CHL Preflight Night 61358
Executing preflight for 61358 at Fri Nov 13 19:18:26 -03 2026.
Log can be found in /atlas/obs/04/61358/preflight.dat.
Setting donefile '/atlas/obs/04/61358/preflight_complete.20261113221826.6217' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261113221826.6217.
Fri Nov 13 19:18:27 -03 2026 [elapsed=1 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Nov 13 19:18:27 -03 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [7df281bb-f3df-4b85-8ffb-5afeddea7163;1800]
Fri Nov 13 19:18:27 -03 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Nov 13 19:18:27 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Nov 13 19:18:27 -03 2026 [elapsed=1 sec] auxcam is disabled.
Fri Nov 13 19:18:27 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Nov 13 19:18:27 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1794608303
OK
Fri Nov 13 19:18:27 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Nov 13 19:18:27 -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
Fri Nov 13 19:18:29 -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
Fri Nov 13 19:18:29 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Nov 13 19:18:29 -03 2026 [elapsed=3 sec] CLOCKS
admin: Fri Nov 13 22:18:29 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 987 1024 377 0.291 0.442 0.242
*10.0.11.4 .GPS. 1 u 891 1024 377 0.642 0.236 0.996
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 364 1024 377 232.073 -12.888 0.327
-185.125.190.56 29.88.99.4 2 u 767 1024 377 226.443 -9.625 1.155
-185.125.190.57 29.88.99.4 2 u 141 1024 377 223.115 -7.915 1.587
+alphyn.canonica 132.163.96.1 2 u 896 1024 375 161.885 -0.374 3.993
Fri Nov 13 19:18:30 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (6453GB)
200GB available in /atlas/red...OK (10615GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 4.1T 6.2T 40% /
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 3.6T 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 614G 13T 5% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc3:/dev/md0p1 15T 904G 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 698G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Fri Nov 13 19:18:31 -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
Fri Nov 13 19:18:31 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Fri Nov 13 19:18:31 -03 2026 [elapsed=5 sec] Closing dome.
Fri Nov 13 19:19:22 -03 2026 [elapsed=56 sec] SERVICES2
Fri Nov 13 19:19:22 -03 2026 [elapsed=56 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Nov 13 19:19:26 -03 2026 [elapsed=60 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
Fri Nov 13 19:22:44 -03 2026 [elapsed=258 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: 315.91 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Fri Nov 13 19:23:40 -03 2026 [elapsed=314 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Nov 13 19:24:02 -03 2026 [elapsed=336 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.7 IDLE
Fri Nov 13 19:24:02 -03 2026 [elapsed=336 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 (-53.1C)
Checking CCD plane: Z0=-200.00 DZDX=+459.00 DZDY=-407.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=10 IDLE
Fri Nov 13 19:24:02 -03 2026 [elapsed=336 sec] WEATHER
status weather: clear 31.9C 33% 3/7kph@360 DP18.4C/0C/d IDLE
...OK
Fri Nov 13 19:24:03 -03 2026 [elapsed=337 sec] MET
status...OK
met: c=N o=Y Ro11d Co3d Wo11d Ho11d To5d Do3d IDLE
Fri Nov 13 19:24:03 -03 2026 [elapsed=337 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Nov 13 19:24:03 -03 2026 [elapsed=337 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 344.57 -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 -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 100 1.1%
A 0.081s 367 4.0%
A 0.111s 714 7.8%
A 0.142s 1198 13.1%
A 0.172s 1763 19.3%
A 0.202s 2440 26.7%
A 0.232s 3217 35.1%
A 0.263s 4141 45.2%
A 0.293s 5120 55.9%
A 0.323s 5952 65.0%
A 0.353s 6762 73.9%
A 0.384s 7424 81.1%
A 0.414s 8009 87.5%
A 0.444s 8458 92.4%
A 0.475s 8796 96.1%
A 0.505s 9028 98.6%
A 0.536s 9139 99.8%
A 0.566s 9154 100.0%
B 0.020s 1 0.0%
B 0.051s 98 1.1%
B 0.081s 378 4.1%
B 0.111s 750 8.2%
B 0.142s 1210 13.2%
B 0.172s 1803 19.7%
B 0.202s 2494 27.2%
B 0.233s 3282 35.9%
B 0.263s 4201 45.9%
B 0.293s 5143 56.2%
B 0.324s 6023 65.8%
B 0.354s 6803 74.3%
B 0.384s 7450 81.4%
B 0.415s 8027 87.7%
B 0.445s 8472 92.5%
B 0.475s 8801 96.1%
B 0.506s 9041 98.8%
B 0.536s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9051 98.9%
A 0.081s 8761 95.7%
A 0.111s 8423 92.0%
A 0.142s 7953 86.9%
A 0.172s 7337 80.2%
A 0.202s 6667 72.8%
A 0.233s 5866 64.1%
A 0.263s 4947 54.0%
A 0.293s 4023 43.9%
A 0.323s 3136 34.3%
A 0.354s 2367 25.9%
A 0.384s 1689 18.5%
A 0.415s 1107 12.1%
A 0.445s 679 7.4%
A 0.475s 336 3.7%
A 0.506s 123 1.3%
A 0.536s 7 0.1%
B 0.020s 9148 99.9%
B 0.050s 9039 98.7%
B 0.081s 8771 95.8%
B 0.111s 8419 92.0%
B 0.141s 7960 87.0%
B 0.171s 7377 80.6%
B 0.202s 6711 73.3%
B 0.232s 5898 64.4%
B 0.262s 4988 54.5%
B 0.293s 4037 44.1%
B 0.323s 3193 34.9%
B 0.353s 2375 25.9%
B 0.383s 1740 19.0%
B 0.414s 1169 12.8%
B 0.444s 686 7.5%
B 0.474s 359 3.9%
B 0.505s 126 1.4%
B 0.535s 7 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 0.536 seconds.
