STH Recent Preflight: 61050
Executing preflight for 61050 at Fri Jan 9 18:50:40 SAST 2026.
Log can be found in /atlas/obs/03/61050/preflight.dat.
Setting donefile '/atlas/obs/03/61050/preflight_complete.20260109165040.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260109165040.14431.
Fri Jan 9 18:50:40 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jan 9 18:50:40 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [4b321f5d-9a3a-48ad-9cda-25e7b0925aef;1800]
Fri Jan 9 18:50:40 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Jan 9 18:50:41 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Jan 9 18:50:41 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jan 9 18:50:41 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jan 9 18:50:41 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1767977439
OK
Fri Jan 9 18:50:41 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jan 9 18:50:41 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 9 18:50:43 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 9 18:50:44 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Jan 9 18:50:44 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Fri Jan 9 16:50:44 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 237m 1024 0 0.994 -0.079 0.000
*metbox2.sth.atl .PPS. 1 u 241 1024 377 0.272 -0.054 0.034
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 183.3.52.101 2 u 277 1024 377 24.311 -0.127 0.426
+ntp.as3741.net 146.64.58.41 2 u 427 1024 377 22.869 -0.113 0.200
-ntp2.as3741.net 146.64.8.7 2 u 143 1024 377 7.295 0.133 0.057
-ntp2.inx.net.za 196.21.187.2 2 u 693 1024 377 7.237 0.022 0.041
-102.222.100.153 155.232.19.6 2 u 628 1024 377 7.864 0.697 0.344
-ntp5.inx.net.za 183.3.52.101 2 u 816 1024 377 7.206 0.005 0.040
+flipping.cloudh 80.72.67.48 3 u 825 1024 377 8.208 -0.048 0.115
-102.216.37.99 ( 183.3.52.101 2 u 358 1024 377 73.413 -0.048 0.084
-jnb.clearnet.pw 183.3.52.101 2 u 761 1024 377 22.854 -2.663 4.796
Fri Jan 9 18:50:45 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6016GB)
200GB available in /atlas/red...OK (8910GB)
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
Fri Jan 9 18:50:46 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
Fri Jan 9 18:50:46 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Fri Jan 9 18:50:46 SAST 2026 [elapsed=6 sec] SERVICES2
Fri Jan 9 18:50:46 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jan 9 18:50:50 SAST 2026 [elapsed=10 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= 924kB time=00:00:29.56 bitrate= 256.0kbits/s speed=1.44e+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
Fri Jan 9 18:53:23 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: 21.31 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Fri Jan 9 18:54:22 SAST 2026 [elapsed=222 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jan 9 18:54:43 SAST 2026 [elapsed=243 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.0 IDLE
Fri Jan 9 18:54:43 SAST 2026 [elapsed=243 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 (-53.9C)
Checking CCD plane: Z0=+1782.00 DZDX=-900.00 DZDY=+4059.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Jan 9 18:54:43 SAST 2026 [elapsed=243 sec] WEATHER
status weather: C 21.3C 40% 29/39kph@182 DP10.1C/-169C/d IDLE
...OK
Fri Jan 9 18:54:44 SAST 2026 [elapsed=244 sec] MET
status...OK
met: c=N o=Y Ro5d Co2d Wo9d Ho2d To10d Do4d IDLE
Fri Jan 9 18:54:44 SAST 2026 [elapsed=244 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jan 9 18:54:44 SAST 2026 [elapsed=244 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 50.24 -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 2 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 0.051s 118 1.3%
A 0.081s 404 4.4%
A 0.111s 760 8.3%
A 0.142s 1225 13.4%
A 0.172s 1824 19.9%
A 0.202s 2514 27.5%
A 0.233s 3315 36.2%
A 0.263s 4224 46.1%
A 0.293s 5175 56.5%
A 0.324s 6046 66.0%
A 0.354s 6825 74.6%
A 0.384s 7478 81.7%
A 0.414s 8034 87.8%
A 0.445s 8489 92.7%
A 0.476s 8808 96.2%
A 0.506s 9033 98.7%
A 0.536s 9154 100.0%
B 0.020s 1 0.0%
B 0.051s 98 1.1%
B 0.081s 387 4.2%
B 0.112s 726 7.9%
B 0.142s 1216 13.3%
B 0.172s 1799 19.7%
B 0.203s 2489 27.2%
B 0.233s 3285 35.9%
B 0.263s 4198 45.9%
B 0.294s 5134 56.1%
B 0.324s 6103 66.7%
B 0.354s 6797 74.3%
B 0.385s 7454 81.4%
B 0.415s 8026 87.7%
B 0.446s 8478 92.6%
B 0.476s 8815 96.3%
B 0.506s 9033 98.7%
B 0.537s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.051s 9055 98.9%
A 0.081s 8760 95.7%
A 0.111s 8388 91.6%
A 0.142s 7934 86.7%
A 0.172s 7329 80.1%
A 0.203s 6646 72.6%
A 0.233s 5842 63.8%
A 0.263s 4923 53.8%
A 0.294s 3985 43.5%
A 0.324s 3112 34.0%
A 0.354s 2329 25.4%
A 0.385s 1668 18.2%
A 0.415s 1117 12.2%
A 0.445s 661 7.2%
A 0.476s 336 3.7%
A 0.506s 116 1.3%
A 0.536s 7 0.1%
B 0.020s 9146 99.9%
B 0.051s 9033 98.7%
B 0.081s 8760 95.7%
B 0.111s 8411 91.9%
B 0.142s 7939 86.7%
B 0.172s 7357 80.4%
B 0.202s 6671 72.9%
B 0.233s 5868 64.1%
B 0.263s 4953 54.1%
B 0.293s 4022 43.9%
B 0.324s 3138 34.3%
B 0.354s 2360 25.8%
B 0.384s 1694 18.5%
B 0.415s 1125 12.3%
B 0.445s 684 7.5%
B 0.476s 337 3.7%
B 0.506s 122 1.3%
B 0.536s 11 0.1%
B 0.567s -3 0.0%
A 1 0.0mm 15 N F R | B -2 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.536 seconds.
