STH Recent Preflight: 61247
Executing preflight for 61247 at Sat Jul 25 16:58:11 SAST 2026.
Log can be found in /atlas/obs/03/61247/preflight.dat.
Setting donefile '/atlas/obs/03/61247/preflight_complete.20260725145811.20850' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260725145811.20850.
Sat Jul 25 16:58:12 SAST 2026 [elapsed=1 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Jul 25 16:58:12 SAST 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [143850bc-c1b7-4bbd-836d-4f87858fe4ec;1800]
Sat Jul 25 16:58:12 SAST 2026 [elapsed=1 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 Jul 25 16:58:13 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Jul 25 16:58:13 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Sat Jul 25 16:58:13 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Sat Jul 25 16:58:13 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1784991489
OK
Sat Jul 25 16:58:13 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Sat Jul 25 16:58:13 SAST 2026 [elapsed=2 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 Jul 25 16:58:14 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
Sat Jul 25 16:58:15 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Sat Jul 25 16:58:15 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Sat Jul 25 14:58:15 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 44 1024 377 1.007 0.160 0.078
+metbox2.sth.atl .PPS. 1 u 451 1024 377 0.324 0.149 0.091
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-146.64.24.58 155.232.19.7 2 u 788 1024 377 23.292 0.407 0.267
-ntp.as3741.net 146.64.58.41 2 u 572 1024 377 22.974 0.037 2.786
-ntp2.as3741.net 129.134.28.123 2 u 448 1024 377 7.311 -0.314 0.118
+ntp2.inx.net.za 210.182.58.253 2 u 325 1024 377 7.318 0.174 0.091
-ntp5.inx.net.za 210.182.58.253 2 u 855 1024 377 7.552 0.159 0.092
#102.222.156.151 196.21.187.2 2 u 760 1024 377 24.783 0.399 0.396
-ntp2.nog.net.za 80.72.67.48 3 u 740 1024 377 7.658 0.270 0.082
-139.84.231.68 ( 196.21.187.2 2 u 688 1024 277 23.197 -0.115 0.480
-ntp8.inx.net.za 210.182.58.253 2 u 582 1024 377 16.886 0.125 0.090
Sat Jul 25 16:58:19 SAST 2026 [elapsed=8 sec] DISKS
200GB available in /atlas/obs...OK (5641GB)
200GB available in /atlas/red...OK (8861GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.9T 5.4T 48% /
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 5.0T 8.5T 37% /
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
Sat Jul 25 16:58:19 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
Sat Jul 25 16:58:19 SAST 2026 [elapsed=8 sec] Disabling mount tracking.
Sat Jul 25 16:58:19 SAST 2026 [elapsed=8 sec] SERVICES2
Sat Jul 25 16:58:19 SAST 2026 [elapsed=8 sec] CHILLER
status...OK
chiller: 3.1/3.0C ? chiller=ON dryer=? IDLE
Sat Jul 25 16:58:23 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= 922kB time=00:00:29.50 bitrate= 256.0kbits/s speed=1.47e+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/OPEN (0%) IDLE
Sat Jul 25 17:01:39 SAST 2026 [elapsed=208 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: 187.62 -29.49, az/alt=324.74 +86.49 idle(e) IDLE
Sat Jul 25 17:03:11 SAST 2026 [elapsed=300 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Jul 25 17:03:31 SAST 2026 [elapsed=320 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Sat Jul 25 17:03:31 SAST 2026 [elapsed=320 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 (-54.2C)
Checking CCD plane: Z0=+1730.00 DZDX=-875.00 DZDY=+2877.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Jul 25 17:03:31 SAST 2026 [elapsed=320 sec] WEATHER
status weather: clear 16.8C 21% 10/12kph@63 DP18.2C/-175C/d IDLE
...OK
Sat Jul 25 17:03:32 SAST 2026 [elapsed=321 sec] MET
status...OK
met: c=N o=Y Ro26d Co1d Wo5d Ho1d To37d Do2d IDLE
Sat Jul 25 17:03:32 SAST 2026 [elapsed=321 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Jul 25 17:03:32 SAST 2026 [elapsed=321 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 216.54 -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 114 1.2%
A 0.081s 404 4.4%
A 0.111s 745 8.1%
A 0.141s 1207 13.2%
A 0.172s 1803 19.7%
A 0.202s 2489 27.2%
A 0.232s 3287 35.9%
A 0.262s 4194 45.8%
A 0.293s 5145 56.2%
A 0.323s 6019 65.8%
A 0.353s 6802 74.3%
A 0.384s 7459 81.5%
A 0.414s 8016 87.6%
A 0.444s 8477 92.6%
A 0.474s 8802 96.2%
A 0.505s 9027 98.6%
A 0.535s 9153 100.0%
B 0.020s 2 0.0%
B 0.050s 105 1.1%
B 0.081s 394 4.3%
B 0.111s 739 8.1%
B 0.141s 1215 13.3%
B 0.172s 1798 19.6%
B 0.202s 2489 27.2%
B 0.232s 3285 35.9%
B 0.263s 4197 45.8%
B 0.293s 5132 56.1%
B 0.323s 6022 65.8%
B 0.354s 6796 74.2%
B 0.384s 7455 81.4%
B 0.414s 8026 87.7%
B 0.445s 8467 92.5%
B 0.475s 8807 96.2%
B 0.505s 9033 98.7%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9065 99.0%
A 0.081s 8761 95.7%
A 0.111s 8402 91.8%
A 0.142s 7953 86.9%
A 0.172s 7352 80.3%
A 0.202s 6668 72.8%
A 0.233s 5870 64.1%
A 0.263s 4952 54.1%
A 0.293s 4014 43.8%
A 0.323s 3139 34.3%
A 0.354s 2352 25.7%
A 0.384s 1689 18.5%
A 0.414s 1132 12.4%
A 0.445s 685 7.5%
A 0.475s 345 3.8%
A 0.505s 124 1.4%
A 0.535s 11 0.1%
A 0.566s -6 0.0%
B 0.020s 9146 99.9%
B 0.050s 9032 98.7%
B 0.081s 8772 95.8%
B 0.111s 8423 92.0%
B 0.141s 7957 86.9%
B 0.172s 7380 80.6%
B 0.202s 6693 73.1%
B 0.232s 5897 64.4%
B 0.263s 4983 54.4%
B 0.293s 4050 44.2%
B 0.323s 3165 34.6%
B 0.354s 2383 26.0%
B 0.384s 1713 18.7%
B 0.414s 1142 12.5%
B 0.444s 696 7.6%
B 0.475s 357 3.9%
B 0.505s 127 1.4%
B 0.535s 13 0.1%
B 0.566s -4 0.0%
A 0 0.0mm 15 N F R | B -4 -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 0.536 seconds.
