STH Recent Preflight: 61258
Executing preflight for 61258 at Wed Aug 5 17:05:21 SAST 2026.
Log can be found in /atlas/obs/03/61258/preflight.dat.
Setting donefile '/atlas/obs/03/61258/preflight_complete.20260805150521.4595' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260805150521.4595.
Wed Aug 5 17:05:21 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Aug 5 17:05:21 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [394b5a04-28ce-4b99-9a63-3cb68b0add7b;1800]
Wed Aug 5 17:05:21 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
Wed Aug 5 17:05:22 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Aug 5 17:05:22 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Wed Aug 5 17:05:22 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Aug 5 17:05:22 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1785942312
OK
Wed Aug 5 17:05:22 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Aug 5 17:05:22 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
Wed Aug 5 17:05:23 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
Wed Aug 5 17:05:24 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Wed Aug 5 17:05:24 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Wed Aug 5 15:05:24 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 1012 1024 377 1.011 0.197 0.213
+metbox2.sth.atl .PPS. 1 u 33 1024 377 0.342 0.217 0.186
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 210.182.58.253 2 u 1031 1024 377 23.300 0.392 0.252
+ntp.as3741.net 146.64.58.41 2 u 274 1024 377 22.801 0.151 0.254
+ntp2.as3741.net 129.134.28.123 2 u 140 1024 377 7.210 0.038 0.127
+ntp2.inx.net.za 183.3.52.101 2 u 363 1024 377 7.338 0.196 0.135
+ntp5.inx.net.za 210.182.58.253 2 u 837 1024 377 7.554 0.271 0.251
#102.222.156.151 196.21.187.2 2 u 11 1024 373 23.380 -0.249 0.401
-ntp2.nog.net.za 80.72.67.48 3 u 952 1024 377 7.584 0.201 0.167
+139.84.231.68 196.21.187.2 2 u 59 1024 377 22.900 0.206 0.326
-ntp8.inx.net.za 183.3.52.101 2 u 911 1024 377 16.894 -0.052 0.114
Wed Aug 5 17:05:36 SAST 2026 [elapsed=15 sec] DISKS
200GB available in /atlas/obs...OK (5706GB)
200GB available in /atlas/red...OK (8364GB)
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 5.4T 8.0T 41% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.7T 12T 13% /
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
Wed Aug 5 17:05:36 SAST 2026 [elapsed=15 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
Wed Aug 5 17:05:36 SAST 2026 [elapsed=15 sec] Disabling mount tracking.
Wed Aug 5 17:05:37 SAST 2026 [elapsed=16 sec] SERVICES2
Wed Aug 5 17:05:37 SAST 2026 [elapsed=16 sec] CHILLER
status...OK
chiller: 3.1/3.0C ? chiller=ON dryer=? IDLE
Wed Aug 5 17:05:41 SAST 2026 [elapsed=20 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=1.45e+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
Wed Aug 5 17:08:10 SAST 2026 [elapsed=169 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: 199.93 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Wed Aug 5 17:09:01 SAST 2026 [elapsed=220 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Aug 5 17:09:20 SAST 2026 [elapsed=239 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.8 IDLE
Wed Aug 5 17:09:20 SAST 2026 [elapsed=239 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 (-54.4C)
Checking CCD plane: Z0=+1727.00 DZDX=-889.00 DZDY=+2753.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Aug 5 17:09:20 SAST 2026 [elapsed=239 sec] WEATHER
status weather: W 13.7C 34% 34/40kph@314 DP11.2C/-168C/d IDLE
...OK
Wed Aug 5 17:09:21 SAST 2026 [elapsed=240 sec] MET
status...OK
met: c=N o=Y Ro6d Co14h Wo16d Ho5d To48d Do13d IDLE
