STH Recent Preflight: 61320
Executing preflight for 61320 at Tue Oct 6 17:44:44 SAST 2026.
Log can be found in /atlas/obs/03/61320/preflight.dat.
Setting donefile '/atlas/obs/03/61320/preflight_complete.20261006154444.1280' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261006154444.1280.
Tue Oct 6 17:44:44 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Oct 6 17:44:44 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [2cde137b-eee0-40a9-8377-c948ebff0d40;1800]
Tue Oct 6 17:44:44 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue Oct 6 17:44:45 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Oct 6 17:44:45 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Tue Oct 6 17:44:45 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Oct 6 17:44:45 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1791301478
OK
Tue Oct 6 17:44:45 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Oct 6 17:44:45 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
Tue Oct 6 17:44:47 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 Oct 6 17:44:47 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Tue Oct 6 17:44:47 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Tue Oct 6 15:44:47 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 898 1024 377 1.043 -0.065 0.552
+metbox2.sth.atl .PPS. 1 u 31 1024 377 0.320 -0.081 0.012
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 1080 1024 377 23.262 -0.793 0.496
-ntp.as3741.net 146.64.58.41 2 u 657 1024 377 23.163 0.055 6.701
-ntp2.as3741.net 155.232.19.6 2 u 821 1024 377 7.271 0.024 0.563
-ntp2.inx.net.za 210.182.58.253 2 u 956 1024 377 7.370 0.114 0.328
+ntp2.nog.net.za 80.72.67.48 3 u 134 1024 377 7.527 -0.022 0.053
-139.84.231.68 ( 196.21.187.2 2 u 697 1024 377 22.810 -0.003 1.212
-ntp7.inx.net.za 210.182.58.253 2 u 682 1024 377 16.484 -0.011 7.136
-tick.sanren.ac. .TC. 1 u 844 1024 377 23.226 0.005 0.120
Tue Oct 6 17:44:50 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6290GB)
200GB available in /atlas/red...OK (9262GB)
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 8.9T 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 Oct 6 17:44:51 SAST 2026 [elapsed=7 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 Oct 6 17:44:51 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Tue Oct 6 17:44:51 SAST 2026 [elapsed=7 sec] SERVICES2
Tue Oct 6 17:44:51 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Oct 6 17:44:55 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= 922kB time=00:00:29.50 bitrate= 256.0kbits/s speed=1.54e+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 Oct 6 17:48:08 SAST 2026 [elapsed=204 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: 271.05 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Tue Oct 6 17:48:59 SAST 2026 [elapsed=255 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Oct 6 17:49:18 SAST 2026 [elapsed=274 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Tue Oct 6 17:49:18 SAST 2026 [elapsed=274 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 (-54.8C)
Checking CCD plane: Z0=+1709.00 DZDX=-916.00 DZDY=+2354.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Oct 6 17:49:18 SAST 2026 [elapsed=274 sec] WEATHER
status weather: W 9.0C 64% 40/44kph@296 DP5.6C/-34C/d IDLE
...OK
Tue Oct 6 17:49:19 SAST 2026 [elapsed=275 sec] MET
status...OK
met: c=N o=N Ro4h Co32 Wc4 Ho3h To12d Do7h wait W IDLE
Tue Oct 6 17:49:19 SAST 2026 [elapsed=275 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Oct 6 17:49:19 SAST 2026 [elapsed=275 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 299.97 -14.64, 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 -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 113 1.2%
A 0.081s 402 4.4%
A 0.112s 747 8.2%
A 0.142s 1206 13.2%
A 0.172s 1804 19.7%
A 0.203s 2490 27.2%
A 0.233s 3286 35.9%
A 0.263s 4195 45.8%
A 0.294s 5172 56.5%
A 0.324s 6018 65.7%
A 0.354s 6827 74.6%
A 0.384s 7476 81.7%
A 0.415s 8033 87.8%
A 0.445s 8493 92.8%
A 0.475s 8810 96.2%
A 0.506s 9032 98.7%
A 0.536s 9156 100.0%
B 0.020s 1 0.0%
B 0.051s 99 1.1%
B 0.081s 381 4.2%
B 0.111s 727 7.9%
B 0.142s 1197 13.1%
B 0.172s 1776 19.4%
B 0.202s 2464 26.9%
B 0.233s 3256 35.6%
B 0.263s 4165 45.5%
B 0.293s 5101 55.7%
B 0.324s 5993 65.5%
B 0.354s 6774 74.0%
B 0.384s 7437 81.2%
B 0.415s 8009 87.5%
B 0.445s 8455 92.4%
B 0.475s 8809 96.2%
B 0.506s 9034 98.7%
B 0.536s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9065 99.0%
A 0.081s 8773 95.8%
A 0.111s 8414 91.9%
A 0.142s 7952 86.9%
A 0.172s 7374 80.6%
A 0.202s 6668 72.8%
A 0.233s 5868 64.1%
A 0.263s 4953 54.1%
A 0.293s 4015 43.9%
A 0.324s 3136 34.3%
A 0.354s 2353 25.7%
A 0.384s 1689 18.5%
A 0.415s 1129 12.3%
A 0.445s 685 7.5%
A 0.476s 346 3.8%
A 0.506s 123 1.3%
A 0.536s 10 0.1%
A 0.567s -7 0.0%
B 0.020s 9145 99.9%
B 0.051s 9033 98.7%
B 0.081s 8773 95.8%
B 0.111s 8425 92.0%
B 0.142s 7941 86.7%
B 0.172s 7360 80.4%
B 0.202s 6669 72.9%
B 0.233s 5872 64.1%
B 0.263s 4954 54.1%
B 0.293s 4023 43.9%
B 0.324s 3136 34.3%
B 0.354s 2360 25.8%
B 0.385s 1692 18.5%
B 0.415s 1124 12.3%
B 0.445s 684 7.5%
B 0.476s 337 3.7%
B 0.506s 121 1.3%
B 0.536s 7 0.1%
A 1 0.0mm 15 N F R | B -6 -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 0.536 seconds.