Shutter B closed to 0.1 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.22e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9902 IDLE
Fri Nov 13 19:24:38 -03 2026 [elapsed=372 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Nov 13 19:24 /atlas/obs/04a/61358/04a61358e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Nov 13 19:25:00 -03 2026 [elapsed=394 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (21 seconds old)
OTA humidity level...OK (11%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Nov 13 19:25:00 -03 2026 [elapsed=394 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61357.93403800|info|galildriver|using focus model: foc=9830+(3.50)*26.8+(-0.35)*60.2=9902.7
61357.93404267|info|galildriver|c 4 IN | cass: 9135625 45.68 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 53270374 9902 um b=0f [cmd]
bestfocus for c...OK
Fri Nov 13 19:25:02 -03 2026 [elapsed=396 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Nov 13 19:25:31 -03 2026 [elapsed=425 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.
Fri Nov 13 19:25:32 -03 2026 [elapsed=426 sec] Happy observing!
Fri Nov 13 19:25:32 -03 2026 [elapsed=426 sec] Preflight took 425 seconds to complete.
Fri Nov 13 19:25:32 -03 2026 [elapsed=426 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 0.051s 114 1.2% A 0.081s 385 4.2% A 0.111s 737 8.1% A 0.141s 1198 13.1% A 0.172s 1782 19.5% A 0.202s 2465 26.9% A 0.232s 3267 35.7% A 0.262s 4173 45.6% A 0.292s 5104 55.8% A 0.323s 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7432 81.2% A 0.413s 8003 87.4% A 0.444s 8446 92.3% A 0.474s 8784 96.0% A 0.504s 9021 98.5% A 0.534s 9137 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 104 1.1% B 0.081s 369 4.0% B 0.111s 714 7.8% B 0.141s 1185 12.9% B 0.171s 1752 19.1% B 0.201s 2441 26.7% B 0.232s 3240 35.4% B 0.262s 4138 45.2% B 0.292s 5074 55.4% B 0.322s 5960 65.1% B 0.353s 6748 73.7% B 0.383s 7421 81.1% B 0.413s 7986 87.2% B 0.444s 8444 92.2% B 0.474s 8786 96.0% B 0.504s 9018 98.5% B 0.534s 9136 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9042 98.8% A 0.081s 8767 95.8% A 0.111s 8407 91.8% A 0.141s 7941 86.7% A 0.171s 7360 80.4% A 0.201s 6668 72.8% A 0.232s 5868 64.1% A 0.262s 4951 54.1% A 0.292s 4007 43.8% A 0.322s 3139 34.3% A 0.352s 2364 25.8% A 0.383s 1711 18.7% A 0.413s 1147 12.5% A 0.443s 692 7.6% A 0.473s 360 3.9% A 0.504s 124 1.4% A 0.534s 14 0.2% A 0.564s 3 0.0% B 0.020s 9142 99.9% B 0.050s 9013 98.5% B 0.081s 8771 95.8% B 0.111s 8423 92.0% B 0.141s 7953 86.9% B 0.172s 7357 80.4% B 0.202s 6666 72.8% B 0.232s 5864 64.1% B 0.262s 4951 54.1% B 0.293s 4054 44.3% B 0.323s 3135 34.2% B 0.353s 2393 26.1% B 0.383s 1683 18.4% B 0.414s 1146 12.5% B 0.444s 700 7.6% B 0.474s 356 3.9% B 0.504s 133 1.5% B 0.535s 15 0.2% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R