STH Recent Preflight: 61323
Executing preflight for 61323 at Fri Oct 9 17:46:50 SAST 2026.
Log can be found in /atlas/obs/03/61323/preflight.dat.
Setting donefile '/atlas/obs/03/61323/preflight_complete.20261009154650.1280' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261009154650.1280.
Fri Oct 9 17:46:50 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Oct 9 17:46:50 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [62afd766-cadc-4302-ace6-781fab8bb0a9;1800]
Fri Oct 9 17:46:50 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Oct 9 17:46:51 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Oct 9 17:46:51 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Fri Oct 9 17:46:51 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Oct 9 17:46:51 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1791560807
OK
Fri Oct 9 17:46:51 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Oct 9 17:46:51 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 Oct 9 17:46:53 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 Oct 9 17:46:53 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Oct 9 17:46:53 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Fri Oct 9 15:46:53 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 385 1024 377 1.060 -0.099 0.056
-metbox2.sth.atl .PPS. 1 u 857 1024 377 0.277 -0.169 0.044
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 517 1024 377 23.279 0.973 0.300
-ntp.as3741.net 146.64.58.41 2 u 722 1024 377 23.007 -0.046 5.716
+ntp2.as3741.net 155.232.19.6 2 u 533 1024 377 7.195 -0.135 0.046
-ntp2.inx.net.za 183.3.52.101 2 u 761 1024 377 7.260 -0.136 0.037
+ntp2.nog.net.za 80.72.67.48 3 u 775 1024 377 7.523 -0.074 0.039
-139.84.231.68 ( 196.21.187.2 2 u 579 1024 377 22.969 -0.002 1.089
-ntp7.inx.net.za 183.3.52.101 2 u 564 1024 377 16.488 -0.114 8.105
-tick.sanren.ac. .TC. 1 u 684 1024 377 23.441 -0.162 0.134
Fri Oct 9 17:46:56 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6259GB)
200GB available in /atlas/red...OK (9209GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.3T 6.0T 42% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
admin:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/sda2 117G 22G 89G 20% /
archon:/dev/loop0 106M 106M 0 100% /snap/core/17284
archon:/dev/loop1 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 4.6T 8.8T 35% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.9T 12T 15% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
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/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Fri Oct 9 17:46:56 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
Fri Oct 9 17:46:56 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Fri Oct 9 17:46:57 SAST 2026 [elapsed=7 sec] SERVICES2
Fri Oct 9 17:46:57 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Oct 9 17:47:01 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= 932kB time=00:00:29.82 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
Fri Oct 9 17:49:34 SAST 2026 [elapsed=164 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: 274.37 -29.49, az/alt=324.74 +86.49 idle(e) IDLE
Fri Oct 9 17:50:25 SAST 2026 [elapsed=215 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Oct 9 17:50:44 SAST 2026 [elapsed=234 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.8 IDLE
Fri Oct 9 17:50:44 SAST 2026 [elapsed=234 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (10 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.2C)
Checking CCD plane: Z0=+1752.00 DZDX=-928.00 DZDY=+3364.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Oct 9 17:50:44 SAST 2026 [elapsed=234 sec] WEATHER
status weather: clear 17.8C 43% 23/26kph@294 DP11.4C/-63C/d IDLE
...OK
Fri Oct 9 17:50:45 SAST 2026 [elapsed=235 sec] MET
status...OK
met: c=N o=Y Ro3d Co2d Wo2d Ho2d To15d Do1d IDLE
Fri Oct 9 17:50:45 SAST 2026 [elapsed=235 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Oct 9 17:50:47 SAST 2026 [elapsed=237 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 303.29 -14.64, 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 -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 -1 -0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.050s 108 1.2%
A 0.081s 392 4.3%
A 0.111s 734 8.0%
A 0.141s 1189 13.0%
A 0.171s 1784 19.5%
A 0.202s 2465 26.9%
A 0.232s 3260 35.6%
A 0.262s 4166 45.5%
A 0.292s 5114 55.9%
A 0.323s 5990 65.4%
A 0.353s 6780 74.1%
A 0.383s 7439 81.3%
