STH Recent Preflight: 61189
Executing preflight for 61189 at Thu May 28 16:43:13 SAST 2026.
Log can be found in /atlas/obs/03/61189/preflight.dat.
Setting donefile '/atlas/obs/03/61189/preflight_complete.20260528144313.11042' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260528144313.11042.
Thu May 28 16:43:13 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu May 28 16:43:13 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [69c5ca7d-17da-4efd-a5c4-676b2387fbb8;1800]
Thu May 28 16:43:13 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu May 28 16:43:14 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu May 28 16:43:14 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Thu May 28 16:43:14 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu May 28 16:43:14 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1779979387
OK
Thu May 28 16:43:14 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu May 28 16:43:14 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
Thu May 28 16:43:16 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
Thu May 28 16:43:17 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Thu May 28 16:43:17 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Thu May 28 14:43:17 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 47m 1024 374 1.016 0.066 0.153
*metbox2.sth.atl .PPS. 1 u 648 1024 377 0.267 0.087 0.153
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 369 1024 377 24.257 0.592 0.484
-ntp.as3741.net 210.182.58.253 2 u 338 1024 377 23.189 -0.002 1.437
+ntp2.as3741.net 129.134.26.123 2 u 354 1024 377 7.279 -0.017 0.207
+ntp2.inx.net.za 183.3.52.101 2 u 573 1024 377 7.266 0.130 0.127
102.222.100.153 196.21.187.2 2 u 29d 1024 0 7.937 0.836 0.000
+ntp5.inx.net.za 196.21.187.2 2 u 609 1024 377 7.609 0.107 0.137
+flipping.cloudh 80.72.67.48 3 u 707 1024 377 7.770 0.036 0.220
102.216.37.99 ( 210.182.58.253 2 u 115d 1024 0 73.586 -0.040 0.000
-jnb.clearnet.pw 196.21.187.2 2 u 375 1024 377 22.800 -1.267 0.944
Thu May 28 16:43:19 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6138GB)
200GB available in /atlas/red...OK (9241GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.4T 5.9T 43% /
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 37G 57G 40% /
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 35% /
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 739G 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
Thu May 28 16:43:19 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
Thu May 28 16:43:19 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Thu May 28 16:43:19 SAST 2026 [elapsed=6 sec] SERVICES2
Thu May 28 16:43:19 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu May 28 16:43:24 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= 912kB time=00:00:29.18 bitrate= 256.0kbits/s speed=1.46e+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
Thu May 28 16:46:32 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: 126.51 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Thu May 28 16:47:30 SAST 2026 [elapsed=257 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu May 28 16:47:51 SAST 2026 [elapsed=278 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=46.9 IDLE
Thu May 28 16:47:51 SAST 2026 [elapsed=278 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (9 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.8C)
Checking CCD plane: Z0=+1720.00 DZDX=-887.00 DZDY=+2635.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu May 28 16:47:51 SAST 2026 [elapsed=278 sec] WEATHER
status weather: clear 14.4C 36% 5/7kph@298 DP14.1C/-28C/d IDLE
...OK
Thu May 28 16:47:52 SAST 2026 [elapsed=279 sec] MET
status...OK
met: c=N o=Y Ro7d Co4d Wo7d Ho4d To7d Do4d IDLE
Thu May 28 16:47:52 SAST 2026 [elapsed=279 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu May 28 16:47:52 SAST 2026 [elapsed=279 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 155.44 -14.63, 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 -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 7 0.1%
A 0.051s 109 1.2%
A 0.081s 392 4.3%
A 0.111s 745 8.1%
A 0.141s 1190 13.0%
A 0.172s 1783 19.5%
A 0.202s 2466 26.9%
A 0.232s 3259 35.6%
A 0.262s 4164 45.5%
A 0.293s 5115 55.9%
A 0.323s 5989 65.4%
A 0.353s 6781 74.1%
A 0.390s 7533 82.3%
A 0.421s 8116 88.7%
A 0.453s 8553 93.4%
A 0.492s 8897 97.2%
A 0.532s 9136 99.8%
A 0.565s 9165 100.0%
B 0.024s 3 0.0%
B 0.056s 162 1.8%
B 0.086s 465 5.1%
B 0.117s 834 9.1%
B 0.147s 1338 14.6%
B 0.178s 1942 21.2%
B 0.208s 2661 29.1%
B 0.238s 3479 38.0%
B 0.269s 4414 48.2%
B 0.299s 5333 58.3%
B 0.329s 6211 67.9%
B 0.360s 6951 75.9%
B 0.390s 7595 83.0%
B 0.420s 8138 88.9%
B 0.450s 8552 93.4%
B 0.481s 8868 96.9%
B 0.511s 9069 99.1%
B 0.541s 9156 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9069 99.1%
A 0.081s 8783 95.9%
A 0.111s 8426 92.0%
A 0.141s 7984 87.2%
A 0.172s 7395 80.8%
A 0.202s 6693 73.1%
A 0.232s 5895 64.4%
A 0.263s 4983 54.4%
A 0.293s 4045 44.2%
A 0.323s 3165 34.6%
A 0.353s 2378 26.0%
A 0.384s 1709 18.7%
A 0.414s 1147 12.5%
A 0.444s 712 7.8%
A 0.475s 354 3.9%
A 0.505s 128 1.4%
A 0.535s 13 0.1%
A 0.565s -6 0.0%
B 0.020s 9146 99.9%
B 0.050s 9035 98.7%
B 0.081s 8772 95.8%
B 0.111s 8424 92.0%
B 0.141s 7956 86.9%
B 0.172s 7378 80.6%
B 0.202s 6695 73.1%
B 0.232s 5896 64.4%
B 0.262s 4984 54.4%
B 0.293s 4050 44.2%
B 0.323s 3164 34.6%
B 0.353s 2385 26.1%
B 0.383s 1712 18.7%
B 0.414s 1141 12.5%
B 0.444s 697 7.6%
B 0.474s 355 3.9%
B 0.505s 128 1.4%
B 0.535s 12 0.1%
B 0.565s -5 0.0%
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 0.565 seconds.
