CHL Preflight Night 61146

Executing preflight for 61146 at Wed Apr 15 20:30:13 -04 2026.
Log can be found in /atlas/obs/04/61146/preflight.dat.
Setting donefile '/atlas/obs/04/61146/preflight_complete.20260416003013.28119' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260416003013.28119.
Wed Apr 15 20:30:13 -04 2026 [elapsed=0 sec] DFM (initialization)
  get service string...OK
  service is running...OK
  is initialized...OK

Wed Apr 15 20:30:13 -04 2026 [elapsed=0 sec] Getting TCS lock.

OK TCS lock granted to preflight-CHL [7d4fc4ca-5eae-4cf7-bcad-2d2c07e2f053;1800]
Wed Apr 15 20:30:13 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw  3  ON redLED
Wed Apr 15 20:30:14 -04 2026 [elapsed=1 sec] About to start CHL preflight.  Point your web browser at http://localhost:7454.
Wed Apr 15 20:30:14 -04 2026 [elapsed=1 sec]   auxcam is disabled.
Wed Apr 15 20:30:14 -04 2026 [elapsed=1 sec]   Skipping auxcam.
error: unknown module: vent
Wed Apr 15 20:30:14 -04 2026 [elapsed=1 sec] DEADMAN
  Get heartbeat host ... got 'tcs'
  Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1776299404
OK
Wed Apr 15 20:30:14 -04 2026 [elapsed=1 sec] OPSEC
  AUTO mode:  ...OK
Wed Apr 15 20:30:14 -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 Apr 15 20:30:16 -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 Apr 15 20:30:16 -04 2026 [elapsed=3 sec] QUEUE
  0 observations queued.

Wed Apr 15 20:30:16 -04 2026 [elapsed=3 sec] CLOCKS
  admin:      Thu Apr 16 00:30:16 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  824 1024  377    0.305   -2.480   1.502
  +10.0.11.4       .GPS.            1 u  539 1024  377    0.633   -2.282   1.392
   ntp.ubuntu.com  .POOL.          16 p    -   64    0    0.000    0.000   0.000
  -185.125.190.57  99.220.8.133     2 u   87 1024  377  217.864   -7.829   1.737
  +185.125.190.58  99.220.8.133     2 u  809 1024  377  233.112  -14.045   9.356
  -alphyn.canonica 132.163.96.1     2 u  722 1024  377  145.999   -6.174   2.061
  -185.125.190.56  146.131.121.246  2 u  986 1024  377  218.282   -7.512   2.088

Wed Apr 15 20:30:17 -04 2026 [elapsed=4 sec] DISKS
  200GB available in /atlas/obs...OK (3987GB)
  200GB available in /atlas/red...OK (7830GB)

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

  Filesystem                                Size  Used  Avail  Use%  Mounted_on
  admin:/dev/md0p1                          11T   6.4T  3.9T   63%   /
  admin:/dev/loop2                          105M  105M  0      100%  /snap/core/17272
  admin:/dev/loop0                          106M  106M  0      100%  /snap/core/17284
  archon:/dev/mapper/ubuntu--vg-ubuntu--lv  58G   20G   35G    37%   /
  archon:/dev/loop0                         106M  106M  0      100%  /snap/core/17284
  archon:/dev/loop1                         105M  105M  0      100%  /snap/core/17272
  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/sda1                           511M  6.7M  505M   2%    /boot/efi
  proc1:/dev/loop2                          105M  105M  0      100%  /snap/core/17272
  proc1:/dev/loop1                          106M  106M  0      100%  /snap/core/17284
  proc2:/dev/md0p1                          15T   444G  13T    4%    /
  proc2:/dev/loop2                          105M  105M  0      100%  /snap/core/17272
  proc2:/dev/loop1                          106M  106M  0      100%  /snap/core/17284
  proc3:/dev/md0p1                          15T   903G  13T    7%    /
  proc3:/dev/loop2                          105M  105M  0      100%  /snap/core/17272
  proc3:/dev/loop0                          106M  106M  0      100%  /snap/core/17284
  proc4:/dev/md0p1                          15T   692G  13T    6%    /
  proc4:/dev/loop2                          105M  105M  0      100%  /snap/core/17272
  proc4:/dev/loop0                          106M  106M  0      100%  /snap/core/17284

Wed Apr 15 20:30:17 -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

Wed Apr 15 20:30:17 -04 2026 [elapsed=4 sec] Disabling mount tracking.
Wed Apr 15 20:30:17 -04 2026 [elapsed=4 sec] SERVICES2

