STH Recent Preflight: 61058
Executing preflight for 61058 at Sat Jan 17 18:49:14 SAST 2026.
Log can be found in /atlas/obs/03/61058/preflight.dat.
Setting donefile '/atlas/obs/03/61058/preflight_complete.20260117164914.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260117164914.14431.
Sat Jan 17 18:49:14 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Jan 17 18:49:14 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [c9910554-632d-4b37-a9ca-0bacc4e4b1d7;1800]
Sat Jan 17 18:49:14 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat Jan 17 18:49:15 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Jan 17 18:49:15 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sat Jan 17 18:49:15 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Jan 17 18:49:15 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1768668547
OK
Sat Jan 17 18:49:15 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Jan 17 18:49:15 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
Sat Jan 17 18:49:17 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
Sat Jan 17 18:49:18 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Jan 17 18:49:18 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Sat Jan 17 16:49:18 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 119m 1024 300 1.104 -0.016 0.054
*metbox2.sth.atl .PPS. 1 u - 1024 377 0.317 -0.057 0.052
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 183.3.52.101 2 u 1022 1024 377 24.359 0.082 0.467
+ntp.as3741.net 146.64.58.41 2 u 844 1024 377 22.822 -0.082 0.193
-ntp2.as3741.net 146.64.8.7 2 u 63 1024 377 7.311 0.053 0.096
-ntp2.inx.net.za 210.182.58.253 2 u 709 1024 377 7.937 0.205 0.124
-102.222.100.153 155.232.19.6 2 u 572 1024 377 7.916 0.812 0.131
-ntp5.inx.net.za 196.21.187.2 2 u 784 1024 377 7.894 0.062 0.216
+flipping.cloudh 80.72.67.48 3 u 833 1024 377 7.465 -0.138 0.094
-102.216.37.99 ( 210.182.58.253 2 u 633 1024 377 73.623 0.002 0.040
#jnb.clearnet.pw 183.3.52.101 2 u 421 1024 377 22.884 3.138 5.161
Sat Jan 17 18:49:20 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6008GB)
200GB available in /atlas/red...OK (8902GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.5T 5.8T 44% /
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 4.9T 8.5T 37% /
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
Sat Jan 17 18:49:20 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
Sat Jan 17 18:49:20 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Sat Jan 17 18:49:20 SAST 2026 [elapsed=6 sec] SERVICES2
Sat Jan 17 18:49:20 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Jan 17 18:49:25 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= 922kB time=00:00:29.50 bitrate= 256.0kbits/s speed=1.52e+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
Sat Jan 17 18:52:39 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: 29.01 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Sat Jan 17 18:53:37 SAST 2026 [elapsed=263 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Jan 17 18:53:58 SAST 2026 [elapsed=284 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Sat Jan 17 18:53:58 SAST 2026 [elapsed=284 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 (-54.1C)
Checking CCD plane: Z0=+1767.00 DZDX=-900.00 DZDY=+3689.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Jan 17 18:53:58 SAST 2026 [elapsed=284 sec] WEATHER
status weather: W 18.2C 26% 36/51kph@301 DP18.6C/-15C/d IDLE
...OK
Sat Jan 17 18:53:58 SAST 2026 [elapsed=284 sec] MET
status...OK
met: c=N o=N Ro13d Co10h Ws0 Ho10h To18d Do3d wait W IDLE
Sat Jan 17 18:53:58 SAST 2026 [elapsed=284 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Jan 17 18:54:00 SAST 2026 [elapsed=286 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 57.93 -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 -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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 9 0.1%
A 0.050s 110 1.2%
A 0.081s 393 4.3%
A 0.111s 733 8.0%
A 0.141s 1173 12.8%
A 0.171s 1783 19.5%
A 0.202s 2465 26.9%
A 0.232s 3260 35.6%
A 0.262s 4163 45.5%
A 0.293s 5116 55.9%
A 0.323s 5990 65.4%
A 0.353s 6780 74.1%
A 0.383s 7420 81.1%
