CHL Preflight Night 61325
Executing preflight for 61325 at Sun Oct 11 18:53:03 -03 2026.
Log can be found in /atlas/obs/04/61325/preflight.dat.
Setting donefile '/atlas/obs/04/61325/preflight_complete.20261011215303.15695' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261011215303.15695.
Sun Oct 11 18:53:03 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Oct 11 18:53:03 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [dd1edcf9-dce0-4434-878b-84c0156d6106;1800]
Sun Oct 11 18:53:03 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sun Oct 11 18:53:04 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sun Oct 11 18:53:04 -03 2026 [elapsed=1 sec] auxcam is disabled.
Sun Oct 11 18:53:04 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Oct 11 18:53:04 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1791755580
OK
Sun Oct 11 18:53:04 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Oct 11 18:53:04 -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 11 18:53:05 -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 11 18:53:06 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Oct 11 18:53:06 -03 2026 [elapsed=3 sec] CLOCKS
admin: Sun Oct 11 21:53:06 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 216 1024 377 0.340 -0.624 1.131
*10.0.11.4 .GPS. 1 u 728 1024 377 0.413 -0.693 1.486
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 204 1024 377 225.928 -14.615 2.859
-185.125.190.56 29.88.99.4 2 u 618 1024 377 220.604 -12.426 1.427
-185.125.190.57 29.88.99.4 2 u 158 1024 377 214.628 -10.771 1.267
+alphyn.canonica 132.163.96.1 2 u 261 1024 277 158.236 -3.504 2.080
Sun Oct 11 18:53:06 -03 2026 [elapsed=3 sec] DISKS
200GB available in /atlas/obs...OK (8017GB)
200GB available in /atlas/red...OK (11309GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 2.6T 7.7T 26% /
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 2.9T 11T 21% /
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
Sun Oct 11 18:53:06 -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
Sun Oct 11 18:53:07 -03 2026 [elapsed=4 sec] Disabling mount tracking.
Sun Oct 11 18:53:07 -03 2026 [elapsed=4 sec] Closing dome.
Sun Oct 11 18:53:25 -03 2026 [elapsed=22 sec] SERVICES2
Sun Oct 11 18:53:25 -03 2026 [elapsed=22 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Oct 11 18:53:29 -03 2026 [elapsed=26 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= 910kB time=00:00:29.12 bitrate= 256.0kbits/s speed=1.59e+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 11 18:56:46 -03 2026 [elapsed=223 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: 276.87 -27.58, az/alt=324.79 +86.49 idle(e) IDLE
Sun Oct 11 18:57:40 -03 2026 [elapsed=277 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Oct 11 18:58:01 -03 2026 [elapsed=298 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Sun Oct 11 18:58:01 -03 2026 [elapsed=298 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 (-54.3C)
Checking CCD plane: Z0=-194.00 DZDX=+455.00 DZDY=-421.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Oct 11 18:58:01 -03 2026 [elapsed=298 sec] WEATHER
status weather: C 19.9C 26% 11/17kph@302 DP23.0C/114C/d IDLE
...OK
Sun Oct 11 18:58:02 -03 2026 [elapsed=299 sec] MET
status...OK
met: c=N o=Y Ro11h Co8h Wo2d Ho2d To2d Do2d IDLE
Sun Oct 11 18:58:02 -03 2026 [elapsed=299 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Oct 11 18:58:02 -03 2026 [elapsed=299 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 305.52 -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 10 0.1%
A 0.051s 100 1.1%
A 0.081s 383 4.2%
A 0.111s 726 7.9%
A 0.142s 1206 13.2%
A 0.172s 1777 19.4%
A 0.202s 2463 26.9%
A 0.232s 3257 35.6%
A 0.263s 4165 45.5%
A 0.293s 5118 55.9%
A 0.324s 5979 65.3%
A 0.354s 6783 74.1%
A 0.384s 7432 81.2%
A 0.414s 8011 87.5%
A 0.445s 8461 92.4%
A 0.475s 8794 96.1%
A 0.505s 9032 98.7%
A 0.536s 9140 99.8%
A 0.566s 9157 100.0%
B 0.020s 3 0.0%
B 0.051s 97 1.1%
B 0.081s 383 4.2%
B 0.111s 746 8.1%
B 0.141s 1209 13.2%
B 0.172s 1802 19.7%
B 0.202s 2493 27.2%
B 0.232s 3281 35.8%
B 0.262s 4199 45.9%
B 0.293s 5143 56.2%
B 0.323s 6021 65.8%
B 0.353s 6802 74.3%
B 0.384s 7451 81.4%
B 0.414s 8026 87.7%
B 0.444s 8471 92.5%
B 0.475s 8801 96.1%
B 0.505s 9037 98.7%
B 0.535s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.051s 9047 98.8%
A 0.081s 8763 95.7%
A 0.111s 8415 91.9%
A 0.142s 7946 86.8%
A 0.172s 7350 80.3%
A 0.202s 6666 72.8%
A 0.233s 5868 64.1%
A 0.263s 4924 53.8%
A 0.294s 3994 43.6%
A 0.324s 3109 34.0%
A 0.355s 2334 25.5%
A 0.385s 1674 18.3%
A 0.416s 1108 12.1%
A 0.446s 665 7.3%
A 0.476s 329 3.6%
A 0.507s 113 1.2%
A 0.537s 7 0.1%
B 0.020s 9147 99.9%
B 0.051s 9032 98.7%
B 0.081s 8762 95.7%
B 0.111s 8406 91.8%
B 0.142s 7942 86.8%
B 0.172s 7358 80.4%
B 0.202s 6663 72.8%
B 0.233s 5845 63.9%
B 0.263s 4927 53.8%
B 0.293s 3976 43.4%
B 0.324s 3115 34.0%
B 0.354s 2329 25.4%
B 0.385s 1676 18.3%
B 0.415s 1119 12.2%
B 0.445s 664 7.3%
B 0.476s 339 3.7%
B 0.506s 115 1.3%
B 0.536s 4 0.0%
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 0.535 seconds.
