CHL Preflight Night 61339
Executing preflight for 61339 at Sun Oct 25 19:02:52 -03 2026.
Log can be found in /atlas/obs/04/61339/preflight.dat.
Setting donefile '/atlas/obs/04/61339/preflight_complete.20261025220252.22796' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261025220252.22796.
Sun Oct 25 19:02:52 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Oct 25 19:02:52 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [6178b4bd-3063-4bb9-9f4a-7b46655dd857;1800]
Sun Oct 25 19:02:52 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sun Oct 25 19:02:53 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sun Oct 25 19:02:53 -03 2026 [elapsed=1 sec] auxcam is disabled.
Sun Oct 25 19:02:53 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Oct 25 19:02:53 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1792965765
OK
Sun Oct 25 19:02:53 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Oct 25 19:02:53 -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
Sun Oct 25 19:02:54 -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
Sun Oct 25 19:02:55 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Oct 25 19:02:55 -03 2026 [elapsed=3 sec] CLOCKS
admin: Sun Oct 25 22:02:55 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 949 1024 377 0.310 -0.412 0.190
*10.0.11.4 .GPS. 1 u 1029 1024 377 0.479 -0.292 0.261
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 822 1024 377 232.665 -13.088 0.999
-185.125.190.56 29.88.99.4 2 u 858 1024 377 224.089 -8.806 1.682
-185.125.190.57 29.88.99.4 2 u 66 1024 377 223.676 -9.666 0.562
+alphyn.canonica 132.163.96.1 2 u 796 1024 377 148.924 0.156 2.219
Sun Oct 25 19:02:56 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (7247GB)
200GB available in /atlas/red...OK (10659GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 3.3T 7.0T 33% /
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 3.5T 11T 26% /
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
Sun Oct 25 19:02:56 -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
Sun Oct 25 19:02:56 -03 2026 [elapsed=4 sec] Disabling mount tracking.
Sun Oct 25 19:02:56 -03 2026 [elapsed=4 sec] SERVICES2
Sun Oct 25 19:02:56 -03 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Oct 25 19:03:00 -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=1.52e+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
Sun Oct 25 19:06:20 -03 2026 [elapsed=208 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: 293.08 -27.58, az/alt=324.80 +86.49 idle(e) IDLE
Sun Oct 25 19:07:15 -03 2026 [elapsed=263 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Oct 25 19:07:36 -03 2026 [elapsed=284 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.6 IDLE
Sun Oct 25 19:07:36 -03 2026 [elapsed=284 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (2 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.9C)
Checking CCD plane: Z0=-196.00 DZDX=+462.00 DZDY=-414.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Oct 25 19:07:36 -03 2026 [elapsed=284 sec] WEATHER
status weather: clear 25.4C 23% 13/20kph@249 DP20.0C/-135C/d IDLE
...OK
Sun Oct 25 19:07:36 -03 2026 [elapsed=284 sec] MET
status...OK
met: c=N o=Y Ro4d Co1d Wo16d Ho16d To16d Do12d IDLE
Sun Oct 25 19:07:36 -03 2026 [elapsed=284 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Oct 25 19:07:36 -03 2026 [elapsed=284 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 321.73 -12.93, az/alt=59.89 +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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 6 0.1%
A 0.051s 111 1.2%
A 0.081s 379 4.1%
A 0.111s 734 8.0%
A 0.142s 1232 13.5%
A 0.172s 1814 19.8%
A 0.202s 2487 27.2%
A 0.233s 3262 35.6%
A 0.263s 4208 46.0%
A 0.293s 5159 56.4%
A 0.324s 6001 65.6%
A 0.354s 6811 74.4%
A 0.384s 7444 81.3%
A 0.415s 8017 87.6%
A 0.445s 8485 92.7%
A 0.475s 8807 96.2%
A 0.505s 9038 98.7%
A 0.536s 9142 99.9%
A 0.566s 9157 100.0%
B 0.020s 2 0.0%
B 0.050s 91 1.0%
B 0.081s 375 4.1%
B 0.111s 733 8.0%
B 0.141s 1194 13.0%
B 0.172s 1781 19.5%
B 0.202s 2472 27.0%
