STH Recent Preflight: 61049
Executing preflight for 61049 at Thu Jan 8 18:50:47 SAST 2026.
Log can be found in /atlas/obs/03/61049/preflight.dat.
Setting donefile '/atlas/obs/03/61049/preflight_complete.20260108165047.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260108165047.14431.
Thu Jan 8 18:50:47 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Jan 8 18:50:47 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [69dec5e7-35dc-471b-9516-00f80812806d;1800]
Thu Jan 8 18:50:47 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu Jan 8 18:50:49 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Jan 8 18:50:49 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Thu Jan 8 18:50:49 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Thu Jan 8 18:50:49 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1767891043
OK
Thu Jan 8 18:50:49 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Thu Jan 8 18:50:49 SAST 2026 [elapsed=2 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
Thu Jan 8 18:50:50 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
Thu Jan 8 18:50:51 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Thu Jan 8 18:50:51 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Thu Jan 8 16:50:51 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 859 1024 377 1.003 0.046 0.057
*metbox2.sth.atl .PPS. 1 u 366 1024 377 0.308 0.038 0.051
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-146.64.24.58 210.182.58.253 2 u 247 1024 377 24.338 0.736 0.806
+ntp.as3741.net 146.64.58.41 2 u 763 1024 377 22.813 -0.017 1.378
+ntp2.as3741.net 146.64.8.7 2 u 219 1024 377 7.332 0.073 0.177
+ntp2.inx.net.za 183.3.52.101 2 u 632 1024 377 7.276 -0.001 0.076
+102.222.100.153 196.21.187.2 2 u 939 1024 377 7.477 0.038 0.321
-ntp5.inx.net.za 102.176.229.251 2 u 849 1024 377 7.256 0.123 0.082
+flipping.cloudh 80.72.67.48 3 u 867 1024 377 8.139 -0.031 0.101
-102.216.37.99 ( 183.3.52.101 2 u 592 1024 377 73.623 -0.047 0.796
#jnb.clearnet.pw 196.21.187.2 2 u 751 1024 377 22.779 12.325 9.153
Thu Jan 8 18:51:13 SAST 2026 [elapsed=26 sec] DISKS
200GB available in /atlas/obs...OK (6022GB)
200GB available in /atlas/red...OK (8917GB)
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 8.6T 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
Thu Jan 8 18:51:14 SAST 2026 [elapsed=27 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
Thu Jan 8 18:51:14 SAST 2026 [elapsed=27 sec] Disabling mount tracking.
Thu Jan 8 18:51:14 SAST 2026 [elapsed=27 sec] SERVICES2
Thu Jan 8 18:51:14 SAST 2026 [elapsed=27 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Jan 8 18:51:18 SAST 2026 [elapsed=31 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= 930kB time=00:00:29.76 bitrate= 256.0kbits/s speed=1.48e+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
Thu Jan 8 18:53:49 SAST 2026 [elapsed=182 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: 20.43 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Thu Jan 8 18:54:48 SAST 2026 [elapsed=241 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Jan 8 18:55:09 SAST 2026 [elapsed=262 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.0 IDLE
Thu Jan 8 18:55:09 SAST 2026 [elapsed=262 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 (-53.8C)
Checking CCD plane: Z0=+1786.00 DZDX=-900.00 DZDY=+4129.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Jan 8 18:55:09 SAST 2026 [elapsed=262 sec] WEATHER
status weather: W 22.3C 31% 39/46kph@291 DP17.1C/-34C/d IDLE
...OK
Thu Jan 8 18:55:09 SAST 2026 [elapsed=262 sec] MET
status...OK
met: c=N o=Y Ro4d Co1d Wo8d Ho1d To9d Do3d IDLE
Thu Jan 8 18:55:09 SAST 2026 [elapsed=262 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Jan 8 18:55:09 SAST 2026 [elapsed=262 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 49.36 -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 -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 104 1.1%
A 0.081s 394 4.3%
A 0.112s 734 8.0%
A 0.142s 1192 13.0%
A 0.173s 1804 19.7%
A 0.203s 2489 27.2%
A 0.233s 3258 35.6%
A 0.264s 4195 45.8%
A 0.294s 5144 56.2%
A 0.324s 6125 66.9%
A 0.354s 6803 74.3%
A 0.385s 7459 81.5%
