STH Recent Preflight: 61259
Executing preflight for 61259 at Thu Aug 6 17:06:02 SAST 2026.
Log can be found in /atlas/obs/03/61259/preflight.dat.
Setting donefile '/atlas/obs/03/61259/preflight_complete.20260806150602.4595' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260806150602.4595.
Thu Aug 6 17:06:02 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Aug 6 17:06:02 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [e79e236b-cb90-4ee1-b5db-4972b51684e5;1800]
Thu Aug 6 17:06:02 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
Thu Aug 6 17:06:03 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Aug 6 17:06:03 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Thu Aug 6 17:06:03 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Aug 6 17:06:03 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1786028757
OK
Thu Aug 6 17:06:03 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Aug 6 17:06:03 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 Aug 6 17:06:05 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 Aug 6 17:06:05 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Aug 6 17:06:05 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Thu Aug 6 15:06:05 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 433 1024 377 0.952 0.312 0.190
+metbox2.sth.atl .PPS. 1 u 979 1024 377 0.271 0.183 0.115
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 183.3.52.101 2 u 58 1024 377 23.322 -0.345 0.424
+ntp.as3741.net 146.64.58.41 2 u 913 1024 377 23.134 0.235 1.094
-ntp2.as3741.net 129.134.28.123 2 u 953 1024 377 7.225 -0.169 0.195
-ntp2.inx.net.za 210.182.58.253 2 u 55 1024 377 7.203 0.308 0.224
+ntp5.inx.net.za 183.3.52.101 2 u 580 1024 377 7.878 0.217 0.065
#102.222.156.151 196.21.187.2 2 u 492 1024 377 23.344 -0.126 0.265
+ntp2.nog.net.za 80.72.67.48 3 u 853 1024 377 7.484 0.292 0.146
-139.84.231.68 196.21.187.2 2 u 1024 1024 377 22.751 0.055 0.079
-ntp8.inx.net.za 210.182.58.253 2 u 13 1024 377 16.909 0.367 0.113
Thu Aug 6 17:06:09 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (5738GB)
200GB available in /atlas/red...OK (8155GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.8T 5.5T 47% /
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 5.6T 7.8T 42% /
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 736G 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
Thu Aug 6 17:06:09 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
Thu Aug 6 17:06:09 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Thu Aug 6 17:06:09 SAST 2026 [elapsed=7 sec] SERVICES2
Thu Aug 6 17:06:09 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Aug 6 17:06:13 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= 916kB time=00:00:29.31 bitrate= 256.0kbits/s speed=1.49e+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 Aug 6 17:09:29 SAST 2026 [elapsed=207 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: 201.24 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Thu Aug 6 17:10:20 SAST 2026 [elapsed=258 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Aug 6 17:10:39 SAST 2026 [elapsed=277 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Thu Aug 6 17:10:39 SAST 2026 [elapsed=277 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (8 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.7C)
Checking CCD plane: Z0=+1705.00 DZDX=-888.00 DZDY=+2285.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Aug 6 17:10:39 SAST 2026 [elapsed=277 sec] WEATHER
status weather: clear 9.1C 66% 21/30kph@305 DP5.7C/-15C/d IDLE
...OK
Thu Aug 6 17:10:40 SAST 2026 [elapsed=278 sec] MET
status...OK
met: c=N o=Y Ro7d Co4h Wo17d Ho5h To49d Do14d IDLE
Thu Aug 6 17:10:40 SAST 2026 [elapsed=278 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Aug 6 17:10:42 SAST 2026 [elapsed=280 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 230.16 -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 8 0.1%
A 0.050s 107 1.2%
A 0.081s 391 4.3%
A 0.111s 734 8.0%
A 0.142s 1190 13.0%
A 0.172s 1782 19.5%
A 0.202s 2466 26.9%
A 0.233s 3261 35.6%
A 0.263s 4163 45.5%
A 0.293s 5115 55.9%
A 0.324s 6018 65.7%
A 0.354s 6803 74.3%
A 0.385s 7459 81.5%
A 0.415s 8016 87.6%
A 0.445s 8478 92.6%
A 0.476s 8802 96.2%
A 0.506s 9027 98.6%
A 0.536s 9154 100.0%
B 0.020s 1 0.0%
B 0.050s 104 1.1%
B 0.081s 393 4.3%
B 0.111s 740 8.1%
B 0.141s 1213 13.3%
