CHL Preflight Night 61156

Executing preflight for 61156 at Sat Apr 25 17:14:57 -04 2026.
Log can be found in /atlas/obs/04/61156/preflight.dat.
Setting donefile '/atlas/obs/04/61156/preflight_complete.20260425211457.25426' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260425211457.25426.
Sat Apr 25 17:14:57 -04 2026 [elapsed=0 sec] DFM (initialization)
  get service string...OK
  service is running...OK
  is initialized...OK

Sat Apr 25 17:14:57 -04 2026 [elapsed=0 sec] Getting TCS lock.

OK TCS lock granted to preflight-CHL [3e0317ae-3467-40ab-baae-7c95501dabbd;1800]
Sat Apr 25 17:14:57 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw  3  ON redLED
Sat Apr 25 17:14:58 -04 2026 [elapsed=1 sec] About to start CHL preflight.  Point your web browser at http://localhost:7454.
Sat Apr 25 17:14:58 -04 2026 [elapsed=1 sec]   auxcam is disabled.
Sat Apr 25 17:14:58 -04 2026 [elapsed=1 sec]   Skipping auxcam.
error: unknown module: vent
Sat Apr 25 17:14:58 -04 2026 [elapsed=1 sec] DEADMAN
  Get heartbeat host ... got 'tcs'
  Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1777151691
OK
Sat Apr 25 17:14:58 -04 2026 [elapsed=1 sec] OPSEC
  AUTO mode:  ...OK
Sat Apr 25 17:14:58 -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

Sat Apr 25 17:15:00 -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

Sat Apr 25 17:15:00 -04 2026 [elapsed=3 sec] QUEUE
  0 observations queued.

Sat Apr 25 17:15:00 -04 2026 [elapsed=3 sec] CLOCKS
  admin:      Sat Apr 25 21:15:00 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  691 1024  377    0.342    0.289   0.759
  +10.0.11.4       .GPS.            1 u  185 1024  377    0.968    0.288   0.889
   ntp.ubuntu.com  .POOL.          16 p    -   64    0    0.000    0.000   0.000
  -185.125.190.57  99.220.8.133     2 u  576 1024  377  217.739   -5.033   1.057
  -185.125.190.58  146.131.121.246  2 u  435 1024  377  218.125   -3.978   0.758
  +alphyn.canonica 132.163.96.1     2 u  345 1024  377  141.894   -0.441   1.286
  -185.125.190.56  146.131.121.246  2 u  473 1024  377  219.765   -5.594   1.060

Sat Apr 25 17:15:01 -04 2026 [elapsed=4 sec] DISKS
  200GB available in /atlas/obs...OK (3759GB)
  200GB available in /atlas/red...OK (7476GB)

  Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done

  Filesystem                                Size  Used  Avail  Use%  Mounted_on
  admin:/dev/md0p1                          11T   6.7T  3.6T   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   36G    36%   /
  archon:/dev/loop0                         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
  archon:/dev/loop2                         106M  106M  0      100%  /snap/core/17292
  proc1:/dev/md0p1                          15T   6.6T  7.2T   48%   /
  proc1:/dev/sda1                           511M  6.7M  505M   2%    /boot/efi
  proc1:/dev/loop1                          106M  106M  0      100%  /snap/core/17284
  proc1:/dev/loop0                          106M  106M  0      100%  /snap/core/17292
  proc2:/dev/md0p1                          15T   640G  13T    5%    /
  proc2:/dev/loop1                          106M  106M  0      100%  /snap/core/17284
  proc2:/dev/loop0                          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   692G  13T    6%    /
  proc4:/dev/loop0                          106M  106M  0      100%  /snap/core/17284
  proc4:/dev/loop1                          106M  106M  0      100%  /snap/core/17292

Sat Apr 25 17:15:01 -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

Sat Apr 25 17:15:02 -04 2026 [elapsed=5 sec] Disabling mount tracking.
Sat Apr 25 17:15:02 -04 2026 [elapsed=5 sec] Closing dome.
Sat Apr 25 17:15:25 -04 2026 [elapsed=28 sec] SERVICES2

Sat Apr 25 17:15:25 -04 2026 [elapsed=28 sec] CHILLER
  status...OK
  chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE


Sat Apr 25 17:15:29 -04 2026 [elapsed=32 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%) BUSY


Sat Apr 25 17:19:39 -04 2026 [elapsed=282 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: 101.03 -27.58, az/alt=324.55 +86.48 idle(e) IDLE


