CHL Preflight Night 61346
Executing preflight for 61346 at Sun Nov 1 19:10:31 -03 2026.
Log can be found in /atlas/obs/04/61346/preflight.dat.
Setting donefile '/atlas/obs/04/61346/preflight_complete.20261101221031.31466' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261101221031.31466.
Sun Nov 1 19:10:31 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Nov 1 19:10:31 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [b2fd4f62-60f8-4443-84dd-cd4bfcbdbf11;1800]
Sun Nov 1 19:10:31 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sun Nov 1 19:10:32 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sun Nov 1 19:10:32 -03 2026 [elapsed=1 sec] auxcam is disabled.
Sun Nov 1 19:10:32 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Nov 1 19:10:32 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1793571024
OK
Sun Nov 1 19:10:32 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Nov 1 19:10:32 -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 Nov 1 19:10:33 -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 Nov 1 19:10:34 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Nov 1 19:10:34 -03 2026 [elapsed=3 sec] CLOCKS
admin: Sun Nov 1 22:10:34 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 356 1024 377 0.289 0.591 0.088
+10.0.11.4 .GPS. 1 u 108 1024 377 0.608 0.702 0.116
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 967 1024 377 220.375 -7.310 2.689
-185.125.190.56 29.88.99.4 2 u 69 1024 377 218.693 -5.319 1.267
-185.125.190.57 29.88.99.4 2 u 981 1024 377 221.914 -6.621 0.871
+alphyn.canonica 132.163.96.1 2 u 474 512 377 151.762 -3.268 1.067
Sun Nov 1 19:10:35 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (6716GB)
200GB available in /atlas/red...OK (10568GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 3.8T 6.5T 38% /
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 27% /
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 455G 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 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
Sun Nov 1 19:10:35 -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 Nov 1 19:10:35 -03 2026 [elapsed=4 sec] Disabling mount tracking.
Sun Nov 1 19:10:35 -03 2026 [elapsed=4 sec] SERVICES2
Sun Nov 1 19:10:35 -03 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Nov 1 19:10:39 -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
Sun Nov 1 19:13:57 -03 2026 [elapsed=206 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: 301.88 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Sun Nov 1 19:14:54 -03 2026 [elapsed=263 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Nov 1 19:15:15 -03 2026 [elapsed=284 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=1/0 spi=38.9 IDLE
Sun Nov 1 19:15:15 -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 (-54.3C)
Checking CCD plane: Z0=-194.00 DZDX=+461.00 DZDY=-416.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=1 IDLE
Sun Nov 1 19:15:15 -03 2026 [elapsed=284 sec] WEATHER
status weather: clear 23.0C 32% 12/16kph@307 DP16.5C/-72C/d IDLE
...OK
Sun Nov 1 19:15:15 -03 2026 [elapsed=284 sec] MET
status...OK
met: c=N o=N Rs3 Cs3 Ws3 Hs3 Ts3 Ds3 wait RCWHTD IDLE
Sun Nov 1 19:15:15 -03 2026 [elapsed=284 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Nov 1 19:15:15 -03 2026 [elapsed=284 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 330.55 -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 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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.051s 98 1.1%
A 0.081s 361 3.9%
A 0.111s 713 7.8%
A 0.141s 1197 13.1%
A 0.172s 1763 19.3%
A 0.202s 2439 26.6%
A 0.232s 3212 35.1%
A 0.263s 4147 45.3%
A 0.293s 5099 55.7%
A 0.323s 5943 64.9%
A 0.354s 6788 74.2%
A 0.384s 7427 81.1%
A 0.414s 8006 87.5%
A 0.444s 8469 92.5%
A 0.475s 8793 96.1%
A 0.505s 9032 98.7%
A 0.535s 9138 99.8%
A 0.566s 9155 100.0%
B 0.020s 3 0.0%
B 0.051s 98 1.1%
B 0.081s 385 4.2%
B 0.111s 748 8.2%
B 0.142s 1207 13.2%
B 0.172s 1802 19.7%
B 0.202s 2498 27.3%
B 0.233s 3282 35.9%
B 0.263s 4199 45.9%
B 0.293s 5144 56.2%
B 0.324s 6025 65.8%
B 0.354s 6800 74.3%
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 9041 98.8%
B 0.536s 9150 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9050 98.9%
A 0.081s 8767 95.8%
A 0.111s 8429 92.1%
A 0.142s 7951 86.9%
A 0.172s 7343 80.2%
A 0.202s 6663 72.8%
A 0.233s 5834 63.7%
A 0.264s 4922 53.8%
A 0.294s 3994 43.6%
A 0.324s 3111 34.0%
A 0.355s 2349 25.7%
A 0.385s 1657 18.1%
A 0.415s 1108 12.1%
A 0.446s 679 7.4%
A 0.476s 341 3.7%
A 0.506s 126 1.4%
A 0.537s 0 0.0%
B 0.020s 9149 99.9%
B 0.051s 9035 98.7%
B 0.081s 8762 95.7%
B 0.111s 8406 91.8%
B 0.142s 7942 86.8%
B 0.172s 7359 80.4%
B 0.203s 6663 72.8%
B 0.233s 5871 64.1%
B 0.264s 4957 54.2%
B 0.294s 4007 43.8%
B 0.324s 3112 34.0%
B 0.354s 2329 25.4%
B 0.385s 1700 18.6%
B 0.415s 1118 12.2%
B 0.445s 661 7.2%
B 0.476s 340 3.7%
B 0.506s 115 1.3%
B 0.536s 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 100.0 percent in 0.536 seconds.
