STH Recent Preflight: 61306
Executing preflight for 61306 at Tue Sep 22 20:07:52 SAST 2026.
Log can be found in /atlas/obs/03/61306/preflight.dat.
Setting donefile '/atlas/obs/03/61306/preflight_complete.20260922180752.7151' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260922180752.7151.
Tue Sep 22 20:07:52 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Sep 22 20:07:52 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [5de814b9-2128-490e-a258-5c810e4d204d;1800]
Tue Sep 22 20:07:52 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue Sep 22 20:07:52 SAST 2026 [elapsed=0 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Sep 22 20:07:53 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Tue Sep 22 20:07:53 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Sep 22 20:07:53 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1790100470
OK
Tue Sep 22 20:07:53 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Sep 22 20:07:53 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
Tue Sep 22 20:07:54 SAST 2026 [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
Tue Sep 22 20:07:54 SAST 2026 [elapsed=2 sec] QUEUE
0 observations queued.
Tue Sep 22 20:07:54 SAST 2026 [elapsed=2 sec] CLOCKS
admin: Tue Sep 22 18:07:54 UTC 2026
metbox: 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 182 256 137 0.998 -0.070 0.048
*metbox2.sth.atl .PPS. 1 u 164 512 377 0.282 -0.063 755.883
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 125 512 377 23.211 0.134 0.060
+ntp.as3741.net 155.232.19.6 2 u 206 256 377 22.805 -0.095 1.424
-ntp2.as3741.net 155.232.19.6 2 u 120 512 377 7.198 0.137 0.038
-ntp2.inx.net.za 210.182.58.253 2 u 87 512 377 7.252 0.155 0.031
-ntp5.inx.net.za 102.176.229.251 2 u 104 512 377 7.885 0.029 0.221
#102.222.156.151 155.232.19.6 2 u 408 1024 157 24.613 0.845 1.535
-ntp2.nog.net.za 80.72.67.48 3 u 117 512 377 7.477 -0.004 0.041
-139.84.231.68 196.21.187.2 2 u 56 512 377 22.795 0.047 0.944
-ntp8.inx.net.za 183.3.52.101 2 u 113 512 377 16.445 0.386 18.403
Tue Sep 22 20:07:56 SAST 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (5807GB)
200GB available in /atlas/red...OK (8982GB)
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 41% /
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 4.8T 8.6T 36% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.8T 12T 13% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 737G 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
Tue Sep 22 20:07:56 SAST 2026 [elapsed=4 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
Tue Sep 22 20:07:56 SAST 2026 [elapsed=4 sec] Disabling mount tracking.
Tue Sep 22 20:07:56 SAST 2026 [elapsed=4 sec] SERVICES2
Tue Sep 22 20:07:56 SAST 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Sep 22 20:08:00 SAST 2026 [elapsed=8 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= 922kB time=00:00:29.50 bitrate= 256.0kbits/s speed=1.55e+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
Tue Sep 22 20:10:59 SAST 2026 [elapsed=187 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: 293.00 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Tue Sep 22 20:11:35 SAST 2026 [elapsed=223 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Sep 22 20:11:54 SAST 2026 [elapsed=242 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Tue Sep 22 20:11:54 SAST 2026 [elapsed=242 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (4 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.4C)
Checking CCD plane: Z0=+1730.00 DZDX=-891.00 DZDY=+2861.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Sep 22 20:11:54 SAST 2026 [elapsed=242 sec] WEATHER
status weather: C+ H 14.8C 81% 11/13kph@34 DP3.5C/1C/d IDLE
...OK
Tue Sep 22 20:11:55 SAST 2026 [elapsed=243 sec] MET
status...OK
met: c=Y o=N Rc0 Cx6 Wc0 Hs0 Tc2 Dc2 wait RCWHTD IDLE
Tue Sep 22 20:11:55 SAST 2026 [elapsed=243 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Sep 22 20:11:57 SAST 2026 [elapsed=245 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 321.92 -14.63, az/alt=59.90 +60.06 tracking(w) IDLE 0s
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 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 390 4.3%
A 0.111s 734 8.0%
A 0.142s 1189 13.0%
A 0.172s 1782 19.5%
A 0.202s 2466 26.9%
A 0.232s 3258 35.6%
A 0.263s 4163 45.5%
