STH Recent Preflight: 61224
Executing preflight for 61224 at Thu Jul 2 16:45:38 SAST 2026.
Log can be found in /atlas/obs/03/61224/preflight.dat.
Setting donefile '/atlas/obs/03/61224/preflight_complete.20260702144538.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260702144538.13534.
Thu Jul 2 16:45:38 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Jul 2 16:45:38 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [085eafbf-abc2-4a82-812c-6d418f8e97a1;1800]
Thu Jul 2 16:45:38 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu Jul 2 16:45:39 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Jul 2 16:45:39 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Thu Jul 2 16:45:39 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Jul 2 16:45:39 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1783003529
OK
Thu Jul 2 16:45:39 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Jul 2 16:45:39 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 Jul 2 16:45:41 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 Jul 2 16:45:41 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Jul 2 16:45:41 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Thu Jul 2 14:45:41 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 154 1024 377 1.023 -0.029 0.821
*metbox2.sth.atl .PPS. 1 u 621 1024 377 0.214 -0.033 0.117
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 102 1024 377 23.288 0.002 0.551
-ntp.as3741.net 210.182.58.253 2 u 578 1024 377 22.913 -0.059 0.502
+ntp2.as3741.net 155.232.19.7 2 u 764 1024 377 7.339 -0.102 0.119
-ntp2.inx.net.za 210.182.58.253 2 u 22 1024 377 7.334 0.032 0.637
+ntp5.inx.net.za 196.21.187.2 2 u 424 1024 377 7.588 -0.025 0.151
#102.222.156.151 196.21.187.2 2 u 1614 1024 376 24.739 0.618 0.414
+102.222.103.99 80.72.67.48 3 u 203 1024 377 7.564 0.032 0.141
-139.84.231.68 ( 196.21.187.2 2 u 432 1024 377 22.834 0.023 0.205
-ntp8.inx.net.za 210.182.58.253 2 u 494 1024 377 16.938 0.091 16.205
Thu Jul 2 16:45:43 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6421GB)
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 4.1T 6.2T 41% /
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 37G 56G 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/loop0 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 736G 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
Thu Jul 2 16:45:44 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 Jul 2 16:45:44 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Thu Jul 2 16:45:44 SAST 2026 [elapsed=6 sec] SERVICES2
Thu Jul 2 16:45:44 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Jul 2 16:45:48 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
Copy azcheck JPEG to dashboards ... done
parking...OK
dome: AZ=90.00 CLOSED/CLOSED (0%) IDLE
Thu Jul 2 16:49:03 SAST 2026 [elapsed=205 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: 161.62 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Thu Jul 2 16:49:54 SAST 2026 [elapsed=256 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Jul 2 16:50:13 SAST 2026 [elapsed=275 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Thu Jul 2 16:50:13 SAST 2026 [elapsed=275 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (1 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-55.4C)
Checking CCD plane: Z0=+1628.00 DZDX=-886.00 DZDY=+513.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Jul 2 16:50:13 SAST 2026 [elapsed=275 sec] WEATHER
status weather: W 2.1C 77% 46/55kph@319 DP3.6C/22C/d IDLE
...OK
Thu Jul 2 16:50:14 SAST 2026 [elapsed=276 sec] MET
status...OK
met: c=N o=Y Ro3d Co1 Wo3d Ho5h To14d Do7d IDLE
Thu Jul 2 16:50:14 SAST 2026 [elapsed=276 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Jul 2 16:50:14 SAST 2026 [elapsed=276 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 190.54 -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 8 0.1%
A 0.051s 104 1.1%
A 0.081s 396 4.3%
A 0.111s 745 8.1%
A 0.142s 1204 13.2%
A 0.172s 1801 19.7%
A 0.202s 2491 27.2%
A 0.232s 3284 35.9%
A 0.263s 4192 45.8%
A 0.293s 5147 56.2%
A 0.323s 6018 65.7%
A 0.354s 6802 74.3%
A 0.384s 7457 81.5%
A 0.414s 8021 87.6%
A 0.444s 8478 92.6%
A 0.475s 8803 96.2%
A 0.505s 9031 98.7%
A 0.535s 9156 100.0%
B 0.020s 1 0.0%
B 0.050s 95 1.0%
