STH Recent Preflight: 61071
Executing preflight for 61071 at Fri Jan 30 18:43:07 SAST 2026.
Log can be found in /atlas/obs/03/61071/preflight.dat.
Setting donefile '/atlas/obs/03/61071/preflight_complete.20260130164307.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260130164307.14431.
Fri Jan 30 18:43:07 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jan 30 18:43:07 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [d750381d-20ad-47ff-b3ca-be1edf847827;1800]
Fri Jan 30 18:43:07 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Jan 30 18:43:08 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Jan 30 18:43:08 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jan 30 18:43:08 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jan 30 18:43:08 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1769791387
OK
Fri Jan 30 18:43:08 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jan 30 18:43:08 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 Jan 30 18:43:10 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 Jan 30 18:43:11 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Fri Jan 30 18:43:11 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Fri Jan 30 16:43:11 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 893 1024 377 1.043 0.161 0.964
+metbox2.sth.atl .PPS. 1 u 300 1024 377 0.298 0.123 0.081
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 196.21.187.2 2 u 970 1024 377 24.555 0.712 0.593
+ntp.as3741.net 146.64.58.41 2 u 524 1024 377 22.862 0.046 1.367
+ntp2.as3741.net 146.64.8.7 2 u 873 1024 377 7.378 0.197 0.271
-ntp2.inx.net.za 183.3.52.101 2 u 998 1024 377 7.932 0.404 0.251
#102.222.100.153 155.232.19.7 2 u 878 1024 377 7.755 3.326 2.610
+ntp5.inx.net.za 183.3.52.101 2 u 513 1024 377 7.900 0.171 0.095
+flipping.cloudh 80.72.67.48 3 u 835 1024 377 8.119 0.234 0.214
+102.216.37.99 ( 210.182.58.253 2 u 697 1024 377 73.642 0.185 0.252
-jnb.clearnet.pw 196.21.187.2 2 u 693 1024 357 22.914 0.456 0.634
Fri Jan 30 18:43:15 SAST 2026 [elapsed=8 sec] DISKS
200GB available in /atlas/obs...OK (5790GB)
200GB available in /atlas/red...OK (8640GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.7T 5.6T 46% /
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 5.2T 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
Fri Jan 30 18:43:15 SAST 2026 [elapsed=8 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 Jan 30 18:43:16 SAST 2026 [elapsed=9 sec] Disabling mount tracking.
Fri Jan 30 18:43:16 SAST 2026 [elapsed=9 sec] SERVICES2
Fri Jan 30 18:43:16 SAST 2026 [elapsed=9 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jan 30 18:43:20 SAST 2026 [elapsed=13 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= 936kB time=00:00:29.95 bitrate= 256.0kbits/s speed=1.47e+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/OPEN (0%) IDLE
Fri Jan 30 18:45:51 SAST 2026 [elapsed=164 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: 40.12 -29.49, az/alt=324.65 +86.49 idle(e) IDLE
Fri Jan 30 18:46:49 SAST 2026 [elapsed=222 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jan 30 18:47:11 SAST 2026 [elapsed=244 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.0 IDLE
Fri Jan 30 18:47:11 SAST 2026 [elapsed=244 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 (-53.5C)
Checking CCD plane: Z0=+1806.00 DZDX=-911.00 DZDY=+4636.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Jan 30 18:47:11 SAST 2026 [elapsed=244 sec] WEATHER
status weather: W 26.8C 20% 39/43kph@277 DP25.8C/21C/d IDLE
...OK
Fri Jan 30 18:47:12 SAST 2026 [elapsed=245 sec] MET
status...OK
met: c=N o=Y Ro26d Co1d Wo7d Ho1d To31d Do18h IDLE
Fri Jan 30 18:47:12 SAST 2026 [elapsed=245 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jan 30 18:47:12 SAST 2026 [elapsed=245 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 69.04 -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 -1 -0.0mm 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 118 1.3%
A 0.081s 406 4.4%
A 0.111s 746 8.1%
A 0.142s 1208 13.2%
A 0.172s 1806 19.7%
A 0.202s 2489 27.2%
A 0.232s 3287 35.9%
A 0.263s 4195 45.8%
A 0.293s 5146 56.2%
A 0.323s 6017 65.7%
A 0.354s 6801 74.3%
A 0.384s 7459 81.5%
A 0.414s 8017 87.6%
A 0.445s 8476 92.6%
A 0.475s 8799 96.1%
