CHL Preflight Night 61209
Executing preflight for 61209 at Wed Jun 17 16:51:57 -04 2026.
Log can be found in /atlas/obs/04/61209/preflight.dat.
Setting donefile '/atlas/obs/04/61209/preflight_complete.20260617205157.7520' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260617205157.7520.
Wed Jun 17 16:51:57 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Jun 17 16:51:58 -04 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [a649ce08-eac7-4eb1-99c3-1236f7453e2f;1800]
Wed Jun 17 16:51:58 -04 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Wed Jun 17 16:51:58 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Wed Jun 17 16:51:58 -04 2026 [elapsed=1 sec] auxcam is disabled.
Wed Jun 17 16:51:58 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Jun 17 16:51:58 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1781729509
OK
Wed Jun 17 16:51:58 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Jun 17 16:51:58 -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
Wed Jun 17 16:52:00 -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
Wed Jun 17 16:52:00 -04 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Wed Jun 17 16:52:00 -04 2026 [elapsed=3 sec] CLOCKS
admin: Wed Jun 17 20:52:00 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 575 1024 377 0.315 0.318 0.068
+10.0.11.4 .GPS. 1 u 670 1024 377 0.621 0.396 0.252
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-alphyn.canonica 132.163.96.1 2 u 420 1024 377 147.660 -5.370 1.431
+185.125.190.56 99.220.8.133 2 u 383 1024 377 218.693 -5.459 0.971
-185.125.190.58 99.220.8.133 2 u 717 1024 377 226.047 -8.020 1.004
-185.125.190.57 99.220.8.133 2 u 970 1024 377 225.199 -8.867 2.088
Wed Jun 17 16:52:02 -04 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (4264GB)
200GB available in /atlas/red...OK (8750GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 6.2T 4.1T 61% /
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 5.4T 8.4T 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 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
Wed Jun 17 16:52:02 -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
Wed Jun 17 16:52:02 -04 2026 [elapsed=5 sec] Disabling mount tracking.
Wed Jun 17 16:52:02 -04 2026 [elapsed=5 sec] SERVICES2
Wed Jun 17 16:52:02 -04 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Jun 17 16:52:06 -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=1.58e+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
Wed Jun 17 16:55:22 -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: 147.15 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Wed Jun 17 16:56:19 -04 2026 [elapsed=262 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Jun 17 16:56:41 -04 2026 [elapsed=284 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Wed Jun 17 16:56:41 -04 2026 [elapsed=284 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (9 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.7C)
Checking CCD plane: Z0=-192.00 DZDX=+458.00 DZDY=-415.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Jun 17 16:56:41 -04 2026 [elapsed=284 sec] WEATHER
status weather: C+ 10.4C 60% 18/27kph@273 DP6.4C/-28C/d IDLE
...OK
Wed Jun 17 16:56:42 -04 2026 [elapsed=285 sec] MET
status...OK
met: c=Y o=N Ro3d Cx1h Wo3d Ho3d To3d Dc6 wait CD IDLE
Wed Jun 17 16:56:42 -04 2026 [elapsed=285 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Jun 17 16:56:43 -04 2026 [elapsed=286 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 175.82 -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 6 0.1%
A 0.051s 122 1.3%
A 0.081s 395 4.3%
A 0.112s 739 8.1%
A 0.142s 1218 13.3%
A 0.172s 1792 19.6%
A 0.203s 2492 27.2%
A 0.233s 3293 36.0%
A 0.263s 4191 45.8%
A 0.294s 5135 56.1%
A 0.324s 6012 65.7%
A 0.354s 6825 74.6%
A 0.385s 7476 81.7%
A 0.415s 8043 87.9%
A 0.445s 8481 92.6%
A 0.476s 8813 96.3%
A 0.506s 9040 98.8%
A 0.536s 9147 99.9%
B 0.020s 2 0.0%
B 0.050s 78 0.9%
B 0.081s 371 4.1%
B 0.111s 734 8.0%
B 0.141s 1190 13.0%
B 0.172s 1778 19.4%
B 0.202s 2468 27.0%
B 0.232s 3230 35.3%
B 0.262s 4139 45.2%
B 0.292s 5083 55.5%
B 0.323s 5966 65.2%
B 0.353s 6759 73.8%
B 0.383s 7413 81.0%
B 0.414s 7993 87.3%
B 0.444s 8448 92.3%
B 0.474s 8784 96.0%
B 0.504s 9025 98.6%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9046 98.8%
A 0.081s 8763 95.7%
A 0.111s 8415 91.9%
A 0.142s 7942 86.8%
A 0.172s 7359 80.4%
A 0.202s 6665 72.8%
A 0.232s 5869 64.1%
A 0.263s 4953 54.1%
A 0.293s 4025 44.0%
A 0.323s 3138 34.3%
A 0.354s 2352 25.7%
A 0.384s 1692 18.5%
A 0.414s 1124 12.3%
A 0.444s 688 7.5%
A 0.475s 348 3.8%
A 0.505s 123 1.3%
A 0.535s 8 0.1%
B 0.020s 9147 99.9%
B 0.051s 9035 98.7%
B 0.081s 8762 95.7%
B 0.111s 8405 91.8%
B 0.142s 7944 86.8%
B 0.172s 7359 80.4%
B 0.203s 6638 72.5%
B 0.233s 5846 63.9%
B 0.263s 4928 53.8%
B 0.294s 3977 43.4%
B 0.324s 3115 34.0%
B 0.355s 2326 25.4%
B 0.385s 1677 18.3%
B 0.415s 1117 12.2%
B 0.446s 649 7.1%
B 0.476s 333 3.6%
B 0.507s 110 1.2%
B 0.537s 2 0.0%
A 0 0.0mm 15 N F R | B -4 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 99.9 percent in 0.536 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.1 percent in 0.535 seconds.
