STH Recent Preflight: 61213
Executing preflight for 61213 at Sun Jun 21 16:42:10 SAST 2026.
Log can be found in /atlas/obs/03/61213/preflight.dat.
Setting donefile '/atlas/obs/03/61213/preflight_complete.20260621144210.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260621144210.13534.
Sun Jun 21 16:42:10 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Jun 21 16:42:10 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [6f298d1d-6a4c-43aa-b045-c134bd8ba4dc;1800]
Sun Jun 21 16:42:10 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun Jun 21 16:42:11 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Jun 21 16:42:11 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sun Jun 21 16:42:11 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Jun 21 16:42:11 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782052931
OK
Sun Jun 21 16:42:11 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Jun 21 16:42:11 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
Sun Jun 21 16:42:13 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
Sun Jun 21 16:42:13 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Jun 21 16:42:13 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sun Jun 21 14:42:13 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 667 1024 377 1.008 -0.165 0.056
+metbox2.sth.atl .PPS. 1 u 202 1024 377 0.266 -0.205 0.043
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 170 1024 377 23.289 0.083 0.276
-ntp.as3741.net 210.182.58.253 2 u 1053 1024 377 22.823 -0.228 0.126
+ntp2.as3741.net 155.232.19.7 2 u 101 1024 377 7.368 -0.141 0.135
+ntp2.inx.net.za 183.3.52.101 2 u 815 1024 377 7.342 -0.144 0.103
+ntp5.inx.net.za 196.21.187.2 2 u 593 1024 377 7.536 -0.177 0.056
#102.222.156.151 196.21.187.2 2 u 688 1024 377 23.478 -0.304 0.960
+102.222.103.99 80.72.67.48 3 u 211 1024 377 7.536 -0.151 0.174
-139.84.231.68 ( 196.21.187.2 2 u 496 1024 377 22.831 -0.111 0.099
-ntp8.inx.net.za 210.182.58.253 2 u 16 1024 377 16.806 -0.235 0.042
Sun Jun 21 16:42:16 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6168GB)
200GB available in /atlas/red...OK (9048GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.4T 5.9T 43% /
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 57G 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 8.7T 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
Sun Jun 21 16:42:16 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
Sun Jun 21 16:42:16 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Sun Jun 21 16:42:16 SAST 2026 [elapsed=6 sec] SERVICES2
Sun Jun 21 16:42:16 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Jun 21 16:42:20 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= 930kB time=00:00:29.76 bitrate= 256.0kbits/s speed=1.44e+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
Sun Jun 21 16:45:35 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: 149.91 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Sun Jun 21 16:46:26 SAST 2026 [elapsed=256 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Jun 21 16:46:45 SAST 2026 [elapsed=275 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Sun Jun 21 16:46:45 SAST 2026 [elapsed=275 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=+1690.00 DZDX=-890.00 DZDY=+1935.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Jun 21 16:46:45 SAST 2026 [elapsed=275 sec] WEATHER
status weather: C+ H+ 10.3C 88% 9/18kph@69 DP1.8C/-6C/d IDLE
...OK
Sun Jun 21 16:46:46 SAST 2026 [elapsed=276 sec] MET
status...OK
met: c=Y o=N Ro3d Cx2 Wo3d Hx11 To3d Do2d wait CH IDLE
Sun Jun 21 16:46:47 SAST 2026 [elapsed=277 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Jun 21 16:46:47 SAST 2026 [elapsed=277 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 178.83 -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 8 0.1%
A 0.051s 106 1.2%
A 0.081s 389 4.2%
A 0.112s 733 8.0%
A 0.142s 1207 13.2%
A 0.172s 1803 19.7%
A 0.203s 2489 27.2%
A 0.233s 3285 35.9%
A 0.264s 4192 45.8%
A 0.294s 5146 56.2%
A 0.324s 6046 66.0%
A 0.355s 6827 74.6%
A 0.385s 7477 81.7%
A 0.415s 8033 87.8%
A 0.446s 8490 92.7%
A 0.476s 8813 96.3%
A 0.507s 9033 98.7%
