STH Recent Preflight: 61218
Executing preflight for 61218 at Fri Jun 26 16:43:27 SAST 2026.
Log can be found in /atlas/obs/03/61218/preflight.dat.
Setting donefile '/atlas/obs/03/61218/preflight_complete.20260626144327.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260626144327.13534.
Fri Jun 26 16:43:27 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jun 26 16:43:27 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [d4bba0af-1e7a-4d44-9d56-a38d50f1debb;1800]
Fri Jun 26 16:43:27 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Jun 26 16:43:28 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Jun 26 16:43:28 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jun 26 16:43:28 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jun 26 16:43:28 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782484998
OK
Fri Jun 26 16:43:28 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jun 26 16:43:28 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 26 16:43:30 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 26 16:43:30 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Jun 26 16:43:30 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Fri Jun 26 14:43:30 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 83 1024 377 1.025 0.005 0.063
+metbox2.sth.atl .PPS. 1 u 638 1024 377 0.234 -0.016 0.062
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 629 1024 377 23.322 -0.293 0.281
-ntp.as3741.net 210.182.58.253 2 u 1047 1024 377 22.998 -0.120 0.289
-ntp2.as3741.net 155.232.19.7 2 u 351 1024 377 7.201 -0.172 0.032
+ntp2.inx.net.za 210.182.58.253 2 u 517 1024 377 7.265 0.020 0.098
-ntp5.inx.net.za 183.3.52.101 2 u 670 1024 377 7.493 -0.127 0.037
#102.222.156.151 196.21.187.2 2 u 524 1024 377 26.588 0.586 1.922
+102.222.103.99 80.72.67.48 3 u 648 1024 377 7.528 0.000 0.158
+139.84.231.68 ( 196.21.187.2 2 u 183 1024 377 22.713 0.040 0.105
-ntp8.inx.net.za 210.182.58.253 2 u 441 1024 377 16.965 -0.234 0.042
Fri Jun 26 16:43:32 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6357GB)
200GB available in /atlas/red...OK (9438GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.2T 6.1T 41% /
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 4.4T 9.1T 33% /
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 26 16:43:32 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 26 16:43:32 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Fri Jun 26 16:43:33 SAST 2026 [elapsed=6 sec] SERVICES2
Fri Jun 26 16:43:33 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jun 26 16:43:37 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=1.5e+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 Jun 26 16:46:50 SAST 2026 [elapsed=203 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: 155.15 -29.49, az/alt=324.83 +86.49 idle(e) IDLE
Fri Jun 26 16:47:40 SAST 2026 [elapsed=253 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jun 26 16:48:03 SAST 2026 [elapsed=276 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=306.0 IDLE
Fri Jun 26 16:48:03 SAST 2026 [elapsed=276 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (9 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.3C)
Checking CCD plane: Z0=+1715.00 DZDX=-892.00 DZDY=+2504.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Jun 26 16:48:03 SAST 2026 [elapsed=276 sec] WEATHER
status weather: C 12.7C 64% 25/27kph@54 DP6.8C/31C/d IDLE
...OK
Fri Jun 26 16:48:03 SAST 2026 [elapsed=276 sec] MET
status...OK
met: c=N o=N Ro8h Cx0 Wo8d Ho3h To8d Do1d wait C IDLE
Fri Jun 26 16:48:03 SAST 2026 [elapsed=276 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jun 26 16:48:05 SAST 2026 [elapsed=278 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 184.06 -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 99 1.1%
A 0.081s 381 4.2%
A 0.111s 723 7.9%
A 0.141s 1172 12.8%
A 0.172s 1763 19.3%
A 0.202s 2444 26.7%
A 0.232s 3230 35.3%
A 0.263s 4132 45.1%
A 0.293s 5086 55.6%
A 0.323s 5964 65.2%
A 0.353s 6757 73.8%
A 0.384s 7419 81.0%
A 0.414s 7982 87.2%
A 0.444s 8454 92.4%
A 0.474s 8784 96.0%
A 0.505s 9014 98.5%
