CHL Preflight Night 61336
Executing preflight for 61336 at Thu Oct 22 19:00:41 -03 2026.
Log can be found in /atlas/obs/04/61336/preflight.dat.
Setting donefile '/atlas/obs/04/61336/preflight_complete.20261022220041.13860' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261022220041.13860.
Thu Oct 22 19:00:41 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Oct 22 19:00:41 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [4d8359aa-fb9f-4201-bcb9-1eb5b3d98367;1800]
Thu Oct 22 19:00:41 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Thu Oct 22 19:00:42 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Thu Oct 22 19:00:42 -03 2026 [elapsed=1 sec] auxcam is disabled.
Thu Oct 22 19:00:42 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Oct 22 19:00:42 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1792706436
OK
Thu Oct 22 19:00:42 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Oct 22 19:00:42 -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
Thu Oct 22 19:00:44 -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
Thu Oct 22 19:00:44 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Oct 22 19:00:44 -03 2026 [elapsed=3 sec] CLOCKS
admin: Thu Oct 22 22:00:44 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
==============================================================================
+metbox2.chl.atl .PPS. 1 u 114 1024 377 0.345 0.742 0.230
*10.0.11.4 .GPS. 1 u 572 1024 377 0.527 0.839 0.577
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 255 1024 377 227.978 -10.528 1.092
-185.125.190.56 29.88.99.4 2 u 490 1024 377 224.518 -7.985 0.891
-185.125.190.57 29.88.99.4 2 u 246 1024 377 219.695 -6.671 0.554
+alphyn.canonica 132.163.96.1 2 u 315 1024 357 155.991 -1.396 2.171
Thu Oct 22 19:00:45 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (7519GB)
200GB available in /atlas/red...OK (10915GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 3.1T 7.2T 30% /
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 3.3T 11T 24% /
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 454G 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
Thu Oct 22 19:00:45 -03 2026 [elapsed=4 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
Thu Oct 22 19:00:46 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Thu Oct 22 19:00:46 -03 2026 [elapsed=5 sec] Closing dome.
Thu Oct 22 19:01:04 -03 2026 [elapsed=23 sec] SERVICES2
Thu Oct 22 19:01:04 -03 2026 [elapsed=23 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Oct 22 19:01:08 -03 2026 [elapsed=27 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=1.6e+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
Thu Oct 22 19:04:25 -03 2026 [elapsed=224 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: 289.63 -27.58, az/alt=324.69 +86.49 idle(e) IDLE
Thu Oct 22 19:05:21 -03 2026 [elapsed=280 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Oct 22 19:05:43 -03 2026 [elapsed=302 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Thu Oct 22 19:05:43 -03 2026 [elapsed=302 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 (-54.6C)
Checking CCD plane: Z0=-193.00 DZDX=+463.00 DZDY=-417.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Oct 22 19:05:43 -03 2026 [elapsed=302 sec] WEATHER
status weather: C 17.7C 46% 14/23kph@257 DP8.2C/-141C/d IDLE
...OK
Thu Oct 22 19:05:44 -03 2026 [elapsed=303 sec] MET
status...OK
met: c=N o=Y Ro1d Co10h Wo13d Ho13d To13d Do9d IDLE
Thu Oct 22 19:05:44 -03 2026 [elapsed=303 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Oct 22 19:05:46 -03 2026 [elapsed=305 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 318.30 -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 11 0.1%
A 0.051s 111 1.2%
A 0.081s 388 4.2%
A 0.111s 742 8.1%
A 0.142s 1225 13.4%
A 0.172s 1796 19.6%
A 0.202s 2489 27.2%
A 0.233s 3282 35.9%
A 0.263s 4203 45.9%
A 0.293s 5137 56.1%
A 0.324s 6008 65.6%
A 0.354s 6831 74.6%
A 0.384s 7472 81.6%
A 0.415s 8048 87.9%
A 0.445s 8480 92.6%
