STH Recent Preflight: 61011
Executing preflight for 61011 at Mon Dec 1 18:32:13 SAST 2025.
Log can be found in /atlas/obs/03/61011/preflight.dat.
Setting donefile '/atlas/obs/03/61011/preflight_complete.20251201163213.19828' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20251201163213.19828.
Mon Dec 1 18:32:13 SAST 2025 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Dec 1 18:32:13 SAST 2025 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [a2bc935d-8577-48b0-b6d5-75085f810755;1800]
Mon Dec 1 18:32:13 SAST 2025 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Dec 1 18:32:14 SAST 2025 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Dec 1 18:32:14 SAST 2025 [elapsed=1 sec] auxcam is disabled.
Mon Dec 1 18:32:14 SAST 2025 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Dec 1 18:32:14 SAST 2025 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1764606724
OK
Mon Dec 1 18:32:14 SAST 2025 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Dec 1 18:32:14 SAST 2025 [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
Mon Dec 1 18:32:16 SAST 2025 [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
Mon Dec 1 18:32:16 SAST 2025 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Dec 1 18:32:16 SAST 2025 [elapsed=3 sec] CLOCKS
admin: Mon Dec 1 16:32:16 UTC 2025
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 163 256 377 1.022 -0.381 0.365
*metbox2.sth.atl .PPS. 1 u 86 256 377 0.219 -0.314 0.330
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 101 256 377 23.275 -0.667 0.240
+ntp.as3741.net 146.64.8.7 2 u 263 256 377 22.811 -0.463 0.339
-ntp2.as3741.net 146.64.8.7 2 u 196 256 377 7.304 -0.565 0.249
-ntp2.inx.net.za 183.3.52.101 2 u 225 256 377 7.093 -0.587 0.243
+102.222.100.153 155.232.19.7 2 u 95 256 377 7.460 -0.473 0.106
+za-jnb-rs01b.dp 210.182.58.253 2 u 310 1024 377 22.900 -0.455 0.797
+tick.sanren.ac. .TC. 1 u 45 256 377 23.226 -0.330 0.280
#ntp.urbanwave.c 155.232.19.7 2 u 172 256 377 22.753 -5.210 1.698
-ntp4.inx.net.za 183.3.52.101 2 u 35 256 377 23.003 -0.288 0.279
Mon Dec 1 18:32:20 SAST 2025 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (5864GB)
200GB available in /atlas/red...OK (8892GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.7T 5.6T 46% /
admin:/dev/loop0 105M 105M 0 100% /snap/core/17212
admin:/dev/loop1 105M 105M 0 100% /snap/core/17247
archon:/dev/sda2 117G 21G 91G 19% /
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
archon:/dev/loop1 105M 105M 0 100% /snap/core/17212
archon:/dev/loop0 105M 105M 0 100% /snap/core/17247
tcs:/dev/mapper/ubuntu--vg-ubuntu--lv 98G 34G 60G 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/loop0 105M 105M 0 100% /snap/core/17212
proc1:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc2:/dev/md0p1 15T 1.7T 12T 13% /
proc2:/dev/loop1 105M 105M 0 100% /snap/core/17212
proc2:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc3:/dev/md0p1 15T 732G 13T 6% /
proc3:/dev/loop0 105M 105M 0 100% /snap/core/17212
proc3:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc4:/dev/md0p1 15T 1.1T 13T 8% /
proc4:/dev/loop0 105M 105M 0 100% /snap/core/17212
proc4:/dev/loop1 105M 105M 0 100% /snap/core/17247
Mon Dec 1 18:32:20 SAST 2025 [elapsed=7 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
Mon Dec 1 18:32:20 SAST 2025 [elapsed=7 sec] Disabling mount tracking.
Mon Dec 1 18:32:21 SAST 2025 [elapsed=8 sec] SERVICES2
Mon Dec 1 18:32:21 SAST 2025 [elapsed=8 sec] CHILLER
status...OK
chiller: 3.1/3.0C ? chiller=ON dryer=? IDLE
Mon Dec 1 18:32:25 SAST 2025 [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= 912kB time=00:00:29.18 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
Mon Dec 1 18:34:55 SAST 2025 [elapsed=162 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: 338.24 -29.49, az/alt=324.67 +86.49 idle(e) IDLE
Mon Dec 1 18:35:53 SAST 2025 [elapsed=220 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Dec 1 18:36:14 SAST 2025 [elapsed=241 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.0 IDLE
Mon Dec 1 18:36:14 SAST 2025 [elapsed=241 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (0 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=-902.00 DZDY=+4156.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Dec 1 18:36:14 SAST 2025 [elapsed=241 sec] WEATHER
status weather: C 21.4C 36% 12/31kph@207 DP6.3C/-434C/d IDLE
...OK
Mon Dec 1 18:36:15 SAST 2025 [elapsed=242 sec] MET
status...OK
met: c=N o=Y Ro2d Co1d Wo2d Ho1d To2d Do2d IDLE
