CHL Preflight Night 61211
Executing preflight for 61211 at Fri Jun 19 16:52:07 -04 2026.
Log can be found in /atlas/obs/04/61211/preflight.dat.
Setting donefile '/atlas/obs/04/61211/preflight_complete.20260619205207.11639' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260619205207.11639.
Fri Jun 19 16:52:07 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jun 19 16:52:07 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [6b692714-e390-451d-9506-c1dbd1356dfb;1800]
Fri Jun 19 16:52:07 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Jun 19 16:52:08 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Jun 19 16:52:08 -04 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jun 19 16:52:08 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jun 19 16:52:08 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1781902322
OK
Fri Jun 19 16:52:08 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jun 19 16:52:08 -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
Fri Jun 19 16:52:09 -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
Fri Jun 19 16:52:10 -04 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Jun 19 16:52:10 -04 2026 [elapsed=3 sec] CLOCKS
admin: Fri Jun 19 20:52:10 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 62 1024 377 0.292 -0.224 0.119
*10.0.11.4 .GPS. 1 u 568 1024 377 0.670 -0.069 0.165
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-alphyn.canonica 132.163.96.1 2 u 1731 1024 376 149.213 -6.595 1.013
-185.125.190.56 99.220.8.133 2 u 356 1024 377 216.188 -4.755 0.948
+185.125.190.58 146.131.121.246 2 u 889 1024 377 217.182 -4.737 0.629
-185.125.190.57 99.220.8.133 2 u 200 1024 377 218.442 -6.228 1.184
Fri Jun 19 16:52:11 -04 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (4424GB)
200GB available in /atlas/red...OK (8907GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 6.0T 4.3T 59% /
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 5.2T 8.5T 38% /
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 450G 13T 4% /
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
Fri Jun 19 16:52:11 -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
Fri Jun 19 16:52:11 -04 2026 [elapsed=4 sec] Disabling mount tracking.
Fri Jun 19 16:52:11 -04 2026 [elapsed=4 sec] SERVICES2
Fri Jun 19 16:52:11 -04 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jun 19 16:52:15 -04 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=1.56e+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
Fri Jun 19 16:55:32 -04 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: 149.17 -27.58, az/alt=324.65 +86.48 idle(e) IDLE
Fri Jun 19 16:56:30 -04 2026 [elapsed=263 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jun 19 16:56:52 -04 2026 [elapsed=285 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.6 IDLE
Fri Jun 19 16:56:52 -04 2026 [elapsed=285 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (3 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=+464.00 DZDY=-414.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=10 IDLE
Fri Jun 19 16:56:52 -04 2026 [elapsed=285 sec] WEATHER
status weather: clear 20.9C 10% 7/13kph@284 DP30.2C/-44C/d IDLE
...OK
Fri Jun 19 16:56:53 -04 2026 [elapsed=286 sec] MET
status...OK
met: c=N o=Y Ro14h Co14h Wo14h Ho14h To14h Do14h IDLE
Fri Jun 19 16:56:53 -04 2026 [elapsed=286 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jun 19 16:56:53 -04 2026 [elapsed=286 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 177.83 -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 -1 -0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 9 0.1%
A 0.051s 99 1.1%
A 0.081s 373 4.1%
A 0.111s 728 8.0%
A 0.142s 1207 13.2%
A 0.172s 1775 19.4%
A 0.202s 2464 26.9%
A 0.232s 3257 35.6%
A 0.263s 4171 45.6%
A 0.293s 5113 55.9%
A 0.323s 5979 65.3%
A 0.353s 6783 74.1%
A 0.384s 7432 81.2%
A 0.414s 8012 87.5%
A 0.445s 8458 92.4%
A 0.475s 8794 96.1%
A 0.506s 9029 98.6%
