STH Recent Preflight: 61322
Executing preflight for 61322 at Thu Oct 8 17:46:15 SAST 2026.
Log can be found in /atlas/obs/03/61322/preflight.dat.
Setting donefile '/atlas/obs/03/61322/preflight_complete.20261008154615.1280' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261008154615.1280.
Thu Oct 8 17:46:15 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Oct 8 17:46:15 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [83cb7a67-1c70-4cba-8021-454ea164b42d;1800]
Thu Oct 8 17:46:15 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu Oct 8 17:46:16 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Oct 8 17:46:16 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Thu Oct 8 17:46:16 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Oct 8 17:46:16 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1791474370
OK
Thu Oct 8 17:46:16 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Oct 8 17:46:16 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 Oct 8 17:46:18 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
Thu Oct 8 17:46:18 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Oct 8 17:46:18 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Thu Oct 8 15:46:18 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 791 1024 377 1.126 -0.413 0.318
*metbox2.sth.atl .PPS. 1 u 433 1024 377 0.224 -0.274 0.220
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 727 1024 377 23.339 0.869 0.834
-ntp.as3741.net 146.64.58.41 2 u 232 1024 377 22.856 -0.371 0.257
+ntp2.as3741.net 155.232.19.6 2 u 688 1024 377 7.202 -0.375 0.379
-ntp2.inx.net.za 210.182.58.253 2 u 732 1024 377 7.159 -0.048 0.168
+ntp2.nog.net.za 80.72.67.48 3 u 141 1024 377 7.551 -0.262 0.248
-139.84.231.68 196.21.187.2 2 u 330 1024 377 22.830 -0.698 2.168
-ntp7.inx.net.za 183.3.52.101 2 u 611 1024 377 16.498 -0.039 0.203
+tick.sanren.ac. .TC. 1 u 650 1024 377 23.238 -0.184 0.178
Thu Oct 8 17:46:23 SAST 2026 [elapsed=8 sec] DISKS
200GB available in /atlas/obs...OK (6296GB)
200GB available in /atlas/red...OK (9180GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.3T 6.1T 42% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
admin:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/sda2 117G 22G 89G 20% /
archon:/dev/loop0 106M 106M 0 100% /snap/core/17284
archon:/dev/loop1 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 4.6T 8.8T 35% /
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 15% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
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/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Thu Oct 8 17:46:23 SAST 2026 [elapsed=8 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 Oct 8 17:46:23 SAST 2026 [elapsed=8 sec] Disabling mount tracking.
Thu Oct 8 17:46:23 SAST 2026 [elapsed=8 sec] SERVICES2
Thu Oct 8 17:46:23 SAST 2026 [elapsed=8 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Oct 8 17:46:27 SAST 2026 [elapsed=12 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= 928kB time=00:00:29.69 bitrate= 256.0kbits/s speed=1.38e+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 Oct 8 17:49:01 SAST 2026 [elapsed=166 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: 273.25 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Thu Oct 8 17:49:52 SAST 2026 [elapsed=217 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Oct 8 17:50:12 SAST 2026 [elapsed=237 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Thu Oct 8 17:50:12 SAST 2026 [elapsed=237 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 (-54.3C)
Checking CCD plane: Z0=+1742.00 DZDX=-922.00 DZDY=+3142.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Oct 8 17:50:12 SAST 2026 [elapsed=237 sec] WEATHER
status weather: clear 16.5C 25% 17/24kph@293 DP18.3C/-37C/d IDLE
...OK
Thu Oct 8 17:50:12 SAST 2026 [elapsed=237 sec] MET
status...OK
met: c=N o=Y Ro2d Co1d Wo1d Ho1d To14d Do21h IDLE
Thu Oct 8 17:50:13 SAST 2026 [elapsed=238 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Oct 8 17:50:14 SAST 2026 [elapsed=239 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 302.16 -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 108 1.2%
A 0.081s 392 4.3%
A 0.111s 734 8.0%
A 0.142s 1190 13.0%
A 0.172s 1784 19.5%
A 0.202s 2465 26.9%
A 0.233s 3260 35.6%
A 0.263s 4164 45.5%
A 0.293s 5114 55.9%
A 0.324s 5990 65.4%
A 0.354s 6780 74.1%
A 0.384s 7439 81.3%
A 0.415s 7999 87.4%
A 0.445s 8466 92.5%
A 0.476s 8801 96.1%
A 0.506s 9027 98.6%
A 0.536s 9153 100.0%
B 0.020s 1 0.0%
B 0.050s 97 1.1%
B 0.081s 383 4.2%
B 0.111s 725 7.9%
B 0.141s 1198 13.1%
B 0.172s 1777 19.4%
B 0.202s 2491 27.2%
B 0.232s 3258 35.6%