B 0.172s 1797 19.6%
B 0.202s 2489 27.2%
B 0.232s 3286 35.9%
B 0.263s 4200 45.9%
B 0.293s 5132 56.1%
B 0.323s 6019 65.8%
B 0.354s 6798 74.3%
B 0.384s 7455 81.4%
B 0.414s 8026 87.7%
B 0.444s 8467 92.5%
B 0.475s 8806 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 8773 95.8%
A 0.111s 8415 91.9%
A 0.141s 7969 87.1%
A 0.172s 7373 80.5%
A 0.202s 6691 73.1%
A 0.232s 5898 64.4%
A 0.262s 4981 54.4%
A 0.293s 4043 44.2%
A 0.323s 3166 34.6%
A 0.353s 2378 26.0%
A 0.383s 1707 18.6%
A 0.414s 1146 12.5%
A 0.444s 698 7.6%
A 0.474s 355 3.9%
A 0.504s 130 1.4%
A 0.535s 14 0.2%
A 0.565s -7 0.0%
B 0.020s 9145 99.9%
B 0.051s 9033 98.7%
B 0.081s 8773 95.8%
B 0.111s 8425 92.0%
B 0.141s 7958 86.9%
B 0.172s 7379 80.6%
B 0.202s 6671 72.9%
B 0.232s 5869 64.1%
B 0.263s 4955 54.1%
B 0.293s 4020 43.9%
B 0.323s 3136 34.3%
B 0.354s 2361 25.8%
B 0.384s 1693 18.5%
B 0.414s 1123 12.3%
B 0.444s 684 7.5%
B 0.475s 346 3.8%
B 0.505s 122 1.3%
B 0.535s 10 0.1%
B 0.566s -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 0.566 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.05e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9172 IDLE
Thu Aug 6 17:11:19 SAST 2026 [elapsed=317 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 Aug 6 17:11 /atlas/obs/03a/61259/03a61259e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Aug 6 17:11:41 SAST 2026 [elapsed=339 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (82 seconds old)
OTA humidity level...OK (21%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Aug 6 17:11:41 SAST 2026 [elapsed=339 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61258.63312774|info|galildriver|using focus model: foc=9187+(4.30)*14.9+(-0.40)*60.2=9227.0
61258.63313310|info|galildriver|o 2 IN | cass: 3042949 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53994764 9177 um b=8f M [focus]
61258.63314219|info|galildriver|o 2 IN | cass: 3042947 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53999951 9203 um b=8f M [focus]
61258.63315558|info|galildriver|o 2 IN | cass: 3042949 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005497 9231 um b=8f M [focus]
61258.63316593|info|galildriver|o 2 IN | cass: 3042954 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005467 9230 um b=0f [cmd]
bestfocus for o...OK
Thu Aug 6 17:11:46 SAST 2026 [elapsed=344 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Aug 6 17:12:12 SAST 2026 [elapsed=370 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
Thu Aug 6 17:12:13 SAST 2026 [elapsed=371 sec] NOTICES: det_dzdx=-888 is outside range +-250 from -558; det_dzdy=2285 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 Aug 6 17:12:13 SAST 2026 [elapsed=371 sec] Happy observing!
Thu Aug 6 17:12:13 SAST 2026 [elapsed=371 sec] Preflight took 371 seconds to complete.
Thu Aug 6 17:12:13 SAST 2026 [elapsed=371 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 0.050s 121 1.3% A 0.081s 396 4.3% A 0.111s 750 8.2% A 0.141s 1214 13.3% A 0.171s 1803 19.7% A 0.202s 2490 27.2% A 0.232s 3294 36.0% A 0.262s 4204 45.9% A 0.292s 5134 56.1% A 0.323s 6025 65.8% A 0.353s 6797 74.3% A 0.383s 7453 81.4% A 0.413s 8023 87.6% A 0.443s 8457 92.4% A 0.474s 8802 96.2% A 0.504s 9032 98.7% A 0.534s 9137 99.8% A 0.565s 9153 100.0% B 0.020s 2 0.0% B 0.050s 120 1.3% B 0.080s 389 4.2% B 0.111s 739 8.1% B 0.141s 1220 13.3% B 0.171s 1772 19.4% B 0.201s 2466 26.9% B 0.231s 3268 35.7% B 0.262s 4168 45.5% B 0.292s 5101 55.7% B 0.322s 5987 65.4% B 0.352s 6773 74.0% B 0.382s 7441 81.3% B 0.413s 8002 87.4% B 0.443s 8456 92.4% B 0.473s 8785 96.0% B 0.503s 9023 98.6% B 0.534s 9138 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9049 98.9% A 0.081s 8788 96.0% A 0.111s 8433 92.1% A 0.141s 7975 87.1% A 0.171s 7400 80.8% A 0.202s 6715 73.4% A 0.232s 5922 64.7% A 0.262s 5013 54.8% A 0.293s 4068 44.4% A 0.323s 3194 34.9% A 0.353s 2410 26.3% A 0.383s 1731 18.9% A 0.414s 1164 12.7% A 0.444s 705 7.7% A 0.474s 367 4.0% A 0.504s 132 1.4% A 0.534s 15 0.2% A 0.565s 0 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 7969 87.1% B 0.171s 7399 80.8% B 0.201s 6712 73.3% B 0.232s 5918 64.6% B 0.262s 5009 54.7% B 0.292s 4083 44.6% B 0.322s 3190 34.8% B 0.353s 2417 26.4% B 0.383s 1722 18.8% B 0.413s 1163 12.7% B 0.443s 726 7.9% B 0.473s 374 4.1% B 0.504s 144 1.6% B 0.534s 17 0.2% B 0.564s 0 0.0% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R