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 2 0.0% A 0.051s 113 1.2% A 0.081s 386 4.2% A 0.111s 736 8.0% A 0.141s 1180 12.9% A 0.172s 1762 19.2% A 0.202s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4144 45.3% A 0.292s 5074 55.4% A 0.323s 5969 65.2% A 0.353s 6753 73.8% A 0.383s 7413 81.0% A 0.413s 7989 87.3% A 0.444s 8446 92.3% A 0.474s 8782 95.9% A 0.504s 9022 98.6% A 0.534s 9136 99.8% A 0.564s 9152 100.0% B 0.020s 2 0.0% B 0.050s 118 1.3% B 0.081s 389 4.2% B 0.111s 741 8.1% B 0.141s 1218 13.3% B 0.171s 1795 19.6% B 0.202s 2492 27.2% B 0.232s 3297 36.0% B 0.262s 4198 45.9% B 0.293s 5132 56.1% B 0.323s 6017 65.7% B 0.353s 6795 74.2% B 0.383s 7460 81.5% B 0.414s 8017 87.6% B 0.444s 8468 92.5% B 0.474s 8805 96.2% B 0.504s 9028 98.6% B 0.534s 9141 99.9% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9153 100.0% A 0.050s 9043 98.8% A 0.081s 8779 95.9% A 0.111s 8423 92.0% A 0.141s 7960 87.0% A 0.171s 7383 80.7% A 0.201s 6694 73.1% A 0.232s 5895 64.4% A 0.262s 4984 54.4% A 0.292s 4040 44.1% A 0.322s 3168 34.6% A 0.352s 2388 26.1% A 0.383s 1711 18.7% A 0.413s 1147 12.5% A 0.443s 694 7.6% A 0.473s 359 3.9% A 0.503s 126 1.4% A 0.534s 16 0.2% A 0.564s 2 0.0% B 0.020s 9142 99.9% B 0.051s 9018 98.5% B 0.081s 8769 95.8% B 0.111s 8421 92.0% B 0.141s 7951 86.9% B 0.172s 7377 80.6% B 0.202s 6690 73.1% B 0.232s 5893 64.4% B 0.263s 4978 54.4% B 0.293s 4053 44.3% B 0.323s 3162 34.5% B 0.353s 2394 26.2% B 0.384s 1703 18.6% B 0.414s 1146 12.5% B 0.444s 700 7.6% B 0.474s 354 3.9% B 0.505s 132 1.4% B 0.535s 14 0.2% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R