STH Recent Preflight: 61067
Executing preflight for 61067 at Mon Jan 26 18:45:34 SAST 2026.
Log can be found in /atlas/obs/03/61067/preflight.dat.
Setting donefile '/atlas/obs/03/61067/preflight_complete.20260126164534.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260126164534.14431.
Mon Jan 26 18:45:34 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Jan 26 18:45:34 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [b870f1fd-de43-4f16-8797-3eada2c4e3f2;1800]
Mon Jan 26 18:45:34 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Jan 26 18:45:35 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Jan 26 18:45:35 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Mon Jan 26 18:45:35 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Jan 26 18:45:35 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1769445932
OK
Mon Jan 26 18:45:35 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Jan 26 18:45:35 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
Mon Jan 26 18:45:37 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
Mon Jan 26 18:45:37 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Jan 26 18:45:37 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Mon Jan 26 16:45:37 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 147 1024 377 1.090 0.274 0.380
*metbox2.sth.atl .PPS. 1 u 338 1024 377 0.310 0.223 0.183
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 183.3.52.101 2 u 784 1024 377 24.346 1.400 0.502
+ntp.as3741.net 146.64.58.41 2 u 223 1024 377 22.802 0.243 0.229
-ntp2.as3741.net 146.64.8.7 2 u 37 1024 377 7.367 0.194 0.186
-ntp2.inx.net.za 183.3.52.101 2 u 906 1024 377 7.870 0.423 0.171
-102.222.100.153 155.232.19.6 2 u 32 1024 377 7.779 0.570 0.231
-ntp5.inx.net.za 210.182.58.253 2 u 959 1024 377 7.951 0.266 0.099
+flipping.cloudh 80.72.67.48 3 u 156 1024 377 8.173 0.457 0.321
#102.216.37.99 ( 210.182.58.253 2 u 123 1024 377 73.663 3.738 0.092
-jnb.clearnet.pw 183.3.52.101 2 u 809 1024 377 22.775 5.833 1.378
Mon Jan 26 18:45:41 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (5896GB)
200GB available in /atlas/red...OK (8676GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.6T 5.7T 45% /
admin:/dev/loop0 105M 105M 0 100% /snap/core/17247
admin:/dev/loop1 105M 105M 0 100% /snap/core/17272
archon:/dev/sda2 117G 21G 91G 19% /
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
archon:/dev/loop0 105M 105M 0 100% /snap/core/17247
archon:/dev/loop2 105M 105M 0 100% /snap/core/17272
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 5.1T 8.3T 39% /
proc1:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc1:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc2:/dev/md0p1 15T 1.7T 12T 13% /
proc2:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc2:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc3:/dev/md0p1 15T 733G 13T 6% /
proc3:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc3:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc4:/dev/md0p1 15T 1.1T 13T 8% /
proc4:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc4:/dev/loop2 105M 105M 0 100% /snap/core/17272
Mon Jan 26 18:45:41 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
Mon Jan 26 18:45:41 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Mon Jan 26 18:45:42 SAST 2026 [elapsed=8 sec] SERVICES2
Mon Jan 26 18:45:42 SAST 2026 [elapsed=8 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Jan 26 18:45:46 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= 928kB time=00:00:29.69 bitrate= 256.0kbits/s speed=1.54e+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
Mon Jan 26 18:48:51 SAST 2026 [elapsed=197 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: 36.93 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Mon Jan 26 18:49:50 SAST 2026 [elapsed=256 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Jan 26 18:50:12 SAST 2026 [elapsed=278 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.9 IDLE
Mon Jan 26 18:50:12 SAST 2026 [elapsed=278 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (5 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.6C)
Checking CCD plane: Z0=+1798.00 DZDX=-904.00 DZDY=+4447.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Jan 26 18:50:12 SAST 2026 [elapsed=278 sec] WEATHER
status weather: C W 23.6C 18% 31/37kph@293 DP25.1C/10C/d IDLE
...OK
Mon Jan 26 18:50:13 SAST 2026 [elapsed=279 sec] MET
status...OK
met: c=N o=N Ro22d Cs0 Wo3d Ho3d To27d Do12d wait C IDLE
Mon Jan 26 18:50:13 SAST 2026 [elapsed=279 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Jan 26 18:50:13 SAST 2026 [elapsed=279 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 65.86 -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 -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 -1 -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 404 4.4%