B 0.232s 3256 35.6%
B 0.263s 4169 45.5%
B 0.293s 5114 55.9%
B 0.323s 5996 65.5%
B 0.354s 6782 74.1%
B 0.384s 7433 81.2%
B 0.414s 8009 87.5%
B 0.445s 8460 92.4%
B 0.475s 8801 96.1%
B 0.505s 9037 98.7%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.050s 9052 98.9%
A 0.081s 8773 95.8%
A 0.111s 8441 92.2%
A 0.141s 7972 87.1%
A 0.172s 7360 80.4%
A 0.202s 6689 73.1%
A 0.232s 5891 64.4%
A 0.263s 4978 54.4%
A 0.293s 4051 44.3%
A 0.323s 3165 34.6%
A 0.354s 2393 26.1%
A 0.384s 1702 18.6%
A 0.414s 1138 12.4%
A 0.445s 702 7.7%
A 0.475s 346 3.8%
A 0.505s 132 1.4%
A 0.535s 6 0.1%
B 0.020s 9148 99.9%
B 0.050s 9038 98.7%
B 0.081s 8774 95.8%
B 0.111s 8418 92.0%
B 0.141s 7959 86.9%
B 0.172s 7377 80.6%
B 0.202s 6686 73.0%
B 0.233s 5900 64.5%
B 0.263s 4958 54.2%
B 0.293s 4007 43.8%
B 0.324s 3142 34.3%
B 0.354s 2348 25.6%
B 0.384s 1699 18.6%
B 0.414s 1152 12.6%
B 0.445s 674 7.4%
B 0.475s 360 3.9%
B 0.505s 126 1.4%
B 0.535s 5 0.1%
A 0 0.0mm 15 N F R | B -2 -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 0.535 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=1.17e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9887 IDLE
Sun Oct 25 19:08:14 -03 2026 [elapsed=322 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.6 IDLE
taking preflight exposures:
acam...OK
acam image:
160M Oct 25 19:08 /atlas/obs/04a/61339/04a61339e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Oct 25 19:08:37 -03 2026 [elapsed=345 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (28 seconds old)
OTA humidity level...OK (8%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Oct 25 19:08:37 -03 2026 [elapsed=345 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61338.92265903|info|galildriver|using focus model: foc=9830+(3.50)*21.5+(-0.35)*60.2=9884.2
61338.92266405|info|galildriver|o 3 IN | cass: 6100970 30.50 mm b=23 move=NO | arm: 406759 473.54 mm b=03 move=OK | foc: 53273349 9887 um b=8f M [focus]
61338.92267421|info|galildriver|o 3 IN | cass: 6100968 30.50 mm b=23 move=NO | arm: 406759 473.54 mm b=03 move=OK | foc: 53273668 9886 um b=0f [cmd]
bestfocus for o...OK
Sun Oct 25 19:08:40 -03 2026 [elapsed=348 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Oct 25 19:09:07 -03 2026 [elapsed=375 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.
Sun Oct 25 19:09:09 -03 2026 [elapsed=377 sec] Happy observing!
Sun Oct 25 19:09:09 -03 2026 [elapsed=377 sec] Preflight took 377 seconds to complete.
Sun Oct 25 19:09:09 -03 2026 [elapsed=377 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 115 1.3% A 0.081s 384 4.2% A 0.111s 749 8.2% A 0.142s 1197 13.1% A 0.172s 1803 19.7% A 0.202s 2490 27.2% A 0.232s 3294 36.0% A 0.263s 4204 45.9% A 0.293s 5132 56.1% A 0.323s 5998 65.5% A 0.353s 6798 74.3% A 0.384s 7454 81.4% A 0.414s 8022 87.6% A 0.444s 8459 92.4% A 0.474s 8792 96.0% A 0.505s 9033 98.7% A 0.535s 9140 99.8% A 0.565s 9154 100.0% B 0.020s 2 0.0% B 0.050s 121 1.3% B 0.081s 388 4.2% B 0.111s 741 8.1% B 0.141s 1219 13.3% B 0.171s 1793 19.6% B 0.202s 2492 27.2% B 0.232s 3296 36.0% B 0.262s 4198 45.9% B 0.292s 5133 56.1% B 0.323s 5988 65.4% B 0.353s 6796 74.2% B 0.383s 7460 81.5% B 0.414s 8019 87.6% B 0.444s 8468 92.5% B 0.474s 8803 96.2% B 0.504s 9029 98.6% B 0.535s 9140 99.8% B 0.565s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9042 98.8% A 0.081s 8768 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.172s 7361 80.4% A 0.202s 6667 72.8% A 0.232s 5867 64.1% A 0.262s 4952 54.1% A 0.293s 4008 43.8% A 0.323s 3139 34.3% A 0.353s 2363 25.8% A 0.383s 1691 18.5% A 0.414s 1130 12.3% A 0.444s 692 7.6% A 0.474s 358 3.9% A 0.504s 119 1.3% A 0.535s 13 0.1% A 0.565s 2 0.0% B 0.020s 9143 99.9% B 0.050s 9013 98.5% B 0.081s 8763 95.7% B 0.111s 8409 91.9% B 0.141s 7935 86.7% B 0.172s 7359 80.4% B 0.202s 6667 72.8% B 0.232s 5866 64.1% B 0.263s 4951 54.1% B 0.293s 4026 44.0% B 0.323s 3138 34.3% B 0.353s 2368 25.9% B 0.384s 1681 18.4% B 0.414s 1131 12.4% B 0.444s 686 7.5% B 0.474s 348 3.8% B 0.505s 126 1.4% B 0.535s 13 0.1% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R