STH Recent Preflight: 61285
Executing preflight for 61285 at Tue Sep 1 17:22:30 SAST 2026.
Log can be found in /atlas/obs/03/61285/preflight.dat.
Setting donefile '/atlas/obs/03/61285/preflight_complete.20260901152230.30267' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260901152230.30267.
Tue Sep 1 17:22:30 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Sep 1 17:22:30 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [bab05f1e-c077-4b94-8143-f4cc00310597;1800]
Tue Sep 1 17:22:30 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue Sep 1 17:22:31 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Sep 1 17:22:31 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Tue Sep 1 17:22:31 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Sep 1 17:22:31 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1788276151
OK
Tue Sep 1 17:22:31 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Sep 1 17:22:31 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 1 17:22:33 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
Tue Sep 1 17:22:34 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Tue Sep 1 17:22:34 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Tue Sep 1 15:22:34 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 661 1024 377 0.999 -0.092 0.279
*metbox2.sth.atl .PPS. 1 u 1017 1024 377 0.267 -0.071 0.205
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 155.232.19.8 2 u 658 1024 377 24.867 -0.239 0.522
+ntp.as3741.net 146.64.58.41 2 u 620 1024 377 24.447 0.024 0.346
+ntp2.as3741.net 146.64.58.41 2 u 204 1024 377 7.318 -0.021 0.107
+ntp2.inx.net.za 183.3.52.101 2 u 106 1024 377 7.334 -0.117 0.227
+ntp5.inx.net.za 196.21.187.2 2 u 957 1024 377 7.543 -0.055 0.247
#102.222.156.151 129.134.26.123 2 u 849 1024 357 24.179 -1.127 0.652
+ntp2.nog.net.za 80.72.67.48 3 u 1021 1024 377 7.550 -0.082 0.255
+139.84.231.68 ( 196.21.187.2 2 u 274 1024 377 31.084 -0.688 2.167
-ntp8.inx.net.za 183.3.52.101 2 u 63 1024 377 16.878 0.608 0.350
Tue Sep 1 17:22:37 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (4607GB)
200GB available in /atlas/red...OK (7547GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 5.9T 4.4T 57% /
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 6.2T 7.2T 47% /
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 738G 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 1 17:22:37 SAST 2026 [elapsed=7 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 1 17:22:37 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Tue Sep 1 17:22:37 SAST 2026 [elapsed=7 sec] SERVICES2
Tue Sep 1 17:22:37 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Sep 1 17:22:41 SAST 2026 [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= 912kB time=00:00:29.18 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
Tue Sep 1 17:25:14 SAST 2026 [elapsed=164 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: 230.82 -29.49, az/alt=324.74 +86.49 idle(e) IDLE
Tue Sep 1 17:26:05 SAST 2026 [elapsed=215 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Sep 1 17:26:25 SAST 2026 [elapsed=235 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Tue Sep 1 17:26:25 SAST 2026 [elapsed=235 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (7 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.2C)
Checking CCD plane: Z0=+1749.00 DZDX=-894.00 DZDY=+3293.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Sep 1 17:26:25 SAST 2026 [elapsed=235 sec] WEATHER
status weather: clear 18.8C 34% 24/36kph@345 DP15.5C/-26C/d IDLE
...OK
Tue Sep 1 17:26:26 SAST 2026 [elapsed=236 sec] MET
status...OK
met: c=N o=Y Ro3d Co1d Wo3d Ho1d To75d Do1d IDLE
Tue Sep 1 17:26:26 SAST 2026 [elapsed=236 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Sep 1 17:26:28 SAST 2026 [elapsed=238 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 259.73 -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 8 0.1%
A 0.051s 116 1.3%
A 0.081s 404 4.4%
A 0.111s 745 8.1%
A 0.142s 1207 13.2%
A 0.172s 1803 19.7%
A 0.202s 2490 27.2%
A 0.232s 3288 35.9%
A 0.263s 4193 45.8%
A 0.293s 5145 56.2%
A 0.323s 6019 65.8%
A 0.354s 6803 74.3%
A 0.384s 7459 81.5%
A 0.414s 8016 87.6%
A 0.444s 8477 92.6%
A 0.475s 8800 96.1%
A 0.505s 9028 98.6%
A 0.535s 9153 100.0%
B 0.020s 1 0.0%
B 0.050s 104 1.1%
B 0.081s 395 4.3%
B 0.111s 738 8.1%
B 0.141s 1216 13.3%
B 0.172s 1797 19.6%
B 0.202s 2490 27.2%
