STH Recent Preflight: 61360
Executing preflight for 61360 at Sun Nov 15 18:17:40 SAST 2026.
Log can be found in /atlas/obs/03/61360/preflight.dat.
Setting donefile '/atlas/obs/03/61360/preflight_complete.20261115161740.7970' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261115161740.7970.
Sun Nov 15 18:17:40 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Nov 15 18:17:40 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [6b5e5593-cd93-46e4-8d66-f535a8bd049e;1800]
Sun Nov 15 18:17:40 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun Nov 15 18:17:42 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Nov 15 18:17:42 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Sun Nov 15 18:17:42 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Sun Nov 15 18:17:42 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1794759457
OK
Sun Nov 15 18:17:42 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Sun Nov 15 18:17:42 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
Sun Nov 15 18:17:43 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
Sun Nov 15 18:17:44 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Sun Nov 15 18:17:44 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Sun Nov 15 16:17:44 UTC 2026
metbox: 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 1275 1024 56 1.045 0.194 0.246
+metbox2.sth.atl .PPS. 1 u 253 1024 377 0.321 0.155 0.110
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 769 1024 377 23.228 1.167 0.197
+ntp.as3741.net 146.64.58.41 2 u 559 1024 377 27.132 2.264 3.066
+ntp2.as3741.net 129.134.28.123 2 u 1013 1024 377 7.216 0.046 0.159
+ntp2.inx.net.za 210.182.58.253 2 u 69 1024 377 7.434 0.443 0.747
+ntp2.nog.net.za 80.72.67.48 3 u 351 1024 377 7.559 0.267 0.150
+139.84.231.68 ( 196.21.187.2 2 u 32 1024 377 22.894 0.409 0.183
-ntp7.inx.net.za 102.176.229.251 2 u 203 1024 377 16.394 0.125 0.236
+tick.sanren.ac. .TC. 1 u 429 1024 377 23.270 0.293 0.145
Sun Nov 15 18:17:48 SAST 2026 [elapsed=8 sec] DISKS
200GB available in /atlas/obs...OK (6123GB)
200GB available in /atlas/red...OK (8683GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.4T 5.9T 43% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
admin:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/sda2 117G 22G 89G 20% /
archon:/dev/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
tcs:/dev/mapper/ubuntu--vg-ubuntu--lv 98G 38G 56G 41% /
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 38% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.8T 12T 13% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc3:/dev/md0p1 15T 739G 13T 6% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc4:/dev/md0p1 15T 1.1T 13T 8% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Sun Nov 15 18:17:48 SAST 2026 [elapsed=8 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 Nov 15 18:17:48 SAST 2026 [elapsed=8 sec] Disabling mount tracking.
Sun Nov 15 18:17:48 SAST 2026 [elapsed=8 sec] SERVICES2
Sun Nov 15 18:17:48 SAST 2026 [elapsed=8 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Nov 15 18:17:52 SAST 2026 [elapsed=12 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=1.45e+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 Nov 15 18:21:09 SAST 2026 [elapsed=209 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: 318.76 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Sun Nov 15 18:22:00 SAST 2026 [elapsed=260 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Nov 15 18:22:19 SAST 2026 [elapsed=279 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Sun Nov 15 18:22:19 SAST 2026 [elapsed=279 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 (-53.9C)
Checking CCD plane: Z0=+1767.00 DZDX=-927.00 DZDY=+3705.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Nov 15 18:22:19 SAST 2026 [elapsed=279 sec] WEATHER
status weather: clear 20.6C 27% 19/27kph@277 DP18.8C/-15C/d IDLE
...OK
Sun Nov 15 18:22:20 SAST 2026 [elapsed=280 sec] MET
status...OK
met: c=N o=Y Ro40d Co9h Wo8d Ho9h To52d Do15d IDLE
Sun Nov 15 18:22:20 SAST 2026 [elapsed=280 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Nov 15 18:22:20 SAST 2026 [elapsed=280 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 347.67 -14.64, 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 -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 115 1.3%
A 0.081s 404 4.4%
A 0.111s 746 8.1%
A 0.142s 1208 13.2%
A 0.172s 1805 19.7%
A 0.203s 2488 27.2%
A 0.233s 3316 36.2%
A 0.263s 4228 46.2%
A 0.294s 5173 56.5%
A 0.324s 6045 66.0%
A 0.355s 6827 74.6%
A 0.385s 7477 81.7%
A 0.415s 8033 87.8%
A 0.446s 8491 92.8%
A 0.476s 8808 96.2%
A 0.506s 9032 98.7%
A 0.537s 9155 100.0%
B 0.020s 1 0.0%
B 0.051s 97 1.1%
B 0.081s 386 4.2%
B 0.112s 739 8.1%
B 0.142s 1216 13.3%
B 0.172s 1798 19.6%
B 0.203s 2490 27.2%
B 0.233s 3286 35.9%
B 0.264s 4228 46.2%
B 0.294s 5160 56.4%
B 0.325s 6050 66.1%
B 0.355s 6819 74.5%
B 0.385s 7475 81.7%
B 0.416s 8041 87.8%
B 0.446s 8478 92.6%
B 0.476s 8814 96.3%
B 0.507s 9038 98.7%
B 0.537s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9062 99.0%
A 0.081s 8772 95.8%
A 0.112s 8401 91.8%
A 0.142s 7950 86.8%
A 0.172s 7352 80.3%
A 0.203s 6670 72.9%
A 0.233s 5868 64.1%
A 0.263s 4954 54.1%
A 0.294s 4015 43.9%
A 0.324s 3137 34.3%
A 0.354s 2354 25.7%
A 0.385s 1671 18.3%
A 0.415s 1115 12.2%
A 0.446s 673 7.4%
A 0.476s 337 3.7%
A 0.507s 118 1.3%
A 0.537s 11 0.1%
A 0.567s -3 0.0%
B 0.020s 9145 99.9%
B 0.051s 9025 98.6%
B 0.081s 8761 95.7%
B 0.112s 8396 91.7%
B 0.142s 7922 86.5%
B 0.172s 7339 80.2%
B 0.202s 6645 72.6%
B 0.233s 5840 63.8%
B 0.263s 4922 53.8%
B 0.294s 3993 43.6%
B 0.324s 3110 34.0%
B 0.354s 2338 25.5%
B 0.385s 1653 18.1%
B 0.415s 1092 11.9%
B 0.446s 661 7.2%
B 0.476s 329 3.6%
B 0.507s 114 1.2%
B 0.537s 9 0.1%
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 0.537 seconds.
