STH Recent Preflight: 61034
Executing preflight for 61034 at Wed Dec 24 18:47:28 SAST 2025.
Log can be found in /atlas/obs/03/61034/preflight.dat.
Setting donefile '/atlas/obs/03/61034/preflight_complete.20251224164728.686' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20251224164728.686.
Wed Dec 24 18:47:28 SAST 2025 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Dec 24 18:47:28 SAST 2025 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [faa75242-65e3-4ed9-955d-af2a88f77f8a;1800]
Wed Dec 24 18:47:28 SAST 2025 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Wed Dec 24 18:47:29 SAST 2025 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Dec 24 18:47:29 SAST 2025 [elapsed=1 sec] auxcam is disabled.
Wed Dec 24 18:47:29 SAST 2025 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Dec 24 18:47:29 SAST 2025 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1766594842
OK
Wed Dec 24 18:47:29 SAST 2025 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Dec 24 18:47:29 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
Wed Dec 24 18:47:31 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
Wed Dec 24 18:47:31 SAST 2025 [elapsed=3 sec] QUEUE
0 observations queued.
Wed Dec 24 18:47:31 SAST 2025 [elapsed=3 sec] CLOCKS
admin: Wed Dec 24 16:47:31 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 427 1024 37 0.975 0.035 0.037
+metbox2.sth.atl .PPS. 1 u 1003 1024 377 0.327 -0.014 0.035
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-146.64.24.58 183.3.52.101 2 u 811 1024 377 23.347 0.451 0.453
-ntp.as3741.net 146.64.8.7 2 u 140 1024 377 22.831 -0.060 0.027
-ntp2.as3741.net 146.64.8.7 2 u 658 1024 377 7.369 0.103 0.046
-ntp2.inx.net.za 183.3.52.101 2 u 395 1024 377 7.235 0.132 0.083
-102.222.100.153 196.21.187.2 2 u 120 1024 377 7.931 0.004 0.340
-za-jnb-rs01b.dp 210.182.58.253 2 u 690 1024 377 23.949 0.170 0.966
+tick.sanren.ac. .TC. 1 u 839 1024 377 23.303 0.066 0.068
#ntp.urbanwave.c 155.232.19.7 2 u 227 1024 377 22.816 1.545 1.442
-ntp4.inx.net.za 183.3.52.101 2 u 700 1024 377 23.086 0.067 0.027
Wed Dec 24 18:47:37 SAST 2025 [elapsed=9 sec] DISKS
200GB available in /atlas/obs...OK (5957GB)
200GB available in /atlas/red...OK (8867GB)
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 4.9T 8.5T 37% /
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
Wed Dec 24 18:47:37 SAST 2025 [elapsed=9 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
Wed Dec 24 18:47:37 SAST 2025 [elapsed=9 sec] Disabling mount tracking.
Wed Dec 24 18:47:37 SAST 2025 [elapsed=9 sec] SERVICES2
Wed Dec 24 18:47:38 SAST 2025 [elapsed=9 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Dec 24 18:47:42 SAST 2025 [elapsed=14 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= 916kB time=00:00:29.31 bitrate= 256.0kbits/s speed=1.48e+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
Wed Dec 24 18:50:56 SAST 2025 [elapsed=208 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: 4.93 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Wed Dec 24 18:51:56 SAST 2025 [elapsed=268 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Dec 24 18:52:17 SAST 2025 [elapsed=289 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Wed Dec 24 18:52:17 SAST 2025 [elapsed=289 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (2 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.9C)
Checking CCD plane: Z0=+1781.00 DZDX=-902.00 DZDY=+4032.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Dec 24 18:52:18 SAST 2025 [elapsed=290 sec] WEATHER
status weather: clear 21.8C 34% 23/29kph@186 DP15.9C/-38C/d IDLE
...OK
Wed Dec 24 18:52:18 SAST 2025 [elapsed=290 sec] MET
status...OK
met: c=N o=Y Ro25d Co1h Wo7d Ho10h To25d Do25d IDLE
Wed Dec 24 18:52:18 SAST 2025 [elapsed=290 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Dec 24 18:52:18 SAST 2025 [elapsed=290 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 33.86 -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 -2 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 147 1.6%
A 0.081s 404 4.4%
A 0.111s 746 8.1%
A 0.142s 1208 13.2%
A 0.172s 1847 20.2%
A 0.202s 2489 27.2%
A 0.233s 3288 35.9%
A 0.263s 4195 45.8%
A 0.294s 5173 56.5%
A 0.324s 6045 66.0%
A 0.354s 6825 74.6%
A 0.385s 7478 81.7%
A 0.415s 8033 87.8%
A 0.445s 8490 92.7%
A 0.476s 8809 96.2%
A 0.506s 9033 98.7%
A 0.537s 9154 100.0%
B 0.020s 1 0.0%
B 0.051s 108 1.2%
B 0.081s 385 4.2%
B 0.112s 738 8.1%
B 0.142s 1215 13.3%
B 0.172s 1798 19.6%
B 0.203s 2491 27.2%
B 0.233s 3285 35.9%
B 0.264s 4200 45.9%
B 0.294s 5132 56.1%
B 0.324s 6049 66.1%
B 0.355s 6820 74.5%
B 0.385s 7454 81.4%
B 0.415s 8042 87.9%
B 0.446s 8480 92.6%
B 0.476s 8814 96.3%
B 0.507s 9038 98.7%
B 0.537s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9061 99.0%
A 0.081s 8769 95.8%
A 0.112s 8414 91.9%
A 0.142s 7951 86.9%
A 0.172s 7351 80.3%
A 0.203s 6670 72.9%
A 0.233s 5868 64.1%
A 0.263s 4951 54.1%
A 0.294s 4015 43.9%
A 0.324s 3137 34.3%
A 0.354s 2352 25.7%
A 0.385s 1693 18.5%
A 0.415s 1132 12.4%
A 0.446s 684 7.5%
A 0.476s 338 3.7%
A 0.507s 117 1.3%
A 0.537s 10 0.1%
A 0.567s -5 0.0%
B 0.020s 9145 99.9%
B 0.051s 9026 98.6%
B 0.081s 8759 95.7%
B 0.111s 8411 91.9%
B 0.142s 7938 86.7%
B 0.172s 7359 80.4%
B 0.202s 6670 72.9%
B 0.233s 5840 63.8%
B 0.263s 4925 53.8%
B 0.294s 3992 43.6%
B 0.324s 3110 34.0%
B 0.354s 2339 25.6%
B 0.385s 1674 18.3%
B 0.415s 1110 12.1%
B 0.446s 673 7.4%
B 0.476s 336 3.7%
B 0.506s 117 1.3%
B 0.537s 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 100.0 percent in 0.537 seconds.
