STH Recent Preflight: 60937
Executing preflight for 60937 at Thu Sep 18 17:33:09 SAST 2025.
Log can be found in /atlas/obs/03/60937/preflight.dat.
Setting donefile '/atlas/obs/03/60937/preflight_complete.20250918153309.13116' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20250918153309.13116.
Thu Sep 18 17:33:09 SAST 2025 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Sep 18 17:33:10 SAST 2025 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [950c19bf-7e5f-4b67-a5a5-ba4523f34401;1800]
Thu Sep 18 17:33:10 SAST 2025 [elapsed=1 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu Sep 18 17:33:11 SAST 2025 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Sep 18 17:33:11 SAST 2025 [elapsed=2 sec] auxcam is disabled.
Thu Sep 18 17:33:11 SAST 2025 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Thu Sep 18 17:33:11 SAST 2025 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1758209584
OK
Thu Sep 18 17:33:11 SAST 2025 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Thu Sep 18 17:33:11 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
Thu Sep 18 17:33:13 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
Thu Sep 18 17:33:13 SAST 2025 [elapsed=4 sec] QUEUE
0 observations queued.
Thu Sep 18 17:33:13 SAST 2025 [elapsed=4 sec] CLOCKS
admin: Thu Sep 18 15:33:13 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 152 1024 377 1.037 0.223 0.067
+metbox2.sth.atl .PPS. 1 u 592 1024 377 0.318 0.187 0.053
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 502 1024 377 24.332 0.040 0.276
+ntp.as3741.net 146.64.8.7 2 u 146 1024 377 22.821 0.201 0.346
-ntp2.as3741.net 155.232.19.7 2 u 116 1024 377 7.297 0.126 0.075
+ntp2.inx.net.za 183.3.52.101 2 u 59 1024 377 7.130 0.239 0.070
-102.222.100.153 196.21.187.2 2 u 247 1024 377 7.895 0.462 0.410
#za-jnb-rs01b.dp 210.182.58.253 2 u 634 1024 377 23.285 1.184 0.554
+tick.sanren.ac. .TC. 1 u 886 1024 377 24.459 0.260 0.064
-ntp.urbanwave.c 155.232.19.7 2 u 1054 1024 377 22.751 2.303 2.869
-ntp4.inx.net.za 183.3.52.101 2 u 299 1024 377 22.951 0.322 0.082
Thu Sep 18 17:33:15 SAST 2025 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (5845GB)
200GB available in /atlas/red...OK (9350GB)
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 36% /
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 4.5T 9.0T 34% /
proc1:/dev/loop0 105M 105M 0 100% /snap/core/17212
proc1:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc2:/dev/md0p1 15T 1.4T 13T 10% /
proc2:/dev/loop1 105M 105M 0 100% /snap/core/17212
proc2:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc3:/dev/md0p1 15T 730G 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
Thu Sep 18 17:33:15 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
Thu Sep 18 17:33:15 SAST 2025 [elapsed=6 sec] Disabling mount tracking.
Thu Sep 18 17:33:16 SAST 2025 [elapsed=7 sec] SERVICES2
Thu Sep 18 17:33:16 SAST 2025 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Sep 18 17:33:20 SAST 2025 [elapsed=11 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= 924kB time=00:00:29.56 bitrate= 256.0kbits/s speed=1.49e+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
Thu Sep 18 17:36:06 SAST 2025 [elapsed=177 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: 250.56 -29.49, az/alt=324.70 +86.49 idle(e) IDLE
Thu Sep 18 17:37:04 SAST 2025 [elapsed=235 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Sep 18 17:37:25 SAST 2025 [elapsed=256 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=41.4 IDLE
Thu Sep 18 17:37:25 SAST 2025 [elapsed=256 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (5 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.9C)
Checking CCD plane: Z0=+1720.00 DZDX=-894.00 DZDY=+2604.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Sep 18 17:37:25 SAST 2025 [elapsed=256 sec] WEATHER
status weather: clear 13.1C 31% 15/18kph@298 DP15.9C/-40C/d IDLE
...OK
Thu Sep 18 17:37:26 SAST 2025 [elapsed=257 sec] MET
status...OK
met: c=N o=Y Ro2d Co1d Wo1d Ho1d To68d Do1d IDLE
Thu Sep 18 17:37:26 SAST 2025 [elapsed=257 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Sep 18 17:37:26 SAST 2025 [elapsed=257 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 279.48 -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 -2 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 -1 -0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.051s 107 1.2%
A 0.081s 393 4.3%
A 0.111s 732 8.0%
A 0.142s 1190 13.0%
A 0.172s 1783 19.5%
A 0.202s 2465 26.9%
A 0.233s 3261 35.6%
A 0.263s 4162 45.5%
A 0.293s 5115 55.9%