A 0.413s 7999 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 0 0.0%
B 0.050s 90 1.0%
B 0.081s 374 4.1%
B 0.111s 713 7.8%
B 0.141s 1180 12.9%
B 0.171s 1757 19.2%
B 0.202s 2442 26.7%
B 0.232s 3232 35.3%
B 0.262s 4137 45.2%
B 0.292s 5072 55.4%
B 0.323s 5962 65.1%
B 0.353s 6755 73.8%
B 0.383s 7414 81.0%
B 0.413s 7994 87.3%
B 0.444s 8443 92.2%
B 0.474s 8786 96.0%
B 0.504s 9022 98.6%
B 0.534s 9139 99.8%
B 0.565s 9161 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.051s 9056 98.9%
A 0.081s 8761 95.7%
A 0.111s 8402 91.8%
A 0.141s 7950 86.8%
A 0.172s 7353 80.3%
A 0.202s 6669 72.9%
A 0.232s 5868 64.1%
A 0.262s 4954 54.1%
A 0.293s 4013 43.8%
A 0.323s 3136 34.3%
A 0.354s 2356 25.7%
A 0.384s 1690 18.5%
A 0.414s 1129 12.3%
A 0.444s 687 7.5%
A 0.475s 346 3.8%
A 0.505s 118 1.3%
A 0.535s 12 0.1%
A 0.566s -5 0.0%
B 0.020s 9146 99.9%
B 0.050s 9032 98.7%
B 0.081s 8772 95.8%
B 0.111s 8423 92.0%
B 0.141s 7956 86.9%
B 0.171s 7380 80.6%
B 0.202s 6693 73.1%
B 0.232s 5897 64.4%
B 0.262s 4984 54.4%
B 0.293s 4051 44.3%
B 0.323s 3164 34.6%
B 0.353s 2383 26.0%
B 0.384s 1713 18.7%
B 0.414s 1142 12.5%
B 0.444s 697 7.6%
B 0.474s 357 3.9%
B 0.505s 128 1.4%
B 0.535s 13 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 0.566 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=1.04e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9300 IDLE
Fri Oct 9 17:51:24 SAST 2026 [elapsed=274 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.8 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Oct 9 17:51 /atlas/obs/03a/61323/03a61323e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Oct 9 17:51:47 SAST 2026 [elapsed=297 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (50 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Oct 9 17:51:47 SAST 2026 [elapsed=297 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61322.66096662|info|galildriver|using focus model: foc=9187+(4.30)*19.2+(-0.40)*60.2=9245.5
61322.66097199|info|galildriver|o 2 IN | cass: 3036329 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54017785 9292 um b=8f M [focus]
61322.66098109|info|galildriver|o 2 IN | cass: 3036331 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54012517 9266 um b=8f M [focus]
61322.66099182|info|galildriver|o 2 IN | cass: 3036333 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54008483 9246 um b=0f [cmd]
bestfocus for o...OK
Fri Oct 9 17:51:50 SAST 2026 [elapsed=300 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Oct 9 17:52:16 SAST 2026 [elapsed=326 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 Oct 9 17:52:17 SAST 2026 [elapsed=327 sec] NOTICES: det_dzdx=-928 is outside range +-250 from -558; det_dzdy=3364 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 Oct 9 17:52:17 SAST 2026 [elapsed=327 sec] Happy observing!
Fri Oct 9 17:52:17 SAST 2026 [elapsed=327 sec] Preflight took 327 seconds to complete.
Fri Oct 9 17:52:17 SAST 2026 [elapsed=327 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 107 1.2% A 0.081s 375 4.1% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.171s 1763 19.3% A 0.202s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4144 45.3% A 0.292s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7412 81.0% A 0.414s 7987 87.3% A 0.444s 8445 92.3% A 0.474s 8783 95.9% A 0.504s 9021 98.5% A 0.535s 9137 99.8% A 0.565s 9154 100.0% B 0.020s 1 0.0% B 0.050s 108 1.2% B 0.081s 371 4.1% B 0.111s 714 7.8% B 0.141s 1186 13.0% B 0.171s 1751 19.1% B 0.201s 2442 26.7% B 0.232s 3240 35.4% B 0.262s 4138 45.2% B 0.292s 5072 55.4% B 0.322s 5958 65.1% B 0.352s 6750 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.443s 8432 92.1% B 0.473s 8777 95.9% B 0.504s 9013 98.5% B 0.534s 9134 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 8767 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.171s 7359 80.4% A 0.202s 6668 72.8% A 0.232s 5867 64.1% A 0.262s 4950 54.1% A 0.292s 4009 43.8% A 0.322s 3139 34.3% A 0.353s 2363 25.8% A 0.383s 1693 18.5% A 0.413s 1131 12.4% A 0.444s 693 7.6% A 0.474s 349 3.8% A 0.504s 125 1.4% A 0.534s 13 0.1% A 0.564s 1 0.0% B 0.020s 9143 99.9% B 0.050s 9014 98.5% B 0.081s 8762 95.7% B 0.111s 8424 92.0% B 0.141s 7955 86.9% B 0.171s 7381 80.6% B 0.201s 6690 73.1% B 0.232s 5892 64.4% B 0.262s 4982 54.4% B 0.292s 4057 44.3% B 0.322s 3164 34.6% B 0.352s 2393 26.1% B 0.383s 1704 18.6% B 0.413s 1146 12.5% B 0.443s 698 7.6% B 0.474s 356 3.9% B 0.504s 132 1.4% B 0.534s 14 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R