STH Recent Preflight: 61260
Executing preflight for 61260 at Fri Aug 7 17:06:31 SAST 2026.
Log can be found in /atlas/obs/03/61260/preflight.dat.
Setting donefile '/atlas/obs/03/61260/preflight_complete.20260807150631.4595' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260807150631.4595.
Fri Aug 7 17:06:31 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Aug 7 17:06:31 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [d201d915-b948-454f-a76b-4fba43fd3cd2;1800]
Fri Aug 7 17:06:31 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
Fri Aug 7 17:06:32 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Aug 7 17:06:32 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Fri Aug 7 17:06:32 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Aug 7 17:06:32 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1786115192
OK
Fri Aug 7 17:06:32 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Aug 7 17:06:32 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
Fri Aug 7 17:06:33 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
Fri Aug 7 17:06:34 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Aug 7 17:06:34 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Fri Aug 7 15:06:34 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 301 1024 377 1.057 0.044 0.109
+metbox2.sth.atl .PPS. 1 u 929 1024 377 0.262 0.042 0.021
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 208.219.48.14 2 u 104 1024 377 23.274 0.006 0.689
-ntp.as3741.net 146.64.58.41 2 u 607 1024 377 22.877 -0.023 0.519
-ntp2.as3741.net 129.134.28.123 2 u 597 1024 377 7.243 0.123 0.049
-ntp2.inx.net.za 183.3.52.101 2 u 56 1024 377 7.258 0.032 0.096
-ntp5.inx.net.za 210.182.58.253 2 u 398 1024 377 7.801 -0.068 0.157
#102.222.156.151 196.21.187.2 2 u 372 1024 375 23.514 -0.346 0.555
+ntp2.nog.net.za 80.72.67.48 3 u 904 1024 377 7.589 0.095 0.200
-139.84.231.68 196.21.187.2 2 u 137 1024 377 23.811 -0.102 1.130
-ntp8.inx.net.za 183.3.52.101 2 u 247 1024 377 16.853 -0.419 0.095
Fri Aug 7 17:06:45 SAST 2026 [elapsed=14 sec] DISKS
200GB available in /atlas/obs...OK (5840GB)
200GB available in /atlas/red...OK (8315GB)
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 5.5T 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
Fri Aug 7 17:06:46 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
Fri Aug 7 17:06:46 SAST 2026 [elapsed=15 sec] Disabling mount tracking.
Fri Aug 7 17:06:46 SAST 2026 [elapsed=15 sec] SERVICES2
Fri Aug 7 17:06:46 SAST 2026 [elapsed=15 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Aug 7 17:06:50 SAST 2026 [elapsed=19 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= 918kB time=00:00:29.37 bitrate= 256.0kbits/s speed=1.48e+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
Fri Aug 7 17:10:06 SAST 2026 [elapsed=215 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: 202.39 -29.49, az/alt=324.82 +86.49 idle(e) IDLE
Fri Aug 7 17:10:57 SAST 2026 [elapsed=266 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Aug 7 17:11:16 SAST 2026 [elapsed=285 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.9 IDLE
Fri Aug 7 17:11:16 SAST 2026 [elapsed=285 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 (-54.7C)
Checking CCD plane: Z0=+1711.00 DZDX=-888.00 DZDY=+2384.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Aug 7 17:11:16 SAST 2026 [elapsed=285 sec] WEATHER
status weather: clear 14.1C 33% 23/25kph@55 DP15.6C/-1C/d IDLE
...OK
Fri Aug 7 17:11:17 SAST 2026 [elapsed=286 sec] MET
status...OK
met: c=N o=Y Ro8d Co6h Wo18d Ho5h To50d Do15d IDLE
Fri Aug 7 17:11:17 SAST 2026 [elapsed=286 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Aug 7 17:11:17 SAST 2026 [elapsed=286 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 231.30 -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 108 1.2%
A 0.081s 391 4.3%
A 0.111s 734 8.0%
A 0.141s 1189 13.0%
A 0.172s 1782 19.5%
A 0.202s 2465 26.9%
A 0.232s 3260 35.6%
A 0.262s 4164 45.5%
A 0.293s 5116 55.9%
A 0.323s 5990 65.4%
A 0.353s 6779 74.1%
A 0.383s 7440 81.3%
A 0.414s 7999 87.4%
A 0.444s 8466 92.5%
A 0.474s 8792 96.0%
A 0.505s 9020 98.5%
A 0.535s 9152 100.0%
B 0.020s 0 0.0%
B 0.050s 91 1.0%
B 0.081s 375 4.1%