Shutter A closed to 0.1 percent in 0.537 seconds.
Shutter B closed to 0.0 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.19e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9875 IDLE
Sun Oct 11 18:58:37 -03 2026 [elapsed=334 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 11 18:58 /atlas/obs/04a/61325/04a61325e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Oct 11 18:59:00 -03 2026 [elapsed=357 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (81 seconds old)
OTA humidity level...OK (11%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Oct 11 18:59:00 -03 2026 [elapsed=357 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61324.91598179|info|galildriver|using focus model: foc=9830+(3.50)*17.4+(-0.35)*60.2=9869.8
61324.91598681|info|galildriver|c 4 IN | cass: 9139765 45.70 mm b=23 move=NO | arm: 406865 473.66 mm b=03 move=OK | foc: 53275772 9875 um b=8f M [focus]
61324.91599697|info|galildriver|c 4 IN | cass: 9139763 45.70 mm b=23 move=NO | arm: 406865 473.66 mm b=03 move=OK | foc: 53276045 9874 um b=0f [cmd]
bestfocus for c...OK
Sun Oct 11 18:59:02 -03 2026 [elapsed=359 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Oct 11 18:59:29 -03 2026 [elapsed=386 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 11 18:59:30 -03 2026 [elapsed=387 sec] Happy observing!
Sun Oct 11 18:59:30 -03 2026 [elapsed=387 sec] Preflight took 387 seconds to complete.
Sun Oct 11 18:59:30 -03 2026 [elapsed=387 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 108 1.2% A 0.081s 373 4.1% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.171s 1761 19.2% A 0.202s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.292s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6753 73.8% A 0.383s 7413 81.0% A 0.413s 7985 87.2% A 0.443s 8447 92.3% A 0.474s 8785 96.0% A 0.504s 9015 98.5% A 0.534s 9136 99.8% A 0.564s 9155 100.0% B 0.020s 1 0.0% B 0.050s 121 1.3% B 0.081s 389 4.2% B 0.111s 742 8.1% B 0.141s 1218 13.3% B 0.171s 1793 19.6% B 0.202s 2491 27.2% B 0.232s 3296 36.0% B 0.262s 4198 45.9% B 0.292s 5103 55.7% B 0.322s 5987 65.4% B 0.353s 6772 74.0% B 0.383s 7440 81.3% B 0.413s 8002 87.4% B 0.443s 8457 92.4% B 0.474s 8794 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.564s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9049 98.9% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 7381 80.6% A 0.202s 6692 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.292s 4068 44.4% A 0.322s 3194 34.9% A 0.353s 2410 26.3% A 0.383s 1731 18.9% A 0.413s 1162 12.7% A 0.443s 705 7.7% A 0.474s 368 4.0% A 0.504s 130 1.4% A 0.534s 15 0.2% A 0.564s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9021 98.5% B 0.081s 8772 95.8% B 0.111s 8436 92.2% B 0.141s 7970 87.1% B 0.171s 7400 80.8% B 0.201s 6714 73.3% B 0.232s 5922 64.7% B 0.262s 5012 54.8% B 0.292s 4086 44.6% B 0.322s 3191 34.9% B 0.352s 2416 26.4% B 0.383s 1722 18.8% B 0.413s 1162 12.7% B 0.443s 711 7.8% B 0.473s 365 4.0% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R