CHL Preflight Night 61218
Executing preflight for 61218 at Fri Jun 26 16:54:07 -04 2026.
Log can be found in /atlas/obs/04/61218/preflight.dat.
Setting donefile '/atlas/obs/04/61218/preflight_complete.20260626205407.3523' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260626205407.3523.
Fri Jun 26 16:54:07 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jun 26 16:54:07 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [fb707ced-b1ac-4068-85de-9b8f3d2bd021;1800]
Fri Jun 26 16:54:07 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Jun 26 16:54:08 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Jun 26 16:54:08 -04 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jun 26 16:54:08 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jun 26 16:54:08 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782507242
OK
Fri Jun 26 16:54:08 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jun 26 16:54:08 -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 26 16:54:10 -04 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
Fri Jun 26 16:54:10 -04 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Jun 26 16:54:10 -04 2026 [elapsed=3 sec] CLOCKS
admin: Fri Jun 26 20:54:10 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 515 1024 377 0.316 2.006 0.868
*10.0.11.4 .GPS. 1 u 444 1024 377 0.578 2.159 0.886
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 494 1024 377 149.478 -3.833 2.728
-185.125.190.56 99.220.8.133 2 u 74 1024 377 222.515 -4.796 2.054
-185.125.190.58 99.220.8.133 2 u 84 1024 377 230.076 -8.725 1.185
-185.125.190.57 99.220.8.133 2 u 208 1024 377 223.665 -6.968 1.864
Fri Jun 26 16:54:12 -04 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (4441GB)
200GB available in /atlas/red...OK (8886GB)
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 564G 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
Fri Jun 26 16:54:12 -04 2026 [elapsed=5 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 26 16:54:13 -04 2026 [elapsed=6 sec] Disabling mount tracking.
Fri Jun 26 16:54:13 -04 2026 [elapsed=6 sec] Closing dome.
Fri Jun 26 16:55:04 -04 2026 [elapsed=57 sec] SERVICES2
Fri Jun 26 16:55:04 -04 2026 [elapsed=57 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jun 26 16:55:08 -04 2026 [elapsed=61 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=1.49e+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 26 16:58:42 -04 2026 [elapsed=275 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: 156.86 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Fri Jun 26 16:59:39 -04 2026 [elapsed=332 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jun 26 17:00:01 -04 2026 [elapsed=354 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.1 IDLE
Fri Jun 26 17:00:01 -04 2026 [elapsed=354 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 (-54.0C)
Checking CCD plane: Z0=-196.00 DZDX=+457.00 DZDY=-418.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=10 IDLE
Fri Jun 26 17:00:01 -04 2026 [elapsed=354 sec] WEATHER
status weather: clear 21.1C 9% 8/11kph@325 DP32.7C/-52C/d IDLE
...OK
Fri Jun 26 17:00:02 -04 2026 [elapsed=355 sec] MET
status...OK
met: c=N o=Y Ro7d Co5d Wo7d Ho7d To7d Do5d IDLE
Fri Jun 26 17:00:02 -04 2026 [elapsed=355 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jun 26 17:00:02 -04 2026 [elapsed=355 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 185.52 -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 3 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 10 0.1%
A 0.051s 117 1.3%
A 0.081s 393 4.3%
A 0.111s 738 8.1%
A 0.142s 1225 13.4%
A 0.172s 1797 19.6%
A 0.202s 2491 27.2%
A 0.233s 3284 35.9%
A 0.263s 4202 45.9%
A 0.293s 5139 56.1%
A 0.323s 6006 65.6%
A 0.354s 6808 74.4%
A 0.384s 7452 81.4%
A 0.414s 8029 87.7%
A 0.445s 8468 92.5%
A 0.475s 8802 96.2%
A 0.505s 9034 98.7%
A 0.536s 9140 99.8%
A 0.566s 9155 100.0%
B 0.020s 1 0.0%
B 0.050s 90 1.0%
B 0.081s 377 4.1%
B 0.111s 735 8.0%
B 0.141s 1191 13.0%
B 0.172s 1782 19.5%
