STH Recent Preflight: 61349
Executing preflight for 61349 at Wed Nov 4 18:07:35 SAST 2026.
Log can be found in /atlas/obs/03/61349/preflight.dat.
Setting donefile '/atlas/obs/03/61349/preflight_complete.20261104160735.23400' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261104160735.23400.
Wed Nov 4 18:07:35 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Nov 4 18:07:35 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [4fa8e6bd-855c-457a-8b08-9d8f7c19c0c5;1800]
Wed Nov 4 18:07:35 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Wed Nov 4 18:07:36 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Nov 4 18:07:36 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Wed Nov 4 18:07:36 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Nov 4 18:07:36 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1793808455
OK
Wed Nov 4 18:07:36 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Nov 4 18:07:36 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 Nov 4 18:07:38 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
Wed Nov 4 18:07:38 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Wed Nov 4 18:07:38 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Wed Nov 4 16:07:38 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 294 512 303 1.045 -0.003 0.236
*metbox2.sth.atl .PPS. 1 u 509 512 377 0.242 -0.009 0.166
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 229.179.94.34 2 u 281 512 377 23.292 0.387 0.534
+ntp.as3741.net 146.64.58.41 2 u 506 512 377 22.853 0.021 1.491
+ntp2.as3741.net 146.64.58.41 2 u 6 512 377 7.291 0.191 0.212
+ntp2.inx.net.za 183.3.52.101 2 u 457 512 377 7.223 0.001 0.152
+ntp2.nog.net.za 80.72.67.48 3 u 296 512 377 7.420 0.047 0.155
-139.84.231.68 196.21.187.2 2 u 221 512 377 23.012 0.107 1.675
+ntp7.inx.net.za 102.176.229.251 2 u 421 512 377 16.558 -0.039 0.065
+tick.sanren.ac. .TC. 1 u 12 512 377 23.310 0.000 0.098
Wed Nov 4 18:07:57 SAST 2026 [elapsed=22 sec] DISKS
200GB available in /atlas/obs...OK (6461GB)
200GB available in /atlas/red...OK (9061GB)
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 4.8T 8.7T 36% /
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 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
Wed Nov 4 18:07:57 SAST 2026 [elapsed=22 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 Nov 4 18:07:57 SAST 2026 [elapsed=22 sec] Disabling mount tracking.
Wed Nov 4 18:07:57 SAST 2026 [elapsed=22 sec] SERVICES2
Wed Nov 4 18:07:57 SAST 2026 [elapsed=22 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Nov 4 18:08:01 SAST 2026 [elapsed=26 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= 912kB time=00:00:29.18 bitrate= 256.0kbits/s speed=1.51e+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 Nov 4 18:10:31 SAST 2026 [elapsed=176 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: 305.25 -29.49, az/alt=324.82 +86.49 idle(e) IDLE
Wed Nov 4 18:11:22 SAST 2026 [elapsed=227 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Nov 4 18:11:41 SAST 2026 [elapsed=246 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Wed Nov 4 18:11:41 SAST 2026 [elapsed=246 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (0 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.5C)
Checking CCD plane: Z0=+1786.00 DZDX=-934.00 DZDY=+4143.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Nov 4 18:11:41 SAST 2026 [elapsed=246 sec] WEATHER
status weather: C 25.3C 25% 15/22kph@306 DP19.6C/-59C/d IDLE
...OK
Wed Nov 4 18:11:41 SAST 2026 [elapsed=246 sec] MET
status...OK
met: c=N o=Y Ro29d Co1d Wo12d Ho1d To41d Do4d IDLE
Wed Nov 4 18:11:41 SAST 2026 [elapsed=246 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Nov 4 18:11:43 SAST 2026 [elapsed=248 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 334.16 -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 7 0.1%
A 0.050s 101 1.1%
A 0.081s 385 4.2%
A 0.111s 722 7.9%
A 0.141s 1172 12.8%
A 0.171s 1767 19.3%
A 0.202s 2441 26.7%
A 0.232s 3232 35.3%
A 0.262s 4136 45.2%
A 0.293s 5086 55.6%
A 0.323s 5964 65.2%
A 0.353s 6756 73.8%
A 0.383s 7419 81.0%
A 0.414s 7983 87.2%
A 0.444s 8452 92.3%
A 0.474s 8782 95.9%
A 0.505s 9014 98.5%
A 0.535s 9147 99.9%
B 0.020s 2 0.0%
B 0.050s 104 1.1%
B 0.081s 398 4.3%
B 0.111s 740 8.1%
B 0.141s 1217 13.3%
B 0.172s 1799 19.7%
B 0.202s 2491 27.2%
B 0.232s 3286 35.9%
B 0.263s 4198 45.9%
B 0.293s 5132 56.1%
B 0.323s 6022 65.8%
B 0.354s 6796 74.2%
B 0.384s 7455 81.4%
B 0.414s 8025 87.7%
B 0.444s 8465 92.5%
B 0.475s 8804 96.2%
B 0.505s 9032 98.7%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9062 99.0%
A 0.081s 8771 95.8%
A 0.111s 8413 91.9%
A 0.141s 7968 87.0%
A 0.172s 7373 80.5%
A 0.202s 6691 73.1%
A 0.232s 5895 64.4%
A 0.263s 4982 54.4%
A 0.293s 4013 43.8%
A 0.323s 3138 34.3%
A 0.353s 2377 26.0%
A 0.384s 1710 18.7%
A 0.414s 1149 12.6%
A 0.444s 686 7.5%
A 0.474s 346 3.8%
A 0.505s 130 1.4%
A 0.535s 14 0.2%
A 0.565s -4 0.0%
B 0.020s 9146 99.9%
B 0.051s 9037 98.7%
B 0.081s 8779 95.9%
B 0.111s 8436 92.2%
B 0.142s 7971 87.1%
B 0.172s 7399 80.8%
B 0.202s 6693 73.1%
B 0.232s 5921 64.7%
B 0.263s 5012 54.8%
B 0.293s 4080 44.6%
B 0.323s 3195 34.9%
B 0.353s 2406 26.3%
B 0.384s 1734 18.9%
B 0.414s 1158 12.7%
B 0.444s 711 7.8%
B 0.474s 366 4.0%
B 0.505s 135 1.5%
B 0.535s 16 0.2%
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 99.9 percent in 0.535 seconds.
