CHL Preflight Night 61234
Executing preflight for 61234 at Sun Jul 12 17:00:47 -04 2026.
Log can be found in /atlas/obs/04/61234/preflight.dat.
Setting donefile '/atlas/obs/04/61234/preflight_complete.20260712210047.6069' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260712210047.6069.
Sun Jul 12 17:00:47 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Jul 12 17:00:47 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [cf5fd5e3-4cba-4c85-8c0c-c8f778e3dd16;1800]
Sun Jul 12 17:00:47 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sun Jul 12 17:00:48 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sun Jul 12 17:00:48 -04 2026 [elapsed=1 sec] auxcam is disabled.
Sun Jul 12 17:00:48 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Jul 12 17:00:48 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1783890042
OK
Sun Jul 12 17:00:48 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Jul 12 17:00:48 -04 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 Jul 12 17:00:49 -04 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 Jul 12 17:00:50 -04 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Jul 12 17:00:50 -04 2026 [elapsed=3 sec] CLOCKS
admin: Sun Jul 12 21:00:50 UTC 2026
met: 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 26 128 377 0.285 1.874 0.727
*10.0.11.4 .GPS. 1 u 99 128 377 0.447 1.933 0.658
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-alphyn.canonica 132.163.96.1 2 u 241 256 377 149.132 -4.431 0.798
+185.125.190.56 99.220.8.133 2 u 32 128 377 216.513 -2.603 1.832
-185.125.190.58 146.131.121.246 2 u 165 256 377 224.367 -6.351 1.902
-185.125.190.57 99.220.8.133 2 u 111 256 377 225.519 -7.202 1.542
Sun Jul 12 17:00:51 -04 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (4626GB)
200GB available in /atlas/red...OK (8830GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 5.8T 4.5T 57% /
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 5.3T 8.5T 39% /
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc2:/dev/md0p1 15T 657G 13T 5% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 903G 13T 7% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc4:/dev/md0p1 15T 696G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Sun Jul 12 17:00:51 -04 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 Jul 12 17:00:51 -04 2026 [elapsed=4 sec] Disabling mount tracking.
Sun Jul 12 17:00:52 -04 2026 [elapsed=5 sec] SERVICES2
Sun Jul 12 17:00:52 -04 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Jul 12 17:00:56 -04 2026 [elapsed=9 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=1.54e+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 Jul 12 17:04:14 -04 2026 [elapsed=207 sec] MOUNT
blinky status...OK
motor logsWARNING: stale motor logs; check that logger is running on POC
slewing to az=70,alt=70...OK
slewing to az=290,alt=70...OK
parking...OK
mount: 174.52 -27.58, az/alt=324.53 +86.48 slewing(e) IDLE
Sun Jul 12 17:07:22 -04 2026 [elapsed=395 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=slewing IDLE
Sun Jul 12 17:08:38 -04 2026 [elapsed=471 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.3 IDLE
Sun Jul 12 17:08:38 -04 2026 [elapsed=471 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (10 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.5C)
Checking CCD plane: Z0=-198.00 DZDX=+481.00 DZDY=-415.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Jul 12 17:08:38 -04 2026 [elapsed=471 sec] WEATHER
status weather: clear 25.2C 13% 5/11kph@307 DP28.1C/-54C/d IDLE
...OK
Sun Jul 12 17:08:39 -04 2026 [elapsed=472 sec] MET
status...OK
met: c=N o=Y Ro9h Co7h Wo9h Ho9h To9h Do9h IDLE
Sun Jul 12 17:08:39 -04 2026 [elapsed=472 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Jul 12 17:08:40 -04 2026 [elapsed=473 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 174.80 -27.58, az/alt=324.50 +86.48 slewing(e) 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 0 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 105 1.1%
A 0.081s 397 4.3%
A 0.111s 741 8.1%
A 0.142s 1222 13.3%
A 0.172s 1794 19.6%
