STH Recent Preflight: 61298
Executing preflight for 61298 at Mon Sep 14 17:30:31 SAST 2026.
Log can be found in /atlas/obs/03/61298/preflight.dat.
Setting donefile '/atlas/obs/03/61298/preflight_complete.20260914153031.4726' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260914153031.4726.
Mon Sep 14 17:30:31 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Sep 14 17:30:31 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [fb8faa8d-2509-4302-9949-6ecf6eb2805b;1800]
Mon Sep 14 17:30:31 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Sep 14 17:30:32 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Sep 14 17:30:32 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Mon Sep 14 17:30:32 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Sep 14 17:30:32 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1789399827
OK
Mon Sep 14 17:30:32 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Sep 14 17:30:32 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
Mon Sep 14 17:30:34 SAST 2026 [elapsed=3 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
Mon Sep 14 17:30:34 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Sep 14 17:30:34 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Mon Sep 14 15:30:34 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 1032 1024 377 1.017 -0.054 0.066
+metbox2.sth.atl .PPS. 1 u 946 1024 377 0.336 -0.032 0.069
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 229.179.94.34 2 u 480 1024 377 23.296 -0.110 0.550
+ntp.as3741.net 146.64.8.7 2 u 824 1024 377 22.877 -0.062 1.274
-ntp2.as3741.net 155.232.19.6 2 u 80 1024 377 7.315 0.005 0.123
-ntp2.inx.net.za 210.182.58.253 2 u 86 1024 377 7.127 0.075 0.096
-ntp5.inx.net.za 102.176.229.251 2 u 734 1024 377 7.845 0.056 0.281
#102.222.156.151 196.21.187.2 2 u 122 1024 377 23.414 -0.226 0.693
+ntp2.nog.net.za 80.72.67.48 3 u 395 1024 377 7.578 -0.008 0.110
-139.84.231.68 ( 196.21.187.2 2 u 915 1024 377 23.218 0.099 0.773
-ntp8.inx.net.za 102.176.229.251 2 u 582 1024 377 16.877 -0.183 0.118
Mon Sep 14 17:30:36 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5203GB)
200GB available in /atlas/red...OK (8419GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 5.3T 5.0T 52% /
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 5.4T 8.1T 40% /
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
Mon Sep 14 17:30:36 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
Mon Sep 14 17:30:37 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Mon Sep 14 17:30:37 SAST 2026 [elapsed=6 sec] SERVICES2
Mon Sep 14 17:30:37 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Sep 14 17:30:41 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= 910kB time=00:00:29.12 bitrate= 256.0kbits/s speed=1.5e+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
Mon Sep 14 17:33:57 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: 245.81 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Mon Sep 14 17:34:47 SAST 2026 [elapsed=256 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Sep 14 17:35:06 SAST 2026 [elapsed=275 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Mon Sep 14 17:35:06 SAST 2026 [elapsed=275 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 (-55.0C)
Checking CCD plane: Z0=+1692.00 DZDX=-888.00 DZDY=+1996.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Sep 14 17:35:06 SAST 2026 [elapsed=275 sec] WEATHER
status weather: C+ W H+ 8.3C 88% 38/45kph@326 DP-1.2C/-122C/d IDLE
...OK
Mon Sep 14 17:35:07 SAST 2026 [elapsed=276 sec] MET
status...OK
met: c=Y o=N Ro1h Cx29 Wo10h Hx3 To88d Do1d wait CH IDLE
Mon Sep 14 17:35:07 SAST 2026 [elapsed=276 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Sep 14 17:35:07 SAST 2026 [elapsed=276 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 274.73 -14.64, 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 8 0.1%
A 0.051s 115 1.3%
A 0.081s 399 4.4%
A 0.111s 748 8.2%
A 0.142s 1206 13.2%
A 0.172s 1801 19.7%
A 0.202s 2491 27.2%
A 0.232s 3286 35.9%
A 0.263s 4192 45.8%
A 0.293s 5145 56.2%
A 0.323s 6019 65.8%
A 0.354s 6803 74.3%
A 0.384s 7458 81.5%
A 0.414s 8017 87.6%
A 0.445s 8479 92.6%
A 0.475s 8803 96.2%
A 0.505s 9027 98.6%
A 0.536s 9154 100.0%
B 0.020s 2 0.0%
B 0.051s 105 1.1%
B 0.081s 392 4.3%
B 0.111s 739 8.1%
B 0.141s 1214 13.3%
B 0.171s 1797 19.6%
B 0.202s 2489 27.2%
B 0.232s 3283 35.9%
B 0.262s 4198 45.9%
B 0.293s 5131 56.1%
B 0.323s 6020 65.8%
B 0.353s 6796 74.2%
B 0.383s 7456 81.5%
B 0.414s 8029 87.7%
B 0.444s 8467 92.5%
B 0.474s 8809 96.2%
B 0.505s 9036 98.7%
B 0.535s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9066 99.0%
A 0.081s 8774 95.8%
A 0.111s 8414 91.9%
A 0.141s 7970 87.1%
A 0.172s 7374 80.6%
A 0.202s 6692 73.1%
A 0.232s 5898 64.4%
A 0.262s 4981 54.4%
A 0.293s 4046 44.2%
A 0.323s 3167 34.6%
A 0.353s 2374 25.9%
A 0.384s 1709 18.7%
A 0.414s 1147 12.5%
A 0.444s 695 7.6%
A 0.474s 355 3.9%
A 0.505s 129 1.4%
A 0.535s 12 0.1%
A 0.565s -8 0.0%
B 0.020s 9146 99.9%
B 0.050s 9032 98.7%
B 0.081s 8773 95.8%
B 0.111s 8425 92.0%
B 0.141s 7957 86.9%
B 0.171s 7379 80.6%
B 0.202s 6695 73.1%
B 0.232s 5897 64.4%
B 0.262s 4985 54.5%
B 0.292s 4051 44.3%
B 0.323s 3164 34.6%
B 0.353s 2384 26.0%
B 0.383s 1712 18.7%
B 0.413s 1140 12.5%
B 0.444s 697 7.6%
B 0.474s 356 3.9%
B 0.504s 126 1.4%
B 0.535s 12 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 0.536 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= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.11e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9228 IDLE
Mon Sep 14 17:35:44 SAST 2026 [elapsed=313 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 14 17:36 /atlas/obs/03a/61298/03a61298e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Sep 14 17:36:06 SAST 2026 [elapsed=335 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (76 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Sep 14 17:36:06 SAST 2026 [elapsed=335 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61297.65007962|info|galildriver|using focus model: foc=9187+(4.30)*13.4+(-0.40)*60.2=9220.5
61297.65008463|info|galildriver|o 2 IN | cass: 3041006 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005005 9228 um b=8f M [focus]
61297.65009478|info|galildriver|o 2 IN | cass: 3041011 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005018 9228 um b=0f [cmd]
bestfocus for o...OK
Mon Sep 14 17:36:09 SAST 2026 [elapsed=338 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Sep 14 17:36:35 SAST 2026 [elapsed=364 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
Mon Sep 14 17:36:37 SAST 2026 [elapsed=366 sec] NOTICES: det_dzdx=-888 is outside range +-250 from -558; det_dzdy=1996 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Mon Sep 14 17:36:37 SAST 2026 [elapsed=366 sec] Happy observing!
Mon Sep 14 17:36:37 SAST 2026 [elapsed=366 sec] Preflight took 366 seconds to complete.
Mon Sep 14 17:36:37 SAST 2026 [elapsed=366 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