111s 8411 91.9%
B 0.141s 7939 86.7%
B 0.172s 7357 80.4%
B 0.202s 6670 72.9%
B 0.232s 5868 64.1%
B 0.262s 4953 54.1%
B 0.293s 4022 43.9%
B 0.323s 3139 34.3%
B 0.353s 2361 25.8%
B 0.383s 1693 18.5%
B 0.414s 1141 12.5%
B 0.444s 684 7.5%
B 0.474s 347 3.8%
B 0.504s 129 1.4%
B 0.534s 13 0.1%
B 0.565s -3 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=1.11e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9261 IDLE
Sun Dec 7 18:42:37 SAST 2025 [elapsed=328 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Dec 7 18:42 /atlas/obs/03a/61017/03a61017e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Dec 7 18:42:59 SAST 2025 [elapsed=350 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (7 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Dec 7 18:42:59 SAST 2025 [elapsed=350 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61016.69652593|info|galildriver|using focus model: foc=9187+(4.30)*23.1+(-0.40)*60.2=9262.2
61016.69653083|info|galildriver|o 2 IN | cass: 3043854 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54011661 9261 um b=2f [cmd]
bestfocus for o...OK
Sun Dec 7 18:43:01 SAST 2025 [elapsed=352 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Dec 7 18:43:31 SAST 2025 [elapsed=382 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
Sun Dec 7 18:43:32 SAST 2025 [elapsed=383 sec] NOTICES: det_dzdx=-902 is outside range +-250 from -558; det_dzdy=4270 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sun Dec 7 18:43:32 SAST 2025 [elapsed=383 sec] Happy observing!
Sun Dec 7 18:43:32 SAST 2025 [elapsed=383 sec] Preflight took 383 seconds to complete.
Sun Dec 7 18:43:32 SAST 2025 [elapsed=383 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