STH Recent Preflight: 61296
Executing preflight for 61296 at Sat Sep 12 17:29:22 SAST 2026.
Log can be found in /atlas/obs/03/61296/preflight.dat.
Setting donefile '/atlas/obs/03/61296/preflight_complete.20260912152922.4726' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260912152922.4726.
Sat Sep 12 17:29:22 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Sep 12 17:29:22 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [a0b80ea2-fa8a-4412-985d-c15c9a19cff0;1800]
Sat Sep 12 17:29:22 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat Sep 12 17:29:23 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Sep 12 17:29:23 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sat Sep 12 17:29:23 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Sep 12 17:29:23 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1789226957
OK
Sat Sep 12 17:29:23 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Sep 12 17:29:23 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
Sat Sep 12 17:29:25 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
Sat Sep 12 17:29:25 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Sep 12 17:29:25 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sat Sep 12 15:29:25 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 795 1024 77 0.853 -0.011 0.182
*metbox2.sth.atl .PPS. 1 u 187 1024 377 0.277 -0.049 0.049
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 155.232.19.8 2 u 854 1024 377 23.359 -0.064 0.347
+ntp.as3741.net 146.64.8.7 2 u 280 1024 377 22.811 -0.122 0.487
-ntp2.as3741.net 155.232.19.6 2 u 1058 1024 377 7.301 -0.339 0.837
+196.10.54.57 183.3.52.101 2 u 1033 1024 377 7.329 -0.116 0.127
+ntp5.inx.net.za 183.3.52.101 2 u 1042 1024 377 7.845 -0.073 0.177
#102.222.156.151 196.21.187.2 2 u 617 1024 377 23.364 -0.287 0.223
+ntp2.nog.net.za 80.72.67.48 3 u 842 1024 377 7.582 0.103 0.131
+139.84.231.68 ( 196.21.187.2 2 u 227 1024 377 22.886 -0.025 1.408
-ntp8.inx.net.za 183.3.52.101 2 u 226 1024 377 16.944 0.083 0.122
Sat Sep 12 17:29:29 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (4983GB)
200GB available in /atlas/red...OK (8277GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 5.5T 4.8T 54% /
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 5.5T 7.9T 41% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.8T 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 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
Sat Sep 12 17:29:29 SAST 2026 [elapsed=7 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
Sat Sep 12 17:29:29 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Sat Sep 12 17:29:29 SAST 2026 [elapsed=7 sec] SERVICES2
Sat Sep 12 17:29:29 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Sep 12 17:29:33 SAST 2026 [elapsed=11 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=1.53e+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
Sat Sep 12 17:32:48 SAST 2026 [elapsed=206 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: 243.55 -29.49, az/alt=324.73 +86.49 idle(e) IDLE
Sat Sep 12 17:33:39 SAST 2026 [elapsed=257 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Sep 12 17:34:02 SAST 2026 [elapsed=280 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Sat Sep 12 17:34:02 SAST 2026 [elapsed=280 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (8 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.4C)
Checking CCD plane: Z0=+1731.00 DZDX=-892.00 DZDY=+2888.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Sep 12 17:34:02 SAST 2026 [elapsed=280 sec] WEATHER
status weather: C+ H 11.5C 86% 27/32kph@197 DP2.2C/-17C/d IDLE
...OK
Sat Sep 12 17:34:03 SAST 2026 [elapsed=281 sec] MET
status...OK
met: c=Y o=N Ro6d Cx2h Wo7d Hx0 To86d Do2h wait CH IDLE
Sat Sep 12 17:34:03 SAST 2026 [elapsed=281 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Sep 12 17:34:05 SAST 2026 [elapsed=283 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 272.47 -14.63, 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 -1 -0.0mm 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 108 1.2%
A 0.081s 401 4.4%
A 0.111s 747 8.2%
A 0.142s 1207 13.2%
A 0.172s 1801 19.7%
A 0.202s 2491 27.2%
A 0.232s 3287 35.9%
A 0.263s 4193 45.8%
A 0.293s 5145 56.2%
A 0.323s 6017 65.7%
A 0.354s 6803 74.3%
A 0.384s 7459 81.5%
A 0.414s 8016 87.6%
A 0.445s 8479 92.6%
A 0.475s 8803 96.2%
A 0.505s 9026 98.6%
A 0.536s 9153 100.0%
B 0.027s 5 0.1%
B 0.068s 225 2.5%
B 0.100s 641 7.0%
B 0.137s 1179 12.9%
B 0.172s 1797 19.6%
B 0.212s 2710 29.6%
B 0.244s 3710 40.5%
B 0.280s 4750 51.9%
B 0.320s 6048 66.1%
B 0.351s 6818 74.5%
B 0.381s 7476 81.7%
B 0.411s 8044 87.9%
B 0.441s 8479 92.6%
B 0.472s 8817 96.3%
B 0.502s 9040 98.8%
B 0.532s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9059 99.0%
A 0.081s 8762 95.7%
A 0.111s 8400 91.8%
A 0.141s 7953 86.9%
A 0.172s 7353 80.3%
A 0.202s 6669 72.9%
A 0.232s 5870 64.1%
A 0.263s 4953 54.1%
A 0.293s 4015 43.9%
A 0.323s 3138 34.3%
A 0.353s 2351 25.7%
A 0.384s 1690 18.5%
A 0.414s 1131 12.4%
A 0.444s 684 7.5%
A 0.475s 346 3.8%
A 0.505s 124 1.4%
A 0.535s 11 0.1%
A 0.565s -7 0.0%
B 0.020s 9145 99.9%
B 0.050s 9031 98.7%
B 0.081s 8772 95.8%
B 0.111s 8424 92.0%
B 0.141s 7958 86.9%
B 0.171s 7399 80.8%
B 0.202s 6718 73.4%
B 0.232s 5925 64.7%
B 0.262s 5015 54.8%
B 0.292s 4079 44.6%
B 0.323s 3192 34.9%
B 0.353s 2407 26.3%
B 0.383s 1732 18.9%
B 0.414s 1158 12.7%
B 0.444s 709 7.7%
B 0.474s 355 3.9%
B 0.504s 127 1.4%
B 0.535s 13 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 0.536 seconds.
