STH Recent Preflight: 61013
Executing preflight for 61013 at Wed Dec 3 18:33:56 SAST 2025.
Log can be found in /atlas/obs/03/61013/preflight.dat.
Setting donefile '/atlas/obs/03/61013/preflight_complete.20251203163356.7063' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20251203163356.7063.
Wed Dec 3 18:33:56 SAST 2025 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Dec 3 18:33:56 SAST 2025 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [9dde1cb3-3437-452d-afe9-be14e7353ab2;1800]
Wed Dec 3 18:33:56 SAST 2025 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Wed Dec 3 18:33:57 SAST 2025 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Dec 3 18:33:57 SAST 2025 [elapsed=1 sec] auxcam is disabled.
Wed Dec 3 18:33:57 SAST 2025 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Dec 3 18:33:57 SAST 2025 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1764779627
OK
Wed Dec 3 18:33:57 SAST 2025 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Dec 3 18:33:57 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 3 18:33:58 SAST 2025 [elapsed=2 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 3 18:33:59 SAST 2025 [elapsed=3 sec] QUEUE
0 observations queued.
Wed Dec 3 18:33:59 SAST 2025 [elapsed=3 sec] CLOCKS
admin: Wed Dec 3 16:33:59 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 302 1024 217 1.025 0.009 0.131
*metbox2.sth.atl .PPS. 1 u 235 1024 377 0.307 -0.050 0.024
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 1002 1024 377 24.951 -0.542 0.185
-ntp.as3741.net 146.64.8.7 2 u 873 1024 377 23.554 -0.551 4.476
-ntp2.as3741.net 146.64.8.7 2 u 51 1024 377 7.320 0.146 0.091
-ntp2.inx.net.za 183.3.52.101 2 u 727 1024 377 7.305 0.037 0.057
-102.222.100.153 196.21.187.2 2 u 695 1024 377 7.804 0.192 0.803
-za-jnb-rs01b.dp 183.3.52.101 2 u 931 1024 377 23.780 0.078 1.047
+tick.sanren.ac. .TC. 1 u 28 1024 377 24.892 0.039 0.022
#ntp.urbanwave.c 155.232.19.7 2 u 929 1024 377 24.382 -1.159 1.205
-ntp4.inx.net.za 183.3.52.101 2 u 10 1024 377 24.638 0.010 0.049
Wed Dec 3 18:34:01 SAST 2025 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5849GB)
200GB available in /atlas/red...OK (8819GB)
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 60G 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/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 732G 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
Wed Dec 3 18:34:02 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
Wed Dec 3 18:34:02 SAST 2025 [elapsed=6 sec] Disabling mount tracking.
Wed Dec 3 18:34:02 SAST 2025 [elapsed=6 sec] SERVICES2
Wed Dec 3 18:34:02 SAST 2025 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Dec 3 18:34:06 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= 930kB time=00:00:29.76 bitrate= 256.0kbits/s speed=1.4e+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 3 18:36:40 SAST 2025 [elapsed=164 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: 340.64 -29.49, az/alt=324.67 +86.49 idle(e) IDLE
Wed Dec 3 18:37:37 SAST 2025 [elapsed=221 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Dec 3 18:37:58 SAST 2025 [elapsed=242 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=152.2 IDLE
Wed Dec 3 18:37:58 SAST 2025 [elapsed=242 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 (-54.2C)
Checking CCD plane: Z0=+1766.00 DZDX=-895.00 DZDY=+3663.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Dec 3 18:37:58 SAST 2025 [elapsed=242 sec] WEATHER
status weather: clear 19.4C 29% 17/23kph@147 DP18.0C/-16C/d IDLE
...OK
Wed Dec 3 18:37:58 SAST 2025 [elapsed=242 sec] MET
status...OK
met: c=N o=Y Ro4d Co10h Wo4d Ho10h To4d Do4d IDLE
Wed Dec 3 18:37:58 SAST 2025 [elapsed=242 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Dec 3 18:37:58 SAST 2025 [elapsed=242 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 9.57 -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 108 1.2%
A 0.081s 393 4.3%
A 0.111s 734 8.0%
A 0.142s 1191 13.0%
A 0.172s 1783 19.5%
A 0.202s 2466 26.9%
A 0.233s 3260 35.6%
A 0.263s 4165 45.5%
A 0.293s 5113 55.9%
A 0.323s 5990 65.4%
A 0.354s 6782 74.1%
A 0.384s 7437 81.2%
A 0.414s 7999 87.4%
A 0.445s 8468 92.5%
A 0.475s 8790 96.0%
A 0.505s 9021 98.5%
A 0.535s 9152 100.0%
B 0.020s 1 0.0%
B 0.050s 92 1.0%
B 0.081s 373 4.1%
B 0.111s 715 7.8%
B 0.142s 1198 13.1%
B 0.172s 1777 19.4%
B 0.202s 2467 26.9%
B 0.232s 3258 35.6%
B 0.263s 4168 45.5%
B 0.293s 5105 55.8%
B 0.323s 5989 65.4%
B 0.353s 6776 74.0%
B 0.384s 7435 81.2%
B 0.414s 8009 87.5%
B 0.444s 8456 92.4%
B 0.475s 8796 96.1%
B 0.505s 9027 98.6%
B 0.535s 9141 99.9%
B 0.565s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9062 99.0%
A 0.081s 8769 95.8%
A 0.111s 8414 91.9%
A 0.141s 7969 87.1%
A 0.172s 7372 80.5%
A 0.202s 6693 73.1%
A 0.232s 5897 64.4%
A 0.263s 4982 54.4%
A 0.293s 4046 44.2%
A 0.323s 3164 34.6%
A 0.354s 2376 26.0%
A 0.384s 1712 18.7%
A 0.414s 1148 12.5%
A 0.444s 696 7.6%
A 0.475s 355 3.9%
A 0.505s 124 1.4%
A 0.536s 10 0.1%
A 0.566s -7 0.0%
B 0.020s 9146 99.9%
B 0.051s 9040 98.8%
B 0.081s 8781 95.9%
B 0.111s 8438 92.2%
B 0.142s 7972 87.1%
B 0.172s 7379 80.6%
B 0.202s 6695 73.1%
B 0.233s 5896 64.4%
B 0.263s 4982 54.4%
B 0.293s 4056 44.3%
B 0.323s 3161 34.5%
B 0.354s 2384 26.0%
B 0.384s 1715 18.7%
B 0.414s 1138 12.4%
B 0.445s 698 7.6%
B 0.475s 358 3.9%
B 0.505s 130 1.4%
B 0.536s 11 0.1%
B 0.566s -6 0.0%
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 0.535 seconds.
