STH Recent Preflight: 61281

Executing preflight for 61281 at Fri Aug 28 17:19:56 SAST 2026.
Log can be found in /atlas/obs/03/61281/preflight.dat.
Setting donefile '/atlas/obs/03/61281/preflight_complete.20260828151956.30267' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260828151956.30267.
Fri Aug 28 17:19:56 SAST 2026 [elapsed=0 sec] DFM (initialization)
  get service string...OK
  service is running...OK
  is initialized...OK

Fri Aug 28 17:19:56 SAST 2026 [elapsed=0 sec] Getting TCS lock.

OK TCS lock granted to preflight-STH [874e25b0-a2e6-473b-9150-b61342d1ac1c;1800]
Fri Aug 28 17:19:56 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw  3  ON redLED
Fri Aug 28 17:19:57 SAST 2026 [elapsed=1 sec] About to start STH preflight.  Point your web browser at http://localhost:7354.
Fri Aug 28 17:19:57 SAST 2026 [elapsed=1 sec]   auxcam is disabled.
Fri Aug 28 17:19:57 SAST 2026 [elapsed=1 sec]   Skipping auxcam.
error: unknown module: vent
Fri Aug 28 17:19:57 SAST 2026 [elapsed=1 sec] DEADMAN
  Get heartbeat host ... got 'tcs'
  Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1787930392
OK
Fri Aug 28 17:19:57 SAST 2026 [elapsed=1 sec] OPSEC
  AUTO mode:  ...OK
Fri Aug 28 17:19:57 SAST 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 Aug 28 17:19:59 SAST 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-03a...OK
  proc1 prochain-redpost-03x...OK

Fri Aug 28 17:19:59 SAST 2026 [elapsed=3 sec] QUEUE
  0 observations queued.

Fri Aug 28 17:19:59 SAST 2026 [elapsed=3 sec] CLOCKS
  admin:      Fri Aug 28 15:19:59 UTC 2026
  metbox:     OK
  proc1:      OK
  proc2:      OK
  proc3:      OK
  proc4:      OK
  archon:     OK

  NTP:
       remote           refid      st t when poll reach   delay   offset  jitter
  ==============================================================================
  *192.168.4.5     .GPS.            1 u   12 1024  377    1.038    0.068   0.028
  +metbox2.sth.atl .PPS.            1 u   76 1024  377    0.327    0.051   0.036
   ntp.ubuntu.com  .POOL.          16 p    -   64    0    0.000    0.000   0.000
  -zibbi.ngei.csir 196.21.187.2     2 u  733 1024  377   23.259   -0.370   0.461
  -ntp.as3741.net  146.64.58.41     2 u  467 1024  377   22.839    0.188   0.652
  -ntp2.as3741.net 146.64.58.41     2 u  175 1024  377    7.322    0.262   0.184
  -ntp2.inx.net.za 183.3.52.101     2 u  736 1024  377    7.305    0.154   0.072
  -ntp5.inx.net.za 102.176.229.251  2 u 1012 1024  377    7.590    0.073   0.059
  #102.222.156.151 196.21.187.2     2 u   31 1024  377   24.532    0.507   0.366
  +ntp2.nog.net.za 80.72.67.48      3 u  855 1024  377    7.565    0.187   0.089
  -139.84.231.68   196.21.187.2     2 u  777 1024  377   24.081   -0.976   0.652
  -ntp8.inx.net.za 183.3.52.101     2 u  362 1024  377   16.870    0.185   0.097

Fri Aug 28 17:20:02 SAST 2026 [elapsed=6 sec] DISKS
  200GB available in /atlas/obs...OK (4725GB)
  200GB available in /atlas/red...OK (7599GB)