A 0.536s 9138 99.8%
A 0.566s 9155 100.0%
B 0.020s 2 0.0%
B 0.050s 93 1.0%
B 0.081s 385 4.2%
B 0.111s 747 8.2%
B 0.141s 1206 13.2%
B 0.172s 1800 19.7%
B 0.202s 2491 27.2%
B 0.232s 3280 35.8%
B 0.262s 4200 45.9%
B 0.293s 5142 56.2%
B 0.323s 6022 65.8%
B 0.353s 6803 74.3%
B 0.384s 7452 81.4%
B 0.414s 8027 87.7%
B 0.444s 8471 92.5%
B 0.475s 8811 96.3%
B 0.505s 9043 98.8%
B 0.535s 9149 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9049 98.9%
A 0.081s 8761 95.7%
A 0.112s 8402 91.8%
A 0.142s 7927 86.6%
A 0.172s 7329 80.1%
A 0.203s 6642 72.6%
A 0.233s 5841 63.8%
A 0.264s 4922 53.8%
A 0.294s 3966 43.3%
A 0.325s 3079 33.6%
A 0.355s 2316 25.3%
A 0.386s 1650 18.0%
A 0.416s 1093 11.9%
A 0.446s 668 7.3%
A 0.476s 329 3.6%
A 0.507s 115 1.3%
A 0.537s 6 0.1%
B 0.020s 9147 99.9%
B 0.050s 9032 98.7%
B 0.081s 8762 95.7%
B 0.111s 8404 91.8%
B 0.141s 7943 86.8%
B 0.172s 7358 80.4%
B 0.202s 6663 72.8%
B 0.233s 5871 64.1%
B 0.263s 4959 54.2%
B 0.293s 4007 43.8%
B 0.324s 3140 34.3%
B 0.354s 2351 25.7%
B 0.384s 1679 18.3%
B 0.415s 1117 12.2%
B 0.445s 662 7.2%
B 0.475s 342 3.7%
B 0.506s 115 1.3%
B 0.536s 3 0.0%
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 0.535 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= 228kB time=00:00:07.29 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=9878 IDLE
Fri Jun 19 16:57:29 -04 2026 [elapsed=322 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.6 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Jun 19 16:57 /atlas/obs/04a/61211/04a61211e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jun 19 16:57:51 -04 2026 [elapsed=344 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (19 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jun 19 16:57:52 -04 2026 [elapsed=345 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61210.87352193|info|galildriver|using focus model: foc=9830+(3.50)*19.6+(-0.35)*60.2=9877.5
61210.87352659|info|galildriver|o 3 IN | cass: 6102816 30.51 mm b=23 move=NO | arm: 409747 477.01 mm b=03 move=OK | foc: 53275118 9879 um b=0f [cmd]
bestfocus for o...OK
Fri Jun 19 16:57:53 -04 2026 [elapsed=346 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jun 19 16:58:21 -04 2026 [elapsed=374 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.
Fri Jun 19 16:58:22 -04 2026 [elapsed=375 sec] Happy observing!
Fri Jun 19 16:58:22 -04 2026 [elapsed=375 sec] Preflight took 375 seconds to complete.
Fri Jun 19 16:58:22 -04 2026 [elapsed=375 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 114 1.2% A 0.081s 386 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.292s 5104 55.8% A 0.322s 5998 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.413s 8007 87.5% A 0.443s 8456 92.4% A 0.473s 8783 95.9% A 0.504s 9027 98.6% A 0.534s 9135 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 113 1.2% B 0.081s 379 4.1% B 0.111s 728 8.0% B 0.141s 1201 13.1% B 0.171s 1774 19.4% B 0.202s 2465 26.9% B 0.232s 3243 35.4% B 0.262s 4138 45.2% B 0.292s 5072 55.4% B 0.322s 5961 65.1% B 0.353s 6749 73.7% B 0.383s 7421 81.1% B 0.413s 7986 87.2% B 0.443s 8443 92.2% B 0.473s 8786 96.0% B 0.504s 9017 98.5% B 0.534s 9136 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9043 98.8% A 0.081s 8778 95.9% A 0.111s 8408 91.9% A 0.141s 7958 86.9% A 0.171s 7359 80.4% A 0.202s 6693 73.1% A 0.232s 5894 64.4% A 0.262s 4982 54.4% A 0.292s 4038 44.1% A 0.323s 3165 34.6% A 0.353s 2387 26.1% A 0.383s 1710 18.7% A 0.413s 1148 12.5% A 0.444s 693 7.6% A 0.474s 358 3.9% A 0.504s 126 1.4% A 0.534s 13 0.1% A 0.565s 1 0.0% B 0.020s 9141 99.9% B 0.050s 9012 98.4% B 0.081s 8762 95.7% B 0.111s 8409 91.9% B 0.141s 7936 86.7% B 0.171s 7379 80.6% B 0.202s 6689 73.1% B 0.232s 5891 64.4% B 0.262s 4981 54.4% B 0.292s 4055 44.3% B 0.323s 3164 34.6% B 0.353s 2391 26.1% B 0.383s 1703 18.6% B 0.413s 1147 12.5% B 0.443s 700 7.6% B 0.474s 356 3.9% B 0.504s 133 1.5% B 0.534s 15 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R