STH Recent Preflight: 61261
Executing preflight for 61261 at Sat Aug 8 21:08:53 SAST 2026.
Log can be found in /atlas/obs/03/61261/preflight.dat.
Setting donefile '/atlas/obs/03/61261/preflight_complete.20260808190853.23665' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260808190853.23665.
Sat Aug 8 21:08:53 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Aug 8 21:08:53 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [3cf8dae7-2b63-4cce-8e3e-e8ce4a7f5aaf;1800]
Sat Aug 8 21:08:53 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 3 ON redLED
Sat Aug 8 21:08:54 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Aug 8 21:08:54 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sat Aug 8 21:08:54 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Aug 8 21:08:54 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1786216129
OK
Sat Aug 8 21:08:54 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Aug 8 21:08:54 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
Sat Aug 8 21:08:55 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
Sat Aug 8 21:08:56 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Aug 8 21:08:56 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sat Aug 8 19:08:56 UTC 2026
met: 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 950 1024 361 2.772 -1.038 1.302
*metbox2.sth.atl .PPS. 1 u 951 1024 377 0.296 -0.115 0.278
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 183.3.52.101 2 u 731 1024 377 23.303 0.272 0.457
+ntp.as3741.net 146.64.58.41 2 u 959 1024 377 22.827 -0.163 0.195
-ntp2.as3741.net 129.134.28.123 2 u 292 1024 377 7.238 -0.800 0.511
-ntp2.inx.net.za 210.182.58.253 2 u 579 1024 377 7.292 0.006 0.171
+ntp5.inx.net.za 210.182.58.253 2 u 1030 1024 377 7.778 -0.153 0.291
#102.222.156.151 196.21.187.2 2 u 206 1024 367 24.551 0.111 0.396
+ntp2.nog.net.za 80.72.67.48 3 u 328 1024 377 7.516 -0.035 0.225
+139.84.231.68 ( 196.21.187.2 2 u 908 1024 377 22.751 -0.090 0.545
-ntp8.inx.net.za 183.3.52.101 2 u 144 1024 377 16.939 -0.191 0.377
Sat Aug 8 21:08:59 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (5793GB)
200GB available in /atlas/red...OK (8078GB)
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 5.7T 7.8T 43% /
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 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
Sat Aug 8 21:08:59 SAST 2026 [elapsed=6 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
Sat Aug 8 21:08:59 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Sat Aug 8 21:09:00 SAST 2026 [elapsed=7 sec] SERVICES2
Sat Aug 8 21:09:00 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Aug 8 21:09:04 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= 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
Sat Aug 8 21:12:19 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: 264.08 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Sat Aug 8 21:13:09 SAST 2026 [elapsed=256 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Aug 8 21:13:29 SAST 2026 [elapsed=276 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=42.8 IDLE
Sat Aug 8 21:13:29 SAST 2026 [elapsed=276 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (1 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.7C)
Checking CCD plane: Z0=+1700.00 DZDX=-883.00 DZDY=+2158.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Aug 8 21:13:29 SAST 2026 [elapsed=276 sec] WEATHER
status weather: clear 7.5C 36% 15/18kph@302 DP16.0C/88C/d IDLE
...OK
Sat Aug 8 21:13:30 SAST 2026 [elapsed=277 sec] MET
status...OK
met: c=N o=Y Ro9d Co1d Wo20d Ho1d To51d Do16d IDLE
Sat Aug 8 21:13:30 SAST 2026 [elapsed=277 sec] SENTRY
status...OK
sentry: close=NO open=YES drop=YES IDLE
Sat Aug 8 21:13:30 SAST 2026 [elapsed=277 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 293.00 -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 106 1.2%
A 0.081s 390 4.3%
A 0.111s 731 8.0%
A 0.141s 1189 13.0%
A 0.172s 1781 19.5%
A 0.202s 2464 26.9%
A 0.232s 3289 35.9%
A 0.263s 4196 45.8%
A 0.293s 5144 56.2%
A 0.323s 6018 65.7%
A 0.353s 6804 74.3%
A 0.384s 7458 81.5%
A 0.414s 8018 87.6%
A 0.444s 8478 92.6%
A 0.475s 8801 96.1%
A 0.505s 9029 98.6%
A 0.535s 9155 100.0%
B 0.020s 1 0.0%
B 0.050s 96 1.0%
B 0.081s 380 4.2%
B 0.111s 726 7.9%
B 0.141s 1196 13.1%
B 0.172s 1775 19.4%
B 0.202s 2465 26.9%
B 0.232s 3257 35.6%
B 0.262s 4166 45.5%
B 0.293s 5104 55.8%
B 0.323s 5991 65.4%
B 0.353s 6774 74.0%
B 0.384s 7435 81.2%
B 0.414s 8011 87.5%
B 0.444s 8456 92.4%
B 0.475s 8808 96.2%
B 0.505s 9036 98.7%
B 0.535s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.050s 9064 99.0%
