CHL Preflight Night 61324
Executing preflight for 61324 at Sat Oct 10 18:52:25 -03 2026.
Log can be found in /atlas/obs/04/61324/preflight.dat.
Setting donefile '/atlas/obs/04/61324/preflight_complete.20261010215225.15695' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261010215225.15695.
Sat Oct 10 18:52:26 -03 2026 [elapsed=1 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Oct 10 18:52:26 -03 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [d69f63c8-4655-4029-9268-b7bdde26b1d0;1800]
Sat Oct 10 18:52:26 -03 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sat Oct 10 18:52:26 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sat Oct 10 18:52:26 -03 2026 [elapsed=1 sec] auxcam is disabled.
Sat Oct 10 18:52:26 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Oct 10 18:52:26 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1791669145
OK
Sat Oct 10 18:52:26 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Oct 10 18:52:26 -03 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
Sat Oct 10 18:52:28 -03 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-04a...OK
proc1 prochain-redpost-04x...OK
Sat Oct 10 18:52:28 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Oct 10 18:52:28 -03 2026 [elapsed=3 sec] CLOCKS
admin: Sat Oct 10 21:52:28 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
==============================================================================
+metbox2.chl.atl .PPS. 1 u 295 1024 377 0.269 -0.099 0.677
*10.0.11.4 .GPS. 1 u 141 1024 377 0.486 -0.037 0.737
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 578 1024 377 228.101 -16.076 1.869
-185.125.190.56 29.88.99.4 2 u 715 1024 377 219.964 -11.629 1.421
-185.125.190.57 29.88.99.4 2 u 1029 1024 377 220.472 -12.416 1.949
+alphyn.canonica 132.163.96.1 2 u 387 1024 377 158.402 -2.861 0.908
Sat Oct 10 18:52:30 -03 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (8037GB)
200GB available in /atlas/red...OK (11313GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 2.6T 7.7T 25% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17284
admin:/dev/loop1 106M 106M 0 100% /snap/core/17292
archon:/dev/mapper/ubuntu--vg-ubuntu--lv 58G 18G 38G 32% /
archon:/dev/loop0 106M 106M 0 100% /snap/core/17284
archon:/dev/loop1 106M 106M 0 100% /snap/core/17292
archon:/dev/sda2 974M 321M 586M 36% /boot
archon:/dev/sda1 511M 4.4M 507M 1% /boot/efi
proc1:/dev/md0p1 15T 2.9T 11T 21% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc2:/dev/md0p1 15T 453G 13T 4% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc3:/dev/md0p1 15T 903G 13T 7% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc4:/dev/md0p1 15T 697G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Sat Oct 10 18:52:30 -03 2026 [elapsed=5 sec] SERVICES1
xcam
chiller...OK
dome...OK
mount...OK
modo...OK
cam...OK
acam...OK
weather...OK
met...OK
sentry...OK
dfm...OK
duplicates...OK
Sat Oct 10 18:52:30 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Sat Oct 10 18:52:30 -03 2026 [elapsed=5 sec] SERVICES2
Sat Oct 10 18:52:30 -03 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Oct 10 18:52:35 -03 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= 912kB time=00:00:29.18 bitrate= 256.0kbits/s speed=1.58e+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=35.00 CLOSED/CLOSED (0%) IDLE
Sat Oct 10 18:56:26 -03 2026 [elapsed=241 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: 275.80 -27.58, az/alt=324.71 +86.49 idle(e) IDLE
Sat Oct 10 18:57:20 -03 2026 [elapsed=295 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Oct 10 18:57:42 -03 2026 [elapsed=317 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=506/0 spi=38.9 IDLE
Sat Oct 10 18:57:42 -03 2026 [elapsed=317 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (1 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.3C)
Checking CCD plane: Z0=-193.00 DZDX=+462.00 DZDY=-416.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=506 IDLE
Sat Oct 10 18:57:42 -03 2026 [elapsed=317 sec] WEATHER
status weather: C+ 19.9C 29% 16/41kph@233 DP23.0C/44C/d IDLE
...OK
Sat Oct 10 18:57:43 -03 2026 [elapsed=318 sec] MET
status...OK
met: c=Y o=N Ro1d Cx4h Wo1d Ho1d To1d Do1d wait C IDLE
Sat Oct 10 18:57:43 -03 2026 [elapsed=318 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Oct 10 18:57:43 -03 2026 [elapsed=318 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 304.46 -12.93, az/alt=59.88 +60.07 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 1 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.051s 95 1.0%
A 0.081s 385 4.2%
A 0.111s 738 8.1%
A 0.142s 1230 13.4%
A 0.172s 1808 19.8%
A 0.203s 2486 27.2%
A 0.233s 3263 35.6%