A 0.413s 7982 87.2%
A 0.444s 8452 92.3%
A 0.474s 8782 95.9%
A 0.504s 9014 98.5%
A 0.534s 9150 100.0%
B 0.020s 2 0.0%
B 0.050s 106 1.2%
B 0.081s 395 4.3%
B 0.111s 739 8.1%
B 0.141s 1216 13.3%
B 0.172s 1796 19.6%
B 0.202s 2491 27.2%
B 0.232s 3259 35.6%
B 0.262s 4199 45.9%
B 0.293s 5104 55.8%
B 0.323s 6020 65.8%
B 0.353s 6798 74.3%
B 0.384s 7455 81.4%
B 0.414s 8025 87.7%
B 0.444s 8467 92.5%
B 0.474s 8805 96.2%
B 0.505s 9033 98.7%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9061 99.0%
A 0.081s 8772 95.8%
A 0.111s 8415 91.9%
A 0.141s 7966 87.0%
A 0.171s 7372 80.5%
A 0.202s 6693 73.1%
A 0.232s 5895 64.4%
A 0.262s 4984 54.4%
A 0.292s 4046 44.2%
A 0.323s 3164 34.6%
A 0.353s 2377 26.0%
A 0.383s 1651 18.0%
A 0.414s 1146 12.5%
A 0.444s 699 7.6%
A 0.474s 355 3.9%
A 0.504s 129 1.4%
A 0.535s 12 0.1%
A 0.565s -7 0.0%
B 0.020s 9146 99.9%
B 0.051s 9033 98.7%
B 0.081s 8771 95.8%
B 0.111s 8357 91.3%
B 0.141s 7939 86.7%
B 0.172s 7359 80.4%
B 0.202s 6694 73.1%
B 0.232s 5841 63.8%
B 0.263s 4984 54.4%
B 0.293s 4022 43.9%
B 0.323s 3139 34.3%
B 0.353s 2361 25.8%
B 0.384s 1713 18.7%
B 0.414s 1140 12.5%
B 0.444s 697 7.6%
B 0.474s 355 3.9%
B 0.504s 128 1.4%
B 0.535s 13 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 0.534 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= 993x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9249 IDLE
Sat Jan 17 18:54:40 SAST 2026 [elapsed=326 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:
126M Jan 17 18:54 /atlas/obs/03a/61058/03a61058e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Jan 17 18:55:02 SAST 2026 [elapsed=348 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (15 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Jan 17 18:55:02 SAST 2026 [elapsed=348 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61057.70489765|info|galildriver|using focus model: foc=9187+(4.30)*20.2+(-0.40)*60.2=9249.8
61057.70490254|info|galildriver|o 2 IN | cass: 3049637 15.25 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54009331 9250 um b=2f [cmd]
bestfocus for o...OK
Sat Jan 17 18:55:04 SAST 2026 [elapsed=350 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Jan 17 18:55:34 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
Sat Jan 17 18:55:35 SAST 2026 [elapsed=381 sec] NOTICES: det_dzdx=-900 is outside range +-250 from -558; det_dzdy=3689 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sat Jan 17 18:55:35 SAST 2026 [elapsed=381 sec] Happy observing!
Sat Jan 17 18:55:35 SAST 2026 [elapsed=381 sec] Preflight took 381 seconds to complete.
Sat Jan 17 18:55:35 SAST 2026 [elapsed=381 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 117 1.3% A 0.081s 382 4.2% A 0.111s 731 8.0% A 0.141s 1197 13.1% A 0.171s 1779 19.4% A 0.202s 2465 26.9% A 0.232s 3265 35.7% A 0.262s 4175 45.6% A 0.292s 5107 55.8% A 0.323s 5992 65.5% A 0.353s 6779 74.1% A 0.383s 7431 81.2% A 0.413s 8008 87.5% A 0.443s 8459 92.4% A 0.474s 8788 96.0% A 0.504s 9024 98.6% A 0.534s 9138 99.8% A 0.564s 9152 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 379 4.1% B 0.111s 728 8.0% B 0.141s 1186 13.0% B 0.171s 1753 19.2% B 0.201s 2443 26.7% B 0.232s 3242 35.4% B 0.262s 4137 45.2% B 0.292s 5074 55.4% B 0.322s 5959 65.1% B 0.353s 6749 73.7% B 0.383s 7421 81.1% B 0.413s 7985 87.2% B 0.443s 8443 92.2% B 0.474s 8786 96.0% B 0.504s 9017 98.5% B 0.534s 9136 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9154 100.0% A 0.050s 9057 98.9% A 0.081s 8793 96.1% A 0.111s 8442 92.2% A 0.141s 7983 87.2% A 0.171s 7406 80.9% A 0.202s 6716 73.4% A 0.232s 5931 64.8% A 0.262s 5012 54.8% A 0.292s 4073 44.5% A 0.323s 3200 35.0% A 0.353s 2404 26.3% A 0.383s 1735 19.0% A 0.413s 1162 12.7% A 0.444s 704 7.7% A 0.474s 369 4.0% A 0.504s 131 1.4% A 0.534s 18 0.2% A 0.565s 3 0.0% B 0.020s 9142 99.9% B 0.050s 9011 98.4% B 0.081s 8762 95.7% B 0.111s 8408 91.9% B 0.141s 7935 86.7% B 0.171s 7358 80.4% B 0.202s 6664 72.8% B 0.232s 5864 64.1% B 0.262s 4951 54.1% B 0.292s 4023 43.9% B 0.323s 3138 34.3% B 0.353s 2369 25.9% B 0.383s 1702 18.6% B 0.413s 1132 12.4% B 0.444s 687 7.5% B 0.474s 357 3.9% B 0.504s 133 1.5% B 0.534s 15 0.2% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R