Shutter B opened to 99.9 percent in 0.537 seconds.
Shutter A closed to 0.0 percent in 0.567 seconds.
Shutter B closed to 0.1 percent in 0.537 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[1] foc=9258 IDLE
Wed Dec 24 18:52:59 SAST 2025 [elapsed=331 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 24 18:53 /atlas/obs/03a/61034/03a61034e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Dec 24 18:53:21 SAST 2025 [elapsed=353 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (89 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Dec 24 18:53:21 SAST 2025 [elapsed=353 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61033.70372431|info|galildriver|using focus model: foc=9187+(4.30)*22.3+(-0.40)*60.2=9258.8
61033.70372921|info|galildriver|c 1 IN | cass: 19312 0.10 mm b=23 move=NO | arm: 408880 476.00 mm b=03 move=OK | foc: 54010969 9258 um b=2f [cmd]
bestfocus for c...OK
Wed Dec 24 18:53:23 SAST 2025 [elapsed=355 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Dec 24 18:53:53 SAST 2025 [elapsed=385 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
Wed Dec 24 18:53:54 SAST 2025 [elapsed=386 sec] NOTICES: det_dzdx=-902 is outside range +-250 from -558; det_dzdy=4032 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Wed Dec 24 18:53:54 SAST 2025 [elapsed=386 sec] Happy observing!
Wed Dec 24 18:53:54 SAST 2025 [elapsed=386 sec] Preflight took 386 seconds to complete.
Wed Dec 24 18:53:54 SAST 2025 [elapsed=386 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 115 1.3% A 0.081s 383 4.2% A 0.111s 731 8.0% A 0.141s 1197 13.1% A 0.171s 1780 19.4% A 0.202s 2465 26.9% A 0.232s 3265 35.7% A 0.262s 4174 45.6% A 0.292s 5107 55.8% A 0.322s 5991 65.4% A 0.353s 6780 74.1% A 0.383s 7432 81.2% A 0.413s 7992 87.3% A 0.443s 8447 92.3% A 0.473s 8778 95.9% A 0.504s 9024 98.6% A 0.534s 9138 99.8% A 0.564s 9152 100.0% B 0.020s 2 0.0% B 0.050s 115 1.3% B 0.081s 381 4.2% B 0.111s 716 7.8% B 0.141s 1186 13.0% B 0.171s 1753 19.2% B 0.202s 2444 26.7% B 0.232s 3243 35.4% B 0.262s 4138 45.2% B 0.292s 5075 55.4% B 0.322s 5962 65.1% B 0.353s 6748 73.7% B 0.383s 7421 81.1% B 0.413s 7985 87.2% B 0.443s 8444 92.2% B 0.473s 8786 96.0% B 0.504s 9017 98.5% B 0.534s 9134 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9040 98.8% A 0.081s 8777 95.9% A 0.111s 8425 92.0% A 0.141s 7960 87.0% A 0.171s 7380 80.6% A 0.201s 6689 73.1% A 0.232s 5897 64.4% A 0.262s 4978 54.4% A 0.292s 4039 44.1% A 0.322s 3168 34.6% A 0.353s 2381 26.0% A 0.383s 1714 18.7% A 0.413s 1144 12.5% A 0.443s 692 7.6% A 0.474s 358 3.9% A 0.504s 124 1.4% A 0.534s 15 0.2% A 0.564s 2 0.0% B 0.020s 9144 99.9% B 0.050s 9014 98.5% B 0.081s 8770 95.8% B 0.111s 8420 92.0% B 0.141s 7951 86.9% B 0.171s 7377 80.6% B 0.201s 6688 73.1% B 0.232s 5891 64.4% B 0.262s 5010 54.7% B 0.292s 4083 44.6% B 0.322s 3190 34.8% B 0.352s 2414 26.4% B 0.383s 1723 18.8% B 0.413s 1163 12.7% B 0.443s 711 7.8% B 0.473s 366 4.0% B 0.503s 138 1.5% B 0.534s 16 0.2% B 0.564s 1 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R