A 0.111s 746 8.1%
A 0.141s 1208 13.2%
A 0.172s 1803 19.7%
A 0.202s 2489 27.2%
A 0.232s 3289 35.9%
A 0.263s 4191 45.8%
A 0.293s 5143 56.2%
A 0.323s 6024 65.8%
A 0.354s 6803 74.3%
A 0.384s 7457 81.5%
A 0.414s 8020 87.6%
A 0.444s 8475 92.6%
A 0.475s 8796 96.1%
A 0.505s 9028 98.6%
A 0.535s 9152 100.0%
B 0.020s 1 0.0%
B 0.051s 91 1.0%
B 0.081s 394 4.3%
B 0.111s 742 8.1%
B 0.142s 1200 13.1%
B 0.172s 1799 19.7%
B 0.202s 2493 27.2%
B 0.232s 3285 35.9%
B 0.263s 4199 45.9%
B 0.293s 5132 56.1%
B 0.323s 6021 65.8%
B 0.353s 6797 74.3%
B 0.384s 7455 81.4%
B 0.414s 8025 87.7%
B 0.444s 8456 92.4%
B 0.474s 8795 96.1%
B 0.505s 9028 98.6%
B 0.535s 9141 99.9%
B 0.565s 9158 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.051s 9047 98.8%
A 0.081s 8759 95.7%
A 0.111s 8402 91.8%
A 0.142s 7952 86.9%
A 0.172s 7350 80.3%
A 0.202s 6669 72.9%
A 0.232s 5869 64.1%
A 0.263s 4952 54.1%
A 0.293s 4014 43.8%
A 0.323s 3168 34.6%
A 0.353s 2352 25.7%
A 0.384s 1691 18.5%
A 0.414s 1134 12.4%
A 0.444s 685 7.5%
A 0.474s 346 3.8%
A 0.505s 126 1.4%
A 0.535s 11 0.1%
A 0.565s -7 0.0%
B 0.020s 9146 99.9%
B 0.050s 9041 98.8%
B 0.081s 8778 95.9%
B 0.111s 8435 92.1%
B 0.141s 7972 87.1%
B 0.172s 7400 80.8%
B 0.202s 6722 73.4%
B 0.232s 5925 64.7%
B 0.262s 5011 54.7%
B 0.293s 4086 44.6%
B 0.323s 3186 34.8%
B 0.353s 2407 26.3%
B 0.384s 1738 19.0%
B 0.414s 1156 12.6%
B 0.444s 710 7.8%
B 0.474s 368 4.0%
B 0.505s 136 1.5%
B 0.535s 13 0.1%
B 0.565s -5 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 100.0 percent in 0.565 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= 991x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9264 IDLE
Mon Jan 26 18:50:50 SAST 2026 [elapsed=316 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.9 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Jan 26 18:51 /atlas/obs/03a/61067/03a61067e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Jan 26 18:51:13 SAST 2026 [elapsed=339 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (56 seconds old)
OTA humidity level...OK (2%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Jan 26 18:51:13 SAST 2026 [elapsed=339 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61066.70224054|info|galildriver|using focus model: foc=9187+(4.30)*23.8+(-0.40)*60.2=9265.2
61066.70224544|info|galildriver|o 2 IN | cass: 3046775 15.23 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54012212 9264 um b=2f [cmd]
bestfocus for o...OK
Mon Jan 26 18:51:14 SAST 2026 [elapsed=340 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Jan 26 18:51:43 SAST 2026 [elapsed=369 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
Mon Jan 26 18:51:45 SAST 2026 [elapsed=370 sec] NOTICES: det_dzdx=-904 is outside range +-250 from -558; det_dzdy=4447 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Mon Jan 26 18:51:45 SAST 2026 [elapsed=371 sec] Happy observing!
Mon Jan 26 18:51:45 SAST 2026 [elapsed=371 sec] Preflight took 371 seconds to complete.
Mon Jan 26 18:51:45 SAST 2026 [elapsed=371 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 124 1.4% A 0.081s 392 4.3% A 0.111s 743 8.1% A 0.141s 1215 13.3% A 0.171s 1801 19.7% A 0.202s 2490 27.2% A 0.232s 3293 36.0% A 0.262s 4205 45.9% A 0.292s 5135 56.1% A 0.322s 6019 65.8% A 0.353s 6779 74.1% A 0.383s 7432 81.2% A 0.413s 8008 87.5% A 0.443s 8458 92.4% A 0.473s 8787 96.0% A 0.504s 9029 98.6% A 0.534s 9139 99.8% A 0.564s 9152 100.0% B 0.020s 0 0.0% B 0.050s 113 1.2% B 0.081s 378 4.1% B 0.111s 728 8.0% B 0.141s 1203 13.1% B 0.171s 1772 19.4% B 0.202s 2466 26.9% B 0.232s 3265 35.7% B 0.262s 4167 45.5% B 0.292s 5103 55.7% B 0.323s 5988 65.4% B 0.353s 6772 74.0% B 0.383s 7438 81.3% B 0.413s 8002 87.4% B 0.443s 8457 92.4% B 0.474s 8795 96.1% B 0.504s 9023 98.6% B 0.534s 9136 99.8% B 0.564s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9154 100.0% A 0.050s 9049 98.9% A 0.081s 8780 95.9% A 0.111s 8428 92.1% A 0.141s 7980 87.2% A 0.171s 7403 80.9% A 0.202s 6715 73.4% A 0.232s 5928 64.8% A 0.262s 5012 54.8% A 0.292s 4071 44.5% A 0.322s 3198 34.9% A 0.352s 2405 26.3% A 0.383s 1735 19.0% A 0.413s 1162 12.7% A 0.443s 705 7.7% A 0.473s 368 4.0% A 0.504s 131 1.4% A 0.534s 17 0.2% A 0.564s 4 0.0% B 0.020s 9144 99.9% B 0.050s 9009 98.4% B 0.081s 8762 95.7% B 0.111s 8407 91.8% B 0.141s 7933 86.7% B 0.171s 7357 80.4% B 0.202s 6665 72.8% B 0.232s 5866 64.1% B 0.262s 4953 54.1% B 0.292s 4020 43.9% B 0.323s 3136 34.3% B 0.353s 2368 25.9% B 0.383s 1686 18.4% B 0.413s 1132 12.4% B 0.444s 687 7.5% B 0.474s 347 3.8% B 0.504s 133 1.5% B 0.534s 13 0.1% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R