Mon Dec 1 18:36:15 SAST 2025 [elapsed=242 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Dec 1 18:36:17 SAST 2025 [elapsed=244 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 7.16 -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 -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 110 1.2%
A 0.081s 395 4.3%
A 0.111s 733 8.0%
A 0.141s 1189 13.0%
A 0.172s 1784 19.5%
A 0.202s 2466 26.9%
A 0.232s 3258 35.6%
A 0.263s 4165 45.5%
A 0.293s 5117 55.9%
A 0.323s 5989 65.4%
A 0.354s 6779 74.1%
A 0.384s 7441 81.3%
A 0.414s 7998 87.4%
A 0.444s 8465 92.5%
A 0.475s 8792 96.0%
A 0.505s 9019 98.5%
A 0.535s 9151 100.0%
B 0.020s 1 0.0%
B 0.051s 98 1.1%
B 0.081s 387 4.2%
B 0.111s 726 7.9%
B 0.141s 1198 13.1%
B 0.172s 1778 19.4%
B 0.202s 2465 26.9%
B 0.232s 3258 35.6%
B 0.262s 4169 45.5%
B 0.293s 5105 55.8%
B 0.323s 5992 65.5%
B 0.353s 6774 74.0%
B 0.383s 7413 81.0%
B 0.414s 7995 87.3%
B 0.444s 8441 92.2%
B 0.474s 8786 96.0%
B 0.504s 9021 98.5%
B 0.535s 9141 99.9%
B 0.565s 9159 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9028 98.6%
A 0.081s 8769 95.8%
A 0.111s 8414 91.9%
A 0.141s 7969 87.1%
A 0.172s 7330 80.1%
A 0.202s 6692 73.1%
A 0.232s 5897 64.4%
A 0.262s 4982 54.4%
A 0.293s 4042 44.2%
A 0.323s 3166 34.6%
A 0.353s 2378 26.0%
A 0.384s 1711 18.7%
A 0.414s 1165 12.7%
A 0.444s 700 7.6%
A 0.474s 353 3.9%
A 0.505s 129 1.4%
A 0.535s 14 0.2%
A 0.565s -7 0.0%
B 0.020s 9142 99.9%
B 0.050s 9032 98.7%
B 0.081s 8771 95.8%
B 0.111s 8423 92.0%
B 0.141s 7954 86.9%
B 0.172s 7379 80.6%
B 0.202s 6693 73.1%
B 0.232s 5895 64.4%
B 0.262s 4982 54.4%
B 0.293s 4051 44.3%
B 0.323s 3167 34.6%
B 0.353s 2384 26.0%
B 0.384s 1713 18.7%
B 0.414s 1142 12.5%
B 0.444s 697 7.6%
B 0.474s 356 3.9%
B 0.505s 128 1.4%
B 0.535s 13 0.1%
B 0.565s -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 0.535 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=1.15e+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
Mon Dec 1 18:36:55 SAST 2025 [elapsed=282 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:
125M Dec 1 18:37 /atlas/obs/03a/61011/03a61011e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Dec 1 18:37:18 SAST 2025 [elapsed=305 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (52 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Dec 1 18:37:18 SAST 2025 [elapsed=305 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61010.69257784|info|galildriver|using focus model: foc=9187+(4.30)*22.7+(-0.40)*60.2=9260.5
61010.69258275|info|galildriver|o 2 IN | cass: 3044314 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54011355 9260 um b=2b R [cmd]
bestfocus for o...OK
Mon Dec 1 18:37:20 SAST 2025 [elapsed=307 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Dec 1 18:37:50 SAST 2025 [elapsed=337 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
Mon Dec 1 18:37:51 SAST 2025 [elapsed=338 sec] NOTICES: det_dzdx=-902 is outside range +-250 from -558; det_dzdy=4156 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Mon Dec 1 18:37:51 SAST 2025 [elapsed=338 sec] Happy observing!
Mon Dec 1 18:37:51 SAST 2025 [elapsed=338 sec] Preflight took 338 seconds to complete.
Mon Dec 1 18:37:51 SAST 2025 [elapsed=338 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 0.051s 122 1.3% A 0.081s 394 4.3% A 0.112s 744 8.1% A 0.142s 1214 13.3% A 0.173s 1802 19.7% A 0.203s 2513 27.5% A 0.233s 3292 36.0% A 0.263s 4236 46.3% A 0.294s 5164 56.4% A 0.324s 6046 66.0% A 0.354s 6825 74.6% A 0.385s 7451 81.4% A 0.415s 8043 87.9% A 0.446s 8481 92.6% A 0.476s 8806 96.2% A 0.507s 9045 98.8% A 0.537s 9143 99.9% A 0.568s 9152 100.0% B 0.020s 2 0.0% B 0.051s 120 1.3% B 0.082s 389 4.2% B 0.112s 742 8.1% B 0.143s 1236 13.5% B 0.173s 1815 19.8% B 0.204s 2516 27.5% B 0.234s 3324 36.3% B 0.265s 4261 46.5% B 0.295s 5190 56.7% B 0.326s 6069 66.3% B 0.356s 6842 74.7% B 0.386s 7500 81.9% B 0.417s 8049 87.9% B 0.448s 8493 92.8% B 0.478s 8830 96.5% B 0.509s 9044 98.8% B 0.539s 9145 99.9% sleeping 3 sec between shutter moves... A 0.020s 9148 99.9% A 0.051s 9043 98.8% A 0.081s 8771 95.8% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.172s 7377 80.6% A 0.202s 6685 73.0% A 0.232s 5895 64.4% A 0.263s 4974 54.3% A 0.293s 4036 44.1% A 0.323s 3164 34.6% A 0.353s 2378 26.0% A 0.383s 1717 18.8% A 0.414s 1161 12.7% A 0.444s 705 7.7% A 0.474s 370 4.0% A 0.504s 130 1.4% A 0.534s 17 0.2% A 0.565s 3 0.0% B 0.020s 9147 99.9% B 0.050s 9022 98.6% B 0.081s 8781 95.9% B 0.111s 8434 92.1% B 0.141s 7969 87.1% B 0.171s 7398 80.8% B 0.202s 6713 73.3% B 0.232s 5919 64.7% B 0.262s 5010 54.7% B 0.292s 4085 44.6% B 0.322s 3191 34.9% B 0.353s 2416 26.4% B 0.383s 1722 18.8% B 0.413s 1164 12.7% B 0.443s 712 7.8% B 0.474s 366 4.0% B 0.504s 140 1.5% B 0.534s 15 0.2% B 0.565s 0 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R