CHL Preflight Night 61333
Executing preflight for 61333 at Mon Oct 19 18:58:30 -03 2026.
Log can be found in /atlas/obs/04/61333/preflight.dat.
Setting donefile '/atlas/obs/04/61333/preflight_complete.20261019215830.18223' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261019215830.18223.
Mon Oct 19 18:58:30 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Oct 19 18:58:30 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [ada5b5d4-2837-4e66-b66d-2a3f75bca186;1800]
Mon Oct 19 18:58:30 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Mon Oct 19 18:58:30 -03 2026 [elapsed=0 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Mon Oct 19 18:58:30 -03 2026 [elapsed=0 sec] auxcam is disabled.
Mon Oct 19 18:58:30 -03 2026 [elapsed=0 sec] Skipping auxcam.
error: unknown module: vent
Mon Oct 19 18:58:30 -03 2026 [elapsed=0 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1792447106
OK
Mon Oct 19 18:58:30 -03 2026 [elapsed=0 sec] OPSEC
AUTO mode: ...OK
Mon Oct 19 18:58:30 -03 2026 [elapsed=0 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 Oct 19 18:58:32 -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
Mon Oct 19 18:58:32 -03 2026 [elapsed=2 sec] QUEUE
0 observations queued.
Mon Oct 19 18:58:32 -03 2026 [elapsed=2 sec] CLOCKS
admin: Mon Oct 19 21:58:32 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 220 256 377 0.273 -0.869 0.142
*10.0.11.4 .GPS. 1 u 187 256 377 0.385 -0.618 0.141
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 416 512 377 225.932 -16.333 1.645
-185.125.190.56 29.88.99.4 2 u 348 512 377 216.851 -10.543 2.283
-185.125.190.57 29.88.99.4 2 u 308 512 377 219.455 -12.544 1.803
+alphyn.canonica 132.163.96.1 2 u 120 256 177 139.369 -1.214 2.504
Mon Oct 19 18:58:33 -03 2026 [elapsed=3 sec] DISKS
200GB available in /atlas/obs...OK (7585GB)
200GB available in /atlas/red...OK (10937GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 3.0T 7.3T 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 453G 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
Mon Oct 19 18:58:33 -03 2026 [elapsed=3 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 Oct 19 18:58:33 -03 2026 [elapsed=3 sec] Disabling mount tracking.
Mon Oct 19 18:58:34 -03 2026 [elapsed=4 sec] SERVICES2
Mon Oct 19 18:58:34 -03 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Oct 19 18:58:38 -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
Mon Oct 19 19:01:55 -03 2026 [elapsed=205 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: 286.04 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Mon Oct 19 19:02:50 -03 2026 [elapsed=260 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Oct 19 19:03:12 -03 2026 [elapsed=282 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Mon Oct 19 19:03:12 -03 2026 [elapsed=282 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (4 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=+458.00 DZDY=-417.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Oct 19 19:03:12 -03 2026 [elapsed=282 sec] WEATHER
status weather: C 20.4C 47% 4/11kph@280 DP11.0C/-32C/d IDLE
...OK
Mon Oct 19 19:03:13 -03 2026 [elapsed=283 sec] MET
status...OK
met: c=N o=N Ro7h Cx0 Wo10d Ho10d To10d Do6d wait C IDLE
Mon Oct 19 19:03:13 -03 2026 [elapsed=283 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Oct 19 19:03:13 -03 2026 [elapsed=283 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 314.71 -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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 11 0.1%
A 0.051s 110 1.2%
A 0.081s 389 4.2%
A 0.111s 737 8.1%
A 0.141s 1210 13.2%
A 0.172s 1798 19.6%
A 0.202s 2489 27.2%
A 0.232s 3281 35.8%
A 0.263s 4204 45.9%
A 0.293s 5138 56.1%
A 0.323s 6008 65.6%
A 0.354s 6809 74.4%
A 0.384s 7452 81.4%
A 0.414s 8030 87.7%
A 0.445s 8468 92.5%
A 0.475s 8803 96.2%
A 0.505s 9033 98.7%
A 0.536s 9142 99.9%
A 0.566s 9160 100.0%
B 0.020s 2 0.0%
B 0.051s 90 1.0%
B 0.081s 374 4.1%
B 0.111s 735 8.0%
B 0.142s 1193 13.0%
B 0.172s 1780 19.4%
B 0.202s 2492 27.2%
B 0.233s 3282 35.9%
B 0.263s 4201 45.9%
B 0.293s 5142 56.2%
B 0.324s 6020 65.8%
B 0.354s 6803 74.3%
B 0.384s 7452 81.4%
B 0.415s 8026 87.7%
B 0.445s 8472 92.5%
B 0.475s 8801 96.1%
B 0.506s 9037 98.7%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9058 99.0%
A 0.081s 8772 95.8%
A 0.111s 8433 92.1%
A 0.141s 7974 87.1%
A 0.172s 7359 80.4%
A 0.202s 6690 73.1%
A 0.232s 5894 64.4%
A 0.263s 4981 54.4%
A 0.293s 4057 44.3%
A 0.323s 3164 34.6%
A 0.353s 2381 26.0%
A 0.384s 1711 18.7%
A 0.414s 1139 12.4%
A 0.444s 705 7.7%
A 0.475s 346 3.8%
A 0.505s 126 1.4%
A 0.535s 9 0.1%
B 0.020s 9148 99.9%
B 0.051s 9041 98.8%
B 0.081s 8761 95.7%
B 0.111s 8406 91.8%
B 0.142s 7944 86.8%
B 0.172s 7357 80.4%
B 0.202s 6663 72.8%
B 0.233s 5872 64.1%
B 0.263s 4959 54.2%
B 0.293s 4007 43.8%
B 0.324s 3141 34.3%
B 0.354s 2351 25.7%
B 0.384s 1697 18.5%
B 0.414s 1135 12.4%
B 0.445s 675 7.4%
B 0.475s 351 3.8%
B 0.505s 121 1.3%
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 0.535 seconds.