A 0.323s 5991 65.4%
A 0.354s 6780 74.1%
A 0.384s 7438 81.3%
A 0.414s 8000 87.4%
A 0.444s 8466 92.5%
A 0.475s 8791 96.0%
A 0.505s 9022 98.6%
A 0.535s 9151 100.0%
B 0.020s 1 0.0%
B 0.050s 90 1.0%
B 0.081s 372 4.1%
B 0.111s 713 7.8%
B 0.141s 1180 12.9%
B 0.172s 1776 19.4%
B 0.202s 2442 26.7%
B 0.232s 3260 35.6%
B 0.262s 4138 45.2%
B 0.293s 5076 55.5%
B 0.323s 5991 65.4%
B 0.353s 6772 74.0%
B 0.384s 7416 81.0%
B 0.414s 7994 87.3%
B 0.444s 8442 92.2%
B 0.474s 8789 96.0%
B 0.505s 9022 98.6%
B 0.535s 9142 99.9%
B 0.565s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9070 99.1%
A 0.081s 8771 95.8%
A 0.111s 8415 91.9%
A 0.141s 7967 87.0%
A 0.171s 7392 80.8%
A 0.202s 6716 73.4%
A 0.232s 5924 64.7%
A 0.262s 5013 54.8%
A 0.292s 4074 44.5%
A 0.323s 3192 34.9%
A 0.353s 2401 26.2%
A 0.383s 1730 18.9%
A 0.414s 1163 12.7%
A 0.444s 711 7.8%
A 0.474s 364 4.0%
A 0.504s 134 1.5%
A 0.535s 17 0.2%
A 0.565s -6 0.0%
B 0.020s 9146 99.9%
B 0.050s 9034 98.7%
B 0.081s 8773 95.8%
B 0.111s 8425 92.0%
B 0.141s 7958 86.9%
B 0.172s 7379 80.6%
B 0.202s 6693 73.1%
B 0.232s 5899 64.4%
B 0.262s 4983 54.4%
B 0.293s 4078 44.5%
B 0.323s 3194 34.9%
B 0.353s 2407 26.3%
B 0.383s 1714 18.7%
B 0.414s 1141 12.5%
B 0.444s 696 7.6%
B 0.474s 355 3.9%
B 0.504s 133 1.5%
B 0.535s 13 0.1%
B 0.565s -6 0.0%
A 0 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 0.565 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=1.07e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9237 IDLE
Thu Sep 18 17:38:03 SAST 2025 [elapsed=294 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=41.4 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Sep 18 17:38 /atlas/obs/03a/60937/03a60937e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Sep 18 17:38:26 SAST 2025 [elapsed=317 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (30 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Sep 18 17:38:26 SAST 2025 [elapsed=317 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
60936.65169719|info|galildriver|using focus model: foc=9187+(4.30)*16.2+(-0.40)*60.2=9232.6
60936.65170222|info|galildriver|o 2 IN | cass: 3048947 15.24 mm b=23 move=NO | arm: 408772 475.88 mm b=03 move=OK | foc: 54006894 9238 um b=8f M [focus]
60936.65171286|info|galildriver|o 2 IN | cass: 3048947 15.24 mm b=23 move=NO | arm: 408772 475.88 mm b=03 move=OK | foc: 54007027 9238 um b=2f [cmd]
bestfocus for o...OK
Thu Sep 18 17:38:28 SAST 2025 [elapsed=319 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Sep 18 17:38:58 SAST 2025 [elapsed=349 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
Thu Sep 18 17:38:59 SAST 2025 [elapsed=350 sec] NOTICES: det_dzdx=-894 is outside range +-250 from -558; det_dzdy=2604 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Thu Sep 18 17:38:59 SAST 2025 [elapsed=350 sec] Happy observing!
Thu Sep 18 17:38:59 SAST 2025 [elapsed=350 sec] Preflight took 350 seconds to complete.
Thu Sep 18 17:38:59 SAST 2025 [elapsed=350 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 0.051s 110 1.2% A 0.081s 374 4.1% A 0.111s 718 7.8% A 0.141s 1181 12.9% A 0.171s 1760 19.2% A 0.202s 2441 26.7% A 0.232s 3237 35.4% A 0.262s 4144 45.3% A 0.292s 5078 55.5% A 0.322s 5963 65.1% A 0.353s 6734 73.6% A 0.383s 7411 81.0% A 0.413s 7974 87.1% A 0.443s 8445 92.3% A 0.474s 8779 95.9% A 0.504s 9017 98.5% A 0.534s 9136 99.8% A 0.564s 9152 100.0% B 0.020s 2 0.0% B 0.050s 113 1.2% B 0.081s 379 4.1% B 0.111s 728 8.0% B 0.141s 1202 13.1% B 0.171s 1773 19.4% B 0.201s 2467 26.9% B 0.232s 3269 35.7% B 0.262s 4167 45.5% B 0.292s 5103 55.7% B 0.322s 5988 65.4% B 0.352s 6772 74.0% B 0.383s 7422 81.1% B 0.413s 7984 87.2% B 0.443s 8454 92.4% B 0.474s 8796 96.1% B 0.504s 9021 98.5% B 0.534s 9136 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9153 100.0% A 0.050s 9048 98.8% A 0.081s 8780 95.9% A 0.111s 8426 92.0% A 0.141s 7964 87.0% A 0.171s 7383 80.7% A 0.202s 6691 73.1% A 0.232s 5929 64.8% A 0.262s 4980 54.4% A 0.292s 4042 44.2% A 0.323s 3171 34.6% A 0.353s 2382 26.0% A 0.383s 1713 18.7% A 0.413s 1163 12.7% A 0.444s 706 7.7% A 0.474s 369 4.0% A 0.504s 132 1.4% A 0.534s 16 0.2% A 0.564s 2 0.0% B 0.020s 9145 99.9% B 0.050s 9021 98.5% B 0.081s 8779 95.9% B 0.111s 8434 92.1% B 0.141s 7970 87.1% B 0.172s 7398 80.8% B 0.202s 6690 73.1% B 0.232s 5891 64.4% B 0.262s 4980 54.4% B 0.293s 4084 44.6% B 0.323s 3193 34.9% B 0.353s 2415 26.4% B 0.384s 1703 18.6% B 0.414s 1146 12.5% B 0.444s 701 7.7% B 0.474s 357 3.9% B 0.505s 132 1.4% B 0.535s 18 0.2% B 0.565s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R