STH Recent Preflight: 61319
Executing preflight for 61319 at Mon Oct 5 17:44:03 SAST 2026.
Log can be found in /atlas/obs/03/61319/preflight.dat.
Setting donefile '/atlas/obs/03/61319/preflight_complete.20261005154403.1280' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261005154403.1280.
Mon Oct 5 17:44:03 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Oct 5 17:44:03 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [a18bc888-3c25-4b9b-b137-e2c199d84d42;1800]
Mon Oct 5 17:44:03 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Oct 5 17:44:04 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Oct 5 17:44:04 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Mon Oct 5 17:44:04 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Oct 5 17:44:04 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1791215042
OK
Mon Oct 5 17:44:04 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Oct 5 17:44:04 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
Mon Oct 5 17:44:06 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
Mon Oct 5 17:44:06 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Oct 5 17:44:06 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Mon Oct 5 15:44:06 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 845 1024 277 1.116 -0.113 0.056
*metbox2.sth.atl .PPS. 1 u 115 1024 377 0.296 -0.065 0.027
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 321 1024 377 23.409 0.585 0.512
-ntp.as3741.net 155.232.19.6 2 u 581 1024 377 23.622 -0.534 7.364
-ntp2.as3741.net 155.232.19.6 2 u 897 1024 377 7.341 -0.032 4.971
-ntp2.inx.net.za 183.3.52.101 2 u 958 1024 377 7.398 -0.062 0.542
+ntp2.nog.net.za 80.72.67.48 3 u 184 1024 377 7.625 0.008 1.117
-139.84.231.68 ( 196.21.187.2 2 u 841 1024 377 23.361 0.069 0.365
-ntp7.inx.net.za 210.182.58.253 2 u 691 1024 377 16.627 -0.097 0.172
-tick.sanren.ac. .TC. 1 u 960 1024 377 23.169 0.045 0.027
Mon Oct 5 17:44:09 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6266GB)
200GB available in /atlas/red...OK (9226GB)
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 1.8T 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
Mon Oct 5 17:44:09 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
Mon Oct 5 17:44:09 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Mon Oct 5 17:44:09 SAST 2026 [elapsed=6 sec] SERVICES2
Mon Oct 5 17:44:09 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Oct 5 17:44:14 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=1.45e+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
Mon Oct 5 17:47:29 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: 269.91 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Mon Oct 5 17:48:20 SAST 2026 [elapsed=257 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Oct 5 17:48:39 SAST 2026 [elapsed=276 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Mon Oct 5 17:48:39 SAST 2026 [elapsed=276 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (2 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.3C)
Checking CCD plane: Z0=+1743.00 DZDX=-927.00 DZDY=+3148.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Oct 5 17:48:39 SAST 2026 [elapsed=276 sec] WEATHER
status weather: C 18.3C 49% 27/41kph@39 DP10.2C/-21C/d IDLE
...OK
Mon Oct 5 17:48:40 SAST 2026 [elapsed=277 sec] MET
status...OK
met: c=N o=N Ro1d Cx0 Wo11d Ho9h To11d Do2d wait C IDLE
Mon Oct 5 17:48:40 SAST 2026 [elapsed=277 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Oct 5 17:48:42 SAST 2026 [elapsed=279 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 298.82 -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 7 0.1%
A 0.051s 107 1.2%
A 0.081s 393 4.3%
A 0.111s 735 8.0%
A 0.142s 1189 13.0%
A 0.172s 1785 19.5%
A 0.202s 2465 26.9%
A 0.233s 3258 35.6%
A 0.263s 4165 45.5%
A 0.294s 5116 55.9%
A 0.324s 6017 65.7%
A 0.354s 6803 74.3%
A 0.385s 7458 81.5%
A 0.415s 8015 87.6%
A 0.445s 8478 92.6%
A 0.476s 8802 96.2%
A 0.506s 9026 98.6%
A 0.536s 9153 100.0%
B 0.020s 0 0.0%
B 0.051s 99 1.1%
B 0.081s 395 4.3%
B 0.111s 739 8.1%
B 0.141s 1216 13.3%
B 0.172s 1799 19.7%
B 0.202s 2490 27.2%
B 0.233s 3285 35.9%
B 0.263s 4198 45.9%
B 0.293s 5129 56.0%
B 0.324s 6021 65.8%
B 0.354s 6796 74.2%
B 0.385s 7475 81.7%
B 0.415s 8043 87.9%
B 0.446s 8478 92.6%
B 0.476s 8815 96.3%
B 0.506s 9039 98.7%
B 0.537s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9063 99.0%
A 0.081s 8771 95.8%
A 0.111s 8412 91.9%
A 0.142s 7969 87.1%
A 0.172s 7353 80.3%
A 0.203s 6668 72.8%
A 0.233s 5869 64.1%
A 0.264s 4952 54.1%
A 0.294s 4015 43.9%
A 0.324s 3138 34.3%
A 0.355s 2352 25.7%
A 0.385s 1690 18.5%
A 0.415s 1131 12.4%
A 0.446s 686 7.5%
A 0.476s 336 3.7%
A 0.506s 119 1.3%
A 0.537s 10 0.1%
A 0.567s -6 0.0%
B 0.020s 9144 99.9%
B 0.051s 9024 98.6%
B 0.081s 8762 95.7%
B 0.111s 8409 91.9%
B 0.142s 7940 86.7%
B 0.172s 7358 80.4%
B 0.203s 6671 72.9%
B 0.233s 5870 64.1%
B 0.263s 4924 53.8%
B 0.294s 3993 43.6%
B 0.324s 3109 34.0%
B 0.354s 2337 25.5%
B 0.385s 1672 18.3%
B 0.415s 1109 12.1%
B 0.446s 672 7.3%
B 0.476s 337 3.7%
B 0.506s 118 1.3%
B 0.537s 9 0.1%
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 0.537 seconds.