B 0.263s 4197 45.8%
B 0.293s 5129 56.0%
B 0.323s 6021 65.8%
B 0.354s 6800 74.3%
B 0.384s 7455 81.4%
B 0.414s 8011 87.5%
B 0.444s 8467 92.5%
B 0.475s 8805 96.2%
B 0.505s 9034 98.7%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9064 99.0%
A 0.081s 8772 95.8%
A 0.111s 8413 91.9%
A 0.141s 7970 87.1%
A 0.171s 7372 80.5%
A 0.202s 6693 73.1%
A 0.232s 5897 64.4%
A 0.262s 4983 54.4%
A 0.292s 4044 44.2%
A 0.323s 3166 34.6%
A 0.353s 2377 26.0%
A 0.383s 1710 18.7%
A 0.414s 1147 12.5%
A 0.444s 697 7.6%
A 0.474s 356 3.9%
A 0.505s 128 1.4%
A 0.535s 13 0.1%
A 0.565s -5 0.0%
B 0.020s 9146 99.9%
B 0.051s 9033 98.7%
B 0.081s 8772 95.8%
B 0.111s 8424 92.0%
B 0.141s 7956 86.9%
B 0.172s 7380 80.6%
B 0.202s 6694 73.1%
B 0.232s 5897 64.4%
B 0.262s 4985 54.5%
B 0.293s 4051 44.3%
B 0.323s 3165 34.6%
B 0.353s 2383 26.0%
B 0.383s 1712 18.7%
B 0.414s 1141 12.5%
B 0.444s 697 7.6%
B 0.474s 355 3.9%
B 0.504s 128 1.4%
B 0.535s 11 0.1%
B 0.565s -6 0.0%
A 0 0.0mm 15 N F R | B -6 -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= 224kB time=00:00:07.16 bitrate= 256.1kbits/s speed=1.08e+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
Thu Oct 8 17:50:52 SAST 2026 [elapsed=277 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
124M Oct 8 17:51 /atlas/obs/03a/61322/03a61322e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Oct 8 17:51:15 SAST 2026 [elapsed=300 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (18 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Oct 8 17:51:15 SAST 2026 [elapsed=300 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61321.66059567|info|galildriver|using focus model: foc=9187+(4.30)*17.8+(-0.40)*60.2=9239.4
61321.66060102|info|galildriver|o 2 IN | cass: 3037291 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54020032 9303 um b=8f M [focus]
61321.66061048|info|galildriver|o 2 IN | cass: 3037293 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54014628 9276 um b=8f M [focus]
61321.66062211|info|galildriver|o 2 IN | cass: 3037291 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54007928 9243 um b=8f M [focus]
61321.66062783|info|galildriver|o 2 IN | cass: 3037289 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54006842 9237 um b=8f M [focus]
61321.66063319|info|galildriver|o 2 IN | cass: 3037292 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54006831 9237 um b=8f M [focus]
61321.66063937|info|galildriver|o 2 IN | cass: 3037294 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54006829 9237 um b=0f [cmd]
bestfocus for o...OK
Thu Oct 8 17:51:19 SAST 2026 [elapsed=304 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Oct 8 17:51:45 SAST 2026 [elapsed=330 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 Oct 8 17:51:46 SAST 2026 [elapsed=331 sec] NOTICES: det_dzdx=-922 is outside range +-250 from -558; det_dzdy=3142 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 Oct 8 17:51:46 SAST 2026 [elapsed=331 sec] Happy observing!
Thu Oct 8 17:51:46 SAST 2026 [elapsed=331 sec] Preflight took 331 seconds to complete.
Thu Oct 8 17:51:46 SAST 2026 [elapsed=331 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 115 1.3% A 0.081s 384 4.2% A 0.111s 735 8.0% A 0.141s 1197 13.1% A 0.172s 1781 19.5% A 0.202s 2465 26.9% A 0.232s 3267 35.7% A 0.262s 4174 45.6% A 0.293s 5104 55.8% A 0.323s 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7434 81.2% A 0.413s 8002 87.4% A 0.444s 8458 92.4% A 0.474s 8796 96.1% A 0.504s 9026 98.6% A 0.534s 9139 99.8% A 0.564s 9154 100.0% B 0.020s 1 0.0% B 0.050s 112 1.2% B 0.081s 380 4.2% B 0.111s 728 8.0% B 0.141s 1202 13.1% B 0.171s 1752 19.1% B 0.201s 2442 26.7% B 0.232s 3240 35.4% B 0.262s 4136 45.2% B 0.292s 5076 55.5% B 0.322s 5960 65.1% B 0.352s 6748 73.7% B 0.383s 7419 81.0% B 0.413s 7983 87.2% B 0.443s 8444 92.2% B 0.473s 8788 96.0% B 0.504s 9018 98.5% B 0.534s 9138 99.8% B 0.564s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9043 98.8% A 0.081s 8767 95.8% A 0.111s 8409 91.9% A 0.141s 7941 86.7% A 0.171s 7360 80.4% A 0.201s 6692 73.1% A 0.232s 5868 64.1% A 0.262s 4982 54.4% A 0.292s 4037 44.1% A 0.322s 3167 34.6% A 0.352s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1145 12.5% A 0.443s 693 7.6% A 0.473s 358 3.9% A 0.503s 124 1.4% A 0.533s 13 0.1% A 0.564s 1 0.0% B 0.020s 9142 99.9% B 0.050s 9018 98.5% B 0.081s 8771 95.8% B 0.111s 8420 92.0% B 0.141s 7952 86.9% B 0.171s 7398 80.8% B 0.201s 6712 73.3% B 0.232s 5920 64.7% B 0.262s 5013 54.8% B 0.292s 4054 44.3% B 0.323s 3160 34.5% B 0.353s 2419 26.4% B 0.383s 1723 18.8% B 0.414s 1161 12.7% B 0.444s 699 7.6% B 0.474s 364 4.0% B 0.504s 132 1.4% B 0.535s 15 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R