STH Recent Preflight: 61313
Executing preflight for 61313 at Tue Sep 29 17:40:04 SAST 2026.
Log can be found in /atlas/obs/03/61313/preflight.dat.
Setting donefile '/atlas/obs/03/61313/preflight_complete.20260929154004.25962' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260929154004.25962.
Tue Sep 29 17:40:04 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Sep 29 17:40:04 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [b361eef2-0ab6-4efc-9a4c-2164f5c8edbd;1800]
Tue Sep 29 17:40:04 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue Sep 29 17:40:06 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Sep 29 17:40:06 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Tue Sep 29 17:40:06 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Tue Sep 29 17:40:06 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1790696403
OK
Tue Sep 29 17:40:06 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Tue Sep 29 17:40:06 SAST 2026 [elapsed=2 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
Tue Sep 29 17:40:07 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
Tue Sep 29 17:40:08 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Tue Sep 29 17:40:08 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Tue Sep 29 15:40:08 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 1000 1024 377 1.042 0.132 0.070
*metbox2.sth.atl .PPS. 1 u 282 1024 377 0.295 0.054 0.030
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 197 1024 377 23.269 -0.060 3.859
-ntp.as3741.net 155.232.19.6 2 u 757 1024 377 42.963 -5.087 6.788
-ntp2.as3741.net 155.232.19.6 2 u 870 1024 377 7.160 0.270 0.034
-196.10.54.57 183.3.52.101 2 u 585 1024 377 7.267 0.382 0.197
+ntp2.nog.net.za 80.72.67.48 3 u 999 1024 377 7.456 0.193 0.765
-139.84.231.68 ( 196.21.187.2 2 u 678 1024 377 25.996 2.662 1.662
-ntp7.inx.net.za 183.3.52.101 2 u 631 1024 377 16.482 0.131 0.104
-tick.sanren.ac. .TC. 1 u 539 1024 377 23.150 0.197 0.063
Tue Sep 29 17:40:10 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (5946GB)
200GB available in /atlas/red...OK (9373GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.6T 5.7T 45% /
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 4.5T 9.0T 34% /
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/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
Tue Sep 29 17:40:10 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
Tue Sep 29 17:40:10 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Tue Sep 29 17:40:11 SAST 2026 [elapsed=7 sec] SERVICES2
Tue Sep 29 17:40:11 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Sep 29 17:40:15 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=1.49e+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
Tue Sep 29 17:43:29 SAST 2026 [elapsed=205 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: 263.00 -29.49, az/alt=324.83 +86.49 idle(e) IDLE
Tue Sep 29 17:44:20 SAST 2026 [elapsed=256 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Sep 29 17:44:39 SAST 2026 [elapsed=275 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Tue Sep 29 17:44:39 SAST 2026 [elapsed=275 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 (-54.8C)
Checking CCD plane: Z0=+1709.00 DZDX=-932.00 DZDY=+2380.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Sep 29 17:44:39 SAST 2026 [elapsed=275 sec] WEATHER
status weather: clear 11.7C 68% 15/23kph@132 DP4.8C/-24C/d IDLE
...OK
Tue Sep 29 17:44:40 SAST 2026 [elapsed=276 sec] MET
status...OK
met: c=N o=Y Ro2d Co7h Wo5d Ho5h To5d Do4d IDLE
Tue Sep 29 17:44:40 SAST 2026 [elapsed=276 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Sep 29 17:44:42 SAST 2026 [elapsed=278 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 291.91 -14.63, az/alt=59.90 +60.05 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 -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 9 0.1%
A 0.051s 115 1.3%
A 0.081s 400 4.4%
A 0.111s 747 8.2%
A 0.141s 1207 13.2%
A 0.172s 1804 19.7%
A 0.202s 2490 27.2%
A 0.232s 3285 35.9%
A 0.262s 4194 45.8%
A 0.292s 5144 56.2%
A 0.323s 6020 65.8%
A 0.353s 6802 74.3%
A 0.383s 7438 81.3%
A 0.413s 8002 87.4%
A 0.443s 8466 92.5%
A 0.474s 8792 96.0%
A 0.504s 9021 98.5%
A 0.534s 9152 100.0%
B 0.020s 1 0.0%
B 0.050s 98 1.1%
B 0.081s 383 4.2%
B 0.111s 713 7.8%
B 0.141s 1179 12.9%
B 0.171s 1758 19.2%
B 0.202s 2438 26.6%
B 0.232s 3231 35.3%
B 0.262s 4167 45.5%
B 0.293s 5101 55.7%
B 0.323s 5992 65.5%
B 0.353s 6773 74.0%
B 0.384s 7436 81.2%
B 0.414s 8009 87.5%
B 0.444s 8456 92.4%
B 0.475s 8800 96.1%
