STH Recent Preflight: 61059
Executing preflight for 61059 at Sun Jan 18 18:48:57 SAST 2026.
Log can be found in /atlas/obs/03/61059/preflight.dat.
Setting donefile '/atlas/obs/03/61059/preflight_complete.20260118164857.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260118164857.14431.
Sun Jan 18 18:48:57 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Jan 18 18:48:57 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [621d09eb-1ca8-4b3e-bb24-5f56eca99f08;1800]
Sun Jan 18 18:48:57 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun Jan 18 18:48:58 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Jan 18 18:48:58 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sun Jan 18 18:48:58 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Jan 18 18:48:58 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1768754933
OK
Sun Jan 18 18:48:58 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Jan 18 18:48:58 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
Sun Jan 18 18:49:00 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
Sun Jan 18 18:49:00 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Jan 18 18:49:00 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sun Jan 18 16:49:00 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 38m 1024 374 1.056 0.026 0.050
*metbox2.sth.atl .PPS. 1 u 849 1024 377 0.275 -0.008 0.016
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 229.179.94.34 2 u 748 1024 377 24.535 2.347 2.086
-ntp.as3741.net 146.64.58.41 2 u 871 1024 377 22.876 -0.110 0.268
-ntp2.as3741.net 146.64.8.7 2 u 1027 1024 377 7.303 0.104 0.697
-ntp2.inx.net.za 183.3.52.101 2 u 392 1024 377 7.519 0.078 0.145
-102.222.100.153 155.232.19.7 2 u 306 1024 377 7.930 0.547 0.731
-ntp5.inx.net.za 210.182.58.253 2 u 449 1024 377 7.928 0.009 0.595
+flipping.cloudh 80.72.67.48 3 u 598 1024 377 8.120 0.022 0.143
-102.216.37.99 ( 210.182.58.253 2 u 502 1024 377 73.571 0.044 0.068
#jnb.clearnet.pw 196.21.187.2 2 u 213 1024 377 22.753 -7.012 4.716
Sun Jan 18 18:49:03 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6025GB)
200GB available in /atlas/red...OK (8875GB)
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
Sun Jan 18 18:49:03 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
Sun Jan 18 18:49:04 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Sun Jan 18 18:49:04 SAST 2026 [elapsed=7 sec] SERVICES2
Sun Jan 18 18:49:04 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Jan 18 18:49:08 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= 926kB time=00:00:29.63 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
Sun Jan 18 18:51:40 SAST 2026 [elapsed=163 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: 29.74 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Sun Jan 18 18:52:37 SAST 2026 [elapsed=220 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Jan 18 18:52:58 SAST 2026 [elapsed=241 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.1 IDLE
Sun Jan 18 18:52:58 SAST 2026 [elapsed=241 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (9 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.3C)
Checking CCD plane: Z0=+1756.00 DZDX=-897.00 DZDY=+3462.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Jan 18 18:52:58 SAST 2026 [elapsed=241 sec] WEATHER
status weather: clear 18.1C 25% 9/22kph@221 DP18.6C/-54C/d IDLE
...OK
Sun Jan 18 18:52:59 SAST 2026 [elapsed=242 sec] MET
status...OK
met: c=N o=Y Ro14d Co1d Wo20h Ho10h To19d Do4d IDLE
Sun Jan 18 18:52:59 SAST 2026 [elapsed=242 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Jan 18 18:53:00 SAST 2026 [elapsed=243 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 58.67 -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 -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 0.050s 110 1.2%
A 0.081s 392 4.3%
A 0.111s 733 8.0%
A 0.141s 1191 13.0%
A 0.171s 1783 19.5%
A 0.202s 2466 26.9%
A 0.232s 3260 35.6%
A 0.262s 4164 45.5%
A 0.293s 5114 55.9%
A 0.323s 5990 65.4%
A 0.353s 6780 74.1%
A 0.384s 7440 81.3%
A 0.414s 7999 87.4%
A 0.444s 8478 92.6%
A 0.474s 8800 96.1%
A 0.505s 9027 98.6%
A 0.535s 9155 100.0%
B 0.020s 1 0.0%
B 0.051s 96 1.0%
B 0.081s 385 4.2%
B 0.111s 726 7.9%
B 0.141s 1197 13.1%
B 0.172s 1778 19.4%
B 0.202s 2468 27.0%
B 0.232s 3283 35.9%
B 0.263s 4199 45.9%
B 0.293s 5218 57.0%
B 0.323s 6019 65.8%
B 0.354s 6798 74.3%
B 0.384s 7456 81.5%
B 0.414s 8026 87.7%
B 0.444s 8466 92.5%
B 0.475s 8806 96.2%
B 0.505s 9034 98.7%
B 0.535s 9143 99.9%
B 0.565s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9056 98.9%
A 0.081s 8761 95.7%
A 0.111s 8402 91.8%
A 0.141s 7951 86.9%
A 0.172s 7352 80.3%
A 0.202s 6669 72.9%
A 0.232s 5868 64.1%
A 0.263s 4953 54.1%
A 0.293s 4016 43.9%
A 0.323s 3030 33.1%
A 0.353s 2353 25.7%
A 0.384s 1691 18.5%
A 0.414s 1131 12.4%
A 0.444s 687 7.5%
A 0.474s 346 3.8%
A 0.505s 123 1.3%
A 0.535s 11 0.1%
A 0.565s -5 0.0%
B 0.020s 9146 99.9%
B 0.050s 9012 98.4%
B 0.081s 8780 95.9%
B 0.111s 8437 92.2%
B 0.141s 7974 87.1%
B 0.171s 7338 80.2%
B 0.202s 6717 73.4%
B 0.232s 5924 64.7%
B 0.262s 5015 54.8%
B 0.293s 4078 44.5%
B 0.323s 3194 34.9%
B 0.353s 2407 26.3%
B 0.383s 1732 18.9%
B 0.414s 1157 12.6%
B 0.444s 709 7.7%
B 0.474s 365 4.0%
B 0.504s 133 1.5%
B 0.535s 15 0.2%
B 0.565s -4 0.0%
A 0 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=1.13e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9245 IDLE
Sun Jan 18 18:53:41 SAST 2026 [elapsed=284 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.1 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Jan 18 18:53 /atlas/obs/03a/61059/03a61059e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Jan 18 18:54:03 SAST 2026 [elapsed=306 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (46 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Jan 18 18:54:03 SAST 2026 [elapsed=306 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61058.70421388|info|galildriver|using focus model: foc=9187+(4.30)*19.2+(-0.40)*60.2=9245.5
61058.70421879|info|galildriver|o 2 IN | cass: 3050051 15.25 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54008464 9245 um b=2f [cmd]
bestfocus for o...OK
Sun Jan 18 18:54:05 SAST 2026 [elapsed=308 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Jan 18 18:54:35 SAST 2026 [elapsed=338 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
Sun Jan 18 18:54:37 SAST 2026 [elapsed=340 sec] NOTICES: det_dzdx=-897 is outside range +-250 from -558; det_dzdy=3462 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sun Jan 18 18:54:37 SAST 2026 [elapsed=340 sec] Happy observing!
Sun Jan 18 18:54:37 SAST 2026 [elapsed=340 sec] Preflight took 340 seconds to complete.
Sun Jan 18 18:54:37 SAST 2026 [elapsed=340 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