Shutter B closed to 0.0 percent in 0.537 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.17e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9853 IDLE
Wed Jun 17 16:57:21 -04 2026 [elapsed=324 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Jun 17 16:57 /atlas/obs/04a/61209/04a61209e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Jun 17 16:57:43 -04 2026 [elapsed=346 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (11 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Jun 17 16:57:43 -04 2026 [elapsed=346 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61208.87342367|info|galildriver|using focus model: foc=9830+(3.50)*14.4+(-0.35)*60.3=9859.3
61208.87342869|info|galildriver|o 3 IN | cass: 6104861 30.52 mm b=23 move=NO | arm: 409747 477.01 mm b=03 move=OK | foc: 53280036 9854 um b=8f M [focus]
61208.87343884|info|galildriver|o 3 IN | cass: 6104866 30.52 mm b=23 move=NO | arm: 409747 477.01 mm b=03 move=OK | foc: 53279746 9855 um b=0f [cmd]
bestfocus for o...OK
Wed Jun 17 16:57:46 -04 2026 [elapsed=349 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Jun 17 16:58:15 -04 2026 [elapsed=378 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.
Wed Jun 17 16:58:16 -04 2026 [elapsed=379 sec] Happy observing!
Wed Jun 17 16:58:17 -04 2026 [elapsed=379 sec] Preflight took 379 seconds to complete.
Wed Jun 17 16:58:17 -04 2026 [elapsed=379 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 376 4.1% A 0.111s 724 7.9% A 0.141s 1180 12.9% A 0.172s 1762 19.2% A 0.202s 2443 26.7% A 0.232s 3238 35.4% A 0.262s 4144 45.3% A 0.293s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6753 73.8% A 0.383s 7413 81.0% A 0.413s 7990 87.3% A 0.451s 8443 92.2% A 0.481s 8846 96.6% A 0.511s 9058 99.0% A 0.541s 9146 99.9% B 0.020s -1 -0.0% B 0.050s 104 1.1% B 0.081s 368 4.0% B 0.111s 712 7.8% B 0.141s 1183 12.9% B 0.172s 1751 19.1% B 0.202s 2438 26.6% B 0.232s 3241 35.4% B 0.262s 4136 45.2% B 0.292s 5071 55.4% B 0.323s 5958 65.1% B 0.353s 6748 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.443s 8443 92.2% B 0.474s 8785 96.0% B 0.504s 9015 98.5% B 0.534s 9135 99.8% B 0.564s 9154 100.0% sleeping 3 sec between shutter moves... A 0.020s 9154 100.0% A 0.050s 9044 98.8% A 0.081s 8771 95.8% A 0.111s 8410 91.9% A 0.141s 7944 86.8% A 0.171s 7363 80.4% A 0.202s 6695 73.1% A 0.232s 5898 64.4% A 0.262s 4985 54.5% A 0.292s 4042 44.2% A 0.323s 3169 34.6% A 0.353s 2385 26.1% A 0.383s 1709 18.7% A 0.413s 1149 12.6% A 0.444s 693 7.6% A 0.474s 357 3.9% A 0.504s 126 1.4% A 0.535s 13 0.1% A 0.565s 2 0.0% B 0.020s 9142 99.9% B 0.050s 9011 98.4% B 0.081s 8761 95.7% B 0.111s 8408 91.9% B 0.141s 7936 86.7% B 0.171s 7358 80.4% B 0.201s 6665 72.8% B 0.232s 5891 64.4% B 0.262s 4981 54.4% B 0.292s 4054 44.3% B 0.322s 3164 34.6% B 0.352s 2391 26.1% B 0.383s 1703 18.6% B 0.413s 1147 12.5% B 0.443s 700 7.6% B 0.473s 357 3.9% B 0.503s 138 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