STH Recent Preflight: 61246
Executing preflight for 61246 at Fri Jul 24 16:57:44 SAST 2026.
Log can be found in /atlas/obs/03/61246/preflight.dat.
Setting donefile '/atlas/obs/03/61246/preflight_complete.20260724145744.20850' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260724145744.20850.
Fri Jul 24 16:57:44 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jul 24 16:57:44 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [899b256c-08d5-4d82-8d76-4e9dcd32d798;1800]
Fri Jul 24 16:57:44 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 Jul 24 16:57:45 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Jul 24 16:57:45 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jul 24 16:57:45 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jul 24 16:57:45 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1784905065
OK
Fri Jul 24 16:57:45 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jul 24 16:57:45 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 Jul 24 16:57:47 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
Fri Jul 24 16:57:47 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Jul 24 16:57:47 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Fri Jul 24 14:57:47 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 132 1024 377 1.012 0.022 0.069
+metbox2.sth.atl .PPS. 1 u 595 1024 377 0.313 0.000 0.069
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 155.232.19.8 2 u 715 1024 377 23.173 -0.110 0.234
-ntp.as3741.net 146.64.58.41 2 u 723 1024 377 22.804 -0.166 0.099
-ntp2.as3741.net 129.134.28.123 2 u 688 1024 377 7.280 -0.774 0.413
-ntp2.inx.net.za 210.182.58.253 2 u 475 1024 377 7.264 0.076 0.194
+ntp5.inx.net.za 196.21.187.2 2 u 888 1024 377 7.540 0.017 0.085
-102.222.156.151 196.21.187.2 2 u 884 1024 377 24.704 0.634 0.517
+ntp2.nog.net.za 80.72.67.48 3 u 931 1024 377 7.578 0.046 0.500
+139.84.231.68 ( 196.21.187.2 2 u 937 1024 377 22.865 0.124 1.443
#ntp8.inx.net.za 210.182.58.253 2 u 1035 1024 377 17.031 0.021 0.996
Fri Jul 24 16:57:49 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5624GB)
200GB available in /atlas/red...OK (9149GB)
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 4.7T 8.8T 35% /
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 Jul 24 16:57:50 SAST 2026 [elapsed=6 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 Jul 24 16:57:50 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Fri Jul 24 16:57:50 SAST 2026 [elapsed=6 sec] SERVICES2
Fri Jul 24 16:57:50 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jul 24 16:57:54 SAST 2026 [elapsed=10 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= 914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.5e+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 Jul 24 17:01:09 SAST 2026 [elapsed=205 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: 186.34 -29.49, az/alt=324.74 +86.49 idle(e) IDLE
Fri Jul 24 17:02:00 SAST 2026 [elapsed=256 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jul 24 17:02:19 SAST 2026 [elapsed=275 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.5 IDLE
Fri Jul 24 17:02:19 SAST 2026 [elapsed=275 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (3 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.7C)
Checking CCD plane: Z0=+1709.00 DZDX=-890.00 DZDY=+2362.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Jul 24 17:02:19 SAST 2026 [elapsed=275 sec] WEATHER
status weather: clear 12.4C 46% 9/14kph@72 DP10.1C/-45C/d IDLE
...OK
Fri Jul 24 17:02:20 SAST 2026 [elapsed=276 sec] MET
status...OK
met: c=N o=Y Ro25d Co12h Wo4d Ho6h To36d Do1d IDLE
Fri Jul 24 17:02:20 SAST 2026 [elapsed=276 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jul 24 17:02:20 SAST 2026 [elapsed=276 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 215.26 -14.64, 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 116 1.3%
A 0.081s 402 4.4%
A 0.112s 746 8.1%
A 0.142s 1207 13.2%
A 0.173s 1824 19.9%
A 0.203s 2515 27.5%
A 0.234s 3314 36.2%
A 0.264s 4225 46.2%
A 0.294s 5175 56.5%
A 0.325s 6047 66.1%
A 0.355s 6825 74.6%
A 0.385s 7478 81.7%
A 0.416s 8033 87.8%
A 0.446s 8490 92.7%
A 0.476s 8811 96.3%
A 0.507s 9039 98.7%
A 0.537s 9156 100.0%
B 0.020s 1 0.0%
B 0.051s 98 1.1%
B 0.081s 394 4.3%
B 0.111s 740 8.1%
B 0.142s 1215 13.3%
B 0.172s 1796 19.6%
B 0.202s 2490 27.2%
B 0.233s 3285 35.9%
B 0.263s 4197 45.8%
B 0.293s 5131 56.1%
B 0.323s 6022 65.8%
B 0.354s 6797 74.3%
B 0.384s 7455 81.4%
B 0.415s 8025 87.7%
B 0.445s 8468 92.5%
B 0.475s 8808 96.2%
B 0.506s 9035 98.7%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.051s 9057 98.9%
A 0.081s 8763 95.7%
A 0.111s 8402 91.8%
A 0.142s 7951 86.9%
A 0.172s 7353 80.3%
A 0.202s 6668 72.8%
A 0.233s 5841 63.8%
A 0.263s 4922 53.8%
A 0.294s 3986 43.5%
A 0.324s 3112 34.0%
A 0.355s 2329 25.4%
A 0.385s 1670 18.2%
A 0.415s 1115 12.2%
A 0.446s 661 7.2%
A 0.476s 326 3.6%
A 0.507s 114 1.2%
A 0.537s 7 0.1%
B 0.020s 9145 99.9%
B 0.051s 9033 98.7%
B 0.081s 8763 95.7%
B 0.111s 8410 91.9%
B 0.142s 7942 86.8%
B 0.172s 7360 80.4%
B 0.202s 6670 72.9%
B 0.233s 5869 64.1%
B 0.263s 4954 54.1%
B 0.293s 4022 43.9%
B 0.324s 3135 34.2%
B 0.354s 2361 25.8%
B 0.385s 1673 18.3%
B 0.415s 1109 12.1%
B 0.446s 671 7.3%
B 0.476s 337 3.7%
B 0.506s 117 1.3%
B 0.537s 8 0.1%
A 1 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 0.537 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.1 percent in 0.537 seconds.
