STH Recent Preflight: 61265
Executing preflight for 61265 at Wed Aug 12 17:09:55 SAST 2026.
Log can be found in /atlas/obs/03/61265/preflight.dat.
Setting donefile '/atlas/obs/03/61265/preflight_complete.20260812150955.21273' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260812150955.21273.
Wed Aug 12 17:09:55 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Aug 12 17:09:55 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [06fe3d3e-7c3b-4f1a-a762-37831e75868f;1800]
Wed Aug 12 17:09:55 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 3 ON redLED
Wed Aug 12 17:09:56 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Aug 12 17:09:56 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Wed Aug 12 17:09:56 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Aug 12 17:09:56 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1786547394
OK
Wed Aug 12 17:09:56 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Aug 12 17:09:56 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 Aug 12 17:09:58 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 Aug 12 17:09:58 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Wed Aug 12 17:09:58 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Wed Aug 12 15:09:58 UTC 2026
met: 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 662 1024 377 0.916 -0.683 0.559
+metbox2.sth.atl .PPS. 1 u 337 1024 377 0.319 -0.707 0.535
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 196.21.187.2 2 u 482 1024 377 23.183 -0.523 0.732
+ntp.as3741.net 146.64.58.41 2 u 80 1024 377 22.851 -0.933 9.322
+ntp2.as3741.net 129.134.28.123 2 u 438 1024 337 7.293 -0.904 0.365
+ntp2.inx.net.za 210.182.58.253 2 u 950 1024 377 7.231 -0.608 0.499
+ntp5.inx.net.za 210.182.58.253 2 u 903 1024 377 7.796 -0.642 0.620
#102.222.156.151 196.21.187.2 2 u 468 1024 377 24.635 -0.303 0.522
+ntp2.nog.net.za 80.72.67.48 3 u 600 1024 377 7.533 -0.503 0.465
+139.84.231.68 ( 196.21.187.2 2 u 246 1024 377 22.852 -0.841 1.257
+ntp8.inx.net.za 210.182.58.253 2 u 792 1024 377 16.907 -0.698 0.333
Wed Aug 12 17:10:01 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (5734GB)
200GB available in /atlas/red...OK (8308GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.8T 5.5T 47% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17284
admin:/dev/loop1 106M 106M 0 100% /snap/core/17292
archon:/dev/sda2 117G 22G 89G 20% /
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/loop0 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 5.5T 8.0T 41% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.7T 12T 13% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 737G 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/loop1 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17292
Wed Aug 12 17:10:01 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
Wed Aug 12 17:10:01 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Wed Aug 12 17:10:01 SAST 2026 [elapsed=6 sec] SERVICES2
Wed Aug 12 17:10:01 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Aug 12 17:10:05 SAST 2026 [elapsed=10 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= 928kB time=00:00:29.69 bitrate= 256.0kbits/s speed=1.41e+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 Aug 12 17:13:14 SAST 2026 [elapsed=199 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: 208.09 -29.49, az/alt=324.73 +86.49 idle(e) IDLE
Wed Aug 12 17:14:05 SAST 2026 [elapsed=250 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Aug 12 17:14:24 SAST 2026 [elapsed=269 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Wed Aug 12 17:14:24 SAST 2026 [elapsed=269 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (6 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-55.3C)
Checking CCD plane: Z0=+1659.00 DZDX=-888.00 DZDY=+1228.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Aug 12 17:14:24 SAST 2026 [elapsed=269 sec] WEATHER
status weather: C+ W 8.2C 68% 32/42kph@105 DP5.2C/-14C/d IDLE
...OK
Wed Aug 12 17:14:25 SAST 2026 [elapsed=270 sec] MET
status...OK
met: c=N o=N Ro17h Cx0 Wo1d Ho4h To55d Do20d wait C IDLE
Wed Aug 12 17:14:25 SAST 2026 [elapsed=270 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Aug 12 17:14:27 SAST 2026 [elapsed=272 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 237.01 -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 114 1.2%
A 0.081s 400 4.4%
A 0.111s 745 8.1%
A 0.142s 1207 13.2%
A 0.172s 1823 19.9%
A 0.203s 2513 27.5%
A 0.233s 3315 36.2%
A 0.263s 4227 46.2%
A 0.294s 5174 56.5%
A 0.324s 6044 66.0%
A 0.355s 6827 74.6%
A 0.385s 7496 81.9%
A 0.416s 8050 87.9%
A 0.446s 8503 92.9%
A 0.476s 8821 96.4%
A 0.507s 9039 98.7%
A 0.537s 9157 100.0%