Shutter B opened to 100.0 percent in 0.565 seconds.
Shutter A closed to 0.0 percent in 0.566 seconds.
Shutter B closed to 0.0 percent in 0.566 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... conversion FAILED! Bogus AAC file?
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9254 IDLE
Wed Dec 3 18:38:46 SAST 2025 [elapsed=290 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=152.2 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Dec 3 18:39 /atlas/obs/03a/61013/03a61013e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Dec 3 18:39:09 SAST 2025 [elapsed=313 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (73 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Dec 3 18:39:09 SAST 2025 [elapsed=313 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61012.69386231|info|galildriver|using focus model: foc=9187+(4.30)*20.4+(-0.40)*60.2=9250.6
61012.69386756|info|galildriver|o 2 IN | cass: 3045845 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54010121 9254 um b=8f M [focus]
61012.69387817|info|galildriver|o 2 IN | cass: 3045846 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54010112 9254 um b=2f [cmd]
bestfocus for o...OK
Wed Dec 3 18:39:12 SAST 2025 [elapsed=316 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Dec 3 18:39:41 SAST 2025 [elapsed=345 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 3 18:39:42 SAST 2025 [elapsed=346 sec] NOTICES: det_dzdx=-895 is outside range +-250 from -558; det_dzdy=3663 is outside range +-250 from -1915;
Wed Dec 3 18:39:42 SAST 2025 [elapsed=346 sec] WARNINGS: DFM shutter audio conversion to WAV failed (bad AAC file?);
Preflight completed with warnings. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Wed Dec 3 18:39:42 SAST 2025 [elapsed=346 sec] Happy observing!
Wed Dec 3 18:39:42 SAST 2025 [elapsed=346 sec] Preflight took 346 seconds to complete.
Wed Dec 3 18:39:42 SAST 2025 [elapsed=346 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 0.051s 109 1.2% A 0.081s 374 4.1% A 0.111s 717 7.8% A 0.141s 1180 12.9% A 0.171s 1760 19.2% A 0.202s 2441 26.7% A 0.232s 3237 35.4% A 0.262s 4143 45.3% A 0.292s 5107 55.8% A 0.322s 5963 65.1% A 0.353s 6756 73.8% A 0.383s 7412 81.0% A 0.413s 8059 88.0% A 0.443s 8445 92.3% A 0.474s 8768 95.8% A 0.504s 9016 98.5% A 0.534s 9135 99.8% A 0.564s 9152 100.0% B 0.020s 2 0.0% B 0.050s 110 1.2% B 0.080s 389 4.2% B 0.111s 729 8.0% B 0.141s 1201 13.1% B 0.171s 1773 19.4% B 0.202s 2466 26.9% B 0.232s 3270 35.7% B 0.262s 4167 45.5% B 0.292s 5220 57.0% B 0.323s 5987 65.4% B 0.353s 6795 74.2% B 0.383s 7440 81.3% B 0.413s 8081 88.3% B 0.444s 8455 92.4% B 0.474s 8794 96.1% B 0.504s 9023 98.6% B 0.534s 9138 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9154 100.0% A 0.050s 9049 98.9% A 0.081s 8781 95.9% A 0.111s 8428 92.1% A 0.141s 7966 87.0% A 0.171s 7301 79.8% A 0.202s 6693 73.1% A 0.232s 5902 64.5% A 0.262s 4981 54.4% A 0.292s 4072 44.5% A 0.322s 3172 34.7% A 0.353s 2380 26.0% A 0.383s 1733 18.9% A 0.413s 1145 12.5% A 0.444s 692 7.6% A 0.474s 369 4.0% A 0.504s 130 1.4% A 0.534s 15 0.2% A 0.565s 3 0.0% B 0.020s 9144 99.9% B 0.051s 8995 98.3% B 0.081s 8770 95.8% B 0.111s 8420 92.0% B 0.141s 7952 86.9% B 0.172s 7316 79.9% B 0.202s 6689 73.1% B 0.232s 5890 64.3% B 0.262s 4978 54.4% B 0.293s 4052 44.3% B 0.323s 3163 34.6% B 0.353s 2392 26.1% B 0.383s 1702 18.6% B 0.414s 1147 12.5% B 0.444s 699 7.6% B 0.474s 356 3.9% B 0.505s 132 1.4% B 0.535s 14 0.2% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R