STH Recent Preflight: 61211
Executing preflight for 61211 at Fri Jun 19 16:41:43 SAST 2026.
Log can be found in /atlas/obs/03/61211/preflight.dat.
Setting donefile '/atlas/obs/03/61211/preflight_complete.20260619144143.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260619144143.13534.
Fri Jun 19 16:41:43 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jun 19 16:41:43 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [59fadf56-0728-4d68-9778-bc86184da03d;1800]
Fri Jun 19 16:41:43 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Jun 19 16:41:44 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Jun 19 16:41:44 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jun 19 16:41:44 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jun 19 16:41:44 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1781880104
OK
Fri Jun 19 16:41:44 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jun 19 16:41:44 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 Jun 19 16:41:46 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 Jun 19 16:41:46 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Jun 19 16:41:46 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Fri Jun 19 14:41:46 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 267 1024 377 0.986 0.079 0.054
*metbox2.sth.atl .PPS. 1 u 440 1024 377 0.260 0.049 0.052
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 562 1024 377 23.268 0.238 0.794
+ntp.as3741.net 210.182.58.253 2 u 669 1024 377 22.878 -0.133 1.210
+ntp2.as3741.net 155.232.19.7 2 u 819 1024 377 7.344 0.025 0.198
-ntp2.inx.net.za 210.182.58.253 2 u 392 1024 377 7.266 0.168 0.070
-ntp5.inx.net.za 102.176.229.251 2 u 728 1024 377 7.469 0.241 0.113
#102.222.156.151 196.21.187.2 2 u 514 1024 373 23.363 0.482 0.706
+102.222.103.99 80.72.67.48 3 u 437 1024 377 7.585 0.029 0.138
-139.84.231.68 ( 196.21.187.2 2 u 433 1024 377 22.694 0.177 1.002
-ntp8.inx.net.za 210.182.58.253 2 u 626 1024 377 16.827 -0.072 0.079
Fri Jun 19 16:41:48 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6212GB)
200GB available in /atlas/red...OK (8979GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.3T 6.0T 42% /
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 37G 56G 40% /
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 4.8T 8.6T 36% /
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 Jun 19 16:41:48 SAST 2026 [elapsed=5 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 Jun 19 16:41:48 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Fri Jun 19 16:41:48 SAST 2026 [elapsed=5 sec] SERVICES2
Fri Jun 19 16:41:48 SAST 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jun 19 16:41:53 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= 912kB time=00:00:29.18 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
Fri Jun 19 16:45:07 SAST 2026 [elapsed=204 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: 147.83 -29.49, az/alt=324.82 +86.49 idle(e) IDLE
Fri Jun 19 16:45:58 SAST 2026 [elapsed=255 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jun 19 16:46:17 SAST 2026 [elapsed=274 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.9 IDLE
Fri Jun 19 16:46:17 SAST 2026 [elapsed=274 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (5 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.5C)
Checking CCD plane: Z0=+1686.00 DZDX=-885.00 DZDY=+1841.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Jun 19 16:46:17 SAST 2026 [elapsed=274 sec] WEATHER
status weather: clear H+ 6.5C 87% 14/21kph@146 DP0.9C/-37C/d IDLE
...OK
Fri Jun 19 16:46:18 SAST 2026 [elapsed=275 sec] MET
status...OK
met: c=N o=N Ro1d Co5h Wo1d Hx2 To1d Do23h wait H IDLE
Fri Jun 19 16:46:18 SAST 2026 [elapsed=275 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jun 19 16:46:18 SAST 2026 [elapsed=275 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 176.74 -14.63, az/alt=59.90 +60.05 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 -1 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 9 0.1%
A 0.051s 113 1.2%
A 0.081s 400 4.4%
A 0.112s 747 8.2%
A 0.142s 1223 13.4%
A 0.172s 1823 19.9%
A 0.203s 2514 27.5%
A 0.233s 3314 36.2%
A 0.263s 4224 46.1%
A 0.294s 5176 56.5%
A 0.324s 6047 66.1%
A 0.355s 6826 74.6%
A 0.385s 7494 81.9%
A 0.416s 8052 88.0%
A 0.446s 8502 92.9%
A 0.476s 8819 96.3%
A 0.507s 9039 98.7%
A 0.537s 9157 100.0%
B 0.020s 2 0.0%
B 0.051s 105 1.1%
B 0.081s 392 4.3%
B 0.111s 740 8.1%
B 0.142s 1213 13.3%
B 0.172s 1797 19.6%
B 0.203s 2512 27.4%
B 0.233s 3313 36.2%
B 0.263s 4230 46.2%
B 0.294s 5160 56.4%
B 0.324s 6048 66.1%
B 0.354s 6818 74.5%
B 0.385s 7476 81.7%
B 0.415s 8044 87.9%
B 0.445s 8479 92.6%
B 0.475s 8818 96.3%
B 0.506s 9040 98.8%
B 0.536s 9149 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9066 99.0%
A 0.081s 8775 95.9%
A 0.111s 8414 91.9%
A 0.142s 7969 87.1%
A 0.172s 7374 80.6%
A 0.203s 6691 73.1%
A 0.233s 5899 64.4%
A 0.263s 4981 54.4%
A 0.294s 4045 44.2%
A 0.324s 3138 34.3%
A 0.354s 2352 25.7%
A 0.385s 1689 18.5%
A 0.415s 1130 12.3%
A 0.445s 685 7.5%
A 0.476s 344 3.8%
A 0.506s 122 1.3%
A 0.536s 11 0.1%
A 0.567s -8 0.0%
B 0.020s 9145 99.9%
B 0.051s 9033 98.7%
B 0.081s 8774 95.8%
B 0.111s 8424 92.0%
B 0.142s 7958 86.9%
B 0.172s 7379 80.6%
B 0.202s 6696 73.1%
B 0.233s 5896 64.4%
B 0.263s 4955 54.1%
B 0.294s 4022 43.9%
B 0.324s 3135 34.2%
B 0.354s 2360 25.8%
B 0.385s 1693 18.5%
B 0.415s 1123 12.3%
B 0.445s 685 7.5%
B 0.476s 345 3.8%
B 0.506s 122 1.3%
B 0.536s 9 0.1%
A 1 0.0mm 15 N F R | B -6 -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 0.0 percent in 0.567 seconds.