B 0.202s 2469 27.0%
B 0.232s 3253 35.5%
B 0.263s 4171 45.6%
B 0.293s 5114 55.9%
B 0.324s 5993 65.5%
B 0.354s 6781 74.1%
B 0.384s 7430 81.2%
B 0.414s 8009 87.5%
B 0.445s 8459 92.4%
B 0.475s 8791 96.0%
B 0.505s 9031 98.7%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.050s 9057 98.9%
A 0.081s 8778 95.9%
A 0.111s 8440 92.2%
A 0.141s 7979 87.2%
A 0.171s 7394 80.8%
A 0.202s 6711 73.3%
A 0.232s 5896 64.4%
A 0.262s 4981 54.4%
A 0.293s 4083 44.6%
A 0.323s 3192 34.9%
A 0.353s 2400 26.2%
A 0.383s 1736 19.0%
A 0.414s 1155 12.6%
A 0.444s 717 7.8%
A 0.474s 366 4.0%
A 0.504s 136 1.5%
A 0.535s 15 0.2%
A 0.565s -4 0.0%
B 0.020s 9148 99.9%
B 0.050s 9037 98.7%
B 0.081s 8772 95.8%
B 0.111s 8419 92.0%
B 0.141s 7959 86.9%
B 0.172s 7378 80.6%
B 0.202s 6686 73.0%
B 0.232s 5898 64.4%
B 0.263s 4988 54.5%
B 0.293s 4035 44.1%
B 0.323s 3168 34.6%
B 0.353s 2374 25.9%
B 0.384s 1718 18.8%
B 0.414s 1151 12.6%
B 0.445s 686 7.5%
B 0.475s 361 3.9%
B 0.505s 126 1.4%
B 0.536s 7 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 0.566 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.0 percent in 0.565 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=1.21e+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
Fri Jun 26 17:00:39 -04 2026 [elapsed=392 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.1 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Jun 26 17:00 /atlas/obs/04a/61218/04a61218e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jun 26 17:01:01 -04 2026 [elapsed=414 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (29 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jun 26 17:01:01 -04 2026 [elapsed=414 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61217.87571810|info|galildriver|using focus model: foc=9830+(3.50)*21.7+(-0.35)*60.3=9884.9
61217.87572311|info|galildriver|o 3 IN | cass: 6099410 30.50 mm b=23 move=NO | arm: 406814 473.60 mm b=03 move=OK | foc: 53272927 9890 um b=8f M [focus]
61217.87573327|info|galildriver|o 3 IN | cass: 6099408 30.50 mm b=23 move=NO | arm: 406814 473.60 mm b=03 move=OK | foc: 53273248 9888 um b=0f [cmd]
bestfocus for o...OK
Fri Jun 26 17:01:04 -04 2026 [elapsed=417 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jun 26 17:01:33 -04 2026 [elapsed=446 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 26 17:01:34 -04 2026 [elapsed=447 sec] Happy observing!
Fri Jun 26 17:01:34 -04 2026 [elapsed=447 sec] Preflight took 447 seconds to complete.
Fri Jun 26 17:01:34 -04 2026 [elapsed=447 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 385 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 4175 45.6% A 0.292s 5103 55.7% A 0.323s 5998 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.413s 8006 87.5% A 0.444s 8444 92.2% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.534s 9135 99.8% A 0.564s 9153 100.0% B 0.020s 0 0.0% B 0.050s 113 1.2% B 0.080s 367 4.0% B 0.111s 714 7.8% B 0.141s 1185 12.9% B 0.171s 1752 19.1% B 0.201s 2442 26.7% B 0.232s 3238 35.4% B 0.262s 4137 45.2% B 0.292s 5072 55.4% B 0.322s 5961 65.1% B 0.353s 6747 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.443s 8444 92.2% B 0.474s 8787 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 9150 100.0% A 0.050s 9043 98.8% A 0.081s 8766 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.172s 7359 80.4% A 0.202s 6668 72.8% A 0.232s 5866 64.1% A 0.263s 4951 54.1% A 0.293s 4009 43.8% A 0.323s 3139 34.3% A 0.353s 2363 25.8% A 0.383s 1691 18.5% A 0.414s 1130 12.3% A 0.444s 682 7.5% A 0.474s 349 3.8% A 0.504s 120 1.3% A 0.535s 13 0.1% A 0.565s 1 0.0% B 0.020s 9142 99.9% B 0.050s 9014 98.5% B 0.081s 8762 95.7% B 0.111s 8410 91.9% B 0.141s 7936 86.7% B 0.171s 7379 80.6% B 0.201s 6690 73.1% B 0.231s 5894 64.4% B 0.262s 4982 54.4% B 0.292s 4055 44.3% B 0.322s 3162 34.5% B 0.353s 2394 26.2% B 0.383s 1704 18.6% B 0.413s 1146 12.5% B 0.443s 700 7.6% B 0.474s 355 3.9% B 0.504s 132 1.4% B 0.534s 13 0.1% B 0.565s 0 0.0% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R