CHL Preflight Night 61323
Executing preflight for 61323 at Fri Oct 9 19:50:53 -03 2026.
Log can be found in /atlas/obs/04/61323/preflight.dat.
Setting donefile '/atlas/obs/04/61323/preflight_complete.20261009225053.15695' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261009225053.15695.
Fri Oct 9 19:50:53 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Oct 9 19:50:53 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [721e8f5b-0b35-4c96-b412-b0c733b63d54;1800]
Fri Oct 9 19:50:53 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Oct 9 19:50:53 -03 2026 [elapsed=0 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Oct 9 19:50:53 -03 2026 [elapsed=0 sec] auxcam is disabled.
Fri Oct 9 19:50:53 -03 2026 [elapsed=0 sec] Skipping auxcam.
error: unknown module: vent
Fri Oct 9 19:50:53 -03 2026 [elapsed=0 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1791586247
OK
Fri Oct 9 19:50:53 -03 2026 [elapsed=0 sec] OPSEC
AUTO mode: ...OK
Fri Oct 9 19:50:53 -03 2026 [elapsed=0 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
Fri Oct 9 19:50:55 -03 2026 [elapsed=2 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
Fri Oct 9 19:50:55 -03 2026 [elapsed=2 sec] QUEUE
0 observations queued.
Fri Oct 9 19:50:55 -03 2026 [elapsed=2 sec] CLOCKS
admin: Fri Oct 9 22:50:55 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 1 256 377 0.256 0.422 0.342
+10.0.11.4 .GPS. 1 u 258 256 377 0.449 0.635 0.367
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 106 512 377 215.647 -8.461 4.355
-185.125.190.56 145.238.80.80 2 u 78 512 377 214.480 -7.847 3.099
-185.125.190.57 29.88.99.4 2 u 450 512 377 213.944 -9.384 2.297
+alphyn.canonica 132.163.96.1 2 u 134 256 377 150.979 -5.517 2.649
Fri Oct 9 19:50:56 -03 2026 [elapsed=3 sec] DISKS
200GB available in /atlas/obs...OK (8107GB)
200GB available in /atlas/red...OK (11376GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 2.5T 7.8T 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 2.8T 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
Fri Oct 9 19:50:56 -03 2026 [elapsed=3 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
Fri Oct 9 19:50:56 -03 2026 [elapsed=3 sec] Disabling mount tracking.
Fri Oct 9 19:50:57 -03 2026 [elapsed=4 sec] SERVICES2
Fri Oct 9 19:50:57 -03 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Oct 9 19:51:01 -03 2026 [elapsed=8 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
Fri Oct 9 19:53:54 -03 2026 [elapsed=181 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: 289.23 -27.58, az/alt=324.69 +86.49 idle(e) IDLE
Fri Oct 9 19:54:50 -03 2026 [elapsed=237 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Oct 9 19:55:12 -03 2026 [elapsed=259 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=3/0 spi=4664.7 IDLE
Fri Oct 9 19:55:12 -03 2026 [elapsed=259 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 (-54.5C)
Checking CCD plane: Z0=-192.00 DZDX=+459.00 DZDY=-418.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=3 IDLE
Fri Oct 9 19:55:12 -03 2026 [elapsed=259 sec] WEATHER
status weather: clear 16.4C 43% 9/14kph@332 DP10.6C/-86C/d IDLE
...OK
Fri Oct 9 19:55:13 -03 2026 [elapsed=260 sec] MET
status...OK
met: c=N o=Y Ro2h Co2h Wo2h Ho2h To2h Do3h IDLE
Fri Oct 9 19:55:13 -03 2026 [elapsed=260 sec] SENTRY
status...OK
sentry: close=NO open=YES drop=YES IDLE
