CHL Preflight Night 61200
Executing preflight for 61200 at Mon Jun 8 16:51:23 -04 2026.
Log can be found in /atlas/obs/04/61200/preflight.dat.
Setting donefile '/atlas/obs/04/61200/preflight_complete.20260608205123.19784' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260608205123.19784.
Mon Jun 8 16:51:23 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Jun 8 16:51:23 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [5d20fac9-b6f5-4ba8-a3fe-694b570d418e;1800]
Mon Jun 8 16:51:23 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Mon Jun 8 16:51:23 -04 2026 [elapsed=0 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Mon Jun 8 16:51:24 -04 2026 [elapsed=1 sec] auxcam is disabled.
Mon Jun 8 16:51:24 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Jun 8 16:51:24 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1780951877
OK
Mon Jun 8 16:51:24 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Jun 8 16:51:24 -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
Mon Jun 8 16:51:25 -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
Mon Jun 8 16:51:26 -04 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Jun 8 16:51:26 -04 2026 [elapsed=3 sec] CLOCKS
admin: Mon Jun 8 20:51:26 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 791 1024 377 0.314 -0.171 0.418
+10.0.11.4 .GPS. 1 u 862 1024 377 0.489 -0.090 0.059
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+185.125.190.56 99.220.8.133 2 u 671 1024 377 208.320 -5.263 4.703
-185.125.190.58 146.131.121.246 2 u 658 1024 377 213.423 -7.746 2.675
-alphyn.canonica 132.163.96.1 2 u 690 1024 375 172.434 4.207 7.751
-185.125.190.57 99.220.8.133 2 u 341 1024 377 213.141 -7.305 4.006
Mon Jun 8 16:51:27 -04 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (3804GB)
200GB available in /atlas/red...OK (7832GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 6.6T 3.7T 65% /
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 20G 35G 37% /
archon:/dev/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/sda2 974M 321M 586M 36% /boot
archon:/dev/sda1 511M 4.4M 507M 1% /boot/efi
proc1:/dev/md0p1 15T 6.2T 7.5T 46% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc2:/dev/md0p1 15T 663G 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 906G 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 696G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Mon Jun 8 16:51:27 -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
Mon Jun 8 16:51:27 -04 2026 [elapsed=4 sec] Disabling mount tracking.
Mon Jun 8 16:51:27 -04 2026 [elapsed=4 sec] Closing dome.
Mon Jun 8 16:51:45 -04 2026 [elapsed=22 sec] SERVICES2
Mon Jun 8 16:51:45 -04 2026 [elapsed=22 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Jun 8 16:51:50 -04 2026 [elapsed=27 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=1.58e+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
Mon Jun 8 16:55:12 -04 2026 [elapsed=229 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: 138.26 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Mon Jun 8 16:56:17 -04 2026 [elapsed=294 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Jun 8 16:56:42 -04 2026 [elapsed=319 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Mon Jun 8 16:56:42 -04 2026 [elapsed=319 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (1 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=+470.00 DZDY=-413.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Jun 8 16:56:42 -04 2026 [elapsed=319 sec] WEATHER
status weather: C 19.2C 21% 2/5kph@300 DP22.2C/-38C/d IDLE
...OK
Mon Jun 8 16:56:42 -04 2026 [elapsed=319 sec] MET
status...OK
met: c=N o=N Ro2d Cx0 Wo5d Ho5d To5d Do5d wait C IDLE
Mon Jun 8 16:56:43 -04 2026 [elapsed=320 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Jun 8 16:56:44 -04 2026 [elapsed=321 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 166.94 -12.93, az/alt=59.87 +60.08 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 2 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 11 0.1%
A 0.051s 111 1.2%
A 0.081s 392 4.3%
A 0.111s 738 8.1%