Wed Aug 5 17:09:21 SAST 2026 [elapsed=240 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Aug 5 17:09:21 SAST 2026 [elapsed=240 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 228.84 -14.64, az/alt=59.91 +60.05 tracking(w) IDLE 0s
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 107 1.2%
A 0.081s 392 4.3%
A 0.111s 733 8.0%
A 0.142s 1191 13.0%
A 0.172s 1782 19.5%
A 0.202s 2465 26.9%
A 0.233s 3262 35.6%
A 0.263s 4163 45.5%
A 0.293s 5115 55.9%
A 0.323s 5991 65.4%
A 0.354s 6780 74.1%
A 0.384s 7439 81.3%
A 0.414s 8000 87.4%
A 0.445s 8465 92.5%
A 0.475s 8792 96.0%
A 0.505s 9021 98.5%
A 0.536s 9151 100.0%
B 0.020s 1 0.0%
B 0.050s 99 1.1%
B 0.081s 383 4.2%
B 0.111s 727 7.9%
B 0.141s 1199 13.1%
B 0.171s 1777 19.4%
B 0.202s 2467 26.9%
B 0.232s 3259 35.6%
B 0.262s 4166 45.5%
B 0.293s 5102 55.7%
B 0.323s 5994 65.5%
B 0.353s 6776 74.0%
B 0.383s 7435 81.2%
B 0.414s 8011 87.5%
B 0.444s 8455 92.4%
B 0.474s 8798 96.1%
B 0.504s 9028 98.6%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9058 99.0%
A 0.081s 8760 95.7%
A 0.111s 8402 91.8%
A 0.141s 7953 86.9%
A 0.172s 7352 80.3%
A 0.202s 6668 72.8%
A 0.232s 5870 64.1%
A 0.262s 4953 54.1%
A 0.293s 4014 43.8%
A 0.323s 3140 34.3%
A 0.353s 2354 25.7%
A 0.384s 1686 18.4%
A 0.414s 1133 12.4%
A 0.444s 685 7.5%
A 0.474s 344 3.8%
A 0.505s 125 1.4%
A 0.535s 11 0.1%
A 0.565s -7 0.0%
B 0.020s 9145 99.9%
B 0.050s 9032 98.7%
B 0.081s 8773 95.8%
B 0.111s 8424 92.0%
B 0.141s 7957 86.9%
B 0.172s 7380 80.6%
B 0.202s 6693 73.1%
B 0.232s 5895 64.4%
B 0.263s 4984 54.4%
B 0.293s 4052 44.3%
B 0.323s 3163 34.6%
B 0.354s 2383 26.0%
B 0.384s 1713 18.7%
B 0.414s 1141 12.5%
B 0.445s 697 7.6%
B 0.475s 356 3.9%
B 0.505s 128 1.4%
B 0.535s 12 0.1%
B 0.566s -5 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 0.536 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= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.07e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9307 IDLE
Wed Aug 5 17:09:58 SAST 2026 [elapsed=277 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.8 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Aug 5 17:10 /atlas/obs/03a/61258/03a61258e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Aug 5 17:10:21 SAST 2026 [elapsed=300 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (2 seconds old)
OTA humidity level...OK (18%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Aug 5 17:10:21 SAST 2026 [elapsed=300 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61257.63219221|info|galildriver|using focus model: foc=9187+(4.30)*16.7+(-0.40)*60.2=9234.7
61257.63219756|info|galildriver|o 2 IN | cass: 3042067 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54019463 9300 um b=8f M [focus]
61257.63220664|info|galildriver|o 2 IN | cass: 3042073 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54014098 9274 um b=8f M [focus]
61257.63221827|info|galildriver|o 2 IN | cass: 3042067 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54007387 9240 um b=8f M [focus]
61257.63222387|info|galildriver|o 2 IN | cass: 3042072 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006273 9234 um b=0f [cmd]
bestfocus for o...OK
Wed Aug 5 17:10:25 SAST 2026 [elapsed=304 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Aug 5 17:10:51 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.
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
Wed Aug 5 17:10:53 SAST 2026 [elapsed=332 sec] NOTICES: det_dzdx=-889 is outside range +-250 from -558; det_dzdy=2753 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Wed Aug 5 17:10:53 SAST 2026 [elapsed=332 sec] Happy observing!
Wed Aug 5 17:10:53 SAST 2026 [elapsed=332 sec] Preflight took 332 seconds to complete.
Wed Aug 5 17:10:53 SAST 2026 [elapsed=332 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