Wed Apr 15 20:30:17 -04 2026 [elapsed=4 sec] CHILLER
  status...OK
  chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE


Wed Apr 15 20:30:21 -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=1.57e+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 Apr 15 20:33:40 -04 2026 [elapsed=207 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: 139.80 -27.58, az/alt=324.55 +86.48 idle(e) IDLE


Wed Apr 15 20:34:45 -04 2026 [elapsed=272 sec] MODO
  status...OK
  slewing to az=60,alt=60...OK
  modo: dome=stopped mount=tracking IDLE


Wed Apr 15 20:35:10 -04 2026 [elapsed=297 sec] CAM SERVICE
  status...OK
  cam: main=[idle] aux=[off] N=937/0 spi=38.7 IDLE

Wed Apr 15 20:35:10 -04 2026 [elapsed=297 sec] ACAM
  status  Camera tripped exists... OK
  Camera tripped is current... OK (0 seconds old)
  Software failsafe ready... OK (NA)
  CCD on...OK
  ION pump on...OK
  CCD temp...OK (-53.9C)
  Checking CCD plane: Z0=-196.00  DZDX=+469.00  DZDY=-414.00 
  acam: -54C CCD TEC ION e=30.0s d=0.6s N=937 IDLE

Wed Apr 15 20:35:10 -04 2026 [elapsed=297 sec] WEATHER
  status  weather: clear 19.2C 37% 5/6kph@320 DP13.9C/-48C/d IDLE
...OK

Wed Apr 15 20:35:10 -04 2026 [elapsed=297 sec] MET
  status...OK
  met: c=N o=Y Ro1d Co1d Wo10d Ho10d To10d Do10d  IDLE

Wed Apr 15 20:35:10 -04 2026 [elapsed=297 sec] SENTRY
  status...OK
  sentry: close=NO open=YES drop=YES IDLE

Wed Apr 15 20:35:10 -04 2026 [elapsed=297 sec] DFM (SHUTTERS)
  initializing and homing shutters...
mount          168.48 -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     8   0.1%
A  0.051s   109   1.2%
A  0.081s   395   4.3%
A  0.111s   742   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  4193  45.8%
A  0.293s  5144  56.2%
A  0.324s  6014  65.7%
A  0.354s  6803  74.3%
A  0.384s  7449  81.4%
A  0.415s  8025  87.7%
A  0.445s  8469  92.5%
A  0.476s  8805  96.2%
A  0.506s  9040  98.8%
A  0.536s  9143  99.9%
A  0.566s  9158 100.0%
B  0.020s     1   0.0%
B  0.050s    89   1.0%
B  0.081s   375   4.1%
B  0.111s   747   8.2%
B  0.142s  1208  13.2%
B  0.172s  1802  19.7%
B  0.202s  2492  27.2%
B  0.232s  3280  35.8%
B  0.263s  4199  45.9%
B  0.293s  5144  56.2%
B  0.323s  6022  65.8%
B  0.354s  6802  74.3%
B  0.384s  7450  81.4%
B  0.414s  8026  87.7%
B  0.445s  8471  92.5%
B  0.475s  8801  96.1%
B  0.505s  9037  98.7%
B  0.536s  9147  99.9%
sleeping 3 sec between shutter moves...
A  0.020s  9153 100.0%
A  0.051s  9052  98.9%
A  0.081s  8762  95.7%
A  0.111s  8418  92.0%
A  0.142s  7949  86.8%
A  0.172s  7347  80.3%
A  0.202s  6668  72.8%
A  0.233s  5868  64.1%
A  0.263s  4946  54.0%
A  0.294s  4025  44.0%
A  0.324s  3137  34.3%
A  0.354s  2363  25.8%
A  0.385s  1691  18.5%
A  0.415s  1106  12.1%
A  0.445s   678   7.4%
A  0.476s   337   3.7%
A  0.506s   122   1.3%
A  0.536s     6   0.1%
B  0.020s  9150 100.0%
B  0.051s  9049  98.9%
B  0.081s  8784  96.0%
B  0.111s  8431  92.1%
B  0.141s  7979  87.2%
B  0.172s  7398  80.8%
B  0.202s  6712  73.3%
B  0.232s  5926  64.7%
B  0.263s  5020  54.8%
B  0.293s  4066  44.4%
B  0.323s  3197  34.9%
B  0.354s  2397  26.2%
B  0.384s  1717  18.8%
B  0.414s  1152  12.6%
B  0.445s   684   7.5%
B  0.475s   359   3.9%
B  0.505s   127   1.4%
B  0.536s     5   0.1%
A     1  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 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size=     228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.04e+03x    
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done