A 0.505s 9028 98.6%
A 0.535s 9151 100.0%
B 0.020s 2 0.0%
B 0.050s 105 1.1%
B 0.081s 398 4.3%
B 0.111s 741 8.1%
B 0.141s 1216 13.3%
B 0.172s 1798 19.6%
B 0.202s 2489 27.2%
B 0.232s 3286 35.9%
B 0.262s 4199 45.9%
B 0.292s 5104 55.8%
B 0.323s 6020 65.8%
B 0.353s 6797 74.3%
B 0.383s 7456 81.5%
B 0.414s 8025 87.7%
B 0.444s 8466 92.5%
B 0.474s 8805 96.2%
B 0.504s 9032 98.7%
B 0.535s 9143 99.9%
B 0.565s 9159 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9148 99.9%
A 0.051s 9054 98.9%
A 0.081s 8759 95.7%
A 0.111s 8338 91.1%
A 0.141s 7950 86.8%
A 0.172s 7351 80.3%
A 0.202s 6669 72.9%
A 0.232s 5813 63.5%
A 0.262s 4953 54.1%
A 0.293s 4013 43.8%
A 0.323s 3139 34.3%
A 0.353s 2352 25.7%
A 0.384s 1690 18.5%
A 0.414s 1134 12.4%
A 0.444s 685 7.5%
A 0.474s 345 3.8%
A 0.505s 126 1.4%
A 0.535s 12 0.1%
A 0.565s -6 0.0%
B 0.020s 9146 99.9%
B 0.050s 9031 98.7%
B 0.081s 8748 95.6%
B 0.111s 8422 92.0%
B 0.141s 7971 87.1%
B 0.171s 7379 80.6%
B 0.202s 6716 73.4%
B 0.232s 5896 64.4%
B 0.262s 4984 54.4%
B 0.293s 4050 44.2%
B 0.323s 3167 34.6%
B 0.353s 2383 26.0%
B 0.383s 1716 18.7%
B 0.414s 1140 12.5%
B 0.444s 698 7.6%
B 0.474s 356 3.9%
B 0.504s 128 1.4%
B 0.535s 15 0.2%
B 0.565s -3 0.0%
A 1 0.0mm 15 N F R | B -3 -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=1.04e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9272 IDLE
Fri Jan 30 18:47:54 SAST 2026 [elapsed=287 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.0 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Jan 30 18:48 /atlas/obs/03a/61071/03a61071e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jan 30 18:48:16 SAST 2026 [elapsed=309 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (59 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jan 30 18:48:16 SAST 2026 [elapsed=309 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61070.70019796|info|galildriver|using focus model: foc=9187+(4.30)*25.7+(-0.40)*60.2=9273.4
61070.70020287|info|galildriver|o 2 IN | cass: 3044907 15.22 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54013824 9272 um b=2f [cmd]
bestfocus for o...OK
Fri Jan 30 18:48:17 SAST 2026 [elapsed=310 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jan 30 18:48:47 SAST 2026 [elapsed=340 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 Jan 30 18:48:48 SAST 2026 [elapsed=341 sec] NOTICES: det_dzdx=-911 is outside range +-250 from -558; det_dzdy=4636 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 Jan 30 18:48:48 SAST 2026 [elapsed=341 sec] Happy observing!
Fri Jan 30 18:48:48 SAST 2026 [elapsed=341 sec] Preflight took 341 seconds to complete.
Fri Jan 30 18:48:48 SAST 2026 [elapsed=341 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 0.051s 115 1.3% A 0.082s 393 4.3% A 0.112s 744 8.1% A 0.143s 1215 13.3% A 0.173s 1801 19.7% A 0.204s 2489 27.2% A 0.234s 3322 36.3% A 0.264s 4235 46.3% A 0.295s 5165 56.4% A 0.325s 6045 66.0% A 0.355s 6825 74.6% A 0.386s 7472 81.6% A 0.416s 8042 87.9% A 0.446s 8482 92.7% A 0.477s 8806 96.2% A 0.507s 9039 98.7% A 0.537s 9142 99.9% A 0.568s 9151 100.0% B 0.020s 0 0.0% B 0.051s 120 1.3% B 0.081s 388 4.2% B 0.112s 742 8.1% B 0.142s 1236 13.5% B 0.173s 1814 19.8% B 0.203s 2514 27.5% B 0.234s 3321 36.3% B 0.264s 4258 46.5% B 0.295s 5191 56.7% B 0.325s 6067 66.3% B 0.355s 6840 74.7% B 0.386s 7498 81.9% B 0.416s 8051 88.0% B 0.447s 8494 92.8% B 0.477s 8828 96.4% B 0.508s 9043 98.8% B 0.538s 9144 99.9% B 0.569s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9156 100.0% A 0.051s 9052 98.9% A 0.082s 8782 95.9% A 0.112s 8414 91.9% A 0.142s 7949 86.8% A 0.173s 7364 80.4% A 0.203s 6670 72.9% A 0.233s 5875 64.2% A 0.264s 4951 54.1% A 0.295s 4015 43.9% A 0.325s 3118 34.1% A 0.355s 2335 25.5% A 0.386s 1676 18.3% A 0.416s 1112 12.1% A 0.446s 667 7.3% A 0.477s 342 3.7% A 0.507s 114 1.2% A 0.538s 11 0.1% A 0.568s 3 0.0% B 0.020s 9148 99.9% B 0.051s 9019 98.5% B 0.081s 8769 95.8% B 0.112s 8407 91.8% B 0.143s 7932 86.7% B 0.173s 7356 80.4% B 0.203s 6663 72.8% B 0.234s 5865 64.1% B 0.264s 4921 53.8% B 0.295s 3993 43.6% B 0.325s 3109 34.0% B 0.356s 2345 25.6% B 0.386s 1666 18.2% B 0.416s 1116 12.2% B 0.447s 674 7.4% B 0.477s 330 3.6% B 0.508s 117 1.3% B 0.538s 10 0.1% B 0.568s 2 0.0% A -1 -0.0mm 15 N F R | B 2 0.1mm 15 N F R