STH Recent Preflight: 61190
Executing preflight for 61190 at Fri May 29 16:42:56 SAST 2026.
Log can be found in /atlas/obs/03/61190/preflight.dat.
Setting donefile '/atlas/obs/03/61190/preflight_complete.20260529144256.11042' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260529144256.11042.
Fri May 29 16:42:56 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri May 29 16:42:56 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [398af1af-9c1d-45c4-a3b8-a119f8b883a5;1800]
Fri May 29 16:42:56 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri May 29 16:42:57 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri May 29 16:42:57 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Fri May 29 16:42:57 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri May 29 16:42:57 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1780065774
OK
Fri May 29 16:42:57 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri May 29 16:42:57 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
Fri May 29 16:42:59 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
Fri May 29 16:42:59 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri May 29 16:42:59 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Fri May 29 14:42:59 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 437 1024 377 1.019 0.032 0.064
*metbox2.sth.atl .PPS. 1 u 409 1024 377 0.293 -0.058 0.053
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 160 1024 377 24.292 -0.732 0.206
+ntp.as3741.net 210.182.58.253 2 u 1001 1024 377 23.062 -0.039 0.791
+ntp2.as3741.net 129.134.26.123 2 u 76 1024 377 7.251 0.051 0.124
-ntp2.inx.net.za 183.3.52.101 2 u 150 1024 377 7.295 0.073 0.802
102.222.100.153 196.21.187.2 2 u 30d 1024 0 7.937 0.836 0.000
-ntp5.inx.net.za 196.21.187.2 2 u 454 1024 377 7.495 0.001 0.070
-flipping.cloudh 80.72.67.48 3 u 463 1024 377 7.836 -0.122 0.191
102.216.37.99 ( 210.182.58.253 2 u 116d 1024 0 73.586 -0.040 0.000
-jnb.clearnet.pw 196.21.187.2 2 u 200 1024 377 22.755 0.621 1.370
Fri May 29 16:43:03 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (6164GB)
200GB available in /atlas/red...OK (9280GB)
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 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 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
Fri May 29 16:43:03 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
Fri May 29 16:43:03 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Fri May 29 16:43:03 SAST 2026 [elapsed=7 sec] SERVICES2
Fri May 29 16:43:03 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri May 29 16:43:08 SAST 2026 [elapsed=12 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= 918kB time=00:00:29.37 bitrate= 256.0kbits/s speed=1.29e+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 May 29 16:46:23 SAST 2026 [elapsed=207 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: 127.47 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Fri May 29 16:47:22 SAST 2026 [elapsed=266 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri May 29 16:47:43 SAST 2026 [elapsed=287 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.2 IDLE
Fri May 29 16:47:43 SAST 2026 [elapsed=287 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (4 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.9C)
Checking CCD plane: Z0=+1711.00 DZDX=-886.00 DZDY=+2413.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri May 29 16:47:43 SAST 2026 [elapsed=287 sec] WEATHER
status weather: clear 12.9C 53% 16/23kph@112 DP9.4C/3C/d IDLE
...OK
Fri May 29 16:47:44 SAST 2026 [elapsed=288 sec] MET
status...OK
met: c=N o=Y Ro8d Co19h Wo8d Ho7h To8d Do22h IDLE
Fri May 29 16:47:44 SAST 2026 [elapsed=288 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri May 29 16:47:44 SAST 2026 [elapsed=288 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 156.39 -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 -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 0.050s 116 1.3%
A 0.081s 402 4.4%
A 0.111s 744 8.1%
A 0.141s 1207 13.2%
A 0.172s 1804 19.7%
A 0.202s 2488 27.2%
A 0.232s 3287 35.9%
A 0.263s 4194 45.8%
A 0.293s 5144 56.2%
A 0.323s 6018 65.7%
A 0.353s 6803 74.3%
A 0.384s 7458 81.5%
A 0.414s 8017 87.6%
A 0.444s 8478 92.6%
A 0.474s 8801 96.1%
A 0.505s 9027 98.6%
A 0.535s 9154 100.0%
B 0.020s 1 0.0%
B 0.050s 97 1.1%
B 0.081s 395 4.3%
B 0.111s 740 8.1%
B 0.141s 1214 13.3%
B 0.172s 1798 19.6%
B 0.202s 2489 27.2%
B 0.232s 3284 35.9%
B 0.263s 4197 45.8%
B 0.293s 5130 56.0%
B 0.323s 6021 65.8%
B 0.354s 6796 74.2%
B 0.384s 7456 81.5%
B 0.414s 8026 87.7%
B 0.444s 8467 92.5%
B 0.475s 8807 96.2%
B 0.505s 9028 98.6%
B 0.535s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9063 99.0%
A 0.081s 8772 95.8%
A 0.111s 8426 92.0%
A 0.141s 7967 87.0%
A 0.171s 7375 80.6%
A 0.201s 6716 73.4%
A 0.232s 5894 64.4%
A 0.262s 4983 54.4%
A 0.292s 4045 44.2%
A 0.323s 3165 34.6%
A 0.353s 2378 26.0%
A 0.383s 1709 18.7%
A 0.414s 1164 12.7%
A 0.444s 700 7.6%
A 0.474s 353 3.9%
A 0.504s 128 1.4%
A 0.535s 14 0.2%
A 0.565s -8 0.0%
B 0.020s 9146 99.9%
B 0.050s 9033 98.7%
B 0.081s 8773 95.8%
B 0.111s 8425 92.0%
B 0.141s 7957 86.9%
B 0.172s 7380 80.6%
B 0.202s 6694 73.1%
B 0.232s 5896 64.4%
B 0.262s 4985 54.5%
B 0.293s 4051 44.3%
B 0.323s 3163 34.6%
B 0.353s 2384 26.0%
B 0.383s 1712 18.7%
B 0.414s 1140 12.5%
B 0.444s 697 7.6%
B 0.475s 354 3.9%
B 0.505s 129 1.4%
B 0.535s 12 0.1%
B 0.565s -4 0.0%
A 1 0.0mm 15 N F R | B -4 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.535 seconds.
