STH Recent Preflight: 61170
Executing preflight for 61170 at Sat May 9 16:54:00 SAST 2026.
Log can be found in /atlas/obs/03/61170/preflight.dat.
Setting donefile '/atlas/obs/03/61170/preflight_complete.20260509145400.11042' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260509145400.11042.
Sat May 9 16:54:00 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat May 9 16:54:00 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [0c5d2928-59c5-4bc1-84fa-ed157a765985;1800]
Sat May 9 16:54:00 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat May 9 16:54:02 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat May 9 16:54:02 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Sat May 9 16:54:02 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Sat May 9 16:54:02 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1778338435
OK
Sat May 9 16:54:02 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Sat May 9 16:54:02 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
Sat May 9 16:54:03 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
Sat May 9 16:54:04 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Sat May 9 16:54:04 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Sat May 9 14:54:04 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 35 1024 37 0.987 -0.106 0.131
*metbox2.sth.atl .PPS. 1 u 367 1024 377 0.324 -0.060 0.130
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 196.21.187.2 2 u 804 1024 377 23.963 -0.302 0.550
+ntp.as3741.net 146.64.58.41 2 u 1019 1024 377 22.805 -0.171 0.284
+ntp2.as3741.net 155.232.19.7 2 u 840 1024 377 7.431 -0.263 0.208
+ntp2.inx.net.za 183.3.52.101 2 u 953 1024 377 7.270 -0.138 0.316
102.222.100.153 196.21.187.2 2 u 10d 1024 0 7.937 0.836 0.000
+ntp5.inx.net.za 196.21.187.2 2 u 303 1024 377 7.478 -0.094 0.133
+flipping.cloudh 80.72.67.48 3 u 952 1024 377 7.801 0.059 0.192
102.216.37.99 ( 210.182.58.253 2 u 96d 1024 0 73.586 -0.040 0.000
-jnb.clearnet.pw 102.176.229.251 2 u 43 1024 377 22.718 -1.227 0.777
Sat May 9 16:54:06 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6328GB)
200GB available in /atlas/red...OK (9358GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.2T 6.1T 41% /
admin:/dev/loop2 106M 106M 0 100% /snap/core/17284
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/sda2 117G 21G 91G 19% /
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/loop0 106M 106M 0 100% /snap/core/17292
tcs:/dev/mapper/ubuntu--vg-ubuntu--lv 98G 35G 59G 37% /
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 1.7T 12T 13% /
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 737G 13T 6% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17292
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
Sat May 9 16:54:06 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
Sat May 9 16:54:06 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Sat May 9 16:54:06 SAST 2026 [elapsed=6 sec] SERVICES2
Sat May 9 16:54:06 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat May 9 16:54:10 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= 924kB time=00:00:29.56 bitrate= 256.0kbits/s speed=1.5e+03x
audio converted to domehome.wav.
Copy dome audio to dashboards ... done
slewing to azimuth 0 (N)...OK
...WARN (webcam snap produced an empty file /tmp/azcheck1.jpg)
parking...OK
dome: AZ=88.66 CLOSED/CLOSED (0%) IDLE
Sat May 9 17:01:25 SAST 2026 [elapsed=445 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: 111.52 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Sat May 9 17:02:23 SAST 2026 [elapsed=503 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat May 9 17:02:45 SAST 2026 [elapsed=525 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.4 IDLE
Sat May 9 17:02:45 SAST 2026 [elapsed=525 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (8 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-55.1C)
Checking CCD plane: Z0=+1694.00 DZDX=-883.00 DZDY=+2023.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat May 9 17:02:45 SAST 2026 [elapsed=525 sec] WEATHER
status weather: W 12.3C 39% 30/43kph@353 DP12.6C/-10C/d IDLE
...OK
Sat May 9 17:02:45 SAST 2026 [elapsed=525 sec] MET
status...OK
met: c=N o=Y Ro2d Co1d Wo3d Ho7h To42d Do22h IDLE
Sat May 9 17:02:45 SAST 2026 [elapsed=525 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat May 9 17:02:45 SAST 2026 [elapsed=525 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 140.44 -14.63, az/alt=59.89 +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 8 0.1%
A 0.051s 108 1.2%
A 0.081s 392 4.3%
A 0.111s 731 8.0%
A 0.142s 1189 13.0%
A 0.172s 1783 19.5%
A 0.203s 2466 26.9%
A 0.233s 3257 35.6%
A 0.263s 4164 45.5%
A 0.294s 5114 55.9%
A 0.324s 5990 65.4%
A 0.354s 6805 74.3%
A 0.385s 7457 81.5%
A 0.415s 8016 87.6%
A 0.445s 8479 92.6%
A 0.476s 8801 96.1%
A 0.506s 9027 98.6%
A 0.536s 9155 100.0%
B 0.020s 1 0.0%
B 0.050s 105 1.1%
B 0.081s 392 4.3%
B 0.111s 739 8.1%
B 0.141s 1216 13.3%
B 0.172s 1797 19.6%
B 0.202s 2489 27.2%
B 0.232s 3284 35.9%
B 0.263s 4195 45.8%
B 0.293s 5133 56.1%
B 0.323s 6019 65.8%
B 0.353s 6796 74.2%
B 0.384s 7456 81.5%
B 0.414s 8026 87.7%
B 0.444s 8467 92.5%
B 0.475s 8808 96.2%
B 0.505s 9036 98.7%
B 0.535s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9058 99.0%
A 0.081s 8762 95.7%
A 0.112s 8403 91.8%
A 0.142s 7950 86.8%
A 0.173s 7353 80.3%
A 0.203s 6646 72.6%
A 0.234s 5840 63.8%
A 0.264s 4923 53.8%
A 0.294s 3986 43.5%
A 0.325s 3110 34.0%
A 0.355s 2330 25.5%
A 0.385s 1669 18.2%
A 0.416s 1115 12.2%
A 0.446s 663 7.2%
A 0.477s 326 3.6%
A 0.507s 113 1.2%
A 0.537s 8 0.1%
B 0.020s 9146 99.9%
B 0.051s 9034 98.7%
B 0.081s 8773 95.8%
B 0.111s 8413 91.9%
B 0.142s 7957 86.9%
B 0.172s 7359 80.4%
B 0.202s 6671 72.9%
B 0.233s 5869 64.1%
B 0.263s 4953 54.1%
B 0.293s 4023 43.9%
B 0.324s 3135 34.2%
B 0.354s 2361 25.8%
B 0.384s 1693 18.5%
B 0.415s 1124 12.3%
B 0.445s 684 7.5%
B 0.475s 347 3.8%
B 0.506s 122 1.3%
B 0.536s 8 0.1%
A 1 0.0mm 15 N F R | B -5 -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 0.535 seconds.