Shutter B opened to 99.9 percent in 0.532 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=9229 IDLE
Sat Sep 12 17:34:42 SAST 2026 [elapsed=320 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 12 17:34 /atlas/obs/03a/61296/03a61296e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Sep 12 17:35:04 SAST 2026 [elapsed=342 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (14 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Sep 12 17:35:04 SAST 2026 [elapsed=342 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61295.64936400|info|galildriver|using focus model: foc=9187+(4.30)*16.2+(-0.40)*60.2=9232.6
61295.64936901|info|galildriver|o 2 IN | cass: 3039610 15.20 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005305 9230 um b=8f M [focus]
61295.64937916|info|galildriver|o 2 IN | cass: 3039615 15.20 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005307 9230 um b=0f [cmd]
bestfocus for o...OK
Sat Sep 12 17:35:07 SAST 2026 [elapsed=345 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Sep 12 17:35:33 SAST 2026 [elapsed=371 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
Sat Sep 12 17:35:34 SAST 2026 [elapsed=372 sec] NOTICES: det_dzdx=-892 is outside range +-250 from -558; det_dzdy=2888 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sat Sep 12 17:35:34 SAST 2026 [elapsed=372 sec] Happy observing!
Sat Sep 12 17:35:34 SAST 2026 [elapsed=372 sec] Preflight took 372 seconds to complete.
Sat Sep 12 17:35:34 SAST 2026 [elapsed=372 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 114 1.2% A 0.081s 385 4.2% A 0.111s 737 8.1% A 0.141s 1197 13.1% A 0.171s 1782 19.5% A 0.202s 2466 26.9% A 0.232s 3267 35.7% A 0.262s 4173 45.6% A 0.292s 5104 55.8% A 0.322s 5970 65.2% A 0.352s 6752 73.8% A 0.383s 7413 81.0% A 0.413s 7987 87.3% A 0.443s 8444 92.2% A 0.473s 8783 95.9% A 0.503s 9022 98.6% A 0.534s 9136 99.8% A 0.564s 9155 100.0% B 0.020s 0 0.0% B 0.050s 106 1.2% B 0.081s 371 4.1% B 0.111s 715 7.8% B 0.141s 1185 12.9% B 0.171s 1752 19.1% B 0.201s 2442 26.7% B 0.231s 3213 35.1% B 0.262s 4107 44.9% B 0.292s 5044 55.1% B 0.322s 5935 64.8% B 0.352s 6723 73.4% B 0.382s 7401 80.8% B 0.412s 7968 87.0% B 0.443s 8431 92.1% B 0.473s 8778 95.9% B 0.503s 9012 98.4% B 0.533s 9134 99.8% B 0.563s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9153 100.0% A 0.050s 9056 98.9% A 0.081s 8789 96.0% A 0.111s 8435 92.1% A 0.141s 7976 87.1% A 0.171s 7402 80.9% A 0.201s 6716 73.4% A 0.232s 5923 64.7% A 0.262s 5014 54.8% A 0.292s 4069 44.5% A 0.322s 3195 34.9% A 0.352s 2410 26.3% A 0.383s 1751 19.1% A 0.413s 1181 12.9% A 0.443s 717 7.8% A 0.473s 376 4.1% A 0.503s 137 1.5% A 0.534s 16 0.2% A 0.564s 0 0.0% B 0.020s 9142 99.9% B 0.050s 9019 98.5% B 0.081s 8771 95.8% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.171s 7376 80.6% B 0.201s 6687 73.1% B 0.232s 5891 64.4% B 0.262s 4980 54.4% B 0.292s 4054 44.3% B 0.322s 3188 34.8% B 0.352s 2393 26.1% B 0.382s 1725 18.8% B 0.413s 1163 12.7% B 0.443s 712 7.8% B 0.473s 365 4.0% B 0.503s 138 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