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

  Filesystem                             Size  Used  Avail  Use%  Mounted_on
  admin:/dev/md0p2                       11T   5.8T  4.6T   56%   /
  admin:/dev/loop0                       106M  106M  0      100%  /snap/core/17284
  admin:/dev/loop1                       106M  106M  0      100%  /snap/core/17292
  archon:/dev/sda2                       117G  22G   89G    20%   /
  archon:/dev/loop1                      106M  106M  0      100%  /snap/core/17284
  archon:/dev/loop0                      106M  106M  0      100%  /snap/core/17292
  archon:/dev/sda1                       511M  6.6M  505M   2%    /boot/efi
  tcs:/dev/mapper/ubuntu--vg-ubuntu--lv  98G   38G   56G    41%   /
  tcs:/dev/nvme0n1p2                     2.0G  131M  1.7G   8%    /boot
  tcs:/dev/nvme0n1p1                     1.1G  6.1M  1.1G   1%    /boot/efi
  proc1:/dev/md0p1                       15T   6.2T  7.3T   46%   /
  proc1:/dev/loop0                       106M  106M  0      100%  /snap/core/17284
  proc1:/dev/loop1                       106M  106M  0      100%  /snap/core/17292
  proc2:/dev/md0p1                       15T   1.7T  12T    13%   /
  proc2:/dev/loop0                       106M  106M  0      100%  /snap/core/17284
  proc2:/dev/loop1                       106M  106M  0      100%  /snap/core/17292
  proc3:/dev/md0p1                       15T   738G  13T    6%    /
  proc3:/dev/loop0                       106M  106M  0      100%  /snap/core/17292
  proc3:/dev/loop1                       106M  106M  0      100%  /snap/core/17284
  proc4:/dev/md0p1                       15T   1.1T  13T    8%    /
  proc4:/dev/loop1                       106M  106M  0      100%  /snap/core/17284
  proc4:/dev/loop0                       106M  106M  0      100%  /snap/core/17292

Fri Aug 28 17:20:02 SAST 2026 [elapsed=6 sec] SERVICES1
qcam
  chiller...OK
  dome...OK
  mount...OK
  modo...OK
  cam...OK
  acam...OK
  weather...OK
  met...OK
  sentry...OK
  dfm...OK
  duplicates...OK

Fri Aug 28 17:20:02 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Fri Aug 28 17:20:02 SAST 2026 [elapsed=6 sec] SERVICES2

Fri Aug 28 17:20:02 SAST 2026 [elapsed=6 sec] CHILLER
  status...OK
  chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE


Fri Aug 28 17:20:07 SAST 2026 [elapsed=11 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=90.00 CLOSED/CLOSED (0%) IDLE


Fri Aug 28 17:23:25 SAST 2026 [elapsed=209 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: 226.42 -29.49, az/alt=324.73 +86.49 idle(e) IDLE


Fri Aug 28 17:24:16 SAST 2026 [elapsed=260 sec] MODO
  status...OK
  slewing to az=60,alt=60...OK
  modo: dome=stopped mount=tracking IDLE


Fri Aug 28 17:24:35 SAST 2026 [elapsed=279 sec] CAM SERVICE
  status...OK
  cam: main=[idle] aux=[off] N=0/0 spi=38.8 IDLE

Fri Aug 28 17:24:35 SAST 2026 [elapsed=279 sec] ACAM
  status  Camera tripped exists... OK
  Camera tripped is current... OK (5 seconds old)
  Software failsafe ready... OK (NA)
  CCD on...OK
  ION pump on...OK
  CCD temp...OK (-54.1C)
  Checking CCD plane: Z0=+1759.00 DZDX=-894.00  DZDY=+3521.00
  acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE

Fri Aug 28 17:24:35 SAST 2026 [elapsed=279 sec] WEATHER
  status  weather: C 21.5C 25% 20/37kph@25 DP20.8C/8C/d IDLE
...OK

Fri Aug 28 17:24:36 SAST 2026 [elapsed=280 sec] MET
  status...OK
  met: c=N o=Y Ro16d Co10h Wo17d Ho15d To71d Do36d  IDLE

Fri Aug 28 17:24:36 SAST 2026 [elapsed=280 sec] SENTRY
  status...OK
  sentry: close=YES open=NO drop=NO IDLE

