CHL Preflight Night 61354
Executing preflight for 61354 at Mon Nov 9 19:14:56 -03 2026.
Log can be found in /atlas/obs/04/61354/preflight.dat.
Setting donefile '/atlas/obs/04/61354/preflight_complete.20261109221456.6217' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261109221456.6217.
Mon Nov 9 19:14:56 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Nov 9 19:14:56 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [5192bfd1-b779-417e-9664-f69e47aedcc6;1800]
Mon Nov 9 19:14:56 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Mon Nov 9 19:14:57 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Mon Nov 9 19:14:57 -03 2026 [elapsed=1 sec] auxcam is disabled.
Mon Nov 9 19:14:57 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Nov 9 19:14:57 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1794262496
OK
Mon Nov 9 19:14:57 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Nov 9 19:14:57 -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
Mon Nov 9 19:14:59 -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
Mon Nov 9 19:14:59 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Nov 9 19:14:59 -03 2026 [elapsed=3 sec] CLOCKS
admin: Mon Nov 9 22:14:59 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 981 1024 377 0.282 1.049 0.046
*10.0.11.4 .GPS. 1 u 1035 1024 377 0.568 1.134 0.126
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 1011 1024 377 225.282 -9.420 2.922
-185.125.190.56 29.88.99.4 2 u 1038 1024 377 223.203 -7.254 0.920
-185.125.190.57 29.88.99.4 2 u 62 1024 377 225.174 -8.248 1.035
+alphyn.canonica 132.163.96.1 2 u 520 1024 377 150.465 -5.450 0.457
Mon Nov 9 19:15:02 -03 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6432GB)
200GB available in /atlas/red...OK (10651GB)
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 3.5T 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 615G 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
Mon Nov 9 19:15:02 -03 2026 [elapsed=6 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
Mon Nov 9 19:15:02 -03 2026 [elapsed=6 sec] Disabling mount tracking.
Mon Nov 9 19:15:02 -03 2026 [elapsed=6 sec] SERVICES2
Mon Nov 9 19:15:02 -03 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Nov 9 19:15:07 -03 2026 [elapsed=11 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= 914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.57e+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
Mon Nov 9 19:18:27 -03 2026 [elapsed=211 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: 310.90 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Mon Nov 9 19:19:24 -03 2026 [elapsed=268 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Nov 9 19:19:46 -03 2026 [elapsed=290 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=769/0 spi=53.8 IDLE
Mon Nov 9 19:19:46 -03 2026 [elapsed=290 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (6 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.7C)
Checking CCD plane: Z0=-198.00 DZDX=+453.00 DZDY=-412.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=769 IDLE
Mon Nov 9 19:19:46 -03 2026 [elapsed=290 sec] WEATHER
status weather: clear 30.8C 27% 7/9kph@263 DP20.5C/45C/d IDLE
...OK
Mon Nov 9 19:19:47 -03 2026 [elapsed=291 sec] MET
status...OK
met: c=N o=Y Ro7d Co3h Wo7d Ho7d To1d Do7d IDLE
Mon Nov 9 19:19:47 -03 2026 [elapsed=291 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Nov 9 19:19:49 -03 2026 [elapsed=293 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 339.56 -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 2 0.1mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.051s 118 1.3%
A 0.081s 392 4.3%
A 0.111s 729 8.0%
A 0.142s 1200 13.1%
A 0.172s 1772 19.4%
A 0.202s 2464 26.9%
A 0.232s 3263 35.6%
A 0.263s 4165 45.5%
A 0.293s 5110 55.8%
A 0.324s 6009 65.6%
A 0.354s 6803 74.3%
A 0.384s 7452 81.4%
A 0.415s 8030 87.7%
A 0.445s 8469 92.5%
A 0.475s 8801 96.1%
A 0.506s 9032 98.7%
A 0.536s 9138 99.8%
A 0.566s 9152 100.0%
B 0.020s 1 0.0%
B 0.051s 88 1.0%
B 0.081s 378 4.1%
B 0.111s 736 8.0%