B 0.111s 714 7.8%
B 0.141s 1179 12.9%
B 0.171s 1756 19.2%
B 0.202s 2441 26.7%
B 0.232s 3232 35.3%
B 0.262s 4137 45.2%
B 0.293s 5073 55.4%
B 0.323s 5963 65.1%
B 0.353s 6752 73.8%
B 0.383s 7416 81.0%
B 0.413s 7994 87.3%
B 0.444s 8442 92.2%
B 0.474s 8788 96.0%
B 0.504s 9023 98.6%
B 0.535s 9141 99.9%
B 0.565s 9159 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.050s 9070 99.1%
A 0.081s 8782 95.9%
A 0.111s 8426 92.0%
A 0.141s 7986 87.2%
A 0.172s 7372 80.5%
A 0.202s 6692 73.1%
A 0.232s 5898 64.4%
A 0.263s 4982 54.4%
A 0.293s 4042 44.2%
A 0.323s 3166 34.6%
A 0.353s 2379 26.0%
A 0.384s 1709 18.7%
A 0.414s 1147 12.5%
A 0.444s 698 7.6%
A 0.474s 364 4.0%
A 0.505s 137 1.5%
A 0.535s 16 0.2%
A 0.565s -7 0.0%
B 0.020s 9145 99.9%
B 0.050s 9032 98.7%
B 0.081s 8771 95.8%
B 0.111s 8424 92.0%
B 0.141s 7957 86.9%
B 0.172s 7378 80.6%
B 0.202s 6694 73.1%
B 0.232s 5897 64.4%
B 0.263s 4984 54.4%
B 0.293s 4051 44.3%
B 0.323s 3164 34.6%
B 0.353s 2384 26.0%
B 0.384s 1713 18.7%
B 0.414s 1139 12.4%
B 0.444s 699 7.6%
B 0.475s 356 3.9%
B 0.505s 127 1.4%
B 0.535s 13 0.1%
B 0.565s -5 0.0%
A 1 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 100.0 percent in 0.565 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=1.14e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9231 IDLE
Fri Aug 7 17:11:55 SAST 2026 [elapsed=324 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.9 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Aug 7 17:12 /atlas/obs/03a/61260/03a61260e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Aug 7 17:12:17 SAST 2026 [elapsed=346 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (28 seconds old)
OTA humidity level...OK (21%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Aug 7 17:12:17 SAST 2026 [elapsed=346 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61259.63354177|info|galildriver|using focus model: foc=9187+(4.30)*16.0+(-0.40)*60.2=9231.7
61259.63354643|info|galildriver|o 2 IN | cass: 3041805 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005600 9231 um b=0f [cmd]
bestfocus for o...OK
Fri Aug 7 17:12:19 SAST 2026 [elapsed=348 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Aug 7 17:12:45 SAST 2026 [elapsed=374 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
Fri Aug 7 17:12:46 SAST 2026 [elapsed=375 sec] NOTICES: det_dzdx=-888 is outside range +-250 from -558; det_dzdy=2384 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Fri Aug 7 17:12:46 SAST 2026 [elapsed=375 sec] Happy observing!
Fri Aug 7 17:12:46 SAST 2026 [elapsed=375 sec] Preflight took 375 seconds to complete.
Fri Aug 7 17:12:46 SAST 2026 [elapsed=375 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 5 0.1% A 0.050s 125 1.4% A 0.081s 399 4.4% A 0.111s 748 8.2% A 0.141s 1213 13.3% A 0.171s 1804 19.7% A 0.201s 2488 27.2% A 0.232s 3293 36.0% A 0.262s 4203 45.9% A 0.292s 5133 56.1% A 0.323s 6025 65.8% A 0.353s 6796 74.2% A 0.383s 7454 81.4% A 0.413s 8024 87.7% A 0.444s 8469 92.5% A 0.474s 8802 96.2% A 0.504s 9032 98.7% A 0.534s 9139 99.8% A 0.565s 9154 100.0% B 0.020s 2 0.0% B 0.050s 122 1.3% B 0.081s 392 4.3% B 0.111s 741 8.1% B 0.141s 1219 13.3% B 0.171s 1794 19.6% B 0.201s 2464 26.9% B 0.232s 3296 36.0% B 0.262s 4167 45.5% B 0.292s 5103 55.7% B 0.323s 6013 65.7% B 0.353s 6774 74.0% B 0.383s 7461 81.5% B 0.413s 8018 87.6% B 0.444s 8468 92.5% B 0.474s 8800 96.1% B 0.504s 9028 98.6% B 0.535s 9139 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9044 98.8% A 0.081s 8766 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.172s 7359 80.4% A 0.202s 6668 72.8% A 0.232s 5866 64.1% A 0.262s 4951 54.1% A 0.293s 4009 43.8% A 0.323s 3139 34.3% A 0.353s 2363 25.8% A 0.383s 1692 18.5% A 0.414s 1133 12.4% A 0.444s 681 7.4% A 0.474s 348 3.8% A 0.505s 121 1.3% A 0.535s 12 0.1% A 0.565s -1 0.0% B 0.020s 9142 99.9% B 0.050s 9013 98.5% B 0.081s 8763 95.7% B 0.111s 8411 91.9% B 0.141s 7938 86.7% B 0.172s 7361 80.4% B 0.202s 6668 72.8% B 0.232s 5863 64.0% B 0.262s 4951 54.1% B 0.292s 4026 44.0% B 0.323s 3137 34.3% B 0.353s 2368 25.9% B 0.383s 1682 18.4% B 0.414s 1134 12.4% B 0.444s 687 7.5% B 0.474s 348 3.8% B 0.504s 131 1.4% B 0.534s 14 0.2% B 0.565s -1 0.0% A 1 0.0mm 15 N F R | B -1 -0.0mm 15 N F R