Shutter A closed to 0.0 percent in 0.537 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=1.22e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9880 IDLE
Sun Nov 1 19:15:51 -03 2026 [elapsed=320 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=1/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Nov 1 19:16 /atlas/obs/04a/61346/04a61346e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Nov 1 19:16:13 -03 2026 [elapsed=342 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (34 seconds old)
OTA humidity level...OK (10%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Nov 1 19:16:13 -03 2026 [elapsed=342 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61345.92794052|info|galildriver|using focus model: foc=9830+(3.50)*20.1+(-0.35)*60.2=9879.3
61345.92794520|info|galildriver|c 4 IN | cass: 9136326 45.68 mm b=23 move=NO | arm: 406824 473.61 mm b=03 move=OK | foc: 53274768 9880 um b=0f [cmd]
bestfocus for c...OK
Sun Nov 1 19:16:15 -03 2026 [elapsed=344 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Nov 1 19:16:44 -03 2026 [elapsed=373 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 Nov 1 19:16:45 -03 2026 [elapsed=374 sec] Happy observing!
Sun Nov 1 19:16:45 -03 2026 [elapsed=374 sec] Preflight took 374 seconds to complete.
Sun Nov 1 19:16:45 -03 2026 [elapsed=374 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 114 1.2% A 0.081s 386 4.2% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.172s 1784 19.5% 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 7413 81.0% A 0.413s 7988 87.3% A 0.444s 8445 92.3% A 0.474s 8783 95.9% A 0.504s 9021 98.5% A 0.534s 9136 99.8% A 0.565s 9154 100.0% B 0.020s 1 0.0% B 0.050s 114 1.2% B 0.081s 371 4.1% B 0.111s 714 7.8% B 0.141s 1185 12.9% B 0.172s 1772 19.4% B 0.202s 2465 26.9% B 0.232s 3242 35.4% B 0.262s 4137 45.2% B 0.293s 5072 55.4% B 0.323s 5986 65.4% B 0.353s 6772 74.0% B 0.383s 7420 81.1% B 0.414s 7984 87.2% B 0.444s 8443 92.2% B 0.474s 8787 96.0% B 0.504s 9017 98.5% B 0.535s 9138 99.8% B 0.565s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9055 98.9% A 0.081s 8778 95.9% A 0.111s 8434 92.1% A 0.141s 7975 87.1% A 0.172s 7400 80.8% A 0.202s 6715 73.4% A 0.232s 5923 64.7% A 0.262s 4981 54.4% A 0.293s 4038 44.1% A 0.323s 3168 34.6% A 0.353s 2410 26.3% A 0.384s 1732 18.9% A 0.414s 1163 12.7% A 0.444s 706 7.7% A 0.474s 367 4.0% A 0.505s 131 1.4% A 0.535s 13 0.1% A 0.565s 1 0.0% B 0.020s 9142 99.9% B 0.051s 9019 98.5% B 0.081s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7953 86.9% B 0.171s 7377 80.6% B 0.202s 6688 73.1% B 0.232s 5891 64.4% B 0.262s 4981 54.4% B 0.292s 4054 44.3% B 0.323s 3162 34.5% B 0.353s 2391 26.1% B 0.383s 1706 18.6% B 0.413s 1146 12.5% B 0.444s 699 7.6% B 0.474s 365 4.0% B 0.504s 137 1.5% B 0.534s 16 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R