STH Recent Preflight: 61297
Executing preflight for 61297 at Sun Sep 13 17:30:00 SAST 2026.
Log can be found in /atlas/obs/03/61297/preflight.dat.
Setting donefile '/atlas/obs/03/61297/preflight_complete.20260913153000.4726' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260913153000.4726.
Sun Sep 13 17:30:01 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Sep 13 17:30:01 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [abd1b776-e7d8-4abf-94ff-8d1549db1de2;1800]
Sun Sep 13 17:30:01 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun Sep 13 17:30:01 SAST 2026 [elapsed=0 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Sep 13 17:30:01 SAST 2026 [elapsed=0 sec] auxcam is disabled.
Sun Sep 13 17:30:01 SAST 2026 [elapsed=0 sec] Skipping auxcam.
error: unknown module: vent
Sun Sep 13 17:30:01 SAST 2026 [elapsed=0 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1789313392
OK
Sun Sep 13 17:30:01 SAST 2026 [elapsed=0 sec] OPSEC
AUTO mode: ...OK
Sun Sep 13 17:30:01 SAST 2026 [elapsed=0 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
Sun Sep 13 17:30:03 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
Sun Sep 13 17:30:04 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Sep 13 17:30:04 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sun Sep 13 15:30:04 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 483 512 377 0.969 -0.219 0.359
+metbox2.sth.atl .PPS. 1 u 530 512 377 0.249 -0.453 0.298
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 155.232.19.8 2 u 92 512 377 23.241 -0.510 0.442
+ntp.as3741.net 146.64.8.7 2 u 232 512 377 22.902 -0.445 0.717
+ntp2.as3741.net 155.232.19.6 2 u 337 512 377 7.282 -0.293 0.281
+ntp2.inx.net.za 183.3.52.101 2 u 84 512 377 7.274 -0.349 0.995
+ntp5.inx.net.za 102.176.229.251 2 u 513 512 377 7.813 -0.406 1.954
#102.222.156.151 196.21.187.2 2 u 410 1024 377 23.445 -0.391 1.073
+ntp2.nog.net.za 80.72.67.48 3 u 125 512 377 7.604 -0.234 0.530
+139.84.231.68 ( 196.21.187.2 2 u 355 512 377 22.787 -0.469 2.128
+ntp8.inx.net.za 183.3.52.101 2 u 120 512 377 16.730 -0.073 0.577
Sun Sep 13 17:30:06 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5093GB)
200GB available in /atlas/red...OK (8278GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 5.4T 4.9T 53% /
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 5.5T 7.9T 41% /
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
Sun Sep 13 17:30:06 SAST 2026 [elapsed=5 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
Sun Sep 13 17:30:06 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Sun Sep 13 17:30:07 SAST 2026 [elapsed=6 sec] SERVICES2
Sun Sep 13 17:30:07 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Sep 13 17:30:11 SAST 2026 [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= 914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.46e+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
Sun Sep 13 17:33:27 SAST 2026 [elapsed=206 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: 244.70 -29.49, az/alt=324.74 +86.49 idle(e) IDLE
Sun Sep 13 17:34:18 SAST 2026 [elapsed=257 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Sep 13 17:34:38 SAST 2026 [elapsed=277 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Sun Sep 13 17:34:38 SAST 2026 [elapsed=277 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (9 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.6C)
Checking CCD plane: Z0=+1722.00 DZDX=-885.00 DZDY=+2676.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Sep 13 17:34:38 SAST 2026 [elapsed=277 sec] WEATHER
status weather: R+ H+ 11.5C 89% 21/26kph@272 DP0.8C/-39C/d IDLE
...OK
Sun Sep 13 17:34:39 SAST 2026 [elapsed=278 sec] MET
status...OK
met: c=Y o=N Rx38 Cx1h Wo8d Hx14 To87d Do0 wait RCH IDLE
Sun Sep 13 17:34:39 SAST 2026 [elapsed=278 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Sep 13 17:34:41 SAST 2026 [elapsed=279 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 273.62 -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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.051s 100 1.1%
A 0.081s 391 4.3%
A 0.111s 736 8.0%
A 0.142s 1189 13.0%
A 0.172s 1782 19.5%
A 0.202s 2467 26.9%
A 0.232s 3259 35.6%
A 0.263s 4162 45.5%
A 0.293s 5115 55.9%
A 0.323s 5991 65.4%
A 0.354s 6779 74.1%
A 0.384s 7440 81.3%
A 0.414s 7999 87.4%