Shutter B closed to 0.1 percent in 0.537 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.1e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9234 IDLE
Fri Jul 24 17:02:57 SAST 2026 [elapsed=313 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.5 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Jul 24 17:03 /atlas/obs/03a/61246/03a61246e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jul 24 17:03:19 SAST 2026 [elapsed=335 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (30 seconds old)
OTA humidity level...OK (17%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jul 24 17:03:19 SAST 2026 [elapsed=335 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61245.62731307|info|galildriver|using focus model: foc=9187+(4.30)*15.9+(-0.40)*60.2=9231.3
61245.62731809|info|galildriver|o 2 IN | cass: 3043308 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006237 9234 um b=8f M [focus]
61245.62732823|info|galildriver|o 2 IN | cass: 3043304 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006266 9234 um b=0f [cmd]
bestfocus for o...OK
Fri Jul 24 17:03:22 SAST 2026 [elapsed=338 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jul 24 17:03:48 SAST 2026 [elapsed=364 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 Jul 24 17:03:50 SAST 2026 [elapsed=366 sec] NOTICES: det_dzdx=-890 is outside range +-250 from -558; det_dzdy=2362 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 Jul 24 17:03:50 SAST 2026 [elapsed=366 sec] Happy observing!
Fri Jul 24 17:03:50 SAST 2026 [elapsed=366 sec] Preflight took 366 seconds to complete.
Fri Jul 24 17:03:50 SAST 2026 [elapsed=366 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 3 0.0% A 0.051s 108 1.2% A 0.081s 373 4.1% A 0.111s 723 7.9% A 0.141s 1180 12.9% A 0.171s 1761 19.2% A 0.202s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4144 45.3% A 0.292s 5075 55.4% A 0.323s 5969 65.2% A 0.353s 6752 73.8% A 0.383s 7414 81.0% A 0.413s 7989 87.3% A 0.444s 8446 92.3% A 0.474s 8783 95.9% A 0.504s 9022 98.6% A 0.534s 9136 99.8% A 0.565s 9153 100.0% B 0.020s 1 0.0% B 0.050s 106 1.2% B 0.081s 368 4.0% B 0.111s 714 7.8% B 0.141s 1185 12.9% B 0.171s 1752 19.1% B 0.201s 2443 26.7% B 0.232s 3242 35.4% B 0.262s 4138 45.2% B 0.292s 5043 55.1% B 0.322s 5936 64.8% B 0.353s 6747 73.7% B 0.383s 7402 80.9% B 0.413s 7968 87.0% B 0.443s 8429 92.1% B 0.473s 8776 95.9% B 0.504s 9012 98.4% B 0.534s 9134 99.8% B 0.564s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9048 98.8% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 7381 80.6% A 0.202s 6691 73.1% A 0.232s 5893 64.4% A 0.262s 4984 54.4% A 0.293s 4038 44.1% A 0.323s 3166 34.6% A 0.353s 2388 26.1% A 0.384s 1710 18.7% A 0.414s 1146 12.5% A 0.444s 693 7.6% A 0.474s 358 3.9% A 0.505s 125 1.4% A 0.535s 14 0.2% A 0.565s 2 0.0% B 0.020s 9142 99.9% B 0.050s 9019 98.5% B 0.081s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.171s 7377 80.6% B 0.202s 6689 73.1% B 0.232s 5892 64.4% B 0.262s 4978 54.4% B 0.292s 4054 44.3% B 0.322s 3163 34.6% B 0.353s 2393 26.1% B 0.383s 1701 18.6% B 0.413s 1147 12.5% B 0.443s 699 7.6% B 0.474s 356 3.9% B 0.504s 131 1.4% B 0.534s 15 0.2% B 0.564s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R