STH Recent Preflight: 61294
Executing preflight for 61294 at Thu Sep 10 17:28:07 SAST 2026.
Log can be found in /atlas/obs/03/61294/preflight.dat.
Setting donefile '/atlas/obs/03/61294/preflight_complete.20260910152807.4726' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260910152807.4726.
Thu Sep 10 17:28:07 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Sep 10 17:28:07 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [f4129016-79e9-4d17-b61f-15ad4e015dd7;1800]
Thu Sep 10 17:28:07 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu Sep 10 17:28:08 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Sep 10 17:28:08 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Thu Sep 10 17:28:08 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Sep 10 17:28:08 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1789054087
OK
Thu Sep 10 17:28:08 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Sep 10 17:28:08 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
Thu Sep 10 17:28:12 SAST 2026 [elapsed=5 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
Thu Sep 10 17:28:12 SAST 2026 [elapsed=5 sec] QUEUE
0 observations queued.
Thu Sep 10 17:28:12 SAST 2026 [elapsed=5 sec] CLOCKS
admin: Thu Sep 10 15:28:12 UTC 2026
metbox: 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 600 1024 377 1.055 0.035 0.051
+metbox2.sth.atl .PPS. 1 u 311 1024 377 0.272 0.025 0.066
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 196.21.187.2 2 u 340 1024 377 23.286 0.344 0.321
-ntp.as3741.net 146.64.8.7 2 u 484 1024 377 22.958 -0.174 0.408
+ntp2.as3741.net 155.232.19.6 2 u 47 1024 377 7.323 0.046 0.065
+ntp2.inx.net.za 183.3.52.101 2 u 13 1024 377 7.286 0.090 0.141
+ntp5.inx.net.za 210.182.58.253 2 u 173 1024 377 7.606 0.127 0.172
#102.222.156.151 196.21.187.2 2 u 38 1024 337 23.539 0.033 0.911
+ntp2.nog.net.za 80.72.67.48 3 u 324 1024 377 7.556 0.136 0.263
+139.84.231.68 ( 196.21.187.2 2 u 395 1024 377 22.818 0.042 1.530
-ntp8.inx.net.za 183.3.52.101 2 u 154 1024 377 16.950 -0.027 8.100
Thu Sep 10 17:28:16 SAST 2026 [elapsed=9 sec] DISKS
200GB available in /atlas/obs...OK (4920GB)
200GB available in /atlas/red...OK (7977GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 5.6T 4.7T 55% /
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 5.8T 7.7T 44% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 2.0T 12T 15% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 737G 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
Thu Sep 10 17:28:19 SAST 2026 [elapsed=12 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
Thu Sep 10 17:28:19 SAST 2026 [elapsed=12 sec] Disabling mount tracking.
Thu Sep 10 17:28:19 SAST 2026 [elapsed=12 sec] SERVICES2
Thu Sep 10 17:28:19 SAST 2026 [elapsed=12 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Sep 10 17:28:23 SAST 2026 [elapsed=16 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= 932kB time=00:00:29.82 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
Thu Sep 10 17:30:55 SAST 2026 [elapsed=168 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: 241.11 -29.49, az/alt=324.73 +86.49 idle(e) IDLE
Thu Sep 10 17:31:46 SAST 2026 [elapsed=219 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Sep 10 17:32:05 SAST 2026 [elapsed=238 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Thu Sep 10 17:32:05 SAST 2026 [elapsed=238 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (7 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.1C)
Checking CCD plane: Z0=+1755.00 DZDX=-898.00 DZDY=+3424.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Sep 10 17:32:05 SAST 2026 [elapsed=238 sec] WEATHER
status weather: C 19.4C 34% 26/31kph@312 DP16.5C/-2C/d IDLE
...OK
Thu Sep 10 17:32:06 SAST 2026 [elapsed=239 sec] MET
status...OK
met: c=N o=N Ro4d Cs0 Wo5d Ho2d To84d Do10d wait C IDLE
Thu Sep 10 17:32:06 SAST 2026 [elapsed=239 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Sep 10 17:32:06 SAST 2026 [elapsed=239 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 270.02 -14.64, az/alt=59.90 +60.06 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 114 1.2%
A 0.081s 404 4.4%
A 0.111s 735 8.0%
A 0.141s 1189 13.0%
A 0.171s 1783 19.5%
A 0.202s 2465 26.9%
A 0.232s 3260 35.6%
A 0.262s 4165 45.5%
A 0.293s 5115 55.9%
A 0.323s 5990 65.4%
A 0.353s 6780 74.1%
A 0.383s 7439 81.3%
A 0.414s 8000 87.4%
A 0.444s 8466 92.5%
A 0.474s 8791 96.0%
A 0.504s 9020 98.5%
A 0.535s 9151 100.0%
B 0.020s 1 0.0%
B 0.050s 98 1.1%
B 0.081s 384 4.2%
B 0.111s 727 7.9%
B 0.141s 1197 13.1%
B 0.171s 1779 19.4%
B 0.202s 2465 26.9%
B 0.232s 3257 35.6%