A 0.141s 1224 13.4%
A 0.172s 1800 19.7%
A 0.202s 2490 27.2%
A 0.232s 3286 35.9%
A 0.263s 4200 45.9%
A 0.293s 5136 56.1%
A 0.323s 6011 65.7%
A 0.353s 6809 74.4%
A 0.384s 7453 81.4%
A 0.414s 8026 87.7%
A 0.444s 8468 92.5%
A 0.475s 8802 96.2%
A 0.505s 9035 98.7%
A 0.535s 9143 99.9%
A 0.566s 9158 100.0%
B 0.020s 0 0.0%
B 0.050s 90 1.0%
B 0.081s 374 4.1%
B 0.111s 734 8.0%
B 0.141s 1174 12.8%
B 0.172s 1780 19.4%
B 0.202s 2469 27.0%
B 0.232s 3255 35.6%
B 0.263s 4171 45.6%
B 0.293s 5112 55.8%
B 0.323s 5995 65.5%
B 0.354s 6783 74.1%
B 0.384s 7431 81.2%
B 0.414s 8011 87.5%
B 0.445s 8459 92.4%
B 0.475s 8792 96.0%
B 0.505s 9031 98.7%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.051s 9051 98.9%
A 0.081s 8772 95.8%
A 0.111s 8427 92.1%
A 0.141s 7961 87.0%
A 0.172s 7375 80.6%
A 0.202s 6690 73.1%
A 0.232s 5894 64.4%
A 0.263s 4977 54.4%
A 0.293s 4055 44.3%
A 0.323s 3164 34.6%
A 0.353s 2376 26.0%
A 0.384s 1714 18.7%
A 0.414s 1137 12.4%
A 0.444s 704 7.7%
A 0.475s 357 3.9%
A 0.505s 130 1.4%
A 0.536s 9 0.1%
B 0.020s 9149 99.9%
B 0.050s 9039 98.7%
B 0.081s 8773 95.8%
B 0.111s 8419 92.0%
B 0.142s 7959 86.9%
B 0.172s 7378 80.6%
B 0.202s 6688 73.1%
B 0.233s 5872 64.1%
B 0.263s 4961 54.2%
B 0.293s 4035 44.1%
B 0.323s 3168 34.6%
B 0.354s 2375 25.9%
B 0.384s 1717 18.8%
B 0.414s 1150 12.6%
B 0.444s 686 7.5%
B 0.475s 360 3.9%
B 0.505s 127 1.4%
B 0.535s 7 0.1%
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 0.536 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.1 percent in 0.535 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=9876 IDLE
Mon Jun 8 16:57:20 -04 2026 [elapsed=357 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:
157M Jun 8 16:57 /atlas/obs/04a/61200/04a61200e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Jun 8 16:57:42 -04 2026 [elapsed=379 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (70 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Jun 8 16:57:42 -04 2026 [elapsed=379 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61199.87341219|info|galildriver|using focus model: foc=9830+(3.50)*18.7+(-0.35)*60.3=9874.4
61199.87341686|info|galildriver|o 3 IN | cass: 6103435 30.52 mm b=23 move=NO | arm: 409735 477.00 mm b=23 move=OK | foc: 53275594 9876 um b=0f [cmd]
bestfocus for o...OK
Mon Jun 8 16:57:44 -04 2026 [elapsed=381 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Jun 8 16:58:17 -04 2026 [elapsed=414 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.
Mon Jun 8 16:58:18 -04 2026 [elapsed=415 sec] Happy observing!
Mon Jun 8 16:58:18 -04 2026 [elapsed=415 sec] Preflight took 415 seconds to complete.
Mon Jun 8 16:58:18 -04 2026 [elapsed=415 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 115 1.3% A 0.081s 384 4.2% A 0.111s 736 8.0% A 0.141s 1196 13.1% A 0.171s 1781 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 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7413 81.0% A 0.413s 7990 87.3% A 0.443s 8445 92.3% A 0.474s 8793 96.1% A 0.504s 9022 98.6% A 0.534s 9136 99.8% A 0.564s 9153 100.0% B 0.020s 1 0.0% B 0.050s 113 1.2% B 0.081s 369 4.0% B 0.111s 715 7.8% B 0.141s 1185 12.9% B 0.171s 1754 19.2% B 0.201s 2444 26.7% B 0.232s 3240 35.4% B 0.262s 4136 45.2% B 0.292s 5074 55.4% B 0.322s 5961 65.1% B 0.352s 6749 73.7% B 0.383s 7419 81.0% B 0.413s 7985 87.2% B 0.443s 8442 92.2% B 0.473s 8777 95.9% B 0.503s 9013 98.5% B 0.534s 9134 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9048 98.8% 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 5896 64.4% A 0.262s 4981 54.4% A 0.293s 4039 44.1% A 0.323s 3166 34.6% A 0.353s 2387 26.1% A 0.383s 1709 18.7% A 0.414s 1146 12.5% A 0.444s 693 7.6% A 0.474s 357 3.9% A 0.504s 125 1.4% A 0.534s 14 0.2% A 0.565s 2 0.0% B 0.020s 9142 99.9% B 0.050s 9018 98.5% B 0.081s 8769 95.8% B 0.111s 8421 92.0% B 0.141s 7951 86.9% B 0.171s 7378 80.6% B 0.201s 6689 73.1% B 0.232s 5892 64.4% B 0.262s 4979 54.4% B 0.292s 4051 44.3% B 0.322s 3163 34.6% B 0.353s 2394 26.2% B 0.383s 1702 18.6% B 0.413s 1162 12.7% B 0.443s 712 7.8% B 0.474s 364 4.0% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R