Shutter B opened to 99.9 percent in 0.535 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=1.09e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9316 IDLE
Wed Nov 4 18:12:21 SAST 2026 [elapsed=286 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
124M Nov 4 18:12 /atlas/obs/03a/61349/03a61349e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Nov 4 18:12:44 SAST 2026 [elapsed=309 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (46 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Nov 4 18:12:44 SAST 2026 [elapsed=309 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61348.67551418|info|galildriver|using focus model: foc=9187+(4.30)*23.5+(-0.40)*60.2=9264.0
61348.67551954|info|galildriver|o 2 IN | cass: 3031619 15.16 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54022456 9315 um b=8f M [focus]
61348.67552862|info|galildriver|o 2 IN | cass: 3031619 15.16 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54017184 9289 um b=8f M [focus]
61348.67554202|info|galildriver|o 2 IN | cass: 3031619 15.16 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54011738 9262 um b=8f M [focus]
61348.67555216|info|galildriver|o 2 IN | cass: 3031621 15.16 mm b=23 move=NO | arm: 409744 477.01 mm b=03 move=OK | foc: 54011744 9262 um b=0f [cmd]
bestfocus for o...OK
Wed Nov 4 18:12:48 SAST 2026 [elapsed=313 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Nov 4 18:13:14 SAST 2026 [elapsed=339 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 Nov 4 18:13:16 SAST 2026 [elapsed=341 sec] NOTICES: det_dzdx=-934 is outside range +-250 from -558; det_dzdy=4143 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 Nov 4 18:13:16 SAST 2026 [elapsed=341 sec] Happy observing!
Wed Nov 4 18:13:16 SAST 2026 [elapsed=341 sec] Preflight took 341 seconds to complete.
Wed Nov 4 18:13:16 SAST 2026 [elapsed=341 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 0.051s 121 1.3% A 0.081s 394 4.3% A 0.111s 750 8.2% A 0.141s 1214 13.3% A 0.172s 1803 19.7% A 0.202s 2489 27.2% A 0.232s 3295 36.0% A 0.263s 4205 45.9% A 0.293s 5132 56.1% A 0.323s 6025 65.8% A 0.353s 6797 74.3% A 0.383s 7453 81.4% A 0.414s 8021 87.6% A 0.444s 8471 92.5% A 0.474s 8803 96.2% A 0.504s 9032 98.7% A 0.535s 9141 99.9% A 0.565s 9154 100.0% B 0.020s 1 0.0% B 0.050s 105 1.1% B 0.081s 368 4.0% B 0.111s 715 7.8% B 0.141s 1185 12.9% B 0.171s 1752 19.1% B 0.202s 2443 26.7% B 0.232s 3241 35.4% B 0.262s 4136 45.2% B 0.292s 5075 55.4% B 0.323s 5960 65.1% B 0.353s 6747 73.7% B 0.383s 7420 81.1% B 0.413s 7984 87.2% B 0.444s 8443 92.2% B 0.474s 8787 96.0% B 0.504s 9018 98.5% B 0.534s 9137 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9042 98.8% A 0.081s 8768 95.8% A 0.111s 8409 91.9% A 0.141s 7941 86.7% A 0.171s 7360 80.4% A 0.202s 6668 72.8% A 0.232s 5867 64.1% A 0.262s 4951 54.1% A 0.293s 4008 43.8% A 0.323s 3139 34.3% A 0.353s 2365 25.8% A 0.383s 1691 18.5% A 0.414s 1128 12.3% A 0.444s 680 7.4% A 0.474s 349 3.8% A 0.504s 119 1.3% A 0.534s 12 0.1% A 0.564s 2 0.0% B 0.020s 9140 99.8% B 0.050s 9020 98.5% B 0.080s 8761 95.7% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.171s 7377 80.6% B 0.202s 6688 73.1% B 0.232s 5893 64.4% B 0.262s 4981 54.4% B 0.292s 4053 44.3% B 0.323s 3161 34.5% B 0.353s 2393 26.1% B 0.383s 1703 18.6% B 0.413s 1146 12.5% B 0.444s 700 7.6% B 0.474s 355 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