Shutter B closed to 0.1 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.04e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9219 IDLE
Fri Jun 19 16:46:55 SAST 2026 [elapsed=312 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:
122M Jun 19 16:47 /atlas/obs/03a/61211/03a61211e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jun 19 16:47:17 SAST 2026 [elapsed=334 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (58 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jun 19 16:47:17 SAST 2026 [elapsed=334 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61210.61618159|info|galildriver|using focus model: foc=9187+(4.30)*13.4+(-0.40)*60.2=9220.5
61210.61618625|info|galildriver|o 2 IN | cass: 3048123 15.24 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54003327 9220 um b=0f [cmd]
bestfocus for o...OK
Fri Jun 19 16:47:19 SAST 2026 [elapsed=336 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jun 19 16:47:45 SAST 2026 [elapsed=362 sec] Disabling mount tracking.
Waiting on the mount ... done.
Turning tracking off ... done.
Waiting on the mount ... done.
Recheck mount status ... done.
doorpsw 3 OFF redLED
doorpsw 2 OFF whiteLED
Fri Jun 19 16:47:46 SAST 2026 [elapsed=363 sec] NOTICES: det_dzdx=-885 is outside range +-250 from -558; det_dzdy=1841 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 Jun 19 16:47:46 SAST 2026 [elapsed=363 sec] Happy observing!
Fri Jun 19 16:47:46 SAST 2026 [elapsed=363 sec] Preflight took 363 seconds to complete.
Fri Jun 19 16:47:46 SAST 2026 [elapsed=363 sec] STARTING CLEANUP
Turning off LEDs
doorpsw 3 OFF redLED
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 0.050s 114 1.2% A 0.081s 386 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.292s 5104 55.8% A 0.322s 5998 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.413s 8007 87.5% A 0.443s 8456 92.4% A 0.473s 8783 95.9% A 0.504s 9027 98.6% A 0.534s 9135 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 113 1.2% B 0.081s 379 4.1% B 0.111s 728 8.0% B 0.141s 1201 13.1% B 0.171s 1774 19.4% B 0.202s 2465 26.9% B 0.232s 3243 35.4% B 0.262s 4138 45.2% B 0.292s 5072 55.4% B 0.322s 5961 65.1% B 0.353s 6749 73.7% B 0.383s 7421 81.1% B 0.413s 7986 87.2% B 0.443s 8443 92.2% B 0.473s 8786 96.0% B 0.504s 9017 98.5% B 0.534s 9136 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9043 98.8% A 0.081s 8778 95.9% A 0.111s 8408 91.9% A 0.141s 7958 86.9% A 0.171s 7359 80.4% A 0.202s 6693 73.1% A 0.232s 5894 64.4% A 0.262s 4982 54.4% A 0.292s 4038 44.1% A 0.323s 3165 34.6% A 0.353s 2387 26.1% A 0.383s 1710 18.7% A 0.413s 1148 12.5% A 0.444s 693 7.6% A 0.474s 358 3.9% A 0.504s 126 1.4% A 0.534s 13 0.1% A 0.565s 1 0.0% B 0.020s 9141 99.9% B 0.050s 9012 98.4% B 0.081s 8762 95.7% B 0.111s 8409 91.9% B 0.141s 7936 86.7% B 0.171s 7379 80.6% B 0.202s 6689 73.1% B 0.232s 5891 64.4% B 0.262s 4981 54.4% B 0.292s 4055 44.3% B 0.323s 3164 34.6% B 0.353s 2391 26.1% B 0.383s 1703 18.6% B 0.413s 1147 12.5% B 0.443s 700 7.6% B 0.474s 356 3.9% B 0.504s 133 1.5% B 0.534s 15 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R