A 0.293s 5115 55.9%
A 0.323s 5990 65.4%
A 0.353s 6780 74.1%
A 0.384s 7439 81.3%
A 0.414s 7999 87.4%
A 0.444s 8467 92.5%
A 0.475s 8793 96.1%
A 0.505s 9021 98.5%
A 0.535s 9154 100.0%
B 0.020s 2 0.0%
B 0.050s 105 1.1%
B 0.081s 395 4.3%
B 0.111s 739 8.1%
B 0.141s 1213 13.3%
B 0.172s 1797 19.6%
B 0.202s 2489 27.2%
B 0.232s 3282 35.9%
B 0.262s 4197 45.8%
B 0.293s 5131 56.1%
B 0.323s 6021 65.8%
B 0.353s 6796 74.2%
B 0.384s 7456 81.5%
B 0.414s 8027 87.7%
B 0.444s 8467 92.5%
B 0.475s 8807 96.2%
B 0.505s 9035 98.7%
B 0.535s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9065 99.0%
A 0.081s 8761 95.7%
A 0.111s 8402 91.8%
A 0.141s 7951 86.9%
A 0.172s 7352 80.3%
A 0.202s 6670 72.9%
A 0.232s 5868 64.1%
A 0.263s 4952 54.1%
A 0.293s 4015 43.9%
A 0.323s 3138 34.3%
A 0.353s 2352 25.7%
A 0.384s 1688 18.4%
A 0.414s 1130 12.3%
A 0.444s 686 7.5%
A 0.475s 346 3.8%
A 0.505s 123 1.3%
A 0.535s 11 0.1%
A 0.565s -6 0.0%
B 0.020s 9146 99.9%
B 0.051s 9038 98.7%
B 0.081s 8782 95.9%
B 0.111s 8436 92.2%
B 0.141s 7973 87.1%
B 0.172s 7400 80.8%
B 0.202s 6718 73.4%
B 0.232s 5924 64.7%
B 0.263s 5016 54.8%
B 0.293s 4078 44.5%
B 0.323s 3193 34.9%
B 0.353s 2406 26.3%
B 0.384s 1732 18.9%
B 0.414s 1158 12.7%
B 0.444s 709 7.7%
B 0.475s 365 4.0%
B 0.505s 133 1.5%
B 0.535s 14 0.2%
B 0.565s -5 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 99.9 percent in 0.535 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= 232kB time=00:00:07.42 bitrate= 256.1kbits/s speed=1.03e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9236 IDLE
Tue Sep 22 20:12:36 SAST 2026 [elapsed=284 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Sep 22 20:12 /atlas/obs/03a/61306/03a61306e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Sep 22 20:12:58 SAST 2026 [elapsed=306 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (33 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Sep 22 20:12:58 SAST 2026 [elapsed=306 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61305.75901748|info|galildriver|using focus model: foc=9187+(4.30)*16.9+(-0.40)*60.2=9235.6
61305.75902217|info|galildriver|o 2 IN | cass: 3039005 15.20 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006617 9236 um b=0f [cmd]
bestfocus for o...OK
Tue Sep 22 20:13:00 SAST 2026 [elapsed=308 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Sep 22 20:13:26 SAST 2026 [elapsed=334 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
Tue Sep 22 20:13:27 SAST 2026 [elapsed=335 sec] NOTICES: det_dzdx=-891 is outside range +-250 from -558; det_dzdy=2861 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Tue Sep 22 20:13:27 SAST 2026 [elapsed=335 sec] Happy observing!
Tue Sep 22 20:13:27 SAST 2026 [elapsed=335 sec] Preflight took 335 seconds to complete.
Tue Sep 22 20:13:27 SAST 2026 [elapsed=335 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 108 1.2% A 0.081s 373 4.1% A 0.111s 723 7.9% A 0.141s 1180 12.9% A 0.171s 1760 19.2% A 0.202s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.292s 5074 55.4% A 0.322s 5944 64.9% A 0.352s 6729 73.5% A 0.383s 7392 80.8% A 0.413s 7972 87.1% A 0.443s 8432 92.1% A 0.474s 8775 95.9% A 0.504s 9015 98.5% A 0.534s 9135 99.8% A 0.564s 9155 100.0% B 0.020s 2 0.0% B 0.050s 111 1.2% B 0.081s 380 4.2% B 0.111s 727 7.9% B 0.141s 1203 13.1% B 0.171s 1773 19.4% B 0.201s 2467 26.9% B 0.231s 3270 35.7% B 0.262s 4165 45.5% B 0.292s 5103 55.7% B 0.322s 5988 65.4% B 0.352s 6772 74.0% B 0.383s 7440 81.3% B 0.413s 7985 87.2% B 0.443s 8455 92.4% B 0.473s 8785 96.0% B 0.503s 9018 98.5% B 0.534s 9136 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9056 98.9% A 0.081s 8788 96.0% A 0.111s 8433 92.1% A 0.141s 7975 87.1% A 0.171s 7401 80.8% A 0.202s 6716 73.4% A 0.232s 5921 64.7% A 0.262s 5013 54.8% A 0.293s 4068 44.4% A 0.323s 3193 34.9% A 0.353s 2409 26.3% A 0.383s 1730 18.9% A 0.413s 1164 12.7% A 0.444s 705 7.7% A 0.474s 368 4.0% A 0.504s 131 1.4% A 0.534s 14 0.2% A 0.564s 1 0.0% B 0.020s 9142 99.9% B 0.050s 9015 98.5% B 0.081s 8763 95.7% B 0.111s 8410 91.9% B 0.141s 7953 86.9% B 0.171s 7379 80.6% B 0.201s 6689 73.1% B 0.232s 5892 64.4% B 0.262s 4982 54.4% B 0.292s 4056 44.3% B 0.322s 3164 34.6% B 0.352s 2390 26.1% B 0.383s 1701 18.6% B 0.413s 1149 12.6% B 0.443s 698 7.6% B 0.473s 357 3.9% B 0.503s 133 1.5% B 0.534s 14 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R