STH Recent Preflight: 61238
Executing preflight for 61238 at Thu Jul 16 16:52:48 SAST 2026.
Log can be found in /atlas/obs/03/61238/preflight.dat.
Setting donefile '/atlas/obs/03/61238/preflight_complete.20260716145248.2231' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260716145248.2231.
Thu Jul 16 16:52:48 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Jul 16 16:52:48 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [6c5874a7-7cb6-47fe-b83e-7fdb9037b05c;1800]
Thu Jul 16 16:52:48 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu Jul 16 16:52:49 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Jul 16 16:52:49 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Thu Jul 16 16:52:49 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Jul 16 16:52:49 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1784213567
OK
Thu Jul 16 16:52:49 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Jul 16 16:52:49 SAST 2026 [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
Thu Jul 16 16:52:53 SAST 2026 [elapsed=5 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 Jul 16 16:52:54 SAST 2026 [elapsed=6 sec] QUEUE
0 observations queued.
Thu Jul 16 16:52:54 SAST 2026 [elapsed=6 sec] CLOCKS
admin: Thu Jul 16 14:52:54 UTC 2026
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 600 1024 377 1.021 -0.038 0.041
*metbox2.sth.atl .PPS. 1 u 876 1024 377 0.294 -0.046 0.026
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 714 1024 377 23.330 0.198 0.238
+ntp.as3741.net 210.182.58.253 2 u 848 1024 377 22.829 -0.139 0.820
-ntp2.as3741.net 155.232.19.7 2 u 359 1024 377 7.168 -0.002 0.194
-ntp2.inx.net.za 183.3.52.101 2 u 451 1024 377 7.320 0.020 0.054
-ntp5.inx.net.za 102.176.229.251 2 u 557 1024 377 7.512 0.095 1.249
#102.222.156.151 196.21.187.2 2 u 11 1024 377 24.746 -3.733 3.823
-ntp2.nog.net.za 80.72.67.48 3 u 705 1024 377 7.399 0.098 0.199
-139.84.231.68 ( 196.21.187.2 2 u 664 1024 377 22.844 -0.195 0.140
-ntp8.inx.net.za 102.176.229.251 2 u 436 1024 377 16.826 0.575 0.048
Thu Jul 16 16:52:57 SAST 2026 [elapsed=9 sec] DISKS
200GB available in /atlas/obs...OK (5866GB)
200GB available in /atlas/red...OK (8815GB)
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 106M 106M 0 100% /snap/core/17284
admin:/dev/loop1 106M 106M 0 100% /snap/core/17292
archon:/dev/sda2 117G 22G 89G 20% /
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
tcs:/dev/mapper/ubuntu--vg-ubuntu--lv 98G 38G 56G 40% /
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 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.9T 12T 14% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 736G 13T 6% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc4:/dev/md0p1 15T 1.1T 13T 8% /
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17292
Thu Jul 16 16:52:57 SAST 2026 [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
Thu Jul 16 16:52:58 SAST 2026 [elapsed=10 sec] Disabling mount tracking.
Thu Jul 16 16:52:58 SAST 2026 [elapsed=10 sec] SERVICES2
Thu Jul 16 16:52:58 SAST 2026 [elapsed=10 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Jul 16 16:53:02 SAST 2026 [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= 930kB time=00:00:29.76 bitrate= 256.0kbits/s speed=1.47e+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 Jul 16 16:56:17 SAST 2026 [elapsed=209 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: 177.40 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Thu Jul 16 16:57:48 SAST 2026 [elapsed=300 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Jul 16 16:58:07 SAST 2026 [elapsed=319 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Thu Jul 16 16:58:07 SAST 2026 [elapsed=319 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=+1725.00 DZDX=-876.00 DZDY=+2791.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Jul 16 16:58:07 SAST 2026 [elapsed=319 sec] WEATHER
status weather: clear 15.1C 24% 24/27kph@311 DP19.9C/-19C/d IDLE
...OK
Thu Jul 16 16:58:08 SAST 2026 [elapsed=319 sec] MET
status...OK
met: c=N o=Y Ro17d Co3d Wo17d Ho3d To28d Do2d IDLE
Thu Jul 16 16:58:08 SAST 2026 [elapsed=320 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Jul 16 16:58:08 SAST 2026 [elapsed=320 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 206.31 -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 7 0.1%
A 0.050s 102 1.1%
A 0.081s 381 4.2%