Sat Apr 25 17:20:45 -04 2026 [elapsed=348 sec] MODO
  status...OK
  slewing to az=60,alt=60...OK
  modo: dome=stopped mount=tracking IDLE


Sat Apr 25 17:21:11 -04 2026 [elapsed=374 sec] CAM SERVICE
  status...OK
  cam: main=[idle] aux=[off] N=0/0 spi=38.4 IDLE

Sat Apr 25 17:21:11 -04 2026 [elapsed=374 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 (-53.9C)
  Checking CCD plane: Z0=-197.00  DZDX=+461.00  DZDY=-416.00 
  acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE

Sat Apr 25 17:21:11 -04 2026 [elapsed=374 sec] WEATHER
  status  weather: clear 22.6C 19% 23/25kph@209 DP21.4C/-183C/d IDLE
...OK

Sat Apr 25 17:21:11 -04 2026 [elapsed=374 sec] MET
  status...OK
  met: c=N o=Y Ro11d Co1d Wo20d Ho20d To20d Do20d  IDLE

Sat Apr 25 17:21:11 -04 2026 [elapsed=374 sec] SENTRY
  status...OK
  sentry: close=YES open=NO drop=NO IDLE

Sat Apr 25 17:21:11 -04 2026 [elapsed=374 sec] DFM (SHUTTERS)
  initializing and homing shutters...
mount          129.71 -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     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     8   0.1%
A  0.051s   101   1.1%
A  0.081s   373   4.1%
A  0.111s   711   7.8%
A  0.141s  1189  13.0%
A  0.171s  1760  19.2%
A  0.202s  2440  26.7%
A  0.232s  3228  35.3%
A  0.262s  4141  45.2%
A  0.293s  5084  55.5%
A  0.323s  5949  65.0%
A  0.354s  6785  74.1%
A  0.384s  7432  81.2%
A  0.414s  8011  87.5%
A  0.445s  8458  92.4%
A  0.475s  8793  96.1%
A  0.505s  9027  98.6%
A  0.535s  9138  99.8%
A  0.566s  9157 100.0%
B  0.020s     2   0.0%
B  0.050s    90   1.0%
B  0.081s   374   4.1%
B  0.111s   735   8.0%
B  0.141s  1192  13.0%
B  0.172s  1781  19.5%
B  0.202s  2469  27.0%
B  0.232s  3281  35.8%
B  0.264s  4232  46.2%
B  0.295s  5172  56.5%
B  0.325s  6077  66.4%
B  0.355s  6848  74.8%
B  0.386s  7491  81.8%
B  0.416s  8061  88.1%
B  0.446s  8495  92.8%
B  0.477s  8818  96.3%
B  0.507s  9047  98.8%
B  0.537s  9149  99.9%
sleeping 3 sec between shutter moves...
A  0.020s  9152 100.0%
A  0.051s  9058  99.0%
A  0.081s  8769  95.8%
A  0.111s  8415  91.9%
A  0.142s  7949  86.8%
A  0.172s  7347  80.3%
A  0.203s  6665  72.8%
A  0.233s  5868  64.1%
A  0.263s  4948  54.1%
A  0.294s  4026  44.0%
A  0.324s  3135  34.2%
A  0.354s  2358  25.8%
A  0.385s  1693  18.5%
A  0.415s  1124  12.3%
A  0.445s   693   7.6%
A  0.476s   338   3.7%
A  0.506s   120   1.3%
A  0.536s     9   0.1%
B  0.020s  9148  99.9%
B  0.050s  9047  98.8%
B  0.081s  8783  95.9%
B  0.111s  8430  92.1%
B  0.141s  7976  87.1%
B  0.172s  7397  80.8%
B  0.202s  6711  73.3%
B  0.232s  5925  64.7%
B  0.263s  4990  54.5%
B  0.293s  4034  44.1%
B  0.324s  3167  34.6%
B  0.354s  2375  25.9%
B  0.384s  1717  18.8%
B  0.415s  1153  12.6%
B  0.445s   686   7.5%
B  0.475s   360   3.9%
B  0.506s   127   1.4%
B  0.536s     8   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 0.537 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=1.17e+03x    
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done

DFM (FOCUS)
  changing to best focus...  dfm: filter=o[3] foc=9893 IDLE

Sat Apr 25 17:21:49 -04 2026 [elapsed=412 sec] IMAGING (acam+auxcam)
  status...OK
  cam: main=[idle] aux=[off] N=0/0 spi=38.4 IDLE
  taking preflight exposures:
  acam...OK
  acam image:
    159M Apr 25 17:22 /atlas/obs/04a/61156/04a61156e0001o.arch.fz
  AUXCAM: Skipping (noauxcam=1).