Shutter A closed to 0.0 percent in 0.567 seconds.
Shutter B closed to 0.1 percent in 0.537 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.05e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9199 IDLE
Mon Oct 5 17:49:19 SAST 2026 [elapsed=316 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:
124M Oct 5 17:49 /atlas/obs/03a/61319/03a61319e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Oct 5 17:49:42 SAST 2026 [elapsed=339 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (14 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Oct 5 17:49:42 SAST 2026 [elapsed=339 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61318.65951961|info|galildriver|using focus model: foc=9187+(4.30)*18.3+(-0.40)*60.2=9241.6
61318.65952497|info|galildriver|o 2 IN | cass: 3036937 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 53999369 9200 um b=8f M [focus]
61318.65953325|info|galildriver|o 2 IN | cass: 3036939 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 53999374 9200 um b=8f M [focus]
61318.65953664|info|galildriver|o 2 IN | cass: 3036941 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 53999375 9200 um b=8f M [focus]
61318.65954481|info|galildriver|o 2 IN | cass: 3036941 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 53999375 9200 um b=0f [cmd]
bestfocus for o...OK
Mon Oct 5 17:49:44 SAST 2026 [elapsed=341 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Oct 5 17:50:10 SAST 2026 [elapsed=367 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
Mon Oct 5 17:50:12 SAST 2026 [elapsed=369 sec] NOTICES: det_dzdx=-927 is outside range +-250 from -558; det_dzdy=3148 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Mon Oct 5 17:50:12 SAST 2026 [elapsed=369 sec] Happy observing!
Mon Oct 5 17:50:12 SAST 2026 [elapsed=369 sec] Preflight took 369 seconds to complete.
Mon Oct 5 17:50:12 SAST 2026 [elapsed=369 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 0.050s 119 1.3% A 0.081s 385 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.293s 5133 56.1% A 0.323s 5998 65.5% A 0.353s 6775 74.0% A 0.383s 7432 81.2% A 0.414s 8005 87.4% A 0.444s 8458 92.4% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.535s 9138 99.8% A 0.565s 9154 100.0% B 0.020s 1 0.0% B 0.050s 120 1.3% B 0.081s 388 4.2% B 0.111s 726 7.9% B 0.141s 1202 13.1% B 0.171s 1771 19.3% B 0.202s 2464 26.9% B 0.232s 3268 35.7% B 0.262s 4166 45.5% B 0.292s 5102 55.7% B 0.323s 5986 65.4% B 0.353s 6772 74.0% B 0.383s 7441 81.3% B 0.413s 8002 87.4% B 0.444s 8457 92.4% B 0.474s 8796 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.565s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9049 98.9% A 0.081s 8778 95.9% A 0.111s 8422 92.0% A 0.141s 7958 86.9% A 0.172s 7381 80.6% A 0.202s 6692 73.1% A 0.232s 5895 64.4% A 0.262s 4981 54.4% A 0.293s 4038 44.1% A 0.323s 3168 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.414s 1147 12.5% A 0.444s 692 7.6% A 0.474s 358 3.9% A 0.504s 125 1.4% A 0.535s 14 0.2% A 0.565s 2 0.0% B 0.020s 9142 99.9% B 0.050s 9019 98.5% B 0.081s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.171s 7378 80.6% B 0.202s 6688 73.1% B 0.232s 5892 64.4% B 0.262s 4981 54.4% B 0.292s 4055 44.3% B 0.323s 3160 34.5% B 0.353s 2395 26.2% B 0.383s 1704 18.6% B 0.413s 1145 12.5% B 0.444s 699 7.6% B 0.474s 355 3.9% B 0.504s 131 1.4% B 0.535s 14 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R