Fri Oct 9 19:55:13 -03 2026 [elapsed=260 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 317.89 -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 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 -1 -0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.051s 113 1.2%
A 0.081s 384 4.2%
A 0.111s 728 8.0%
A 0.141s 1205 13.2%
A 0.172s 1772 19.4%
A 0.202s 2463 26.9%
A 0.232s 3262 35.6%
A 0.262s 4164 45.5%
A 0.293s 5110 55.8%
A 0.323s 5981 65.3%
A 0.353s 6782 74.1%
A 0.384s 7434 81.2%
A 0.414s 8011 87.5%
A 0.444s 8459 92.4%
A 0.474s 8794 96.1%
A 0.505s 9029 98.6%
A 0.535s 9141 99.9%
A 0.566s 9157 100.0%
B 0.020s 2 0.0%
B 0.050s 99 1.1%
B 0.081s 385 4.2%
B 0.111s 748 8.2%
B 0.141s 1209 13.2%
B 0.172s 1801 19.7%
B 0.202s 2493 27.2%
B 0.233s 3311 36.2%
B 0.263s 4232 46.2%
B 0.293s 5175 56.5%
B 0.324s 6049 66.1%
B 0.354s 6824 74.5%
B 0.384s 7473 81.6%
B 0.415s 8044 87.9%
B 0.445s 8484 92.7%
B 0.475s 8811 96.3%
B 0.506s 9043 98.8%
B 0.536s 9151 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9153 100.0%
A 0.051s 9061 99.0%
A 0.081s 8781 95.9%
A 0.111s 8438 92.2%
A 0.141s 7979 87.2%
A 0.172s 7372 80.5%
A 0.202s 6687 73.1%
A 0.233s 5897 64.4%
A 0.263s 4982 54.4%
A 0.293s 4054 44.3%
A 0.324s 3163 34.6%
A 0.354s 2379 26.0%
A 0.384s 1716 18.7%
A 0.415s 1137 12.4%
A 0.445s 690 7.5%
A 0.476s 347 3.8%
A 0.506s 123 1.3%
A 0.536s 8 0.1%
B 0.020s 9148 99.9%
B 0.050s 9041 98.8%
B 0.081s 8771 95.8%
B 0.111s 8420 92.0%
B 0.141s 7960 87.0%
B 0.172s 7379 80.6%
B 0.202s 6687 73.1%
B 0.232s 5899 64.4%
B 0.263s 4989 54.5%
B 0.293s 4007 43.8%
B 0.323s 3143 34.3%
B 0.354s 2350 25.7%
B 0.384s 1697 18.5%
B 0.414s 1136 12.4%
B 0.445s 675 7.4%
B 0.475s 349 3.8%
B 0.505s 120 1.3%
B 0.536s 5 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 0.566 seconds.
Shutter B opened to 100.0 percent in 0.536 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.1 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.18e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9868 IDLE
Fri Oct 9 19:55:48 -03 2026 [elapsed=295 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=3/0 spi=4664.7 IDLE
taking preflight exposures:
acam...OK
acam image:
155M Oct 9 19:56 /atlas/obs/04a/61323/04a61323e0004c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Oct 9 19:56:10 -03 2026 [elapsed=317 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (1 seconds old)
OTA humidity level...WARNING (34%)
WARNING (OTA humidity > 25 (34%); )
Dome humidity exists...OK
Dome humidity is current... OK
Fri Oct 9 19:56:10 -03 2026 [elapsed=317 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61322.95568474|info|galildriver|using focus model: foc=9830+(3.50)*16.3+(-0.35)*60.2=9866.0
61322.95568941|info|galildriver|c 4 IN | cass: 9141715 45.71 mm b=23 move=NO | arm: 406865 473.66 mm b=03 move=OK | foc: 53277247 9868 um b=0f [cmd]
bestfocus for c...OK
Fri Oct 9 19:56:12 -03 2026 [elapsed=319 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Oct 9 19:56:39 -03 2026 [elapsed=346 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
Fri Oct 9 19:56:41 -03 2026 [elapsed=348 sec] WARNINGS: OTA humidity > 25 (34%);
Preflight completed with warnings. See
http://tinyurl.com/chlpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Fri Oct 9 19:56:41 -03 2026 [elapsed=348 sec] Happy observing!
Fri Oct 9 19:56:41 -03 2026 [elapsed=348 sec] Preflight took 348 seconds to complete.
Fri Oct 9 19:56:41 -03 2026 [elapsed=348 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