CHL Preflight Night 61312
Executing preflight for 61312 at Mon Sep 28 18:45:05 -03 2026.
Log can be found in /atlas/obs/04/61312/preflight.dat.
Setting donefile '/atlas/obs/04/61312/preflight_complete.20260928214505.22901' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260928214505.22901.
Mon Sep 28 18:45:06 -03 2026 [elapsed=1 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Sep 28 18:45:06 -03 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [5723939e-71e8-44c8-ae9c-2b1eaa203b74;1800]
Mon Sep 28 18:45:06 -03 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Mon Sep 28 18:45:06 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Mon Sep 28 18:45:06 -03 2026 [elapsed=1 sec] auxcam is disabled.
Mon Sep 28 18:45:06 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Sep 28 18:45:06 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1790631905
OK
Mon Sep 28 18:45:06 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Sep 28 18:45:06 -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
Mon Sep 28 18:45:08 -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
Mon Sep 28 18:45:08 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Sep 28 18:45:08 -03 2026 [elapsed=3 sec] CLOCKS
admin: Mon Sep 28 21:45:08 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 261 1024 377 0.306 0.409 0.274
*10.0.11.4 .GPS. 1 u 832 1024 377 0.421 0.489 0.351
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 328 1024 377 149.262 -4.506 1.424
-185.125.190.57 29.88.99.4 2 u 334 1024 377 224.786 -8.861 1.078
-185.125.190.56 145.238.80.80 2 u 528 1024 377 225.930 -7.985 1.588
-185.125.190.58 29.88.99.4 2 u 260 1024 377 227.142 -8.819 1.460
Mon Sep 28 18:45:10 -03 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (8561GB)
200GB available in /atlas/red...OK (11761GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 2.1T 8.2T 20% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
admin:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/mapper/ubuntu--vg-ubuntu--lv 58G 18G 38G 32% /
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/loop0 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 2.5T 12T 18% /
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/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
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
Mon Sep 28 18:45:10 -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
Mon Sep 28 18:45:10 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Mon Sep 28 18:45:10 -03 2026 [elapsed=5 sec] SERVICES2
Mon Sep 28 18:45:13 -03 2026 [elapsed=8 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Sep 28 18:45:17 -03 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= 912kB time=00:00:29.18 bitrate= 256.0kbits/s speed=1.49e+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
Mon Sep 28 18:48:36 -03 2026 [elapsed=211 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: 262.02 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Mon Sep 28 18:49:33 -03 2026 [elapsed=268 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Sep 28 18:49:55 -03 2026 [elapsed=290 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.3 IDLE
Mon Sep 28 18:49:55 -03 2026 [elapsed=290 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (9 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.6C)
Checking CCD plane: Z0=-193.00 DZDX=+455.00 DZDY=-418.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Sep 28 18:49:55 -03 2026 [elapsed=290 sec] WEATHER
status weather: clear 17.5C 39% 16/22kph@269 DP12.6C/-83C/d IDLE
...OK
Mon Sep 28 18:49:56 -03 2026 [elapsed=291 sec] MET
status...OK
met: c=N o=Y Ro8d Co3h Wo21d Ho21d To21d Do10d IDLE
Mon Sep 28 18:49:56 -03 2026 [elapsed=291 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Sep 28 18:49:56 -03 2026 [elapsed=291 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 290.68 -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 1 0.0mm 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 -1 -0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 10 0.1%
A 0.051s 103 1.1%
A 0.081s 382 4.2%
A 0.111s 738 8.1%
A 0.142s 1230 13.4%
A 0.172s 1809 19.8%
A 0.202s 2488 27.2%
A 0.233s 3268 35.7%
A 0.263s 4202 45.9%
A 0.293s 5152 56.3%
A 0.324s 6008 65.6%
A 0.354s 6811 74.4%
A 0.384s 7447 81.4%
A 0.415s 8021 87.6%
A 0.445s 8479 92.6%
A 0.475s 8805 96.2%
A 0.505s 9043 98.8%
A 0.536s 9143 99.9%
A 0.566s 9157 100.0%
B 0.020s 2 0.0%
B 0.051s 91 1.0%
B 0.081s 375 4.1%
B 0.111s 734 8.0%
B 0.142s 1192 13.0%
B 0.172s 1781 19.5%
B 0.202s 2471 27.0%
B 0.233s 3254 35.5%
B 0.263s 4198 45.9%
B 0.293s 5145 56.2%
B 0.324s 6023 65.8%
B 0.354s 6804 74.3%
B 0.384s 7453 81.4%
B 0.414s 8025 87.7%
B 0.445s 8474 92.6%
B 0.475s 8801 96.1%
B 0.505s 9037 98.7%
B 0.536s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.051s 9057 98.9%
A 0.081s 8775 95.9%
A 0.111s 8428 92.1%
A 0.142s 7968 87.0%
A 0.172s 7348 80.3%
A 0.202s 6687 73.1%
A 0.233s 5867 64.1%
A 0.263s 4949 54.1%
A 0.293s 4047 44.2%
A 0.323s 3145 34.4%
A 0.354s 2367 25.9%
A 0.384s 1678 18.3%
A 0.414s 1123 12.3%
A 0.445s 687 7.5%
A 0.475s 350 3.8%
A 0.506s 132 1.4%
A 0.536s 3 0.0%
B 0.020s 9148 99.9%
B 0.051s 9037 98.7%
B 0.081s 8763 95.7%
B 0.111s 8406 91.8%
B 0.142s 7941 86.7%
B 0.172s 7358 80.4%
B 0.203s 6665 72.8%
B 0.233s 5844 63.8%
B 0.263s 4926 53.8%
B 0.293s 3979 43.5%
B 0.324s 3115 34.0%
B 0.354s 2324 25.4%
B 0.384s 1682 18.4%
B 0.415s 1118 12.2%
B 0.445s 661 7.2%
B 0.476s 340 3.7%
B 0.506s 113 1.2%
B 0.536s 3 0.0%
A 0 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 0.566 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.0 percent in 0.536 seconds.
