STH Recent Preflight: 61069
Executing preflight for 61069 at Wed Jan 28 18:44:24 SAST 2026.
Log can be found in /atlas/obs/03/61069/preflight.dat.
Setting donefile '/atlas/obs/03/61069/preflight_complete.20260128164424.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260128164424.14431.
Wed Jan 28 18:44:24 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Jan 28 18:44:24 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [88c69f9d-7aea-43d6-89f5-6ff5d9e60633;1800]
Wed Jan 28 18:44:24 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Wed Jan 28 18:44:25 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Jan 28 18:44:25 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Wed Jan 28 18:44:25 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Jan 28 18:44:25 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1769618665
OK
Wed Jan 28 18:44:25 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Jan 28 18:44:25 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
Wed Jan 28 18:44:27 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
Wed Jan 28 18:44:27 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Wed Jan 28 18:44:27 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Wed Jan 28 16:44:27 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 94m 1024 340 0.983 0.261 0.233
*metbox2.sth.atl .PPS. 1 u 877 1024 377 0.265 0.335 0.112
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 101 1024 377 24.390 0.542 0.606
-ntp.as3741.net 146.64.58.41 2 u 718 1024 377 22.982 0.502 2.956
+ntp2.as3741.net 146.64.8.7 2 u 243 1024 377 7.218 0.338 0.111
-ntp2.inx.net.za 183.3.52.101 2 u 210 1024 377 7.910 0.592 0.158
-102.222.100.153 155.232.19.6 2 u 951 1024 377 7.920 0.364 0.360
-ntp5.inx.net.za 183.3.52.101 2 u 854 1024 377 8.053 0.389 0.112
+flipping.cloudh 80.72.67.48 3 u 303 1024 377 8.189 0.219 0.197
#102.216.37.99 ( 210.182.58.253 2 u 25 1024 377 73.669 -0.954 1.343
-jnb.clearnet.pw 196.21.187.2 2 u 280 1024 377 22.832 0.706 0.374
Wed Jan 28 18:44:30 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (5872GB)
200GB available in /atlas/red...OK (8669GB)
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 5.1T 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
Wed Jan 28 18:44:31 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
Wed Jan 28 18:44:31 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Wed Jan 28 18:44:31 SAST 2026 [elapsed=7 sec] SERVICES2
Wed Jan 28 18:44:31 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Jan 28 18:44:35 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= 928kB time=00:00:29.69 bitrate= 256.0kbits/s speed=1.49e+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
Wed Jan 28 18:47:48 SAST 2026 [elapsed=204 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: 38.64 -29.49, az/alt=324.69 +86.49 idle(e) IDLE
Wed Jan 28 18:48:46 SAST 2026 [elapsed=262 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Jan 28 18:49:07 SAST 2026 [elapsed=283 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.4 IDLE
Wed Jan 28 18:49:07 SAST 2026 [elapsed=283 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (3 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.6C)
Checking CCD plane: Z0=+1797.00 DZDX=-904.00 DZDY=+4406.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Jan 28 18:49:07 SAST 2026 [elapsed=283 sec] WEATHER
status weather: clear 24.6C 15% 18/25kph@298 DP29.0C/33C/d IDLE
...OK
Wed Jan 28 18:49:08 SAST 2026 [elapsed=284 sec] MET
status...OK
met: c=N o=Y Ro24d Co1d Wo5d Ho11h To29d Do14d IDLE
Wed Jan 28 18:49:08 SAST 2026 [elapsed=284 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Jan 28 18:49:08 SAST 2026 [elapsed=284 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 67.56 -14.63, az/alt=59.89 +60.06 tracking(w) IDLE 0s
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 110 1.2%
A 0.081s 395 4.3%
A 0.111s 734 8.0%
A 0.142s 1190 13.0%
A 0.172s 1784 19.5%
A 0.202s 2465 26.9%
A 0.233s 3260 35.6%
A 0.263s 4164 45.5%
A 0.293s 5114 55.9%
A 0.323s 5991 65.4%
A 0.354s 6779 74.1%
A 0.384s 7438 81.3%
A 0.414s 8001 87.4%
A 0.444s 8465 92.5%
A 0.475s 8789 96.0%
A 0.505s 9023 98.6%
A 0.535s 9149 99.9%
B 0.020s 0 0.0%
B 0.050s 97 1.1%
B 0.081s 388 4.2%
B 0.111s 727 7.9%
B 0.141s 1182 12.9%
B 0.172s 1778 19.4%
B 0.202s 2466 26.9%
B 0.232s 3260 35.6%
B 0.263s 4167 45.5%
B 0.293s 5103 55.7%
B 0.323s 5991 65.4%
B 0.353s 6775 74.0%
B 0.384s 7435 81.2%
B 0.414s 8010 87.5%
B 0.444s 8455 92.4%
B 0.475s 8796 96.1%
B 0.505s 9027 98.6%
B 0.535s 9142 99.9%
B 0.565s 9158 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9062 99.0%
A 0.081s 8771 95.8%
A 0.111s 8414 91.9%
A 0.141s 7968 87.0%
A 0.172s 7371 80.5%
A 0.202s 6692 73.1%
A 0.232s 5897 64.4%
A 0.262s 4981 54.4%
A 0.293s 4043 44.2%
A 0.323s 3168 34.6%
A 0.353s 2375 25.9%
A 0.384s 1711 18.7%
A 0.414s 1149 12.6%
A 0.444s 697 7.6%
A 0.474s 356 3.9%
A 0.505s 131 1.4%
A 0.536s 11 0.1%
A 0.566s -6 0.0%
B 0.020s 9147 99.9%
B 0.051s 9031 98.7%
B 0.081s 8769 95.8%
B 0.111s 8423 92.0%
B 0.141s 7955 86.9%
B 0.172s 7378 80.6%
B 0.202s 6695 73.1%
B 0.232s 5896 64.4%
B 0.263s 4984 54.4%
B 0.293s 4050 44.2%
B 0.323s 3166 34.6%
B 0.354s 2384 26.0%
B 0.384s 1715 18.7%
B 0.414s 1140 12.5%
B 0.444s 697 7.6%
B 0.475s 355 3.9%
B 0.505s 129 1.4%
B 0.535s 14 0.2%
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 99.9 percent in 0.535 seconds.
