STH Recent Preflight: 61347
Executing preflight for 61347 at Mon Nov 2 18:06:00 SAST 2026.
Log can be found in /atlas/obs/03/61347/preflight.dat.
Setting donefile '/atlas/obs/03/61347/preflight_complete.20261102160600.23400' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261102160600.23400.
Mon Nov 2 18:06:00 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Nov 2 18:06:00 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [8e3f4e53-dd96-4562-beac-1276f6f2f931;1800]
Mon Nov 2 18:06:00 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Nov 2 18:06:01 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Nov 2 18:06:01 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Mon Nov 2 18:06:01 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Nov 2 18:06:01 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1793635552
OK
Mon Nov 2 18:06:01 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Nov 2 18:06:01 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 Nov 2 18:06:02 SAST 2026 [elapsed=2 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 Nov 2 18:06:03 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Nov 2 18:06:03 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Mon Nov 2 16:06:03 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 1425 1024 16 1.008 -0.014 0.087
*metbox2.sth.atl .PPS. 1 u 579 1024 377 0.308 0.025 0.090
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 816 1024 377 23.331 -1.224 0.716
+ntp.as3741.net 210.182.58.253 2 u 247 1024 377 22.864 0.045 5.274
-ntp2.as3741.net 146.64.58.41 2 u 203 1024 377 7.324 0.288 0.246
+ntp2.inx.net.za 210.182.58.253 2 u 1008 1024 377 7.305 0.056 0.680
+ntp2.nog.net.za 80.72.67.48 3 u 562 1024 377 7.531 0.073 0.070
-139.84.231.68 196.21.187.2 2 u 215 1024 377 22.840 0.314 0.257
-ntp7.inx.net.za 210.182.58.253 2 u 515 1024 377 16.475 0.331 0.123
+tick.sanren.ac. .TC. 1 u 770 1024 377 23.220 0.088 0.155
Mon Nov 2 18:06:24 SAST 2026 [elapsed=24 sec] DISKS
200GB available in /atlas/obs...OK (6492GB)
200GB available in /atlas/red...OK (9353GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.1T 6.2T 40% /
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/17292
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
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 739G 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 Nov 2 18:06:24 SAST 2026 [elapsed=24 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 Nov 2 18:06:24 SAST 2026 [elapsed=24 sec] Disabling mount tracking.
Mon Nov 2 18:06:24 SAST 2026 [elapsed=24 sec] SERVICES2
Mon Nov 2 18:06:24 SAST 2026 [elapsed=24 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Nov 2 18:06:28 SAST 2026 [elapsed=28 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= 922kB time=00:00:29.50 bitrate= 256.0kbits/s speed=1.39e+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 Nov 2 18:09:47 SAST 2026 [elapsed=227 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: 303.09 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Mon Nov 2 18:10:37 SAST 2026 [elapsed=277 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Nov 2 18:10:57 SAST 2026 [elapsed=297 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Mon Nov 2 18:10:57 SAST 2026 [elapsed=297 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 (-54.0C)
Checking CCD plane: Z0=+1760.00 DZDX=-933.00 DZDY=+3526.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Nov 2 18:10:57 SAST 2026 [elapsed=297 sec] WEATHER
status weather: clear 18.9C 26% 13/18kph@278 DP18.4C/-51C/d IDLE
...OK
Mon Nov 2 18:10:58 SAST 2026 [elapsed=298 sec] MET
status...OK
met: c=N o=Y Ro27d Co9h Wo10d Ho9h To39d Do2d IDLE
Mon Nov 2 18:10:58 SAST 2026 [elapsed=298 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Nov 2 18:10:58 SAST 2026 [elapsed=298 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 332.01 -14.63, az/alt=59.90 +60.06 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 -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 109 1.2%
A 0.081s 394 4.3%
A 0.111s 733 8.0%
A 0.141s 1208 13.2%
A 0.172s 1805 19.7%
A 0.203s 2490 27.2%
A 0.233s 3287 35.9%
A 0.263s 4194 45.8%
A 0.293s 5145 56.2%
A 0.324s 6019 65.8%
A 0.354s 6801 74.3%
A 0.385s 7459 81.5%
A 0.415s 8018 87.6%
A 0.445s 8478 92.6%
A 0.476s 8809 96.2%
A 0.506s 9033 98.7%
A 0.536s 9155 100.0%
B 0.020s 1 0.0%
B 0.050s 91 1.0%
B 0.081s 374 4.1%
B 0.111s 713 7.8%
B 0.142s 1200 13.1%
B 0.172s 1776 19.4%
B 0.202s 2442 26.7%
B 0.232s 3259 35.6%
B 0.263s 4166 45.5%
B 0.293s 5102 55.7%
B 0.323s 5992 65.5%
B 0.354s 6776 74.0%
B 0.384s 7435 81.2%
B 0.414s 8008 87.5%
B 0.445s 8455 92.4%
B 0.475s 8796 96.1%
B 0.505s 9028 98.6%
B 0.535s 9143 99.9%
B 0.566s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9063 99.0%
A 0.081s 8772 95.8%
A 0.111s 8401 91.8%
A 0.142s 7950 86.8%
A 0.172s 7351 80.3%
A 0.202s 6671 72.9%
A 0.233s 5868 64.1%
A 0.263s 4952 54.1%
A 0.293s 4015 43.9%
A 0.324s 3138 34.3%
A 0.354s 2353 25.7%
A 0.384s 1689 18.5%
A 0.415s 1132 12.4%
A 0.445s 686 7.5%
A 0.475s 345 3.8%
A 0.506s 118 1.3%
A 0.536s 9 0.1%
B 0.020s 9146 99.9%
B 0.051s 9038 98.7%
B 0.081s 8781 95.9%
B 0.111s 8435 92.1%
B 0.142s 7973 87.1%
B 0.172s 7380 80.6%
B 0.202s 6716 73.4%
B 0.233s 5896 64.4%
B 0.263s 4985 54.5%
B 0.293s 4050 44.2%
B 0.324s 3165 34.6%
B 0.354s 2384 26.0%
B 0.385s 1713 18.7%
B 0.415s 1141 12.5%
B 0.445s 685 7.5%
B 0.476s 347 3.8%
B 0.506s 123 1.3%
B 0.537s 10 0.1%
B 0.567s -5 0.0%
A 0 0.0mm 15 N F R | B -4 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.536 seconds.
