STH Recent Preflight: 61286
Executing preflight for 61286 at Wed Sep 2 17:23:06 SAST 2026.
Log can be found in /atlas/obs/03/61286/preflight.dat.
Setting donefile '/atlas/obs/03/61286/preflight_complete.20260902152306.30267' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260902152306.30267.
Wed Sep 2 17:23:06 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Sep 2 17:23:06 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [89023dd4-d043-48db-a7d7-b4988777c9ba;1800]
Wed Sep 2 17:23:06 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Wed Sep 2 17:23:07 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Sep 2 17:23:07 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Wed Sep 2 17:23:07 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Sep 2 17:23:07 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1788362586
OK
Wed Sep 2 17:23:07 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Sep 2 17:23:07 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
Wed Sep 2 17:23:14 SAST 2026 [elapsed=8 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
Wed Sep 2 17:23:14 SAST 2026 [elapsed=8 sec] QUEUE
0 observations queued.
Wed Sep 2 17:23:14 SAST 2026 [elapsed=8 sec] CLOCKS
admin: Wed Sep 2 15:23:14 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 830 1024 377 1.097 -0.063 0.026
+metbox2.sth.atl .PPS. 1 u 294 1024 377 0.341 -0.066 0.044
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 562 1024 377 23.393 -0.759 0.478
-ntp.as3741.net 146.64.8.7 2 u 681 1024 377 22.953 -0.182 5.607
-ntp2.as3741.net 155.232.19.6 2 u 916 1024 377 7.304 -0.281 0.126
+ntp2.inx.net.za 183.3.52.101 2 u 252 1024 377 7.335 -0.016 0.081
-ntp5.inx.net.za 210.182.58.253 2 u 812 1024 377 7.484 0.001 0.130
#102.222.156.151 196.21.187.2 2 u 604 1024 377 23.405 -0.799 0.697
+ntp2.nog.net.za 80.72.67.48 3 u 1021 1024 377 7.649 -0.026 0.050
-139.84.231.68 ( 196.21.187.2 2 u 115 1024 377 22.934 0.221 0.868
-ntp8.inx.net.za 183.3.52.101 2 u 919 1024 377 16.839 2.643 1.700
Wed Sep 2 17:23:17 SAST 2026 [elapsed=11 sec] DISKS
200GB available in /atlas/obs...OK (4502GB)
200GB available in /atlas/red...OK (7444GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 6.0T 4.3T 58% /
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 6.3T 7.1T 47% /
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 14% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 738G 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
Wed Sep 2 17:23:17 SAST 2026 [elapsed=11 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
Wed Sep 2 17:23:17 SAST 2026 [elapsed=11 sec] Disabling mount tracking.
Wed Sep 2 17:23:17 SAST 2026 [elapsed=11 sec] SERVICES2
Wed Sep 2 17:23:17 SAST 2026 [elapsed=11 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Sep 2 17:23:21 SAST 2026 [elapsed=15 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= 910kB time=00:00:29.12 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
Wed Sep 2 17:25:55 SAST 2026 [elapsed=169 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: 231.97 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Wed Sep 2 17:26:46 SAST 2026 [elapsed=220 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Sep 2 17:27:05 SAST 2026 [elapsed=239 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Wed Sep 2 17:27:05 SAST 2026 [elapsed=239 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 (-54.0C)
Checking CCD plane: Z0=+1758.00 DZDX=-897.00 DZDY=+3518.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Sep 2 17:27:05 SAST 2026 [elapsed=239 sec] WEATHER
status weather: clear 20.4C 31% 29/34kph@324 DP16.6C/-22C/d IDLE
...OK
Wed Sep 2 17:27:06 SAST 2026 [elapsed=240 sec] MET
status...OK
met: c=N o=Y Ro4d Co11h Wo4d Ho2d To76d Do2d IDLE
Wed Sep 2 17:27:06 SAST 2026 [elapsed=240 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Sep 2 17:27:06 SAST 2026 [elapsed=240 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 260.89 -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 -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 7 0.1%
A 0.051s 108 1.2%
A 0.081s 404 4.4%
A 0.111s 732 8.0%
A 0.141s 1190 13.0%
A 0.172s 1784 19.5%
A 0.202s 2464 26.9%
A 0.232s 3260 35.6%
A 0.262s 4166 45.5%
A 0.293s 5115 55.9%
A 0.323s 5991 65.4%
A 0.353s 6779 74.1%
A 0.384s 7439 81.3%
A 0.414s 8001 87.4%
A 0.444s 8465 92.5%
A 0.474s 8789 96.0%
A 0.505s 9022 98.6%
A 0.535s 9150 100.0%
B 0.020s 1 0.0%
B 0.050s 97 1.1%
B 0.081s 384 4.2%
B 0.111s 726 7.9%
B 0.141s 1199 13.1%
B 0.172s 1778 19.4%
B 0.202s 2466 26.9%
B 0.232s 3256 35.6%
B 0.263s 4168 45.5%
B 0.293s 5104 55.8%
B 0.323s 5991 65.4%