Shutter B opened to 99.9 percent in 0.537 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.0 percent in 0.567 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed= 984x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9257 IDLE
Fri Jan 9 18:55:25 SAST 2026 [elapsed=285 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:
122M Jan 9 18:55 /atlas/obs/03a/61050/03a61050e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jan 9 18:55:47 SAST 2026 [elapsed=307 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (60 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jan 9 18:55:47 SAST 2026 [elapsed=307 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61049.70541432|info|galildriver|using focus model: foc=9187+(4.30)*22.3+(-0.40)*60.2=9258.8
61049.70541921|info|galildriver|o 2 IN | cass: 3047940 15.24 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54010938 9258 um b=2f [cmd]
bestfocus for o...OK
Fri Jan 9 18:55:49 SAST 2026 [elapsed=309 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jan 9 18:56:18 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
Fri Jan 9 18:56:20 SAST 2026 [elapsed=340 sec] NOTICES: det_dzdx=-900 is outside range +-250 from -558; det_dzdy=4059 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 9 18:56:20 SAST 2026 [elapsed=340 sec] Happy observing!
Fri Jan 9 18:56:20 SAST 2026 [elapsed=340 sec] Preflight took 340 seconds to complete.
Fri Jan 9 18:56:20 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 116 1.3% A 0.081s 383 4.2% A 0.111s 731 8.0% A 0.141s 1197 13.1% A 0.172s 1781 19.5% A 0.202s 2466 26.9% A 0.232s 3265 35.7% A 0.262s 4174 45.6% A 0.292s 5107 55.8% A 0.323s 5991 65.4% A 0.353s 6779 74.1% A 0.383s 7432 81.2% A 0.413s 8009 87.5% A 0.443s 8457 92.4% A 0.474s 8777 95.9% A 0.504s 9023 98.6% A 0.534s 9137 99.8% A 0.564s 9151 100.0% B 0.020s 0 0.0% B 0.050s 112 1.2% B 0.081s 380 4.2% B 0.111s 728 8.0% B 0.142s 1202 13.1% B 0.172s 1794 19.6% B 0.203s 2489 27.2% B 0.234s 3293 36.0% B 0.264s 4229 46.2% B 0.295s 5162 56.4% B 0.325s 6042 66.0% B 0.356s 6818 74.5% B 0.386s 7478 81.7% B 0.416s 8034 87.8% B 0.447s 8482 92.7% B 0.477s 8823 96.4% B 0.507s 9038 98.7% B 0.538s 9144 99.9% B 0.569s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9149 99.9% A 0.051s 9039 98.7% A 0.081s 8765 95.8% A 0.112s 8409 91.9% A 0.143s 7941 86.7% A 0.173s 7356 80.4% A 0.204s 6637 72.5% A 0.234s 5840 63.8% A 0.265s 4913 53.7% A 0.295s 3951 43.2% A 0.326s 3084 33.7% A 0.357s 2310 25.2% A 0.387s 1637 17.9% A 0.418s 1077 11.8% A 0.448s 644 7.0% A 0.479s 313 3.4% A 0.509s 98 1.1% A 0.540s 9 0.1% B 0.020s 9143 99.9% B 0.051s 9009 98.4% B 0.081s 8762 95.7% B 0.111s 8408 91.9% B 0.141s 7934 86.7% B 0.172s 7356 80.4% B 0.202s 6664 72.8% B 0.233s 5865 64.1% B 0.263s 4922 53.8% B 0.294s 3993 43.6% B 0.324s 3108 34.0% B 0.355s 2344 25.6% B 0.385s 1646 18.0% B 0.416s 1101 12.0% B 0.446s 662 7.2% B 0.476s 331 3.6% B 0.507s 117 1.3% B 0.537s 10 0.1% B 0.567s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R