A 0.537s 9156 100.0%
B 0.020s 1 0.0%
B 0.051s 100 1.1%
B 0.081s 384 4.2%
B 0.112s 742 8.1%
B 0.142s 1216 13.3%
B 0.172s 1797 19.6%
B 0.203s 2489 27.2%
B 0.233s 3285 35.9%
B 0.264s 4199 45.9%
B 0.294s 5131 56.1%
B 0.324s 6021 65.8%
B 0.355s 6796 74.2%
B 0.385s 7455 81.4%
B 0.415s 8044 87.9%
B 0.446s 8480 92.6%
B 0.476s 8818 96.3%
B 0.506s 9039 98.7%
B 0.537s 9149 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.051s 9059 99.0%
A 0.081s 8763 95.7%
A 0.111s 8402 91.8%
A 0.141s 7952 86.9%
A 0.172s 7353 80.3%
A 0.202s 6667 72.8%
A 0.232s 5870 64.1%
A 0.262s 4954 54.1%
A 0.293s 4014 43.8%
A 0.323s 3139 34.3%
A 0.353s 2353 25.7%
A 0.383s 1687 18.4%
A 0.414s 1132 12.4%
A 0.444s 686 7.5%
A 0.474s 344 3.8%
A 0.504s 123 1.3%
A 0.534s 10 0.1%
A 0.565s -8 0.0%
B 0.020s 9144 99.9%
B 0.050s 9027 98.6%
B 0.081s 8764 95.7%
B 0.111s 8411 91.9%
B 0.141s 7942 86.8%
B 0.171s 7359 80.4%
B 0.202s 6671 72.9%
B 0.232s 5869 64.1%
B 0.262s 4954 54.1%
B 0.292s 4023 43.9%
B 0.323s 3134 34.2%
B 0.353s 2361 25.8%
B 0.383s 1693 18.5%
B 0.413s 1123 12.3%
B 0.444s 684 7.5%
B 0.474s 346 3.8%
B 0.504s 121 1.3%
B 0.534s 10 0.1%
B 0.565s -5 0.0%
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 0.537 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= 228kB time=00:00:07.29 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=9223 IDLE
Sun Jun 21 16:47:23 SAST 2026 [elapsed=313 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:
122M Jun 21 16:47 /atlas/obs/03a/61213/03a61213e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Jun 21 16:47:46 SAST 2026 [elapsed=336 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (87 seconds old)
OTA humidity level...OK (18%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Jun 21 16:47:46 SAST 2026 [elapsed=336 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61212.61651227|info|galildriver|using focus model: foc=9187+(4.30)*13.8+(-0.40)*60.2=9222.2
61212.61651694|info|galildriver|o 2 IN | cass: 3047452 15.24 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54004014 9223 um b=0f [cmd]
bestfocus for o...OK
Sun Jun 21 16:47:48 SAST 2026 [elapsed=338 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Jun 21 16:48:14 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.
doorpsw 3 OFF redLED
doorpsw 2 OFF whiteLED
Sun Jun 21 16:48:15 SAST 2026 [elapsed=365 sec] NOTICES: det_dzdx=-890 is outside range +-250 from -558; det_dzdy=1935 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sun Jun 21 16:48:15 SAST 2026 [elapsed=365 sec] Happy observing!
Sun Jun 21 16:48:15 SAST 2026 [elapsed=365 sec] Preflight took 365 seconds to complete.
Sun Jun 21 16:48:15 SAST 2026 [elapsed=365 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 107 1.2% A 0.081s 375 4.1% A 0.111s 724 7.9% 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 0.293s 5074 55.4% A 0.323s 5971 65.2% A 0.353s 6752 73.8% A 0.383s 7414 81.0% A 0.413s 7990 87.3% A 0.444s 8443 92.2% A 0.474s 8783 95.9% A 0.504s 9022 98.6% A 0.534s 9133 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 120 1.3% B 0.081s 389 4.2% B 0.111s 741 8.1% B 0.141s 1202 13.1% B 0.171s 1774 19.4% B 0.201s 2466 26.9% B 0.232s 3270 35.7% B 0.262s 4167 45.5% B 0.292s 5102 55.7% B 0.322s 5989 65.4% B 0.353s 6772 74.0% B 0.383s 7440 81.3% B 0.413s 8001 87.4% B 0.443s 8456 92.4% B 0.474s 8794 96.1% B 0.504s 9023 98.6% B 0.534s 9139 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 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7957 86.9% A 0.171s 7380 80.6% A 0.201s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4982 54.4% A 0.292s 4068 44.4% A 0.322s 3193 34.9% A 0.353s 2409 26.3% A 0.383s 1730 18.9% A 0.413s 1165 12.7% A 0.443s 706 7.7% A 0.474s 367 4.0% A 0.504s 131 1.4% A 0.534s 15 0.2% A 0.564s 1 0.0% B 0.020s 9145 99.9% B 0.050s 9026 98.6% B 0.081s 8781 95.9% B 0.111s 8436 92.2% B 0.141s 7970 87.1% B 0.171s 7400 80.8% B 0.202s 6715 73.4% B 0.232s 5922 64.7% B 0.262s 5010 54.7% B 0.292s 4084 44.6% B 0.323s 3193 34.9% B 0.353s 2417 26.4% B 0.383s 1723 18.8% B 0.414s 1161 12.7% B 0.444s 712 7.8% B 0.474s 365 4.0% B 0.504s 137 1.5% B 0.534s 17 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R