Fri Aug 28 17:24:38 SAST 2026 [elapsed=282 sec] DFM (SHUTTERS)
  initializing and homing shutters...
mount          255.34 -14.64, az/alt=59.90 +60.06 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    -2 -0.1mm   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     0  0.0mm   15 N F R
  exercising shutters...Using amcam-mezz-s to record
A  0.020s     7   0.1%
A  0.051s   109   1.2%
A  0.081s   392   4.3%
A  0.111s   734   8.0%
A  0.141s  1190  13.0%
A  0.172s  1785  19.5%
A  0.202s  2466  26.9%
A  0.232s  3259  35.6%
A  0.262s  4165  45.5%
A  0.293s  5115  55.9%
A  0.323s  5990  65.4%
A  0.353s  6780  74.1%
A  0.384s  7440  81.3%
A  0.414s  7982  87.2%
A  0.444s  8451  92.3%
A  0.474s  8783  95.9%
A  0.505s  9015  98.5%
A  0.535s  9148  99.9%
B  0.020s     2   0.0%
B  0.050s   105   1.1%
B  0.081s   394   4.3%
B  0.111s   740   8.1%
B  0.141s  1216  13.3%
B  0.172s  1797  19.6%
B  0.202s  2491  27.2%
B  0.232s  3286  35.9%
B  0.262s  4200  45.9%
B  0.293s  5131  56.1%
B  0.323s  6020  65.8%
B  0.353s  6798  74.3%
B  0.383s  7457  81.5%
B  0.414s  8026  87.7%
B  0.444s  8466  92.5%
B  0.474s  8805  96.2%
B  0.504s  9031  98.7%
B  0.535s  9144  99.9%
B  0.565s  9159 100.0%
sleeping 3 sec between shutter moves...
A  0.020s  9149  99.9%
A  0.050s  9055  98.9%
A  0.081s  8760  95.7%
A  0.111s  8402  91.8%
A  0.141s  7952  86.9%
A  0.172s  7351  80.3%
A  0.202s  6669  72.9%
A  0.232s  5871  64.1%
A  0.263s  4952  54.1%
A  0.293s  4013  43.8%
A  0.323s  3137  34.3%
A  0.354s  2353  25.7%
A  0.384s  1690  18.5%
A  0.414s  1131  12.4%
A  0.444s   686   7.5%
A  0.475s   345   3.8%
A  0.505s   123   1.3%
A  0.535s    12   0.1%
A  0.566s    -5   0.0%
B  0.020s  9146  99.9%
B  0.050s  9031  98.7%
B  0.081s  8770  95.8%
B  0.111s  8435  92.1%
B  0.141s  7972  87.1%
B  0.171s  7400  80.8%
B  0.201s  6716  73.4%
B  0.232s  5924  64.7%
B  0.262s  5015  54.8%
B  0.292s  4079  44.6%
B  0.322s  3192  34.9%
B  0.353s  2406  26.3%
B  0.383s  1734  18.9%
B  0.413s  1158  12.7%
B  0.443s   710   7.8%
B  0.474s   366   4.0%
B  0.504s   136   1.5%
B  0.534s    15   0.2%
B  0.564s    -6   0.0%
A     0  0.0mm   15 N F R | B    -5 -0.2mm   15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 99.9 percent in 0.535 seconds.
Shutter B opened to 100.0 percent in 0.565 seconds.
Shutter A closed to 0.0 percent in 0.566 seconds.
Shutter B closed to 0.0 percent in 0.564 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size=     226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.06e+03x    
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done

DFM (FOCUS)
  changing to best focus...  dfm: filter=o[2] foc=9244 IDLE

Fri Aug 28 17:25:14 SAST 2026 [elapsed=318 sec] IMAGING (acam+auxcam)
  status...OK
  cam: main=[idle] aux=[off] N=0/0 spi=38.8 IDLE
  taking preflight exposures:
  acam...OK
  acam image:
    122M Aug 28 17:25 /atlas/obs/03a/61281/03a61281e0001o.arch.fz
  AUXCAM: Skipping (noauxcam=1).