Shutter B opened to 100.0 percent in 0.565 seconds.
Shutter A closed to 0.0 percent in 0.566 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=1e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9265 IDLE
Wed Jan 28 18:49:50 SAST 2026 [elapsed=326 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.4 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Jan 28 18:50 /atlas/obs/03a/61069/03a61069e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Jan 28 18:50:12 SAST 2026 [elapsed=348 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (85 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Jan 28 18:50:12 SAST 2026 [elapsed=348 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61068.70154204|info|galildriver|using focus model: foc=9187+(4.30)*24.2+(-0.40)*60.2=9267.0
61068.70154694|info|galildriver|o 2 IN | cass: 3046218 15.23 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54012567 9266 um b=2f [cmd]
bestfocus for o...OK
Wed Jan 28 18:50:14 SAST 2026 [elapsed=350 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Jan 28 18:50:44 SAST 2026 [elapsed=380 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
Wed Jan 28 18:50:46 SAST 2026 [elapsed=382 sec] NOTICES: det_dzdx=-904 is outside range +-250 from -558; det_dzdy=4406 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Wed Jan 28 18:50:46 SAST 2026 [elapsed=382 sec] Happy observing!
Wed Jan 28 18:50:46 SAST 2026 [elapsed=382 sec] Preflight took 382 seconds to complete.
Wed Jan 28 18:50:46 SAST 2026 [elapsed=382 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 0.051s 114 1.2% A 0.081s 384 4.2% A 0.111s 731 8.0% A 0.141s 1198 13.1% A 0.172s 1781 19.5% A 0.202s 2466 26.9% A 0.232s 3265 35.7% A 0.262s 4173 45.6% A 0.292s 5107 55.8% A 0.323s 5992 65.5% A 0.353s 6779 74.1% A 0.383s 7432 81.2% A 0.413s 8009 87.5% A 0.444s 8457 92.4% A 0.474s 8787 96.0% A 0.504s 9029 98.6% A 0.534s 9138 99.8% A 0.565s 9151 100.0% B 0.020s 0 0.0% B 0.051s 112 1.2% B 0.081s 380 4.2% B 0.111s 728 8.0% B 0.141s 1202 13.1% B 0.172s 1773 19.4% B 0.202s 2465 26.9% B 0.232s 3267 35.7% B 0.262s 4167 45.5% B 0.292s 5103 55.7% B 0.323s 5960 65.1% B 0.353s 6771 74.0% B 0.383s 7419 81.0% B 0.413s 8001 87.4% B 0.444s 8456 92.4% B 0.474s 8795 96.1% B 0.504s 9017 98.5% B 0.534s 9138 99.8% B 0.565s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.051s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8426 92.0% A 0.141s 7978 87.2% A 0.171s 7401 80.8% A 0.202s 6713 73.3% A 0.232s 5926 64.7% A 0.262s 5009 54.7% A 0.292s 4070 44.5% A 0.322s 3197 34.9% A 0.353s 2403 26.3% A 0.383s 1735 19.0% A 0.413s 1163 12.7% A 0.443s 704 7.7% A 0.474s 369 4.0% A 0.504s 131 1.4% A 0.534s 16 0.2% A 0.564s 3 0.0% B 0.020s 9143 99.9% B 0.050s 9008 98.4% B 0.081s 8760 95.7% B 0.111s 8407 91.8% B 0.141s 7933 86.7% B 0.171s 7355 80.3% B 0.201s 6663 72.8% B 0.232s 5892 64.4% B 0.262s 4982 54.4% B 0.292s 4053 44.3% B 0.322s 3160 34.5% B 0.352s 2392 26.1% B 0.383s 1706 18.6% B 0.413s 1148 12.5% B 0.443s 700 7.6% B 0.473s 356 3.9% B 0.504s 132 1.4% B 0.534s 15 0.2% B 0.564s 2 0.0% A -1 -0.0mm 15 N F R | B 2 0.1mm 15 N F R