Shutter B closed to 0.0 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.19e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9867 IDLE
Mon Sep 28 18:50:31 -03 2026 [elapsed=326 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.3 IDLE
taking preflight exposures:
acam...OK
acam image:
161M Sep 28 18:50 /atlas/obs/04a/61312/04a61312e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Sep 28 18:50:54 -03 2026 [elapsed=349 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (46 seconds old)
OTA humidity level...OK (11%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Sep 28 18:50:54 -03 2026 [elapsed=349 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61311.91035432|info|galildriver|using focus model: foc=9830+(3.50)*16.4+(-0.35)*60.2=9866.3
61311.91035899|info|galildriver|o 3 IN | cass: 6107261 30.54 mm b=23 move=NO | arm: 407006 473.82 mm b=03 move=OK | foc: 53277283 9868 um b=0f [cmd]
bestfocus for o...OK
Mon Sep 28 18:50:55 -03 2026 [elapsed=350 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Sep 28 18:51:23 -03 2026 [elapsed=378 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.
Mon Sep 28 18:51:24 -03 2026 [elapsed=379 sec] Happy observing!
Mon Sep 28 18:51:24 -03 2026 [elapsed=379 sec] Preflight took 378 seconds to complete.
Mon Sep 28 18:51:24 -03 2026 [elapsed=379 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 4 0.0% A 0.050s 117 1.3% A 0.081s 387 4.2% A 0.111s 735 8.0% A 0.141s 1199 13.1% A 0.171s 1776 19.4% A 0.202s 2466 26.9% A 0.232s 3267 35.7% A 0.262s 4173 45.6% A 0.292s 5105 55.8% A 0.323s 5995 65.5% A 0.353s 6775 74.0% A 0.383s 7434 81.2% A 0.413s 8005 87.4% A 0.444s 8457 92.4% A 0.474s 8791 96.0% A 0.504s 9028 98.6% A 0.534s 9139 99.8% A 0.565s 9154 100.0% B 0.020s 0 0.0% B 0.050s 113 1.2% B 0.081s 381 4.2% B 0.111s 728 8.0% B 0.141s 1202 13.1% B 0.171s 1776 19.4% B 0.202s 2467 26.9% B 0.232s 3268 35.7% B 0.262s 4166 45.5% B 0.292s 5102 55.7% B 0.323s 5988 65.4% B 0.353s 6774 74.0% B 0.383s 7439 81.3% B 0.413s 8001 87.4% B 0.443s 8456 92.4% B 0.474s 8794 96.1% B 0.504s 9017 98.5% B 0.534s 9135 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9055 98.9% A 0.081s 8790 96.0% A 0.111s 8434 92.1% A 0.141s 7974 87.1% A 0.172s 7401 80.8% A 0.202s 6692 73.1% A 0.232s 5893 64.4% A 0.262s 4982 54.4% A 0.293s 4068 44.4% A 0.323s 3192 34.9% A 0.353s 2409 26.3% A 0.383s 1730 18.9% A 0.414s 1164 12.7% A 0.444s 707 7.7% A 0.474s 368 4.0% A 0.504s 130 1.4% A 0.535s 15 0.2% A 0.565s 1 0.0% B 0.020s 9142 99.9% B 0.050s 9020 98.5% B 0.081s 8771 95.8% B 0.111s 8422 92.0% B 0.141s 7949 86.8% B 0.171s 7377 80.6% B 0.202s 6712 73.3% B 0.232s 5891 64.4% B 0.262s 5010 54.7% B 0.293s 4082 44.6% B 0.323s 3163 34.6% B 0.353s 2391 26.1% B 0.383s 1724 18.8% B 0.414s 1148 12.5% B 0.444s 712 7.8% B 0.474s 365 4.0% B 0.504s 136 1.5% B 0.535s 16 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R