A 0.475s 8812 96.3%
A 0.506s 9039 98.7%
A 0.536s 9143 99.9%
A 0.566s 9158 100.0%
B 0.020s 2 0.0%
B 0.051s 96 1.0%
B 0.081s 384 4.2%
B 0.111s 749 8.2%
B 0.142s 1209 13.2%
B 0.172s 1800 19.7%
B 0.203s 2492 27.2%
B 0.233s 3282 35.9%
B 0.263s 4200 45.9%
B 0.294s 5141 56.2%
B 0.324s 6049 66.1%
B 0.354s 6826 74.6%
B 0.384s 7470 81.6%
B 0.415s 8043 87.9%
B 0.445s 8483 92.7%
B 0.475s 8810 96.2%
B 0.506s 9037 98.7%
B 0.536s 9149 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.050s 9052 98.9%
A 0.081s 8764 95.7%
A 0.111s 8420 92.0%
A 0.141s 7952 86.9%
A 0.172s 7343 80.2%
A 0.202s 6669 72.9%
A 0.232s 5869 64.1%
A 0.262s 4952 54.1%
A 0.293s 4027 44.0%
A 0.323s 3135 34.2%
A 0.353s 2359 25.8%
A 0.384s 1689 18.5%
A 0.414s 1121 12.2%
A 0.445s 692 7.6%
A 0.475s 346 3.8%
A 0.505s 122 1.3%
A 0.536s 7 0.1%
B 0.020s 9150 100.0%
B 0.050s 9046 98.8%
B 0.081s 8782 95.9%
B 0.111s 8419 92.0%
B 0.141s 7976 87.1%
B 0.172s 7398 80.8%
B 0.202s 6711 73.3%
B 0.232s 5897 64.4%
B 0.263s 4990 54.5%
B 0.293s 4038 44.1%
B 0.323s 3165 34.6%
B 0.354s 2374 25.9%
B 0.384s 1718 18.8%
B 0.414s 1151 12.6%
B 0.445s 685 7.5%
B 0.475s 360 3.9%
B 0.506s 125 1.4%
B 0.536s 6 0.1%
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 0.1 percent in 0.536 seconds.
Shutter B closed to 0.1 percent in 0.536 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=o[3] foc=9867 IDLE
Thu Oct 22 19:06:22 -03 2026 [elapsed=341 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
160M Oct 22 19:06 /atlas/obs/04a/61336/04a61336e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Oct 22 19:06:44 -03 2026 [elapsed=363 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (4 seconds old)
OTA humidity level...OK (13%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Oct 22 19:06:44 -03 2026 [elapsed=363 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61335.92135527|info|galildriver|using focus model: foc=9830+(3.50)*17.0+(-0.35)*60.3=9868.4
61335.92135994|info|galildriver|o 3 IN | cass: 6104604 30.52 mm b=23 move=NO | arm: 406759 473.54 mm b=03 move=OK | foc: 53277277 9868 um b=0f [cmd]
bestfocus for o...OK
Thu Oct 22 19:06:46 -03 2026 [elapsed=365 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Oct 22 19:07:13 -03 2026 [elapsed=392 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.
Thu Oct 22 19:07:14 -03 2026 [elapsed=393 sec] Happy observing!
Thu Oct 22 19:07:14 -03 2026 [elapsed=393 sec] Preflight took 393 seconds to complete.
Thu Oct 22 19:07:14 -03 2026 [elapsed=393 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 0.050s 108 1.2% A 0.081s 374 4.1% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.171s 1761 19.2% A 0.202s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.292s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7413 81.0% A 0.414s 7988 87.3% A 0.444s 8445 92.3% A 0.474s 8785 96.0% 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 106 1.2% B 0.081s 370 4.0% B 0.111s 715 7.8% B 0.141s 1185 12.9% B 0.171s 1751 19.1% B 0.202s 2442 26.7% B 0.232s 3242 35.4% B 0.262s 4137 45.2% B 0.292s 5074 55.4% B 0.322s 5959 65.1% B 0.353s 6750 73.7% B 0.383s 7420 81.1% B 0.413s 7969 87.1% B 0.443s 8429 92.1% B 0.474s 8776 95.9% B 0.504s 9012 98.4% B 0.534s 9135 99.8% B 0.564s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9042 98.8% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.172s 7360 80.4% A 0.202s 6692 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.293s 4037 44.1% A 0.323s 3167 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1147 12.5% A 0.444s 692 7.6% A 0.474s 358 3.9% A 0.504s 124 1.4% A 0.534s 14 0.2% A 0.564s 2 0.0% B 0.020s 9143 99.9% B 0.050s 9017 98.5% B 0.081s 8770 95.8% B 0.111s 8420 92.0% B 0.141s 7952 86.9% B 0.171s 7378 80.6% B 0.201s 6689 73.1% B 0.232s 5891 64.4% B 0.262s 4979 54.4% B 0.292s 4054 44.3% B 0.322s 3164 34.6% B 0.353s 2393 26.1% 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 132 1.4% B 0.534s 14 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R