A 0.202s 2488 27.2%
A 0.232s 3287 35.9%
A 0.263s 4198 45.9%
A 0.293s 5139 56.1%
A 0.323s 6009 65.6%
A 0.354s 6805 74.3%
A 0.384s 7452 81.4%
A 0.414s 8028 87.7%
A 0.444s 8471 92.5%
A 0.475s 8797 96.1%
A 0.505s 9037 98.7%
A 0.535s 9141 99.9%
A 0.565s 9155 100.0%
B 0.020s 4 0.0%
B 0.050s 107 1.2%
B 0.081s 391 4.3%
B 0.111s 749 8.2%
B 0.141s 1211 13.2%
B 0.172s 1802 19.7%
B 0.202s 2492 27.2%
B 0.232s 3280 35.8%
B 0.262s 4202 45.9%
B 0.293s 5143 56.2%
B 0.323s 6023 65.8%
B 0.353s 6802 74.3%
B 0.384s 7449 81.4%
B 0.414s 8027 87.7%
B 0.444s 8469 92.5%
B 0.474s 8798 96.1%
B 0.505s 9038 98.7%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.051s 9033 98.7%
A 0.081s 8761 95.7%
A 0.111s 8411 91.9%
A 0.141s 7938 86.7%
A 0.172s 7355 80.3%
A 0.202s 6663 72.8%
A 0.232s 5872 64.1%
A 0.263s 4949 54.1%
A 0.293s 4024 44.0%
A 0.323s 3137 34.3%
A 0.354s 2356 25.7%
A 0.384s 1695 18.5%
A 0.414s 1126 12.3%
A 0.445s 692 7.6%
A 0.475s 346 3.8%
A 0.505s 127 1.4%
A 0.536s 9 0.1%
B 0.020s 9148 99.9%
B 0.051s 9037 98.7%
B 0.081s 8761 95.7%
B 0.112s 8405 91.8%
B 0.142s 7944 86.8%
B 0.172s 7334 80.1%
B 0.202s 6639 72.5%
B 0.233s 5845 63.9%
B 0.263s 4927 53.8%
B 0.294s 3976 43.4%
B 0.324s 3115 34.0%
B 0.354s 2329 25.4%
B 0.385s 1680 18.4%
B 0.415s 1118 12.2%
B 0.445s 662 7.2%
B 0.476s 342 3.7%
B 0.506s 116 1.3%
B 0.536s 6 0.1%
A 0 0.0mm 15 N F R | B -1 -0.0mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.565 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.1 percent in 0.536 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=1.15e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9889 IDLE
Sun Jul 12 17:09:17 -04 2026 [elapsed=510 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.3 IDLE
taking preflight exposures:
acam...OK
acam image:
154M Jul 12 17:09 /atlas/obs/04a/61234/04a61234e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Jul 12 17:09:39 -04 2026 [elapsed=532 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (7 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Jul 12 17:09:39 -04 2026 [elapsed=532 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61233.88171079|info|galildriver|using focus model: foc=9830+(3.50)*24.8+(-0.35)*80.0=9888.8
61233.88171547|info|galildriver|o 3 IN | cass: 6097412 30.49 mm b=23 move=NO | arm: 406814 473.60 mm b=03 move=OK | foc: 53273027 9889 um b=0f [cmd]
bestfocus for o...OK
Sun Jul 12 17:09:41 -04 2026 [elapsed=534 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ...
Sun Jul 12 17:10:41 -04 2026 [elapsed=594 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 115 1.3% A 0.081s 386 4.2% A 0.111s 736 8.0% A 0.141s 1196 13.1% A 0.172s 1784 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4175 45.6% A 0.293s 5103 55.7% A 0.323s 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.414s 8005 87.4% A 0.444s 8457 92.4% A 0.474s 8792 96.0% A 0.504s 9027 98.6% A 0.534s 9138 99.8% A 0.565s 9153 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 379 4.1% B 0.111s 727 7.9% B 0.141s 1202 13.1% B 0.171s 1772 19.4% B 0.201s 2466 26.9% B 0.232s 3270 35.7% B 0.262s 4138 45.2% B 0.292s 5071 55.4% B 0.322s 5961 65.1% B 0.352s 6749 73.7% B 0.383s 7421 81.1% B 0.413s 7985 87.2% B 0.443s 8442 92.2% B 0.473s 8786 96.0% B 0.504s 9017 98.5% B 0.534s 9136 99.8% B 0.564s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9056 98.9% A 0.081s 8787 96.0% A 0.111s 8434 92.1% A 0.141s 7975 87.1% A 0.171s 7401 80.8% A 0.201s 6715 73.4% A 0.232s 5922 64.7% A 0.262s 5013 54.8% A 0.292s 4068 44.4% A 0.322s 3192 34.9% A 0.353s 2411 26.3% A 0.383s 1731 18.9% A 0.413s 1180 12.9% A 0.443s 719 7.9% A 0.473s 377 4.1% A 0.504s 137 1.5% A 0.534s 17 0.2% A 0.564s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9018 98.5% B 0.081s 8772 95.8% B 0.111s 8422 92.0% B 0.141s 7953 86.9% B 0.171s 7378 80.6% B 0.202s 6690 73.1% B 0.232s 5892 64.4% B 0.262s 4979 54.4% B 0.292s 4055 44.3% B 0.322s 3163 34.6% B 0.353s 2392 26.1% B 0.383s 1702 18.6% B 0.413s 1148 12.5% B 0.443s 700 7.6% B 0.474s 356 3.9% B 0.504s 134 1.5% B 0.534s 14 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R