Shutter B opened to 100.0 percent in 0.541 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=1.16e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9230 IDLE
Thu May 28 16:48:50 SAST 2026 [elapsed=337 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=46.9 IDLE
taking preflight exposures:
acam...OK
acam image:
124M May 28 16:49 /atlas/obs/03a/61189/03a61189e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu May 28 16:49:13 SAST 2026 [elapsed=360 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (26 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu May 28 16:49:13 SAST 2026 [elapsed=360 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61188.61751924|info|galildriver|using focus model: foc=9187+(4.30)*16.6+(-0.40)*60.2=9234.3
61188.61752449|info|galildriver|o 2 IN | cass: 3046637 15.23 mm b=23 move=NO | arm: 408733 475.83 mm b=03 move=OK | foc: 54005497 9231 um b=8f M [focus]
61188.61753509|info|galildriver|o 2 IN | cass: 3046641 15.23 mm b=23 move=NO | arm: 408733 475.83 mm b=03 move=OK | foc: 54005570 9231 um b=2f [cmd]
bestfocus for o...OK
Thu May 28 16:49:16 SAST 2026 [elapsed=363 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu May 28 16:49:45 SAST 2026 [elapsed=392 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
Thu May 28 16:49:47 SAST 2026 [elapsed=394 sec] NOTICES: det_dzdx=-887 is outside range +-250 from -558; det_dzdy=2635 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Thu May 28 16:49:47 SAST 2026 [elapsed=394 sec] Happy observing!
Thu May 28 16:49:47 SAST 2026 [elapsed=394 sec] Preflight took 394 seconds to complete.
Thu May 28 16:49:47 SAST 2026 [elapsed=394 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 114 1.2% A 0.081s 385 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.201s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4144 45.3% A 0.292s 5074 55.4% A 0.322s 5969 65.2% A 0.352s 6753 73.8% A 0.383s 7413 81.0% A 0.413s 7989 87.3% A 0.443s 8445 92.3% A 0.473s 8783 95.9% A 0.504s 9022 98.6% A 0.534s 9136 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 369 4.0% B 0.111s 715 7.8% B 0.141s 1186 13.0% B 0.171s 1753 19.2% B 0.201s 2442 26.7% B 0.232s 3242 35.4% B 0.262s 4138 45.2% B 0.292s 5074 55.4% B 0.322s 5962 65.1% B 0.353s 6746 73.7% B 0.383s 7421 81.1% B 0.414s 7986 87.2% B 0.444s 8443 92.2% B 0.474s 8786 96.0% B 0.504s 9017 98.5% B 0.534s 9136 99.8% B 0.565s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9055 98.9% A 0.081s 8788 96.0% A 0.111s 8433 92.1% A 0.141s 7974 87.1% A 0.171s 7402 80.9% A 0.202s 6716 73.4% A 0.232s 5922 64.7% A 0.262s 5013 54.8% A 0.293s 4068 44.4% A 0.323s 3193 34.9% A 0.353s 2409 26.3% A 0.383s 1730 18.9% A 0.414s 1163 12.7% A 0.444s 706 7.7% A 0.474s 368 4.0% A 0.504s 131 1.4% A 0.534s 15 0.2% A 0.565s 2 0.0% B 0.020s 9146 99.9% B 0.050s 9024 98.6% B 0.081s 8780 95.9% B 0.111s 8434 92.1% B 0.141s 7969 87.1% B 0.171s 7397 80.8% B 0.202s 6713 73.3% B 0.232s 5920 64.7% B 0.262s 5012 54.8% B 0.292s 4084 44.6% B 0.323s 3190 34.8% B 0.353s 2414 26.4% B 0.383s 1725 18.8% B 0.413s 1163 12.7% B 0.444s 713 7.8% B 0.474s 366 4.0% B 0.504s 138 1.5% B 0.534s 17 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R