A 0.081s 8774 95.8%
A 0.111s 8417 91.9%
A 0.141s 7968 87.0%
A 0.171s 7375 80.6%
A 0.202s 6691 73.1%
A 0.232s 5924 64.7%
A 0.262s 5012 54.8%
A 0.292s 4072 44.5%
A 0.322s 3193 34.9%
A 0.352s 2402 26.2%
A 0.383s 1728 18.9%
A 0.413s 1162 12.7%
A 0.443s 710 7.8%
A 0.474s 364 4.0%
A 0.504s 133 1.5%
A 0.534s 15 0.2%
A 0.565s -6 0.0%
B 0.020s 9146 99.9%
B 0.050s 9033 98.7%
B 0.081s 8775 95.9%
B 0.111s 8425 92.0%
B 0.141s 7958 86.9%
B 0.172s 7380 80.6%
B 0.202s 6694 73.1%
B 0.232s 5897 64.4%
B 0.263s 4984 54.4%
B 0.293s 4050 44.2%
B 0.323s 3164 34.6%
B 0.353s 2383 26.0%
B 0.384s 1712 18.7%
B 0.414s 1140 12.5%
B 0.444s 696 7.6%
B 0.475s 356 3.9%
B 0.505s 126 1.4%
B 0.535s 13 0.1%
B 0.565s -5 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 0.535 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= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.1e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9205 IDLE
Sat Aug 8 21:14:06 SAST 2026 [elapsed=313 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=42.8 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Aug 8 21:14 /atlas/obs/03a/61261/03a61261e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Aug 8 21:14:29 SAST 2026 [elapsed=336 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (70 seconds old)
OTA humidity level...OK (18%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Aug 8 21:14:29 SAST 2026 [elapsed=336 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61260.80173185|info|galildriver|using focus model: foc=9187+(4.30)*12.9+(-0.40)*60.2=9218.4
61260.80173720|info|galildriver|o 2 IN | cass: 3044187 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54000466 9205 um b=8f M [focus]
61260.80174629|info|galildriver|o 2 IN | cass: 3044188 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54002223 9214 um b=8f M [focus]
61260.80175423|info|galildriver|o 2 IN | cass: 3044189 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54003256 9219 um b=0f [cmd]
bestfocus for o...OK
Sat Aug 8 21:14:32 SAST 2026 [elapsed=339 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Aug 8 21:14:58 SAST 2026 [elapsed=365 sec] Disabling mount tracking.
Waiting on the mount ... done.
Turning tracking off ... done.
Waiting on the mount ... done.
Recheck mount status ... done.
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 3 OFF redLED
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 2 OFF whiteLED
Sat Aug 8 21:14:59 SAST 2026 [elapsed=366 sec] NOTICES: det_dzdx=-883 is outside range +-250 from -558; det_dzdy=2158 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sat Aug 8 21:14:59 SAST 2026 [elapsed=366 sec] Happy observing!
Sat Aug 8 21:14:59 SAST 2026 [elapsed=366 sec] Preflight took 366 seconds to complete.
Sat Aug 8 21:14:59 SAST 2026 [elapsed=366 sec] STARTING CLEANUP
Turning off LEDs
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 3 OFF redLED
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 2 OFF whiteLED
Releasing TCS lock [preflight]
OK TCS lock released by preflight-STH
Preflight image
Shutter acutation data:
A 0.020s 4 0.0% A 0.051s 122 1.3% A 0.082s 394 4.3% A 0.112s 749 8.2% A 0.143s 1230 13.4% A 0.173s 1823 19.9% A 0.203s 2513 27.5% A 0.234s 3323 36.3% A 0.265s 4235 46.3% A 0.295s 5162 56.4% A 0.325s 6079 66.4% A 0.356s 6842 74.7% A 0.386s 7493 81.9% A 0.416s 8055 88.0% A 0.447s 8494 92.8% A 0.477s 8821 96.4% A 0.508s 9048 98.8% A 0.538s 9144 99.9% A 0.569s 9154 100.0% B 0.020s 2 0.0% B 0.051s 120 1.3% B 0.081s 388 4.2% B 0.112s 740 8.1% B 0.142s 1220 13.3% B 0.172s 1795 19.6% B 0.202s 2492 27.2% B 0.233s 3295 36.0% B 0.263s 4198 45.9% B 0.293s 5132 56.1% B 0.324s 6017 65.7% B 0.354s 6795 74.2% B 0.384s 7459 81.5% B 0.415s 8034 87.8% B 0.445s 8481 92.6% B 0.476s 8813 96.3% B 0.506s 9035 98.7% B 0.537s 9144 99.9% B 0.568s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9055 98.9% A 0.081s 8787 96.0% A 0.111s 8433 92.1% A 0.141s 7975 87.1% A 0.171s 7401 80.8% A 0.202s 6715 73.4% A 0.232s 5923 64.7% A 0.262s 5014 54.8% A 0.292s 4067 44.4% A 0.323s 3194 34.9% A 0.353s 2410 26.3% A 0.383s 1730 18.9% A 0.413s 1163 12.7% A 0.443s 706 7.7% A 0.474s 367 4.0% A 0.504s 131 1.4% A 0.534s 16 0.2% A 0.565s 1 0.0% B 0.020s 9145 99.9% B 0.050s 9024 98.6% B 0.081s 8779 95.9% B 0.111s 8434 92.1% B 0.141s 7968 87.0% B 0.171s 7398 80.8% B 0.202s 6713 73.3% B 0.232s 5920 64.7% B 0.262s 5008 54.7% B 0.292s 4082 44.6% B 0.323s 3190 34.8% B 0.353s 2418 26.4% B 0.383s 1723 18.8% B 0.413s 1161 12.7% B 0.444s 713 7.8% B 0.474s 364 4.0% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R