Sat Apr 25 17:22:11 -04 2026 [elapsed=434 sec] DEHUMIDIFIER
  OTA humidity exists...OK
  OTA humidity is current... OK (35 seconds old)
  OTA humidity level...OK (6%)
  Dome humidity exists...OK
  Dome humidity is current... OK

Sat Apr 25 17:22:11 -04 2026 [elapsed=434 sec] SCHEDULE
  Status...OK
  Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61155.89041474|info|galildriver|using focus model: foc=9830+(3.50)*22.4+(-0.35)*60.3=9887.3
61155.89041976|info|galildriver|o  3 IN  | cass:  6105930  30.53 mm b=23 move=NO       | arm:   407123 473.96 mm b=03 move=OK       | foc: 53272208  9893 um b=8f M     [focus]
61155.89042991|info|galildriver|o  3 IN  | cass:  6105926  30.53 mm b=23 move=NO       | arm:   407123 473.96 mm b=03 move=OK       | foc: 53272511  9892 um b=0f       [cmd]
bestfocus for o...OK


Sat Apr 25 17:22:14 -04 2026 [elapsed=437 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.

Sat Apr 25 17:22:47 -04 2026 [elapsed=470 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.

Sat Apr 25 17:22:48 -04 2026 [elapsed=471 sec] Happy observing!
Sat Apr 25 17:22:48 -04 2026 [elapsed=471 sec] Preflight took 471 seconds to complete.


Sat Apr 25 17:22:48 -04 2026 [elapsed=471 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

  
Azimuth check

Preflight image

Dome audio


Shutter audio

Shutter acutation data:

A  0.020s     4   0.0%
A  0.050s   113   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  3265  35.7%
A  0.262s  4174  45.6%
A  0.292s  5103  55.7%
A  0.323s  5997  65.5%
A  0.353s  6776  74.0%
A  0.383s  7433  81.2%
A  0.413s  8007  87.5%
A  0.444s  8457  92.4%
A  0.474s  8792  96.0%
A  0.504s  9028  98.6%
A  0.535s  9137  99.8%
A  0.565s  9152 100.0%
B  0.020s     2   0.0%
B  0.050s   112   1.2%
B  0.081s   380   4.2%
B  0.111s   726   7.9%
B  0.141s  1203  13.1%
B  0.171s  1774  19.4%
B  0.201s  2442  26.7%
B  0.231s  3241  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  7984  87.2%
B  0.443s  8443  92.2%
B  0.473s  8787  96.0%
B  0.503s  9018  98.5%
B  0.534s  9136  99.8%
B  0.564s  9156 100.0%
sleeping 3 sec between shutter moves...
A  0.020s  9152 100.0%
A  0.050s  9045  98.8%
A  0.081s  8770  95.8%
A  0.111s  8410  91.9%
A  0.141s  7943  86.8%
A  0.171s  7361  80.4%
A  0.201s  6694  73.1%
A  0.232s  5896  64.4%
A  0.262s  4983  54.4%
A  0.292s  4042  44.2%
A  0.322s  3167  34.6%
A  0.353s  2387  26.1%
A  0.383s  1710  18.7%
A  0.413s  1148  12.5%
A  0.443s   694   7.6%
A  0.474s   358   3.9%
A  0.504s   126   1.4%
A  0.534s    14   0.2%
A  0.564s     3   0.0%
B  0.020s  9144  99.9%
B  0.050s  9017  98.5%
B  0.081s  8771  95.8%
B  0.111s  8421  92.0%
B  0.141s  7952  86.9%
B  0.171s  7379  80.6%
B  0.201s  6688  73.1%
B  0.232s  5893  64.4%
B  0.262s  4982  54.4%
B  0.292s  4051  44.3%
B  0.322s  3163  34.6%
B  0.353s  2416  26.4%
B  0.383s  1705  18.6%
B  0.413s  1164  12.7%
B  0.443s   712   7.8%
B  0.473s   366   4.0%
B  0.504s   137   1.5%
B  0.534s    17   0.2%
B  0.564s     0   0.0%
A    -1 -0.0mm   15 N F R | B     0  0.0mm   15 N F R