Shutter B opened to 99.9 percent in 0.535 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= 983x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9226 IDLE
Fri May 29 16:48:36 SAST 2026 [elapsed=340 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.2 IDLE
taking preflight exposures:
acam...OK
acam image:
124M May 29 16:48 /atlas/obs/03a/61190/03a61190e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri May 29 16:48:58 SAST 2026 [elapsed=362 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (11 seconds old)
OTA humidity level...OK (7%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri May 29 16:48:58 SAST 2026 [elapsed=362 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61189.61735037|info|galildriver|using focus model: foc=9187+(4.30)*15.6+(-0.40)*60.2=9230.0
61189.61735561|info|galildriver|o 2 IN | cass: 3047112 15.24 mm b=23 move=NO | arm: 408733 475.83 mm b=03 move=OK | foc: 54004678 9227 um b=8f M [focus]
61189.61736622|info|galildriver|o 2 IN | cass: 3047111 15.24 mm b=23 move=NO | arm: 408733 475.83 mm b=03 move=OK | foc: 54004745 9227 um b=2f [cmd]
bestfocus for o...OK
Fri May 29 16:49:01 SAST 2026 [elapsed=365 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri May 29 16:49:30 SAST 2026 [elapsed=394 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 May 29 16:49:31 SAST 2026 [elapsed=395 sec] NOTICES: det_dzdx=-886 is outside range +-250 from -558; det_dzdy=2413 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 May 29 16:49:31 SAST 2026 [elapsed=395 sec] Happy observing!
Fri May 29 16:49:31 SAST 2026 [elapsed=395 sec] Preflight took 395 seconds to complete.
Fri May 29 16:49:31 SAST 2026 [elapsed=395 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 386 4.2% A 0.111s 736 8.0% A 0.141s 1196 13.1% A 0.171s 1784 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4175 45.6% A 0.292s 5103 55.7% A 0.323s 5998 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.413s 8006 87.5% A 0.444s 8457 92.4% A 0.474s 8792 96.0% A 0.504s 9027 98.6% A 0.534s 9137 99.8% A 0.564s 9153 100.0% B 0.020s 0 0.0% B 0.050s 112 1.2% B 0.080s 378 4.1% B 0.111s 727 7.9% B 0.141s 1185 12.9% B 0.171s 1751 19.1% B 0.201s 2441 26.7% B 0.231s 3240 35.4% B 0.262s 4137 45.2% B 0.292s 5072 55.4% B 0.322s 5959 65.1% B 0.352s 6748 73.7% B 0.382s 7421 81.1% B 0.413s 7987 87.3% B 0.443s 8431 92.1% B 0.473s 8776 95.9% B 0.503s 9011 98.4% B 0.533s 9134 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9049 98.9% A 0.081s 8778 95.9% A 0.111s 8420 92.0% A 0.141s 7957 86.9% A 0.172s 7380 80.6% A 0.202s 6691 73.1% A 0.232s 5895 64.4% A 0.262s 4981 54.4% A 0.293s 4038 44.1% A 0.323s 3166 34.6% A 0.353s 2386 26.1% A 0.383s 1711 18.7% A 0.413s 1147 12.5% A 0.444s 693 7.6% A 0.474s 359 3.9% A 0.504s 125 1.4% A 0.534s 15 0.2% A 0.564s 2 0.0% B 0.020s 9144 99.9% B 0.050s 9018 98.5% B 0.081s 8771 95.8% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.171s 7378 80.6% B 0.201s 6689 73.1% B 0.232s 5919 64.7% B 0.262s 5012 54.8% B 0.292s 4083 44.6% B 0.322s 3191 34.9% B 0.352s 2414 26.4% B 0.383s 1724 18.8% B 0.413s 1164 12.7% B 0.443s 712 7.8% B 0.473s 366 4.0% B 0.504s 138 1.5% B 0.534s 17 0.2% B 0.564s 1 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R