A 0.415s 8016 87.6%
A 0.445s 8488 92.7%
A 0.476s 8800 96.1%
A 0.506s 9028 98.6%
A 0.537s 9151 100.0%
B 0.020s 2 0.0%
B 0.051s 106 1.2%
B 0.081s 396 4.3%
B 0.111s 751 8.2%
B 0.142s 1216 13.3%
B 0.172s 1818 19.9%
B 0.203s 2589 28.3%
B 0.233s 3312 36.2%
B 0.263s 4228 46.2%
B 0.294s 5162 56.4%
B 0.324s 6050 66.1%
B 0.354s 6820 74.5%
B 0.385s 7475 81.7%
B 0.415s 8059 88.0%
B 0.446s 8477 92.6%
B 0.476s 8823 96.4%
B 0.507s 9043 98.8%
B 0.537s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.051s 9056 98.9%
A 0.081s 8760 95.7%
A 0.111s 8400 91.8%
A 0.142s 7951 86.9%
A 0.172s 7350 80.3%
A 0.202s 6668 72.8%
A 0.233s 5871 64.1%
A 0.263s 4953 54.1%
A 0.294s 4014 43.8%
A 0.324s 3138 34.3%
A 0.354s 2331 25.5%
A 0.385s 1670 18.2%
A 0.415s 1115 12.2%
A 0.445s 673 7.4%
A 0.476s 336 3.7%
A 0.506s 101 1.1%
A 0.536s 8 0.1%
B 0.020s 9147 99.9%
B 0.050s 9034 98.7%
B 0.081s 8769 95.8%
B 0.111s 8423 92.0%
B 0.141s 7954 86.9%
B 0.172s 7378 80.6%
B 0.202s 6694 73.1%
B 0.232s 5895 64.4%
B 0.263s 4831 52.8%
B 0.293s 4051 44.3%
B 0.323s 3167 34.6%
B 0.353s 2384 26.0%
B 0.384s 1714 18.7%
B 0.414s 1142 12.5%
B 0.444s 696 7.6%
B 0.475s 357 3.9%
B 0.505s 127 1.4%
B 0.535s 13 0.1%
B 0.566s -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 0.537 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 0.566 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=9259 IDLE
Thu Jan 8 18:55:50 SAST 2026 [elapsed=303 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 8 18:56 /atlas/obs/03a/61049/03a61049e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Jan 8 18:56:12 SAST 2026 [elapsed=325 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (85 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Jan 8 18:56:12 SAST 2026 [elapsed=325 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61048.70570820|info|galildriver|using focus model: foc=9187+(4.30)*22.8+(-0.40)*60.2=9260.9
61048.70571311|info|galildriver|o 2 IN | cass: 3047612 15.24 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54011325 9260 um b=2f [cmd]
bestfocus for o...OK
Thu Jan 8 18:56:14 SAST 2026 [elapsed=327 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Jan 8 18:56:44 SAST 2026 [elapsed=357 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
Thu Jan 8 18:56:46 SAST 2026 [elapsed=359 sec] NOTICES: det_dzdx=-900 is outside range +-250 from -558; det_dzdy=4129 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Thu Jan 8 18:56:46 SAST 2026 [elapsed=359 sec] Happy observing!
Thu Jan 8 18:56:46 SAST 2026 [elapsed=359 sec] Preflight took 359 seconds to complete.
Thu Jan 8 18:56:46 SAST 2026 [elapsed=359 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 384 4.2% A 0.111s 728 8.0% A 0.141s 1196 13.1% A 0.171s 1781 19.5% A 0.201s 2464 26.9% A 0.232s 3265 35.7% A 0.262s 4174 45.6% A 0.292s 5107 55.8% A 0.322s 5991 65.4% A 0.353s 6780 74.1% A 0.383s 7432 81.2% A 0.413s 7991 87.3% A 0.443s 8445 92.3% A 0.473s 8778 95.9% A 0.504s 9023 98.6% A 0.534s 9138 99.8% A 0.564s 9153 100.0% B 0.020s -1 -0.0% B 0.050s 112 1.2% B 0.081s 380 4.2% B 0.111s 727 7.9% B 0.141s 1186 13.0% B 0.171s 1752 19.1% B 0.201s 2441 26.7% B 0.232s 3240 35.4% B 0.262s 4136 45.2% B 0.292s 5073 55.4% B 0.322s 5960 65.1% B 0.353s 6748 73.7% B 0.383s 7418 81.0% B 0.413s 7985 87.2% B 0.443s 8444 92.2% B 0.474s 8785 96.0% B 0.504s 9018 98.5% B 0.534s 9136 99.8% B 0.564s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9039 98.7% A 0.081s 8765 95.8% A 0.111s 8424 92.0% A 0.141s 7941 86.7% A 0.171s 7358 80.4% A 0.202s 6687 73.1% A 0.232s 5897 64.4% A 0.262s 4976 54.4% A 0.292s 4039 44.1% A 0.322s 3167 34.6% A 0.353s 2380 26.0% A 0.383s 1717 18.8% A 0.413s 1144 12.5% A 0.443s 694 7.6% A 0.474s 359 3.9% A 0.504s 126 1.4% A 0.534s 16 0.2% A 0.565s 3 0.0% B 0.020s 9144 99.9% B 0.050s 9017 98.5% B 0.081s 8771 95.8% B 0.111s 8422 92.0% B 0.141s 7951 86.9% B 0.171s 7376 80.6% B 0.202s 6688 73.1% B 0.232s 5893 64.4% B 0.262s 4982 54.4% B 0.292s 4052 44.3% B 0.323s 3163 34.6% B 0.353s 2390 26.1% B 0.383s 1706 18.6% B 0.413s 1150 12.6% B 0.444s 700 7.6% B 0.474s 357 3.9% B 0.504s 133 1.5% B 0.534s 14 0.2% B 0.564s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R