B 0.020s 2 0.0%
B 0.051s 105 1.1%
B 0.081s 391 4.3%
B 0.111s 739 8.1%
B 0.142s 1214 13.3%
B 0.172s 1795 19.6%
B 0.202s 2490 27.2%
B 0.233s 3284 35.9%
B 0.263s 4197 45.8%
B 0.293s 5132 56.1%
B 0.324s 6020 65.8%
B 0.354s 6796 74.2%
B 0.384s 7457 81.5%
B 0.415s 8044 87.9%
B 0.445s 8481 92.6%
B 0.475s 8817 96.3%
B 0.506s 9041 98.8%
B 0.536s 9149 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9071 99.1%
A 0.081s 8773 95.8%
A 0.111s 8415 91.9%
A 0.142s 7969 87.1%
A 0.172s 7375 80.6%
A 0.203s 6692 73.1%
A 0.233s 5896 64.4%
A 0.263s 4983 54.4%
A 0.294s 4044 44.2%
A 0.324s 3166 34.6%
A 0.354s 2378 26.0%
A 0.385s 1689 18.5%
A 0.415s 1129 12.3%
A 0.446s 684 7.5%
A 0.476s 345 3.8%
A 0.506s 123 1.3%
A 0.537s 10 0.1%
A 0.567s -7 0.0%
B 0.020s 9146 99.9%
B 0.051s 9034 98.7%
B 0.081s 8775 95.9%
B 0.111s 8426 92.0%
B 0.142s 7958 86.9%
B 0.172s 7361 80.4%
B 0.202s 6670 72.9%
B 0.233s 5870 64.1%
B 0.263s 4955 54.1%
B 0.294s 4021 43.9%
B 0.324s 3136 34.3%
B 0.354s 2361 25.8%
B 0.385s 1691 18.5%
B 0.415s 1124 12.3%
B 0.445s 683 7.5%
B 0.476s 346 3.8%
B 0.506s 116 1.3%
B 0.536s 8 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 0.537 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=1.09e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9212 IDLE
Wed Aug 12 17:15:04 SAST 2026 [elapsed=309 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Aug 12 17:15 /atlas/obs/03a/61265/03a61265e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Aug 12 17:15:27 SAST 2026 [elapsed=332 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (38 seconds old)
OTA humidity level...OK (17%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Aug 12 17:15:27 SAST 2026 [elapsed=332 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61264.63573543|info|galildriver|using focus model: foc=9187+(4.30)*10.9+(-0.40)*60.2=9209.8
61264.63574045|info|galildriver|o 2 IN | cass: 3044349 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54001848 9212 um b=8f M [focus]
61264.63575063|info|galildriver|o 2 IN | cass: 3044348 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54001851 9212 um b=0f [cmd]
bestfocus for o...OK
Wed Aug 12 17:15:29 SAST 2026 [elapsed=334 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Aug 12 17:15:55 SAST 2026 [elapsed=360 sec] Disabling mount tracking.
Waiting on the mount ... done.
Turning tracking off ... done.
Waiting on the mount ... done.
Recheck mount status ... done.
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 3 OFF redLED
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 2 OFF whiteLED
Wed Aug 12 17:15:57 SAST 2026 [elapsed=362 sec] NOTICES: det_dzdx=-888 is outside range +-250 from -558; det_dzdy=1228 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 Aug 12 17:15:57 SAST 2026 [elapsed=362 sec] Happy observing!
Wed Aug 12 17:15:57 SAST 2026 [elapsed=362 sec] Preflight took 362 seconds to complete.
Wed Aug 12 17:15:57 SAST 2026 [elapsed=362 sec] STARTING CLEANUP
Turning off LEDs
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 3 OFF redLED
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
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 117 1.3% A 0.081s 384 4.2% A 0.111s 735 8.0% A 0.142s 1197 13.1% A 0.172s 1782 19.5% A 0.203s 2465 26.9% A 0.234s 3295 36.0% A 0.264s 4205 45.9% A 0.295s 5162 56.4% A 0.325s 6053 66.1% A 0.356s 6820 74.5% A 0.386s 7473 81.6% A 0.416s 8040 87.8% A 0.447s 8494 92.8% A 0.477s 8821 96.4% A 0.508s 9043 98.8% A 0.539s 9143 99.9% A 0.569s 9154 100.0% B 0.020s 2 0.0% B 0.051s 120 1.3% B 0.081s 388 4.2% B 0.112s 741 8.1% B 0.142s 1220 13.3% B 0.172s 1795 19.6% B 0.203s 2490 27.2% B 0.233s 3295 36.0% B 0.264s 4200 45.9% B 0.294s 5162 56.4% B 0.325s 6043 66.0% B 0.355s 6816 74.5% B 0.386s 7499 81.9% B 0.416s 8035 87.8% B 0.446s 8480 92.6% B 0.477s 8814 96.3% B 0.507s 9039 98.7% B 0.537s 9144 99.9% B 0.568s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9048 98.8% A 0.081s 8778 95.9% A 0.112s 8407 91.8% A 0.142s 7941 86.7% A 0.173s 7361 80.4% A 0.203s 6667 72.8% A 0.234s 5867 64.1% A 0.264s 4920 53.7% A 0.295s 3979 43.5% A 0.325s 3113 34.0% A 0.356s 2340 25.6% A 0.386s 1651 18.0% A 0.417s 1097 12.0% A 0.447s 656 7.2% A 0.477s 331 3.6% A 0.508s 109 1.2% A 0.539s 10 0.1% A 0.569s 1 0.0% B 0.020s 9143 99.9% B 0.051s 9011 98.4% B 0.082s 8761 95.7% B 0.112s 8408 91.9% B 0.142s 7934 86.7% B 0.172s 7354 80.3% B 0.203s 6665 72.8% B 0.233s 5864 64.1% B 0.263s 4950 54.1% B 0.294s 4022 43.9% B 0.325s 3107 33.9% B 0.355s 2346 25.6% B 0.386s 1663 18.2% B 0.416s 1100 12.0% B 0.447s 662 7.2% B 0.477s 328 3.6% B 0.507s 116 1.3% B 0.538s 9 0.1% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R