Shutter B opened to 99.9 percent in 0.537 seconds.
Shutter A closed to 0.0 percent in 0.567 seconds.
Shutter B closed to 0.1 percent in 0.537 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed= 955x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9252 IDLE
Sun Nov 15 18:22:58 SAST 2026 [elapsed=318 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:
128M Nov 15 18:23 /atlas/obs/03a/61360/03a61360e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Nov 15 18:23:20 SAST 2026 [elapsed=340 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (40 seconds old)
OTA humidity level...OK (2%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Nov 15 18:23:20 SAST 2026 [elapsed=340 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61359.68288085|info|galildriver|using focus model: foc=9187+(4.30)*20.8+(-0.40)*60.2=9252.3
61359.68288553|info|galildriver|o 2 IN | cass: 3032841 15.16 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54009843 9252 um b=0f [cmd]
bestfocus for o...OK
Sun Nov 15 18:23:21 SAST 2026 [elapsed=341 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Nov 15 18:23:47 SAST 2026 [elapsed=367 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 Nov 15 18:23:48 SAST 2026 [elapsed=368 sec] NOTICES: det_dzdx=-927 is outside range +-250 from -558; det_dzdy=3705 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 Nov 15 18:23:48 SAST 2026 [elapsed=368 sec] Happy observing!
Sun Nov 15 18:23:48 SAST 2026 [elapsed=368 sec] Preflight took 368 seconds to complete.
Sun Nov 15 18:23:48 SAST 2026 [elapsed=368 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 109 1.2% A 0.081s 374 4.1% A 0.111s 736 8.0% A 0.141s 1181 12.9% A 0.172s 1761 19.2% A 0.202s 2441 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.293s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7413 81.0% A 0.414s 7989 87.3% A 0.444s 8446 92.3% A 0.474s 8783 95.9% A 0.504s 9022 98.6% A 0.534s 9136 99.8% A 0.565s 9154 100.0% B 0.020s 1 0.0% B 0.050s 105 1.1% B 0.081s 369 4.0% B 0.111s 714 7.8% B 0.141s 1186 13.0% B 0.171s 1752 19.1% B 0.201s 2443 26.7% B 0.232s 3241 35.4% B 0.262s 4138 45.2% B 0.292s 5073 55.4% B 0.322s 5960 65.1% B 0.353s 6749 73.7% B 0.383s 7400 80.8% B 0.413s 7970 87.1% B 0.443s 8429 92.1% B 0.473s 8776 95.9% B 0.503s 9013 98.5% B 0.534s 9134 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9048 98.8% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 7381 80.6% A 0.202s 6691 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.292s 4037 44.1% A 0.322s 3167 34.6% A 0.353s 2388 26.1% A 0.383s 1731 18.9% A 0.413s 1163 12.7% A 0.443s 692 7.6% A 0.474s 367 4.0% A 0.504s 130 1.4% A 0.534s 15 0.2% A 0.564s 3 0.0% B 0.020s 9144 99.9% B 0.050s 9021 98.5% B 0.081s 8781 95.9% B 0.111s 8436 92.2% B 0.141s 7970 87.1% B 0.171s 7401 80.8% B 0.201s 6714 73.3% B 0.232s 5921 64.7% B 0.262s 5011 54.7% B 0.292s 4084 44.6% B 0.322s 3193 34.9% B 0.353s 2417 26.4% B 0.383s 1722 18.8% B 0.413s 1161 12.7% B 0.443s 712 7.8% B 0.474s 364 4.0% B 0.504s 137 1.5% B 0.534s 16 0.2% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R