Shutter A closed to 0.0 percent in 0.566 seconds.
Shutter B closed to 0.0 percent in 0.566 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.14e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9182 IDLE
Sat Jul 25 17:04:09 SAST 2026 [elapsed=358 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:
123M Jul 25 17:04 /atlas/obs/03a/61247/03a61247e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Jul 25 17:04:31 SAST 2026 [elapsed=380 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (12 seconds old)
OTA humidity level...OK (15%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Jul 25 17:04:31 SAST 2026 [elapsed=380 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61246.62815139|info|galildriver|using focus model: foc=9187+(4.30)*17.9+(-0.40)*60.2=9239.9
61246.62815675|info|galildriver|o 2 IN | cass: 3041929 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53998066 9193 um b=8f M [focus]
61246.62816583|info|galildriver|o 2 IN | cass: 3041930 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54003198 9219 um b=8f M [focus]
61246.62817889|info|galildriver|o 2 IN | cass: 3041929 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54007220 9239 um b=0f [cmd]
bestfocus for o...OK
Sat Jul 25 17:04:35 SAST 2026 [elapsed=384 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Jul 25 17:05:00 SAST 2026 [elapsed=409 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 Jul 25 17:05:01 SAST 2026 [elapsed=410 sec] NOTICES: det_dzdx=-875 is outside range +-250 from -558; det_dzdy=2877 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 Jul 25 17:05:01 SAST 2026 [elapsed=410 sec] Happy observing!
Sat Jul 25 17:05:01 SAST 2026 [elapsed=410 sec] Preflight took 409 seconds to complete.
Sat Jul 25 17:05:01 SAST 2026 [elapsed=410 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 394 4.3% A 0.111s 750 8.2% A 0.141s 1214 13.3% A 0.171s 1803 19.7% A 0.202s 2489 27.2% A 0.232s 3295 36.0% A 0.262s 4205 45.9% A 0.292s 5133 56.1% A 0.322s 6025 65.8% A 0.353s 6798 74.3% A 0.383s 7433 81.2% A 0.413s 8006 87.5% A 0.443s 8459 92.4% A 0.473s 8792 96.0% A 0.504s 9028 98.6% A 0.534s 9138 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 111 1.2% B 0.081s 379 4.1% B 0.111s 727 7.9% B 0.141s 1201 13.1% B 0.172s 1773 19.4% B 0.202s 2467 26.9% B 0.232s 3270 35.7% B 0.262s 4167 45.5% B 0.292s 5103 55.7% B 0.323s 5989 65.4% B 0.353s 6772 74.0% B 0.383s 7441 81.3% B 0.414s 8001 87.4% B 0.444s 8455 92.4% B 0.474s 8795 96.1% B 0.505s 9022 98.6% B 0.535s 9139 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7957 86.9% A 0.171s 7381 80.6% A 0.202s 6691 73.1% A 0.232s 5894 64.4% A 0.262s 4983 54.4% A 0.292s 4038 44.1% A 0.323s 3166 34.6% A 0.353s 2387 26.1% A 0.383s 1710 18.7% A 0.413s 1145 12.5% A 0.444s 693 7.6% A 0.474s 358 3.9% A 0.504s 125 1.4% A 0.535s 13 0.1% A 0.565s 2 0.0% B 0.020s 9142 99.9% B 0.050s 9018 98.5% B 0.081s 8770 95.8% B 0.111s 8420 92.0% B 0.141s 7952 86.9% B 0.172s 7378 80.6% B 0.202s 6689 73.1% B 0.232s 5893 64.4% B 0.262s 4978 54.4% B 0.292s 4054 44.3% B 0.323s 3163 34.6% B 0.353s 2393 26.1% B 0.383s 1702 18.6% B 0.413s 1146 12.5% B 0.444s 700 7.6% B 0.474s 354 3.9% B 0.504s 133 1.5% B 0.534s 14 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R