B 0.353s 6775 74.0%
B 0.384s 7436 81.2%
B 0.414s 8009 87.5%
B 0.444s 8455 92.4%
B 0.475s 8797 96.1%
B 0.505s 9027 98.6%
B 0.535s 9143 99.9%
B 0.565s 9159 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9064 99.0%
A 0.081s 8772 95.8%
A 0.111s 8413 91.9%
A 0.141s 7969 87.1%
A 0.172s 7372 80.5%
A 0.202s 6693 73.1%
A 0.232s 5896 64.4%
A 0.262s 4982 54.4%
A 0.293s 4044 44.2%
A 0.323s 3165 34.6%
A 0.353s 2377 26.0%
A 0.384s 1710 18.7%
A 0.414s 1148 12.5%
A 0.444s 698 7.6%
A 0.474s 354 3.9%
A 0.505s 129 1.4%
A 0.535s 15 0.2%
A 0.565s -5 0.0%
B 0.020s 9145 99.9%
B 0.050s 9026 98.6%
B 0.081s 8761 95.7%
B 0.111s 8409 91.9%
B 0.141s 7939 86.7%
B 0.172s 7358 80.4%
B 0.202s 6670 72.9%
B 0.232s 5869 64.1%
B 0.262s 4954 54.1%
B 0.293s 4022 43.9%
B 0.323s 3136 34.3%
B 0.353s 2360 25.8%
B 0.384s 1693 18.5%
B 0.414s 1127 12.3%
B 0.444s 686 7.5%
B 0.474s 347 3.8%
B 0.505s 122 1.3%
B 0.535s 10 0.1%
B 0.565s -3 0.0%
A 0 0.0mm 15 N F R | B -3 -0.1mm 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=1.1e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9314 IDLE
Wed Sep 2 17:27:46 SAST 2026 [elapsed=280 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Sep 2 17:28 /atlas/obs/03a/61286/03a61286e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Sep 2 17:28:08 SAST 2026 [elapsed=302 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (48 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Sep 2 17:28:08 SAST 2026 [elapsed=302 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61285.64454850|info|galildriver|using focus model: foc=9187+(4.30)*20.1+(-0.40)*60.2=9249.3
61285.64455386|info|galildriver|o 2 IN | cass: 3037045 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54022260 9314 um b=8f M [focus]
61285.64456294|info|galildriver|o 2 IN | cass: 3037047 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54017621 9291 um b=8f M [focus]
61285.64457458|info|galildriver|o 2 IN | cass: 3037047 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54010925 9258 um b=8f M [focus]
61285.64458030|info|galildriver|o 2 IN | cass: 3037045 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54009674 9251 um b=8f M [focus]
61285.64458567|info|galildriver|o 2 IN | cass: 3037047 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54009368 9250 um b=8f M [focus]
61285.64459127|info|galildriver|o 2 IN | cass: 3037048 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54009260 9249 um b=0f [cmd]
bestfocus for o...OK
Wed Sep 2 17:28:12 SAST 2026 [elapsed=306 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Sep 2 17:28:38 SAST 2026 [elapsed=332 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
Wed Sep 2 17:28:39 SAST 2026 [elapsed=333 sec] NOTICES: det_dzdx=-897 is outside range +-250 from -558; det_dzdy=3518 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Wed Sep 2 17:28:39 SAST 2026 [elapsed=333 sec] Happy observing!
Wed Sep 2 17:28:39 SAST 2026 [elapsed=333 sec] Preflight took 333 seconds to complete.
Wed Sep 2 17:28:39 SAST 2026 [elapsed=333 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 0.051s 109 1.2% A 0.081s 374 4.1% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.172s 1762 19.2% A 0.202s 2443 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.293s 5073 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7414 81.0% A 0.413s 7989 87.3% A 0.444s 8444 92.2% A 0.474s 8784 96.0% A 0.504s 9021 98.5% A 0.534s 9136 99.8% A 0.565s 9153 100.0% B 0.020s 2 0.0% B 0.050s 121 1.3% B 0.081s 389 4.2% B 0.111s 742 8.1% B 0.141s 1219 13.3% B 0.171s 1793 19.6% B 0.201s 2490 27.2% B 0.232s 3270 35.7% B 0.262s 4199 45.9% B 0.292s 5131 56.1% B 0.322s 6014 65.7% B 0.353s 6796 74.2% B 0.383s 7442 81.3% B 0.413s 8001 87.4% B 0.443s 8457 92.4% B 0.474s 8795 96.1% B 0.504s 9023 98.6% B 0.534s 9138 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9149 99.9% A 0.050s 9047 98.8% A 0.081s 8775 95.9% A 0.111s 8419 92.0% A 0.141s 7956 86.9% A 0.171s 7379 80.6% A 0.202s 6689 73.1% A 0.232s 5892 64.4% A 0.262s 4980 54.4% A 0.292s 4036 44.1% A 0.323s 3164 34.6% A 0.353s 2385 26.1% A 0.383s 1713 18.7% A 0.413s 1147 12.5% A 0.443s 694 7.6% A 0.474s 358 3.9% A 0.504s 125 1.4% A 0.534s 13 0.1% A 0.564s 2 0.0% B 0.020s 9142 99.9% B 0.051s 9018 98.5% B 0.081s 8770 95.8% B 0.111s 8422 92.0% B 0.141s 7952 86.9% B 0.172s 7377 80.6% B 0.202s 6688 73.1% B 0.232s 5891 64.4% B 0.262s 4979 54.4% B 0.293s 4054 44.3% B 0.323s 3163 34.6% B 0.353s 2392 26.1% B 0.383s 1703 18.6% B 0.414s 1147 12.5% B 0.444s 699 7.6% B 0.474s 356 3.9% B 0.504s 132 1.4% B 0.534s 14 0.2% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R