B 0.505s 9029 98.6%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9058 99.0%
A 0.081s 8762 95.7%
A 0.111s 8400 91.8%
A 0.141s 7951 86.9%
A 0.172s 7354 80.3%
A 0.202s 6668 72.8%
A 0.232s 5869 64.1%
A 0.263s 4954 54.1%
A 0.293s 4014 43.8%
A 0.323s 3137 34.3%
A 0.354s 2329 25.4%
A 0.384s 1671 18.3%
A 0.414s 1114 12.2%
A 0.445s 672 7.3%
A 0.475s 337 3.7%
A 0.505s 117 1.3%
A 0.536s 9 0.1%
B 0.020s 9145 99.9%
B 0.051s 9032 98.7%
B 0.081s 8773 95.8%
B 0.111s 8424 92.0%
B 0.142s 7959 86.9%
B 0.172s 7380 80.6%
B 0.202s 6670 72.9%
B 0.233s 5870 64.1%
B 0.263s 4955 54.1%
B 0.293s 4021 43.9%
B 0.324s 3135 34.2%
B 0.354s 2360 25.8%
B 0.384s 1691 18.5%
B 0.415s 1124 12.3%
B 0.445s 685 7.5%
B 0.475s 345 3.8%
B 0.505s 122 1.3%
B 0.536s 11 0.1%
B 0.566s -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 0.534 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.0 percent in 0.566 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 224kB time=00:00:07.16 bitrate= 256.1kbits/s speed= 991x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9175 IDLE
Tue Sep 29 17:45:19 SAST 2026 [elapsed=315 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
134M Sep 29 17:45 /atlas/obs/03a/61313/03a61313e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Sep 29 17:45:41 SAST 2026 [elapsed=337 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (43 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Sep 29 17:45:42 SAST 2026 [elapsed=338 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61312.65673954|info|galildriver|using focus model: foc=9187+(4.30)*15.4+(-0.40)*60.2=9229.1
61312.65674489|info|galildriver|o 2 IN | cass: 3038968 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53994404 9175 um b=8f M [focus]
61312.65675397|info|galildriver|o 2 IN | cass: 3038968 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53994941 9178 um b=8f M [focus]
61312.65676561|info|galildriver|o 2 IN | cass: 3038966 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54001662 9211 um b=8f M [focus]
61312.65677644|info|galildriver|o 2 IN | cass: 3038972 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005689 9232 um b=8f M [focus]
61312.65677983|info|galildriver|o 2 IN | cass: 3038968 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005692 9232 um b=8f M [focus]
61312.65678799|info|galildriver|o 2 IN | cass: 3038972 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005690 9232 um b=0f [cmd]
bestfocus for o...OK
Tue Sep 29 17:45:47 SAST 2026 [elapsed=343 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Sep 29 17:46:14 SAST 2026 [elapsed=370 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
Tue Sep 29 17:46:16 SAST 2026 [elapsed=372 sec] NOTICES: det_dzdx=-932 is outside range +-250 from -558; det_dzdy=2380 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Tue Sep 29 17:46:16 SAST 2026 [elapsed=372 sec] Happy observing!
Tue Sep 29 17:46:16 SAST 2026 [elapsed=372 sec] Preflight took 372 seconds to complete.
Tue Sep 29 17:46:16 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 3 0.0% A 0.050s 107 1.2% A 0.081s 374 4.1% A 0.111s 723 7.9% A 0.141s 1180 12.9% A 0.171s 1762 19.2% A 0.202s 2441 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.292s 5074 55.4% A 0.322s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7414 81.0% A 0.413s 7972 87.1% A 0.443s 8432 92.1% A 0.474s 8783 95.9% A 0.504s 9021 98.5% A 0.534s 9137 99.8% A 0.564s 9154 100.0% B 0.020s 1 0.0% B 0.050s 120 1.3% B 0.081s 389 4.2% B 0.111s 741 8.1% B 0.141s 1219 13.3% B 0.171s 1794 19.6% B 0.202s 2492 27.2% B 0.232s 3296 36.0% B 0.262s 4196 45.8% B 0.292s 5132 56.1% B 0.322s 6017 65.7% B 0.353s 6795 74.2% B 0.383s 7439 81.3% B 0.413s 8000 87.4% B 0.444s 8469 92.5% B 0.474s 8804 96.2% B 0.504s 9029 98.6% B 0.535s 9140 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9043 98.8% A 0.081s 8768 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.171s 7361 80.4% A 0.201s 6667 72.8% A 0.232s 5866 64.1% A 0.262s 4982 54.4% A 0.292s 4038 44.1% A 0.322s 3168 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1146 12.5% A 0.443s 692 7.6% A 0.473s 358 3.9% A 0.504s 125 1.4% A 0.534s 13 0.1% A 0.564s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9023 98.6% B 0.081s 8772 95.8% B 0.111s 8424 92.0% B 0.141s 7953 86.9% B 0.172s 7381 80.6% B 0.202s 6691 73.1% B 0.232s 5893 64.4% B 0.263s 4980 54.4% B 0.293s 4055 44.3% B 0.323s 3166 34.6% B 0.353s 2395 26.2% B 0.384s 1702 18.6% B 0.414s 1144 12.5% B 0.444s 698 7.6% B 0.474s 356 3.9% B 0.505s 132 1.4% B 0.535s 13 0.1% B 0.565s -1 0.0% A 0 0.0mm 15 N F R | B -1 -0.0mm 15 N F R