STH Recent Preflight: 61330
Executing preflight for 61330 at Fri Oct 16 17:52:01 SAST 2026.
Log can be found in /atlas/obs/03/61330/preflight.dat.
Setting donefile '/atlas/obs/03/61330/preflight_complete.20261016155201.7230' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261016155201.7230.
Fri Oct 16 17:52:01 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Oct 16 17:52:01 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [38fadaff-8429-455b-8c45-e71d02b19977;1800]
Fri Oct 16 17:52:02 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Oct 16 17:52:03 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Oct 16 17:52:03 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Fri Oct 16 17:52:03 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Fri Oct 16 17:52:03 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1792165923
OK
Fri Oct 16 17:52:03 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Fri Oct 16 17:52:03 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
Fri Oct 16 17:52:11 SAST 2026 [elapsed=10 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 16 17:52:11 SAST 2026 [elapsed=10 sec] QUEUE
0 observations queued.
Fri Oct 16 17:52:11 SAST 2026 [elapsed=10 sec] CLOCKS
admin: Fri Oct 16 15:52:11 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 51 1024 377 1.026 0.092 0.260
+metbox2.sth.atl .PPS. 1 u 951 1024 377 0.279 0.055 0.229
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 96 1024 377 23.249 1.014 1.773
-ntp.as3741.net 146.64.58.41 2 u 929 1024 377 22.861 -0.121 0.266
+ntp2.as3741.net 155.232.19.6 2 u 499 1024 377 7.235 0.184 0.298
-196.10.54.57 210.182.58.253 2 u 303 1024 377 7.278 -0.103 0.100
+ntp2.nog.net.za 80.72.67.48 3 u 518 1024 377 7.585 0.077 0.181
-139.84.231.68 ( 196.21.187.2 2 u 446 1024 377 25.048 0.776 1.276
-ntp7.inx.net.za 102.176.229.251 2 u 94 1024 377 27.146 -0.686 0.186
+tick.sanren.ac. .TC. 1 u 167 1024 377 23.258 0.104 0.158
Fri Oct 16 17:52:15 SAST 2026 [elapsed=14 sec] DISKS
200GB available in /atlas/obs...OK (6079GB)
200GB available in /atlas/red...OK (9497GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.5T 5.8T 44% /
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 4.3T 9.1T 33% /
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 14% /
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 16 17:52:15 SAST 2026 [elapsed=14 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 16 17:52:15 SAST 2026 [elapsed=14 sec] Disabling mount tracking.
Fri Oct 16 17:52:15 SAST 2026 [elapsed=14 sec] SERVICES2
Fri Oct 16 17:52:15 SAST 2026 [elapsed=14 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Oct 16 17:52:20 SAST 2026 [elapsed=19 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=1.44e+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 16 17:54:49 SAST 2026 [elapsed=168 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: 282.59 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Fri Oct 16 17:55:40 SAST 2026 [elapsed=219 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Oct 16 17:55:59 SAST 2026 [elapsed=238 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.8 IDLE
Fri Oct 16 17:55:59 SAST 2026 [elapsed=238 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (7 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.8C)
Checking CCD plane: Z0=+1776.00 DZDX=-925.00 DZDY=+3952.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Oct 16 17:55:59 SAST 2026 [elapsed=238 sec] WEATHER
status weather: W 23.7C 19% 30/46kph@315 DP23.7C/-41C/d IDLE
...OK
Fri Oct 16 17:56:00 SAST 2026 [elapsed=239 sec] MET
status...OK
met: c=N o=Y Ro10d Co3d Wo1d Ho3d To22d Do8d IDLE
Fri Oct 16 17:56:01 SAST 2026 [elapsed=240 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Oct 16 17:56:01 SAST 2026 [elapsed=240 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 311.50 -14.64, 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 -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 6 0.1%
A 0.051s 104 1.1%
A 0.081s 381 4.2%
A 0.111s 721 7.9%
A 0.141s 1173 12.8%
A 0.172s 1783 19.5%
A 0.202s 2466 26.9%
A 0.232s 3232 35.3%
A 0.262s 4135 45.2%
A 0.293s 5085 55.5%
A 0.323s 5964 65.2%
A 0.353s 6757 73.8%
A 0.384s 7419 81.0%
A 0.414s 7983 87.2%
A 0.444s 8454 92.4%
A 0.474s 8781 95.9%
A 0.504s 9014 98.5%
A 0.534s 9148 99.9%
B 0.020s 1 0.0%
B 0.050s 97 1.1%
B 0.081s 385 4.2%
B 0.111s 725 7.9%
B 0.141s 1198 13.1%
B 0.171s 1777 19.4%
B 0.201s 2467 26.9%
B 0.232s 3259 35.6%
B 0.262s 4166 45.5%
B 0.292s 5101 55.7%
B 0.323s 5992 65.5%
B 0.353s 6777 74.0%
B 0.383s 7434 81.2%
B 0.413s 8009 87.5%
B 0.444s 8455 92.4%
B 0.474s 8795 96.1%
B 0.504s 9027 98.6%
B 0.534s 9142 99.9%
B 0.565s 9158 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9064 99.0%
A 0.081s 8771 95.8%
A 0.111s 8414 91.9%
A 0.141s 7968 87.0%
A 0.171s 7371 80.5%
A 0.202s 6692 73.1%
A 0.232s 5898 64.4%
A 0.262s 4982 54.4%
A 0.292s 4042 44.2%
A 0.323s 3167 34.6%
A 0.353s 2377 26.0%
A 0.383s 1710 18.7%
A 0.414s 1148 12.5%
A 0.444s 697 7.6%
A 0.474s 356 3.9%
A 0.504s 130 1.4%
A 0.535s 13 0.1%
A 0.565s -4 0.0%
B 0.020s 9144 99.9%
B 0.051s 9024 98.6%
B 0.081s 8761 95.7%
B 0.111s 8410 91.9%
B 0.142s 7939 86.7%
B 0.172s 7359 80.4%
B 0.202s 6668 72.8%
B 0.232s 5869 64.1%
B 0.263s 4954 54.1%
B 0.293s 4021 43.9%
B 0.323s 3137 34.3%
B 0.353s 2359 25.8%
B 0.384s 1693 18.5%
B 0.414s 1126 12.3%
B 0.444s 697 7.6%
B 0.474s 348 3.8%
B 0.505s 123 1.3%
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 99.9 percent in 0.534 seconds.