A 0.111s 722 7.9%
A 0.141s 1172 12.8%
A 0.172s 1762 19.2%
A 0.202s 2442 26.7%
A 0.232s 3234 35.3%
A 0.262s 4133 45.1%
A 0.293s 5084 55.5%
A 0.323s 5964 65.2%
A 0.353s 6756 73.8%
A 0.384s 7420 81.1%
A 0.414s 7999 87.4%
A 0.444s 8466 92.5%
A 0.475s 8793 96.1%
A 0.505s 9021 98.5%
A 0.535s 9151 100.0%
B 0.020s 0 0.0%
B 0.050s 90 1.0%
B 0.081s 374 4.1%
B 0.111s 713 7.8%
B 0.141s 1180 12.9%
B 0.172s 1758 19.2%
B 0.202s 2441 26.7%
B 0.232s 3232 35.3%
B 0.262s 4136 45.2%
B 0.293s 5073 55.4%
B 0.323s 5964 65.2%
B 0.353s 6751 73.7%
B 0.383s 7415 81.0%
B 0.414s 7993 87.3%
B 0.444s 8444 92.2%
B 0.474s 8787 96.0%
B 0.504s 9023 98.6%
B 0.535s 9142 99.9%
B 0.565s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.050s 9070 99.1%
A 0.081s 8783 95.9%
A 0.111s 8426 92.0%
A 0.141s 7985 87.2%
A 0.172s 7393 80.8%
A 0.202s 6716 73.4%
A 0.232s 5925 64.7%
A 0.262s 5012 54.8%
A 0.293s 4072 44.5%
A 0.323s 3194 34.9%
A 0.353s 2401 26.2%
A 0.383s 1730 18.9%
A 0.413s 1165 12.7%
A 0.444s 710 7.8%
A 0.474s 364 4.0%
A 0.504s 136 1.5%
A 0.534s 14 0.2%
A 0.565s -7 0.0%
B 0.020s 9146 99.9%
B 0.050s 9039 98.7%
B 0.081s 8782 95.9%
B 0.111s 8437 92.2%
B 0.141s 7974 87.1%
B 0.171s 7399 80.8%
B 0.202s 6717 73.4%
B 0.232s 5922 64.7%
B 0.262s 5016 54.8%
B 0.293s 4078 44.5%
B 0.323s 3193 34.9%
B 0.353s 2407 26.3%
B 0.383s 1733 18.9%
B 0.414s 1158 12.7%
B 0.444s 710 7.8%
B 0.474s 364 4.0%
B 0.504s 134 1.5%
B 0.535s 15 0.2%
B 0.565s -4 0.0%
A 1 0.0mm 15 N F R | B -4 -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=1e+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 Jul 16 16:58:44 SAST 2026 [elapsed=356 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:
123M Jul 16 16:59 /atlas/obs/03a/61238/03a61238e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Jul 16 16:59:07 SAST 2026 [elapsed=379 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (48 seconds old)
OTA humidity level...OK (15%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Jul 16 16:59:07 SAST 2026 [elapsed=379 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61237.62439300|info|galildriver|using focus model: foc=9187+(4.30)*17.5+(-0.40)*60.2=9238.2
61237.62439766|info|galildriver|o 2 IN | cass: 3043446 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006868 9237 um b=0f [cmd]
bestfocus for o...OK
Thu Jul 16 16:59:08 SAST 2026 [elapsed=380 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Jul 16 16:59:34 SAST 2026 [elapsed=406 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 Jul 16 16:59:36 SAST 2026 [elapsed=408 sec] NOTICES: det_dzdx=-876 is outside range +-250 from -558; det_dzdy=2791 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 Jul 16 16:59:36 SAST 2026 [elapsed=408 sec] Happy observing!
Thu Jul 16 16:59:36 SAST 2026 [elapsed=408 sec] Preflight took 408 seconds to complete.
Thu Jul 16 16:59:36 SAST 2026 [elapsed=408 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 115 1.3% A 0.081s 375 4.1% A 0.111s 723 7.9% A 0.141s 1180 12.9% A 0.171s 1761 19.2% A 0.202s 2442 26.7% A 0.232s 3238 35.4% A 0.262s 4144 45.3% A 0.292s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7414 81.0% A 0.413s 7989 87.3% A 0.443s 8444 92.2% A 0.474s 8784 96.0% A 0.504s 9022 98.6% A 0.534s 9134 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 120 1.3% B 0.080s 389 4.2% B 0.111s 742 8.1% B 0.141s 1201 13.1% B 0.171s 1795 19.6% B 0.202s 2467 26.9% B 0.232s 3267 35.7% B 0.262s 4199 45.9% B 0.292s 5103 55.7% B 0.323s 6017 65.7% B 0.353s 6794 74.2% B 0.383s 7439 81.3% B 0.413s 8001 87.4% B 0.443s 8455 92.4% B 0.474s 8795 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.564s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7959 86.9% A 0.171s 7380 80.6% A 0.201s 6692 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.292s 4069 44.5% A 0.322s 3194 34.9% A 0.352s 2410 26.3% A 0.383s 1731 18.9% A 0.413s 1164 12.7% A 0.443s 706 7.7% A 0.473s 367 4.0% A 0.504s 131 1.4% A 0.534s 15 0.2% A 0.564s 2 0.0% B 0.020s 9146 99.9% B 0.050s 9027 98.6% B 0.081s 8781 95.9% B 0.111s 8435 92.1% B 0.141s 7971 87.1% B 0.171s 7400 80.8% B 0.201s 6715 73.4% B 0.232s 5922 64.7% B 0.262s 5011 54.7% B 0.292s 4083 44.6% B 0.322s 3192 34.9% B 0.352s 2418 26.4% B 0.383s 1724 18.8% B 0.413s 1162 12.7% B 0.443s 725 7.9% B 0.473s 373 4.1% B 0.503s 143 1.6% B 0.534s 18 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R