B 0.232s 3284 35.9%
B 0.263s 4198 45.9%
B 0.293s 5133 56.1%
B 0.323s 6021 65.8%
B 0.353s 6797 74.3%
B 0.384s 7457 81.5%
B 0.414s 8026 87.7%
B 0.444s 8467 92.5%
B 0.475s 8807 96.2%
B 0.505s 9033 98.7%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.050s 9058 99.0%
A 0.081s 8772 95.8%
A 0.111s 8414 91.9%
A 0.141s 7969 87.1%
A 0.171s 7372 80.5%
A 0.202s 6692 73.1%
A 0.232s 5898 64.4%
A 0.262s 4981 54.4%
A 0.292s 4043 44.2%
A 0.323s 3167 34.6%
A 0.353s 2375 25.9%
A 0.383s 1710 18.7%
A 0.413s 1149 12.6%
A 0.444s 697 7.6%
A 0.474s 355 3.9%
A 0.504s 129 1.4%
A 0.535s 12 0.1%
A 0.565s -7 0.0%
B 0.020s 9144 99.9%
B 0.051s 9026 98.6%
B 0.081s 8762 95.7%
B 0.111s 8409 91.9%
B 0.141s 7940 86.7%
B 0.172s 7358 80.4%
B 0.202s 6671 72.9%
B 0.232s 5869 64.1%
B 0.263s 4955 54.1%
B 0.293s 4022 43.9%
B 0.323s 3136 34.3%
B 0.353s 2361 25.8%
B 0.384s 1693 18.5%
B 0.414s 1126 12.3%
B 0.444s 685 7.5%
B 0.474s 347 3.8%
B 0.505s 121 1.3%
B 0.535s 12 0.1%
B 0.565s -2 0.0%
A 1 0.0mm 15 N F R | B -2 -0.1mm 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= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.06e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9304 IDLE
Tue Sep 1 17:27:05 SAST 2026 [elapsed=275 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:
124M Sep 1 17:27 /atlas/obs/03a/61285/03a61285e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Sep 1 17:27:28 SAST 2026 [elapsed=298 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (8 seconds old)
OTA humidity level...OK (22%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Sep 1 17:27:28 SAST 2026 [elapsed=298 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61284.64407880|info|galildriver|using focus model: foc=9187+(4.30)*19.0+(-0.40)*60.2=9244.6
61284.64408416|info|galildriver|o 2 IN | cass: 3037943 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54019394 9300 um b=8f M [focus]
61284.64409324|info|galildriver|o 2 IN | cass: 3037940 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54014137 9274 um b=8f M [focus]
61284.64410663|info|galildriver|o 2 IN | cass: 3037947 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54008397 9245 um b=8f M [focus]
61284.64411223|info|galildriver|o 2 IN | cass: 3037940 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54008309 9245 um b=0f [cmd]
bestfocus for o...OK
Tue Sep 1 17:27:31 SAST 2026 [elapsed=301 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Sep 1 17:27:57 SAST 2026 [elapsed=327 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 1 17:27:58 SAST 2026 [elapsed=328 sec] NOTICES: det_dzdx=-894 is outside range +-250 from -558; det_dzdy=3293 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 1 17:27:58 SAST 2026 [elapsed=328 sec] Happy observing!
Tue Sep 1 17:27:58 SAST 2026 [elapsed=328 sec] Preflight took 328 seconds to complete.
Tue Sep 1 17:27:58 SAST 2026 [elapsed=328 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 396 4.3% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.172s 1783 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.293s 5103 55.7% A 0.323s 5998 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.414s 8006 87.5% A 0.444s 8456 92.4% A 0.474s 8792 96.0% A 0.504s 9028 98.6% A 0.535s 9136 99.8% A 0.565s 9151 100.0% B 0.020s 2 0.0% B 0.050s 113 1.2% B 0.081s 380 4.2% B 0.111s 728 8.0% B 0.141s 1202 13.1% B 0.171s 1773 19.4% B 0.201s 2464 26.9% B 0.232s 3270 35.7% B 0.262s 4168 45.5% B 0.292s 5102 55.7% B 0.322s 5987 65.4% B 0.353s 6771 74.0% B 0.383s 7442 81.3% B 0.413s 8001 87.4% B 0.443s 8456 92.4% B 0.474s 8786 96.0% B 0.504s 9017 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 9057 98.9% A 0.081s 8788 96.0% A 0.111s 8434 92.1% A 0.141s 7976 87.1% A 0.171s 7401 80.8% A 0.201s 6717 73.4% A 0.231s 5922 64.7% A 0.262s 5014 54.8% A 0.292s 4069 44.5% A 0.322s 3194 34.9% A 0.352s 2434 26.6% A 0.383s 1731 18.9% A 0.413s 1164 12.7% A 0.443s 718 7.8% A 0.473s 376 4.1% A 0.503s 136 1.5% A 0.534s 17 0.2% A 0.564s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9021 98.5% B 0.081s 8772 95.8% B 0.111s 8424 92.0% B 0.141s 7937 86.7% B 0.172s 7358 80.4% B 0.202s 6666 72.8% B 0.232s 5893 64.4% B 0.262s 4981 54.4% B 0.293s 4056 44.3% B 0.323s 3164 34.6% B 0.353s 2392 26.1% B 0.383s 1701 18.6% B 0.414s 1147 12.5% B 0.444s 699 7.6% B 0.474s 356 3.9% B 0.504s 132 1.4% B 0.534s 14 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R