Shutter A closed to 0.0 percent in 0.567 seconds.
Shutter B closed to 0.1 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.02e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9302 IDLE
Tue Oct 6 17:50:21 SAST 2026 [elapsed=337 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 Oct 6 17:50 /atlas/obs/03a/61320/03a61320e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Oct 6 17:50:44 SAST 2026 [elapsed=360 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (76 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Oct 6 17:50:44 SAST 2026 [elapsed=360 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61319.66023573|info|galildriver|using focus model: foc=9187+(4.30)*14.6+(-0.40)*60.2=9225.7
61319.66024109|info|galildriver|o 2 IN | cass: 3039450 15.20 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54019508 9301 um b=8f M [focus]
61319.66025017|info|galildriver|o 2 IN | cass: 3039448 15.20 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54014289 9275 um b=8f M [focus]
61319.66026182|info|galildriver|o 2 IN | cass: 3039449 15.20 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54007542 9241 um b=8f M [focus]
61319.66027011|info|galildriver|o 2 IN | cass: 3039451 15.20 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54004794 9227 um b=8f M [focus]
61319.66027573|info|galildriver|o 2 IN | cass: 3039449 15.20 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54004663 9226 um b=0f [cmd]
bestfocus for o...OK
Tue Oct 6 17:50:48 SAST 2026 [elapsed=364 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Oct 6 17:51:14 SAST 2026 [elapsed=390 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 Oct 6 17:51:15 SAST 2026 [elapsed=391 sec] NOTICES: det_dzdx=-916 is outside range +-250 from -558; det_dzdy=2354 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 Oct 6 17:51:15 SAST 2026 [elapsed=391 sec] Happy observing!
Tue Oct 6 17:51:15 SAST 2026 [elapsed=391 sec] Preflight took 391 seconds to complete.
Tue Oct 6 17:51:15 SAST 2026 [elapsed=391 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 376 4.1% A 0.111s 723 7.9% A 0.141s 1180 12.9% A 0.172s 1762 19.2% A 0.202s 2442 26.7% A 0.232s 3238 35.4% A 0.262s 4144 45.3% A 0.293s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7413 81.0% A 0.414s 7987 87.3% A 0.444s 8446 92.3% A 0.474s 8784 96.0% A 0.505s 9020 98.5% A 0.535s 9137 99.8% A 0.565s 9154 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 381 4.2% B 0.111s 727 7.9% B 0.141s 1185 12.9% B 0.171s 1772 19.4% B 0.202s 2442 26.7% B 0.232s 3241 35.4% B 0.262s 4137 45.2% B 0.292s 5073 55.4% B 0.323s 5958 65.1% B 0.353s 6749 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.444s 8445 92.3% B 0.474s 8786 96.0% B 0.504s 9017 98.5% B 0.534s 9136 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9042 98.8% A 0.081s 8767 95.8% A 0.111s 8409 91.9% A 0.141s 7941 86.7% A 0.172s 7360 80.4% A 0.202s 6668 72.8% A 0.232s 5867 64.1% A 0.263s 4951 54.1% A 0.293s 4008 43.8% A 0.323s 3140 34.3% A 0.353s 2364 25.8% A 0.384s 1692 18.5% A 0.414s 1130 12.3% A 0.444s 680 7.4% A 0.474s 349 3.8% A 0.505s 119 1.3% A 0.535s 13 0.1% A 0.565s 2 0.0% B 0.020s 9145 99.9% B 0.050s 9028 98.6% B 0.081s 8782 95.9% B 0.111s 8436 92.2% B 0.141s 7971 87.1% B 0.171s 7401 80.8% B 0.202s 6714 73.3% B 0.232s 5919 64.7% B 0.262s 5014 54.8% B 0.292s 4086 44.6% B 0.322s 3191 34.9% B 0.353s 2418 26.4% B 0.383s 1744 19.1% B 0.413s 1177 12.9% B 0.443s 724 7.9% B 0.474s 374 4.1% B 0.504s 137 1.5% B 0.534s 17 0.2% B 0.564s -1 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R