B 0.142s 1191 13.0%
B 0.172s 1782 19.5%
B 0.203s 2469 27.0%
B 0.233s 3282 35.9%
B 0.263s 4201 45.9%
B 0.294s 5143 56.2%
B 0.324s 6022 65.8%
B 0.354s 6800 74.3%
B 0.385s 7450 81.4%
B 0.415s 8026 87.7%
B 0.445s 8471 92.5%
B 0.475s 8800 96.1%
B 0.506s 9036 98.7%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9063 99.0%
A 0.081s 8768 95.8%
A 0.111s 8425 92.0%
A 0.142s 7958 86.9%
A 0.172s 7375 80.6%
A 0.202s 6688 73.1%
A 0.233s 5869 64.1%
A 0.263s 4952 54.1%
A 0.293s 4026 44.0%
A 0.324s 3134 34.2%
A 0.354s 2355 25.7%
A 0.384s 1697 18.5%
A 0.415s 1126 12.3%
A 0.445s 691 7.5%
A 0.476s 349 3.8%
A 0.506s 124 1.4%
A 0.536s 10 0.1%
A 0.567s -3 0.0%
B 0.020s 9147 99.9%
B 0.050s 9041 98.8%
B 0.081s 8774 95.8%
B 0.111s 8419 92.0%
B 0.142s 7963 87.0%
B 0.172s 7379 80.6%
B 0.202s 6663 72.8%
B 0.233s 5874 64.2%
B 0.263s 4958 54.2%
B 0.293s 4005 43.8%
B 0.324s 3143 34.3%
B 0.354s 2351 25.7%
B 0.384s 1696 18.5%
B 0.415s 1135 12.4%
B 0.445s 674 7.4%
B 0.476s 352 3.8%
B 0.506s 122 1.3%
B 0.536s 6 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 0.0 percent in 0.567 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=1.2e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9896 IDLE
Mon Nov 9 19:20:26 -03 2026 [elapsed=330 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=769/0 spi=53.8 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Nov 9 19:20 /atlas/obs/04a/61354/04a61354e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Nov 9 19:20:48 -03 2026 [elapsed=352 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (39 seconds old)
OTA humidity level...OK (12%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Nov 9 19:20:48 -03 2026 [elapsed=352 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61353.93112273|info|galildriver|using focus model: foc=9830+(3.50)*23.9+(-0.35)*60.3=9892.6
61353.93112775|info|galildriver|c 4 IN | cass: 9135763 45.68 mm b=23 move=NO | arm: 407013 473.83 mm b=03 move=OK | foc: 53271561 9896 um b=8f M [focus]
61353.93113790|info|galildriver|c 4 IN | cass: 9135767 45.68 mm b=23 move=NO | arm: 407013 473.83 mm b=03 move=OK | foc: 53272007 9894 um b=0f [cmd]
bestfocus for c...OK
Mon Nov 9 19:20:50 -03 2026 [elapsed=354 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Nov 9 19:21:19 -03 2026 [elapsed=383 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.
Mon Nov 9 19:21:20 -03 2026 [elapsed=384 sec] Happy observing!
Mon Nov 9 19:21:20 -03 2026 [elapsed=384 sec] Preflight took 384 seconds to complete.
Mon Nov 9 19:21:20 -03 2026 [elapsed=384 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 115 1.3% A 0.081s 383 4.2% A 0.111s 736 8.0% A 0.141s 1198 13.1% A 0.171s 1781 19.5% A 0.202s 2465 26.9% A 0.232s 3267 35.7% A 0.262s 4174 45.6% A 0.293s 5103 55.7% A 0.323s 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7434 81.2% A 0.414s 8004 87.4% A 0.444s 8459 92.4% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.535s 9139 99.8% A 0.565s 9154 100.0% B 0.020s 2 0.0% B 0.050s 111 1.2% B 0.081s 379 4.1% B 0.111s 727 7.9% B 0.141s 1203 13.1% B 0.171s 1774 19.4% B 0.201s 2467 26.9% B 0.232s 3268 35.7% B 0.262s 4136 45.2% B 0.292s 5075 55.4% B 0.322s 5961 65.1% B 0.352s 6749 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.443s 8443 92.2% B 0.473s 8786 96.0% B 0.504s 9018 98.5% B 0.534s 9137 99.8% B 0.564s 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 8408 91.9% A 0.141s 7941 86.7% A 0.171s 7360 80.4% A 0.202s 6667 72.8% A 0.232s 5867 64.1% A 0.262s 4982 54.4% A 0.292s 4008 43.8% A 0.322s 3167 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1145 12.5% A 0.443s 692 7.6% A 0.473s 359 3.9% A 0.504s 124 1.4% A 0.534s 13 0.1% 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 7950 86.8% B 0.171s 7378 80.6% B 0.202s 6689 73.1% B 0.232s 5893 64.4% B 0.262s 4979 54.4% B 0.292s 4052 44.3% B 0.322s 3163 34.6% B 0.353s 2395 26.2% B 0.383s 1702 18.6% B 0.413s 1144 12.5% B 0.444s 699 7.6% B 0.474s 354 3.9% B 0.504s 133 1.5% B 0.534s 15 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R