Shutter A closed to 0.1 percent in 0.537 seconds.
Shutter B closed to 0.1 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 224kB time=00:00:07.16 bitrate= 256.1kbits/s speed= 948x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9219 IDLE
Sat May 9 17:03:39 SAST 2026 [elapsed=579 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.4 IDLE
taking preflight exposures:
acam...OK
acam image:
125M May 9 17:03 /atlas/obs/03a/61170/03a61170e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat May 9 17:04:01 SAST 2026 [elapsed=601 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (14 seconds old)
OTA humidity level...OK (7%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat May 9 17:04:01 SAST 2026 [elapsed=601 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61169.62780217|info|galildriver|using focus model: foc=9187+(4.30)*14.1+(-0.40)*60.2=9223.5
61169.62780742|info|galildriver|o 2 IN | cass: 3048317 15.24 mm b=23 move=NO | arm: 408733 475.83 mm b=03 move=OK | foc: 54003322 9220 um b=8f M [focus]
61169.62781804|info|galildriver|o 2 IN | cass: 3048315 15.24 mm b=23 move=NO | arm: 408733 475.83 mm b=03 move=OK | foc: 54003391 9220 um b=2f [cmd]
bestfocus for o...OK
Sat May 9 17:04:04 SAST 2026 [elapsed=604 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat May 9 17:04:33 SAST 2026 [elapsed=633 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
Sat May 9 17:04:35 SAST 2026 [elapsed=635 sec] NOTICES: det_dzdx=-883 is outside range +-250 from -558; det_dzdy=2023 is outside range +-250 from -1915;
Sat May 9 17:04:35 SAST 2026 [elapsed=635 sec] WARNINGS: webcam snap produced an empty file /tmp/azcheck1.jpg;
Preflight completed with warnings. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sat May 9 17:04:35 SAST 2026 [elapsed=635 sec] Happy observing!
Sat May 9 17:04:35 SAST 2026 [elapsed=635 sec] Preflight took 635 seconds to complete.
Sat May 9 17:04:35 SAST 2026 [elapsed=635 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 0.021s 3 0.0% A 0.051s 121 1.3% A 0.081s 395 4.3% A 0.112s 749 8.2% A 0.142s 1213 13.3% A 0.172s 1803 19.7% A 0.202s 2490 27.2% A 0.232s 3293 36.0% A 0.263s 4175 45.6% A 0.293s 5133 56.1% A 0.323s 6025 65.8% A 0.353s 6775 74.0% A 0.384s 7434 81.2% A 0.414s 8006 87.5% A 0.444s 8458 92.4% A 0.474s 8793 96.1% A 0.505s 9027 98.6% A 0.535s 9138 99.8% A 0.565s 9153 100.0% B 0.020s 2 0.0% B 0.050s 119 1.3% B 0.081s 379 4.1% B 0.111s 741 8.1% B 0.141s 1220 13.3% B 0.171s 1774 19.4% B 0.202s 2466 26.9% B 0.232s 3267 35.7% B 0.262s 4167 45.5% B 0.292s 5103 55.7% B 0.323s 5989 65.4% B 0.353s 6773 74.0% B 0.383s 7438 81.3% B 0.413s 8001 87.4% B 0.444s 8456 92.4% B 0.474s 8795 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.565s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9043 98.8% A 0.081s 8767 95.8% A 0.111s 8420 92.0% A 0.141s 7942 86.8% A 0.172s 7381 80.6% A 0.202s 6692 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.292s 4039 44.1% A 0.323s 3166 34.6% A 0.353s 2387 26.1% A 0.383s 1710 18.7% A 0.413s 1147 12.5% A 0.444s 693 7.6% A 0.474s 358 3.9% A 0.504s 125 1.4% A 0.534s 14 0.2% A 0.565s 2 0.0% B 0.020s 9144 99.9% B 0.050s 9020 98.5% B 0.081s 8771 95.8% B 0.111s 8422 92.0% B 0.141s 7953 86.9% B 0.171s 7380 80.6% B 0.202s 6692 73.1% B 0.232s 5894 64.4% B 0.262s 4982 54.4% B 0.292s 4053 44.3% B 0.323s 3166 34.6% B 0.353s 2394 26.2% B 0.383s 1703 18.6% B 0.413s 1145 12.5% B 0.444s 698 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