A 0.445s 8466 92.5%
A 0.475s 8794 96.1%
A 0.505s 9020 98.5%
A 0.535s 9151 100.0%
B 0.020s 0 0.0%
B 0.051s 92 1.0%
B 0.081s 383 4.2%
B 0.111s 726 7.9%
B 0.142s 1197 13.1%
B 0.172s 1777 19.4%
B 0.202s 2464 26.9%
B 0.232s 3256 35.6%
B 0.262s 4136 45.2%
B 0.293s 5073 55.4%
B 0.323s 5964 65.2%
B 0.353s 6752 73.8%
B 0.383s 7416 81.0%
B 0.414s 7995 87.3%
B 0.444s 8443 92.2%
B 0.474s 8789 96.0%
B 0.504s 9023 98.6%
B 0.535s 9142 99.9%
B 0.565s 9161 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9065 99.0%
A 0.081s 8772 95.8%
A 0.111s 8413 91.9%
A 0.142s 7970 87.1%
A 0.172s 7374 80.6%
A 0.202s 6692 73.1%
A 0.233s 5898 64.4%
A 0.263s 4982 54.4%
A 0.293s 4045 44.2%
A 0.323s 3167 34.6%
A 0.354s 2375 25.9%
A 0.384s 1709 18.7%
A 0.414s 1148 12.5%
A 0.445s 696 7.6%
A 0.475s 355 3.9%
A 0.505s 130 1.4%
A 0.536s 12 0.1%
A 0.566s -7 0.0%
B 0.020s 9144 99.9%
B 0.050s 9025 98.6%
B 0.081s 8763 95.7%
B 0.111s 8411 91.9%
B 0.141s 7941 86.7%
B 0.172s 7359 80.4%
B 0.202s 6672 72.9%
B 0.232s 5869 64.1%
B 0.262s 4955 54.1%
B 0.293s 4021 43.9%
B 0.323s 3137 34.3%
B 0.353s 2362 25.8%
B 0.383s 1692 18.5%
B 0.413s 1125 12.3%
B 0.444s 685 7.5%
B 0.474s 345 3.8%
B 0.504s 121 1.3%
B 0.535s 11 0.1%
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 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 0.565 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.14e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9227 IDLE
Sun Sep 13 17:35:17 SAST 2026 [elapsed=316 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 13 17:35 /atlas/obs/03a/61297/03a61297e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Sep 13 17:35:40 SAST 2026 [elapsed=339 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (50 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Sep 13 17:35:40 SAST 2026 [elapsed=339 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61296.64977487|info|galildriver|using focus model: foc=9187+(4.30)*15.9+(-0.40)*60.2=9231.3
61296.64977988|info|galildriver|o 2 IN | cass: 3039661 15.20 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54004862 9227 um b=8f M [focus]
61296.64979002|info|galildriver|o 2 IN | cass: 3039662 15.20 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54004856 9227 um b=0f [cmd]
bestfocus for o...OK
Sun Sep 13 17:35:42 SAST 2026 [elapsed=341 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Sep 13 17:36:08 SAST 2026 [elapsed=367 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
Sun Sep 13 17:36:10 SAST 2026 [elapsed=369 sec] NOTICES: det_dzdx=-885 is outside range +-250 from -558; det_dzdy=2676 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sun Sep 13 17:36:10 SAST 2026 [elapsed=369 sec] Happy observing!
Sun Sep 13 17:36:10 SAST 2026 [elapsed=369 sec] Preflight took 369 seconds to complete.
Sun Sep 13 17:36:10 SAST 2026 [elapsed=369 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 113 1.2% A 0.081s 386 4.2% A 0.111s 737 8.1% A 0.141s 1196 13.1% A 0.171s 1783 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.292s 5075 55.4% A 0.322s 5970 65.2% A 0.353s 6751 73.7% A 0.383s 7413 81.0% A 0.413s 7988 87.3% A 0.443s 8445 92.3% A 0.473s 8783 95.9% A 0.504s 9021 98.5% A 0.534s 9136 99.8% A 0.564s 9154 100.0% B 0.020s 1 0.0% B 0.050s 105 1.1% B 0.081s 371 4.1% B 0.111s 714 7.8% B 0.141s 1185 12.9% B 0.171s 1751 19.1% B 0.201s 2442 26.7% B 0.232s 3242 35.4% B 0.262s 4136 45.2% B 0.292s 5071 55.4% B 0.322s 5960 65.1% B 0.352s 6727 73.5% B 0.383s 7400 80.8% B 0.413s 7969 87.1% B 0.443s 8430 92.1% B 0.473s 8776 95.9% B 0.504s 9012 98.4% 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 9050 98.9% A 0.081s 8778 95.9% A 0.111s 8420 92.0% A 0.141s 7959 86.9% A 0.171s 7380 80.6% A 0.202s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4981 54.4% A 0.292s 4039 44.1% A 0.322s 3167 34.6% A 0.353s 2386 26.1% A 0.383s 1711 18.7% A 0.413s 1147 12.5% A 0.443s 693 7.6% A 0.473s 367 4.0% A 0.504s 125 1.4% A 0.534s 15 0.2% A 0.564s 1 0.0% B 0.020s 9143 99.9% B 0.050s 9023 98.6% B 0.081s 8773 95.8% B 0.111s 8424 92.0% B 0.141s 7953 86.9% B 0.171s 7380 80.6% B 0.202s 6689 73.1% B 0.232s 5891 64.4% B 0.262s 5013 54.8% B 0.292s 4055 44.3% B 0.323s 3164 34.6% B 0.353s 2391 26.1% B 0.383s 1702 18.6% B 0.413s 1147 12.5% B 0.444s 712 7.8% B 0.474s 357 3.9% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R