A 0.535s 9150 100.0%
B 0.020s 1 0.0%
B 0.050s 106 1.2%
B 0.081s 394 4.3%
B 0.111s 741 8.1%
B 0.141s 1214 13.3%
B 0.172s 1797 19.6%
B 0.202s 2489 27.2%
B 0.232s 3284 35.9%
B 0.262s 4198 45.9%
B 0.293s 5131 56.1%
B 0.323s 6020 65.8%
B 0.353s 6796 74.2%
B 0.383s 7456 81.5%
B 0.414s 8026 87.7%
B 0.444s 8467 92.5%
B 0.474s 8807 96.2%
B 0.504s 9034 98.7%
B 0.535s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9065 99.0%
A 0.081s 8773 95.8%
A 0.111s 8414 91.9%
A 0.141s 7969 87.1%
A 0.172s 7374 80.6%
A 0.202s 6691 73.1%
A 0.232s 5897 64.4%
A 0.263s 4984 54.4%
A 0.293s 4044 44.2%
A 0.323s 3166 34.6%
A 0.353s 2377 26.0%
A 0.384s 1706 18.6%
A 0.414s 1147 12.5%
A 0.444s 699 7.6%
A 0.475s 353 3.9%
A 0.505s 129 1.4%
A 0.535s 13 0.1%
A 0.565s -8 0.0%
B 0.020s 9144 99.9%
B 0.050s 9026 98.6%
B 0.081s 8763 95.7%
B 0.111s 8410 91.9%
B 0.141s 7939 86.7%
B 0.172s 7360 80.4%
B 0.202s 6670 72.9%
B 0.232s 5869 64.1%
B 0.262s 4955 54.1%
B 0.293s 4021 43.9%
B 0.323s 3135 34.2%
B 0.353s 2362 25.8%
B 0.384s 1692 18.5%
B 0.414s 1125 12.3%
B 0.444s 684 7.5%
B 0.474s 346 3.8%
B 0.505s 122 1.3%
B 0.535s 10 0.1%
B 0.565s -6 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 0.535 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 0.565 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.15e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9228 IDLE
Fri Jun 26 16:48:41 SAST 2026 [elapsed=314 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=306.0 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Jun 26 16:48 /atlas/obs/03a/61218/03a61218e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jun 26 16:49:04 SAST 2026 [elapsed=337 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (75 seconds old)
OTA humidity level...OK (20%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jun 26 16:49:04 SAST 2026 [elapsed=337 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61217.61741550|info|galildriver|using focus model: foc=9187+(4.30)*15.7+(-0.40)*60.2=9230.4
61217.61742017|info|galildriver|o 2 IN | cass: 3046022 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54005121 9229 um b=0f [cmd]
bestfocus for o...OK
Fri Jun 26 16:49:05 SAST 2026 [elapsed=338 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jun 26 16:49:31 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
Fri Jun 26 16:49:33 SAST 2026 [elapsed=366 sec] NOTICES: det_dzdx=-892 is outside range +-250 from -558; det_dzdy=2504 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 26 16:49:33 SAST 2026 [elapsed=366 sec] Happy observing!
Fri Jun 26 16:49:33 SAST 2026 [elapsed=366 sec] Preflight took 366 seconds to complete.
Fri Jun 26 16:49:33 SAST 2026 [elapsed=366 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 115 1.3% A 0.081s 385 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 4175 45.6% A 0.292s 5103 55.7% A 0.323s 5998 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.413s 8006 87.5% A 0.444s 8444 92.2% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.534s 9135 99.8% A 0.564s 9153 100.0% B 0.020s 0 0.0% B 0.050s 113 1.2% B 0.080s 367 4.0% B 0.111s 714 7.8% B 0.141s 1185 12.9% B 0.171s 1752 19.1% B 0.201s 2442 26.7% B 0.232s 3238 35.4% B 0.262s 4137 45.2% B 0.292s 5072 55.4% B 0.322s 5961 65.1% B 0.353s 6747 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.443s 8444 92.2% B 0.474s 8787 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 9150 100.0% A 0.050s 9043 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 0.263s 4951 54.1% A 0.293s 4009 43.8% A 0.323s 3139 34.3% A 0.353s 2363 25.8% A 0.383s 1691 18.5% A 0.414s 1130 12.3% A 0.444s 682 7.5% A 0.474s 349 3.8% A 0.504s 120 1.3% A 0.535s 13 0.1% A 0.565s 1 0.0% B 0.020s 9142 99.9% B 0.050s 9014 98.5% B 0.081s 8762 95.7% B 0.111s 8410 91.9% B 0.141s 7936 86.7% B 0.171s 7379 80.6% B 0.201s 6690 73.1% B 0.231s 5894 64.4% B 0.262s 4982 54.4% B 0.292s 4055 44.3% B 0.322s 3162 34.5% B 0.353s 2394 26.2% B 0.383s 1704 18.6% B 0.413s 1146 12.5% B 0.443s 700 7.6% B 0.474s 355 3.9% B 0.504s 132 1.4% B 0.534s 13 0.1% B 0.565s 0 0.0% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R