B 0.081s 375 4.1%
B 0.111s 724 7.9%
B 0.141s 1194 13.0%
B 0.171s 1773 19.4%
B 0.202s 2464 26.9%
B 0.232s 3257 35.6%
B 0.262s 4165 45.5%
B 0.293s 5102 55.7%
B 0.323s 5993 65.5%
B 0.353s 6773 74.0%
B 0.383s 7438 81.3%
B 0.414s 8011 87.5%
B 0.444s 8457 92.4%
B 0.474s 8800 96.1%
B 0.505s 9031 98.7%
B 0.535s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.050s 9073 99.1%
A 0.081s 8790 96.0%
A 0.111s 8428 92.1%
A 0.141s 7986 87.2%
A 0.172s 7397 80.8%
A 0.202s 6716 73.4%
A 0.232s 5924 64.7%
A 0.262s 5012 54.8%
A 0.293s 4074 44.5%
A 0.323s 3193 34.9%
A 0.353s 2400 26.2%
A 0.384s 1725 18.8%
A 0.414s 1161 12.7%
A 0.444s 711 7.8%
A 0.474s 365 4.0%
A 0.505s 132 1.4%
A 0.535s 15 0.2%
A 0.565s -9 0.0%
B 0.020s 9146 99.9%
B 0.050s 9036 98.7%
B 0.081s 8778 95.9%
B 0.111s 8426 92.0%
B 0.141s 7960 87.0%
B 0.172s 7381 80.6%
B 0.202s 6695 73.1%
B 0.232s 5898 64.4%
B 0.262s 4984 54.4%
B 0.293s 4051 44.3%
B 0.323s 3163 34.6%
B 0.353s 2382 26.0%
B 0.384s 1712 18.7%
B 0.414s 1138 12.4%
B 0.444s 696 7.6%
B 0.474s 355 3.9%
B 0.505s 126 1.4%
B 0.535s 10 0.1%
B 0.565s -7 0.0%
A 0 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 0.535 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=1.03e+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
Thu Jul 2 16:50:51 SAST 2026 [elapsed=313 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Jul 2 16:51 /atlas/obs/03a/61224/03a61224e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Jul 2 16:51:14 SAST 2026 [elapsed=336 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (25 seconds old)
OTA humidity level...OK (19%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Jul 2 16:51:14 SAST 2026 [elapsed=336 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61223.61891642|info|galildriver|using focus model: foc=9187+(4.30)*7.9+(-0.40)*60.2=9196.9
61223.61892178|info|galildriver|o 2 IN | cass: 3050621 15.25 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54001836 9212 um b=8f M [focus]
61223.61893262|info|galildriver|o 2 IN | cass: 3050617 15.25 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 53998426 9195 um b=8f M [focus]
61223.61894276|info|galildriver|o 2 IN | cass: 3050617 15.25 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 53998441 9195 um b=0f [cmd]
bestfocus for o...OK
Thu Jul 2 16:51:16 SAST 2026 [elapsed=338 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Jul 2 16:51:42 SAST 2026 [elapsed=364 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 Jul 2 16:51:44 SAST 2026 [elapsed=366 sec] NOTICES: det_dzdx=-886 is outside range +-250 from -558; det_dzdy=513 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 Jul 2 16:51:44 SAST 2026 [elapsed=366 sec] Happy observing!
Thu Jul 2 16:51:44 SAST 2026 [elapsed=366 sec] Preflight took 366 seconds to complete.
Thu Jul 2 16:51:44 SAST 2026 [elapsed=366 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 4 0.0% A 0.050s 122 1.3% A 0.081s 396 4.3% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.202s 2490 27.2% A 0.232s 3266 35.7% A 0.262s 4175 45.6% A 0.292s 5104 55.8% A 0.323s 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.413s 8007 87.5% A 0.444s 8456 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 1 0.0% B 0.050s 117 1.3% B 0.081s 380 4.2% B 0.111s 730 8.0% B 0.141s 1203 13.1% B 0.171s 1775 19.4% B 0.201s 2468 27.0% B 0.232s 3268 35.7% B 0.262s 4168 45.5% B 0.292s 5104 55.8% B 0.322s 5963 65.1% B 0.353s 6748 73.7% B 0.383s 7439 81.3% B 0.413s 8000 87.4% B 0.443s 8457 92.4% B 0.474s 8795 96.1% B 0.504s 9024 98.6% B 0.534s 9140 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.172s 7380 80.6% A 0.202s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4981 54.4% A 0.293s 4039 44.1% A 0.323s 3166 34.6% A 0.353s 2386 26.1% A 0.383s 1711 18.7% A 0.413s 1164 12.7% A 0.444s 706 7.7% A 0.474s 367 4.0% A 0.504s 131 1.4% A 0.534s 15 0.2% A 0.565s 2 0.0% B 0.020s 9144 99.9% B 0.050s 9020 98.5% B 0.081s 8780 95.9% B 0.111s 8436 92.2% B 0.141s 7953 86.9% B 0.172s 7380 80.6% B 0.202s 6690 73.1% B 0.232s 5922 64.7% B 0.262s 4982 54.4% B 0.293s 4053 44.3% B 0.323s 3191 34.9% B 0.353s 2394 26.2% B 0.383s 1725 18.8% B 0.413s 1162 12.7% B 0.444s 712 7.8% B 0.474s 364 4.0% B 0.504s 137 1.5% B 0.534s 16 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R