Shutter B opened to 100.0 percent in 0.566 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.0 percent in 0.567 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed= 962x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9200 IDLE
Mon Nov 2 18:11:36 SAST 2026 [elapsed=336 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:
127M Nov 2 18:11 /atlas/obs/03a/61347/03a61347e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Nov 2 18:11:58 SAST 2026 [elapsed=358 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (1 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Nov 2 18:11:58 SAST 2026 [elapsed=358 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61346.67499012|info|galildriver|using focus model: foc=9187+(4.30)*19.9+(-0.40)*60.2=9248.5
61346.67499548|info|galildriver|o 2 IN | cass: 3034416 15.17 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 53999494 9201 um b=8f M [focus]
61346.67500120|info|galildriver|o 2 IN | cass: 3034425 15.17 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 53999488 9201 um b=8f M [focus]
61346.67500458|info|galildriver|o 2 IN | cass: 3034421 15.17 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 53999495 9201 um b=8f M [focus]
61346.67501275|info|galildriver|o 2 IN | cass: 3034425 15.17 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 53999477 9201 um b=0f [cmd]
bestfocus for o...OK
Mon Nov 2 18:12:01 SAST 2026 [elapsed=361 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Nov 2 18:12:27 SAST 2026 [elapsed=387 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 Nov 2 18:12:28 SAST 2026 [elapsed=388 sec] NOTICES: det_dzdx=-933 is outside range +-250 from -558; det_dzdy=3526 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 Nov 2 18:12:28 SAST 2026 [elapsed=388 sec] Happy observing!
Mon Nov 2 18:12:28 SAST 2026 [elapsed=388 sec] Preflight took 388 seconds to complete.
Mon Nov 2 18:12:28 SAST 2026 [elapsed=388 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 114 1.2% A 0.081s 386 4.2% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.172s 1784 19.5% 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 7413 81.0% A 0.413s 7988 87.3% A 0.444s 8445 92.3% A 0.474s 8783 95.9% A 0.504s 9021 98.5% A 0.534s 9136 99.8% A 0.565s 9154 100.0% B 0.020s 1 0.0% B 0.050s 114 1.2% B 0.081s 371 4.1% B 0.111s 714 7.8% B 0.141s 1185 12.9% B 0.172s 1772 19.4% B 0.202s 2465 26.9% B 0.232s 3242 35.4% B 0.262s 4137 45.2% B 0.293s 5072 55.4% B 0.323s 5986 65.4% B 0.353s 6772 74.0% B 0.383s 7420 81.1% B 0.414s 7984 87.2% B 0.444s 8443 92.2% B 0.474s 8787 96.0% B 0.504s 9017 98.5% B 0.535s 9138 99.8% B 0.565s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9055 98.9% A 0.081s 8778 95.9% A 0.111s 8434 92.1% A 0.141s 7975 87.1% A 0.172s 7400 80.8% A 0.202s 6715 73.4% A 0.232s 5923 64.7% A 0.262s 4981 54.4% A 0.293s 4038 44.1% A 0.323s 3168 34.6% A 0.353s 2410 26.3% A 0.384s 1732 18.9% A 0.414s 1163 12.7% A 0.444s 706 7.7% A 0.474s 367 4.0% A 0.505s 131 1.4% A 0.535s 13 0.1% A 0.565s 1 0.0% B 0.020s 9142 99.9% B 0.051s 9019 98.5% B 0.081s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7953 86.9% B 0.171s 7377 80.6% B 0.202s 6688 73.1% B 0.232s 5891 64.4% B 0.262s 4981 54.4% B 0.292s 4054 44.3% B 0.323s 3162 34.5% B 0.353s 2391 26.1% B 0.383s 1706 18.6% B 0.413s 1146 12.5% B 0.444s 699 7.6% B 0.474s 365 4.0% B 0.504s 137 1.5% B 0.534s 16 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R