Shutter B opened to 100.0 percent in 0.565 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= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.08e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9320 IDLE
Fri Oct 16 17:56:37 SAST 2026 [elapsed=276 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 16 17:56 /atlas/obs/03a/61330/03a61330e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Oct 16 17:57:00 SAST 2026 [elapsed=299 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (3 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Oct 16 17:57:00 SAST 2026 [elapsed=299 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61329.66458891|info|galildriver|using focus model: foc=9187+(4.30)*22.3+(-0.40)*60.2=9258.8
61329.66459427|info|galildriver|o 2 IN | cass: 3033877 15.17 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54023516 9321 um b=8f M [focus]
61329.66459999|info|galildriver|o 2 IN | cass: 3033877 15.17 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54023517 9321 um b=8f M [focus]
61329.66460337|info|galildriver|o 2 IN | cass: 3033875 15.17 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54023513 9321 um b=8f M [focus]
61329.66461154|info|galildriver|o 2 IN | cass: 3033876 15.17 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54023511 9321 um b=0f [cmd]
bestfocus for o...OK
Fri Oct 16 17:57:03 SAST 2026 [elapsed=302 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Oct 16 17:57:29 SAST 2026 [elapsed=328 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 16 17:57:30 SAST 2026 [elapsed=329 sec] NOTICES: det_dzdx=-925 is outside range +-250 from -558; det_dzdy=3952 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 16 17:57:30 SAST 2026 [elapsed=329 sec] Happy observing!
Fri Oct 16 17:57:30 SAST 2026 [elapsed=329 sec] Preflight took 329 seconds to complete.
Fri Oct 16 17:57:30 SAST 2026 [elapsed=329 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 395 4.3% A 0.111s 749 8.2% A 0.141s 1214 13.3% A 0.171s 1802 19.7% A 0.202s 2490 27.2% A 0.232s 3294 36.0% A 0.262s 4204 45.9% A 0.292s 5133 56.1% A 0.322s 6024 65.8% A 0.353s 6798 74.3% A 0.383s 7453 81.4% A 0.413s 8021 87.6% A 0.443s 8472 92.5% A 0.474s 8794 96.1% A 0.504s 9027 98.6% A 0.534s 9140 99.8% A 0.564s 9155 100.0% B 0.020s -244 -2.7% B 0.050s -123 -1.3% B 0.081s 134 1.5% B 0.111s 488 5.3% B 0.141s 970 10.6% B 0.172s 1544 16.9% B 0.202s 2236 24.4% B 0.232s 3048 33.3% B 0.262s 3951 43.2% B 0.293s 4883 53.3% B 0.323s 5786 63.2% B 0.353s 6606 72.2% B 0.383s 7296 79.7% B 0.414s 7884 86.1% B 0.444s 8363 91.4% B 0.474s 8716 95.2% B 0.504s 8975 98.0% B 0.534s 9118 99.6% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9051 98.9% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 7381 80.6% A 0.202s 6691 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.292s 4038 44.1% A 0.323s 3167 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1145 12.5% A 0.444s 692 7.6% A 0.474s 358 3.9% A 0.504s 124 1.4% A 0.535s 14 0.2% A 0.565s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9021 98.5% B 0.081s 8765 95.8% B 0.111s 8410 91.9% B 0.141s 7937 86.7% B 0.172s 7360 80.4% B 0.202s 6690 73.1% B 0.232s 5894 64.4% B 0.262s 4984 54.4% B 0.293s 4058 44.3% B 0.323s 3165 34.6% B 0.353s 2394 26.2% B 0.383s 1702 18.6% B 0.413s 1146 12.5% B 0.444s 699 7.6% B 0.474s 357 3.9% B 0.504s 133 1.5% B 0.535s 14 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R