Shutter B closed to 0.1 percent in 0.536 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=o[3] foc=9875 IDLE
Mon Oct 19 19:03:51 -03 2026 [elapsed=321 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
156M Oct 19 19:04 /atlas/obs/04a/61333/04a61333e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Oct 19 19:04:13 -03 2026 [elapsed=343 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (34 seconds old)
OTA humidity level...OK (11%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Oct 19 19:04:13 -03 2026 [elapsed=343 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61332.91960401|info|galildriver|using focus model: foc=9830+(3.50)*18.6+(-0.35)*60.3=9874.0
61332.91960869|info|galildriver|o 3 IN | cass: 6103825 30.52 mm b=23 move=NO | arm: 406843 473.63 mm b=03 move=OK | foc: 53275815 9875 um b=0f [cmd]
bestfocus for o...OK
Mon Oct 19 19:04:14 -03 2026 [elapsed=344 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Oct 19 19:04:42 -03 2026 [elapsed=372 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 Oct 19 19:04:43 -03 2026 [elapsed=373 sec] Happy observing!
Mon Oct 19 19:04:43 -03 2026 [elapsed=373 sec] Preflight took 373 seconds to complete.
Mon Oct 19 19:04:43 -03 2026 [elapsed=373 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 107 1.2% A 0.081s 375 4.1% A 0.111s 737 8.1% A 0.142s 1197 13.1% A 0.172s 1783 19.5% A 0.202s 2466 26.9% A 0.232s 3238 35.4% A 0.262s 4144 45.3% A 0.293s 5073 55.4% A 0.323s 5969 65.2% A 0.353s 6753 73.8% A 0.383s 7413 81.0% A 0.413s 7988 87.3% A 0.444s 8447 92.3% A 0.474s 8784 96.0% A 0.504s 9021 98.5% A 0.534s 9138 99.8% A 0.565s 9153 100.0% B 0.020s 1 0.0% B 0.050s 104 1.1% B 0.081s 370 4.0% B 0.111s 714 7.8% B 0.141s 1185 12.9% B 0.171s 1752 19.1% B 0.201s 2444 26.7% B 0.232s 3239 35.4% B 0.262s 4106 44.9% B 0.292s 5074 55.4% B 0.322s 5934 64.8% B 0.352s 6725 73.5% B 0.383s 7400 80.8% B 0.413s 7969 87.1% B 0.443s 8431 92.1% B 0.473s 8777 95.9% B 0.504s 9013 98.5% B 0.534s 9135 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9153 100.0% A 0.050s 9050 98.9% A 0.081s 8780 95.9% A 0.111s 8423 92.0% A 0.141s 7960 87.0% A 0.171s 7384 80.7% A 0.202s 6693 73.1% A 0.232s 5897 64.4% A 0.262s 4985 54.5% A 0.292s 4039 44.1% A 0.322s 3168 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1147 12.5% A 0.443s 693 7.6% A 0.473s 368 4.0% A 0.504s 125 1.4% A 0.534s 16 0.2% A 0.564s 2 0.0% B 0.020s 9143 99.9% B 0.050s 9025 98.6% B 0.080s 8780 95.9% B 0.111s 8434 92.1% B 0.141s 7967 87.0% B 0.171s 7398 80.8% B 0.201s 6714 73.3% B 0.232s 5921 64.7% B 0.262s 5010 54.7% B 0.292s 4081 44.6% B 0.322s 3190 34.8% B 0.353s 2419 26.4% B 0.383s 1725 18.8% B 0.413s 1159 12.7% B 0.443s 712 7.8% B 0.474s 364 4.0% B 0.504s 137 1.5% B 0.534s 15 0.2% B 0.564s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R