A 0.263s 4213 46.0%
A 0.294s 5158 56.3%
A 0.324s 6000 65.5%
A 0.354s 6810 74.4%
A 0.384s 7446 81.3%
A 0.415s 8021 87.6%
A 0.445s 8486 92.7%
A 0.475s 8802 96.2%
A 0.506s 9038 98.7%
A 0.536s 9142 99.9%
A 0.566s 9156 100.0%
B 0.020s 2 0.0%
B 0.050s 91 1.0%
B 0.081s 372 4.1%
B 0.111s 734 8.0%
B 0.142s 1192 13.0%
B 0.172s 1779 19.4%
B 0.202s 2471 27.0%
B 0.233s 3255 35.6%
B 0.263s 4168 45.5%
B 0.293s 5113 55.9%
B 0.323s 5993 65.5%
B 0.354s 6782 74.1%
B 0.384s 7433 81.2%
B 0.414s 8010 87.5%
B 0.445s 8459 92.4%
B 0.475s 8792 96.0%
B 0.505s 9036 98.7%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.051s 9057 98.9%
A 0.081s 8773 95.8%
A 0.111s 8435 92.1%
A 0.142s 7966 87.0%
A 0.172s 7345 80.2%
A 0.203s 6668 72.8%
A 0.233s 5861 64.0%
A 0.263s 4954 54.1%
A 0.293s 4023 43.9%
A 0.324s 3135 34.2%
A 0.354s 2365 25.8%
A 0.384s 1686 18.4%
A 0.415s 1125 12.3%
A 0.445s 691 7.5%
A 0.475s 345 3.8%
A 0.506s 128 1.4%
A 0.536s 9 0.1%
B 0.020s 9147 99.9%
B 0.050s 9034 98.7%
B 0.081s 8763 95.7%
B 0.111s 8406 91.8%
B 0.141s 7942 86.8%
B 0.171s 7357 80.4%
B 0.202s 6664 72.8%
B 0.232s 5873 64.2%
B 0.262s 4959 54.2%
B 0.293s 4005 43.8%
B 0.323s 3142 34.3%
B 0.353s 2352 25.7%
B 0.383s 1696 18.5%
B 0.414s 1136 12.4%
B 0.444s 676 7.4%
B 0.474s 348 3.8%
B 0.504s 127 1.4%
B 0.535s 5 0.1%
A 1 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 0.566 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.1 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.12e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9873 IDLE
Sat Oct 10 18:58:55 -03 2026 [elapsed=390 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=506/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
155M Oct 10 18:59 /atlas/obs/04a/61324/04a61324e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Oct 10 18:59:17 -03 2026 [elapsed=412 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (8 seconds old)
OTA humidity level...OK (9%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Oct 10 18:59:17 -03 2026 [elapsed=412 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61323.91618249|info|galildriver|using focus model: foc=9830+(3.50)*18.2+(-0.35)*60.3=9872.6
61323.91618716|info|galildriver|c 4 IN | cass: 9138863 45.69 mm b=23 move=NO | arm: 406865 473.66 mm b=03 move=OK | foc: 53276137 9874 um b=0f [cmd]
bestfocus for c...OK
Sat Oct 10 18:59:18 -03 2026 [elapsed=413 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Oct 10 18:59:45 -03 2026 [elapsed=440 sec] Disabling mount tracking.
Waiting on the mount ... done.
Turning tracking off ... done.
Waiting on the mount ... done.
Recheck mount status ... done.
sitepsw 3 OFF redLED
sitepsw 4 OFF whiteLED
Preflight completed successfully. See
http://tinyurl.com/chlpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sat Oct 10 18:59:47 -03 2026 [elapsed=442 sec] Happy observing!
Sat Oct 10 18:59:47 -03 2026 [elapsed=442 sec] Preflight took 441 seconds to complete.
Sat Oct 10 18:59:47 -03 2026 [elapsed=442 sec] STARTING CLEANUP
Turning off LEDs
sitepsw 3 OFF redLED
sitepsw 4 OFF whiteLED
Releasing TCS lock [preflight]
OK TCS lock released by preflight-CHL
Preflight image
Shutter acutation data:
A 0.020s 3 0.0% A 0.051s 107 1.2% A 0.081s 375 4.1% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.171s 1763 19.3% A 0.202s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4144 45.3% A 0.292s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7412 81.0% A 0.414s 7987 87.3% A 0.444s 8445 92.3% A 0.474s 8783 95.9% A 0.504s 9021 98.5% A 0.535s 9137 99.8% A 0.565s 9154 100.0% B 0.020s 1 0.0% B 0.050s 108 1.2% B 0.081s 371 4.1% B 0.111s 714 7.8% B 0.141s 1186 13.0% B 0.171s 1751 19.1% B 0.201s 2442 26.7% B 0.232s 3240 35.4% B 0.262s 4138 45.2% B 0.292s 5072 55.4% B 0.322s 5958 65.1% B 0.352s 6750 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.443s 8432 92.1% B 0.473s 8777 95.9% B 0.504s 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 9043 98.8% A 0.081s 8767 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.171s 7359 80.4% A 0.202s 6668 72.8% A 0.232s 5867 64.1% A 0.262s 4950 54.1% A 0.292s 4009 43.8% A 0.322s 3139 34.3% A 0.353s 2363 25.8% A 0.383s 1693 18.5% A 0.413s 1131 12.4% A 0.444s 693 7.6% A 0.474s 349 3.8% A 0.504s 125 1.4% A 0.534s 13 0.1% A 0.564s 1 0.0% B 0.020s 9143 99.9% B 0.050s 9014 98.5% B 0.081s 8762 95.7% B 0.111s 8424 92.0% B 0.141s 7955 86.9% B 0.171s 7381 80.6% B 0.201s 6690 73.1% B 0.232s 5892 64.4% B 0.262s 4982 54.4% B 0.292s 4057 44.3% B 0.322s 3164 34.6% B 0.352s 2393 26.1% B 0.383s 1704 18.6% B 0.413s 1146 12.5% B 0.443s 698 7.6% B 0.474s 356 3.9% B 0.504s 132 1.4% B 0.534s 14 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R