DFM (FOCUS)
  changing to best focus...  dfm: filter=o[3] foc=9886 IDLE

Wed Apr 15 20:35:46 -04 2026 [elapsed=333 sec] IMAGING (acam+auxcam)
  status...OK
  cam: main=[idle] aux=[off] N=937/0 spi=38.7 IDLE
  taking preflight exposures:
  acam...OK
  acam image:
    158M Apr 15 20:36 /atlas/obs/04a/61146/04a61146e0001o.arch.fz
  AUXCAM: Skipping (noauxcam=1).

Wed Apr 15 20:36:09 -04 2026 [elapsed=356 sec] DEHUMIDIFIER
  OTA humidity exists...OK
  OTA humidity is current... OK (63 seconds old)
  OTA humidity level...OK (6%)
  Dome humidity exists...OK
  Dome humidity is current... OK

Wed Apr 15 20:36:09 -04 2026 [elapsed=356 sec] SCHEDULE
  Status...OK
  Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61146.02510929|info|galildriver|using focus model: foc=9830+(3.50)*21.2+(-0.35)*60.2=9883.1
61146.02511430|info|galildriver|o  3 IN  | cass:  6106482  30.53 mm b=23 move=NO       | arm:   407123 473.96 mm b=03 move=OK       | foc: 53273603  9886 um b=8f M     [focus]
61146.02512445|info|galildriver|o  3 IN  | cass:  6106487  30.53 mm b=23 move=NO       | arm:   407123 473.96 mm b=03 move=OK       | foc: 53273829  9885 um b=0f       [cmd]
bestfocus for o...OK


Wed Apr 15 20:36:11 -04 2026 [elapsed=358 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.

Wed Apr 15 20:36:44 -04 2026 [elapsed=391 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 Apr 15 20:36:46 -04 2026 [elapsed=393 sec] Happy observing!
Wed Apr 15 20:36:46 -04 2026 [elapsed=393 sec] Preflight took 393 seconds to complete.


Wed Apr 15 20:36:46 -04 2026 [elapsed=393 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     3   0.0%
A  0.051s   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  5997  65.5%
A  0.353s  6775  74.0%
A  0.383s  7434  81.2%
A  0.413s  7989  87.3%
A  0.443s  8444  92.2%
A  0.474s  8781  95.9%
A  0.504s  9022  98.6%
A  0.534s  9135  99.8%
A  0.564s  9153 100.0%
B  0.020s     2   0.0%
B  0.050s   102   1.1%
B  0.080s   371   4.1%
B  0.111s   714   7.8%
B  0.141s  1185  12.9%
B  0.171s  1754  19.2%
B  0.201s  2444  26.7%
B  0.231s  3239  35.4%
B  0.262s  4137  45.2%
B  0.292s  5072  55.4%
B  0.322s  5962  65.1%
B  0.352s  6748  73.7%
B  0.383s  7418  81.0%
B  0.413s  7985  87.2%
B  0.443s  8443  92.2%
B  0.474s  8785  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  9044  98.8%
A  0.081s  8767  95.8%
A  0.111s  8407  91.8%
A  0.141s  7957  86.9%
A  0.171s  7379  80.6%
A  0.202s  6692  73.1%
A  0.232s  5893  64.4%
A  0.262s  4982  54.4%
A  0.292s  4039  44.1%
A  0.322s  3165  34.6%
A  0.353s  2386  26.1%
A  0.383s  1711  18.7%
A  0.413s  1147  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  0.565s     1   0.0%
B  0.020s  9145  99.9%
B  0.050s  9018  98.5%
B  0.081s  8771  95.8%
B  0.111s  8420  92.0%
B  0.141s  7935  86.7%
B  0.171s  7357  80.4%
B  0.202s  6690  73.1%
B  0.232s  5892  64.4%
B  0.262s  4952  54.1%
B  0.293s  4051  44.3%
B  0.323s  3163  34.6%
B  0.353s  2392  26.1%
B  0.383s  1706  18.6%
B  0.414s  1149  12.6%
B  0.444s   700   7.6%
B  0.474s   357   3.9%
B  0.504s   133   1.5%
B  0.534s    14   0.2%
B  0.565s     0   0.0%
A     0  0.0mm   15 N F R | B     0  0.0mm   15 N F R