B 0.262s 4167 45.5%
B 0.292s 5103 55.7%
B 0.323s 5991 65.4%
B 0.353s 6774 74.0%
B 0.383s 7436 81.2%
B 0.414s 8010 87.5%
B 0.444s 8454 92.4%
B 0.474s 8787 96.0%
B 0.504s 9022 98.6%
B 0.534s 9141 99.9%
B 0.565s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9071 99.1%
A 0.081s 8782 95.9%
A 0.111s 8425 92.0%
A 0.141s 7986 87.2%
A 0.171s 7393 80.8%
A 0.202s 6715 73.4%
A 0.232s 5925 64.7%
A 0.262s 5012 54.8%
A 0.292s 4074 44.5%
A 0.323s 3193 34.9%
A 0.353s 2399 26.2%
A 0.383s 1730 18.9%
A 0.413s 1165 12.7%
A 0.444s 710 7.8%
A 0.474s 365 4.0%
A 0.504s 136 1.5%
A 0.534s 15 0.2%
A 0.565s -6 0.0%
B 0.020s 9146 99.9%
B 0.050s 9038 98.7%
B 0.081s 8780 95.9%
B 0.111s 8436 92.2%
B 0.141s 7972 87.1%
B 0.171s 7399 80.8%
B 0.202s 6716 73.4%
B 0.232s 5925 64.7%
B 0.262s 5014 54.8%
B 0.292s 4079 44.6%
B 0.323s 3193 34.9%
B 0.353s 2407 26.3%
B 0.383s 1733 18.9%
B 0.413s 1159 12.7%
B 0.444s 709 7.7%
B 0.474s 365 4.0%
B 0.504s 133 1.5%
B 0.534s 16 0.2%
B 0.565s -5 0.0%
A 0 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 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=1.11e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9324 IDLE
Thu Sep 10 17:32:42 SAST 2026 [elapsed=275 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Sep 10 17:33 /atlas/obs/03a/61294/03a61294e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Sep 10 17:33:05 SAST 2026 [elapsed=298 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (75 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Sep 10 17:33:05 SAST 2026 [elapsed=298 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61293.64798203|info|galildriver|using focus model: foc=9187+(4.30)*19.4+(-0.40)*60.2=9246.3
61293.64798738|info|galildriver|o 2 IN | cass: 3037281 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54023667 9321 um b=8f M [focus]
61293.64799646|info|galildriver|o 2 IN | cass: 3037284 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54018403 9295 um b=8f M [focus]
61293.64800811|info|galildriver|o 2 IN | cass: 3037287 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54011690 9262 um b=8f M [focus]
61293.64801638|info|galildriver|o 2 IN | cass: 3037285 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54008962 9248 um b=8f M [focus]
61293.64801977|info|galildriver|o 2 IN | cass: 3037286 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54008760 9247 um b=8f M [focus]
61293.64802537|info|galildriver|o 2 IN | cass: 3037287 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54008649 9246 um b=0f [cmd]
bestfocus for o...OK
Thu Sep 10 17:33:10 SAST 2026 [elapsed=303 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Sep 10 17:33:36 SAST 2026 [elapsed=329 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
Thu Sep 10 17:33:37 SAST 2026 [elapsed=330 sec] NOTICES: det_dzdx=-898 is outside range +-250 from -558; det_dzdy=3424 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Thu Sep 10 17:33:37 SAST 2026 [elapsed=330 sec] Happy observing!
Thu Sep 10 17:33:37 SAST 2026 [elapsed=330 sec] Preflight took 330 seconds to complete.
Thu Sep 10 17:33:37 SAST 2026 [elapsed=330 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 4 0.0% A 0.051s 120 1.3% A 0.081s 396 4.3% A 0.111s 749 8.2% A 0.141s 1214 13.3% A 0.172s 1804 19.7% A 0.202s 2489 27.2% A 0.232s 3295 36.0% A 0.262s 4204 45.9% A 0.293s 5133 56.1% A 0.323s 6027 65.8% A 0.353s 6796 74.2% A 0.383s 7453 81.4% A 0.414s 8006 87.5% A 0.444s 8457 92.4% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.535s 9137 99.8% A 0.565s 9153 100.0% B 0.020s 1 0.0% B 0.050s 120 1.3% B 0.081s 381 4.2% B 0.111s 728 8.0% B 0.141s 1201 13.1% B 0.171s 1773 19.4% B 0.201s 2468 27.0% B 0.232s 3268 35.7% B 0.262s 4166 45.5% B 0.292s 5102 55.7% B 0.322s 5988 65.4% B 0.353s 6773 74.0% B 0.383s 7439 81.3% B 0.413s 8000 87.4% B 0.444s 8456 92.4% B 0.474s 8796 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7959 86.9% A 0.171s 7381 80.6% A 0.201s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4982 54.4% A 0.292s 4038 44.1% A 0.322s 3194 34.9% A 0.353s 2409 26.3% A 0.383s 1732 18.9% A 0.413s 1164 12.7% A 0.443s 705 7.7% A 0.473s 368 4.0% A 0.504s 132 1.4% A 0.534s 15 0.2% A 0.564s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9026 98.6% B 0.081s 8779 95.9% B 0.111s 8434 92.1% B 0.141s 7969 87.1% B 0.171s 7400 80.8% B 0.201s 6714 73.3% B 0.232s 5919 64.7% B 0.262s 5007 54.7% B 0.292s 4083 44.6% B 0.322s 3191 34.9% B 0.353s 2416 26.4% B 0.383s 1727 18.9% B 0.413s 1159 12.7% B 0.443s 713 7.8% B 0.474s 364 4.0% B 0.504s 137 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