Fri Aug 28 17:25:37 SAST 2026 [elapsed=341 sec] DEHUMIDIFIER
  OTA humidity exists...OK
  OTA humidity is current... OK (77 seconds old)
  OTA humidity level...OK (20%)
  Dome humidity exists...OK
  Dome humidity is current... OK

Fri Aug 28 17:25:37 SAST 2026 [elapsed=341 sec] SCHEDULE
  Status...OK
  Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61280.64279523|info|galildriver|using focus model: foc=9187+(4.30)*20.2+(-0.40)*60.2=9249.8
61280.64280025|info|galildriver|o  2 IN  | cass:  3037349  15.19 mm b=23 move=NO       | arm:   409734 477.00 mm b=23 move=OK       | foc: 54008154  9244 um b=8f M     [focus]
61280.64281042|info|galildriver|o  2 IN  | cass:  3037352  15.19 mm b=23 move=NO       | arm:   409734 477.00 mm b=23 move=OK       | foc: 54008184  9244 um b=0f       [cmd]
bestfocus for o...OK


Fri Aug 28 17:25:39 SAST 2026 [elapsed=343 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.

Fri Aug 28 17:26:05 SAST 2026 [elapsed=369 sec] Disabling mount tracking.
  Waiting on the mount ... done.
  Turning tracking off ... done.
  Waiting on the mount ... done.
  Recheck mount status ... done.
doorpsw  3 OFF redLED
doorpsw  2 OFF whiteLED
Fri Aug 28 17:26:07 SAST 2026 [elapsed=371 sec] NOTICES: det_dzdx=-894 is outside range +-250 from -558; det_dzdy=3521 is outside range +-250 from -1915; 


Preflight completed successfully.  See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.

Fri Aug 28 17:26:07 SAST 2026 [elapsed=371 sec] Happy observing!
Fri Aug 28 17:26:07 SAST 2026 [elapsed=371 sec] Preflight took 371 seconds to complete.


Fri Aug 28 17:26:07 SAST 2026 [elapsed=371 sec] STARTING CLEANUP
Turning off LEDs
doorpsw  3 OFF redLED
doorpsw  2 OFF whiteLED
Releasing TCS lock [preflight]
OK TCS lock released by preflight-STH

  
Azimuth check

Preflight image

Dome audio


Shutter audio

Shutter acutation data:

A  0.020s     4   0.0%
A  0.051s   115   1.3%
A  0.081s   384   4.2%
A  0.112s   749   8.2%
A  0.143s  1214  13.3%
A  0.173s  1802  19.7%
A  0.204s  2513  27.5%
A  0.234s  3322  36.3%
A  0.265s  4235  46.3%
A  0.295s  5162  56.4%
A  0.325s  6052  66.1%
A  0.356s  6820  74.5%
A  0.386s  7492  81.8%
A  0.417s  8055  88.0%
A  0.448s  8495  92.8%
A  0.478s  8820  96.4%
A  0.508s  9044  98.8%
A  0.539s  9144  99.9%
A  0.569s  9153 100.0%
B  0.020s     1   0.0%
B  0.051s   118   1.3%
B  0.081s   389   4.2%
B  0.111s   756   8.3%
B  0.142s  1237  13.5%
B  0.172s  1815  19.8%
B  0.203s  2515  27.5%
B  0.233s  3321  36.3%
B  0.263s  4229  46.2%
B  0.294s  5162  56.4%
B  0.325s  6069  66.3%
B  0.355s  6840  74.7%
B  0.386s  7498  81.9%
B  0.416s  8049  87.9%
B  0.447s  8507  92.9%
B  0.477s  8832  96.5%
B  0.507s  9045  98.8%
B  0.538s  9146  99.9%
sleeping 3 sec between shutter moves...
A  0.020s  9151 100.0%
A  0.050s  9050  98.9%
A  0.081s  8778  95.9%
A  0.111s  8421  92.0%
A  0.141s  7959  86.9%
A  0.172s  7381  80.6%
A  0.202s  6691  73.1%
A  0.232s  5895  64.4%
A  0.263s  4981  54.4%
A  0.293s  4039  44.1%
A  0.323s  3167  34.6%
A  0.354s  2386  26.1%
A  0.384s  1711  18.7%
A  0.415s  1147  12.5%
A  0.445s   681   7.4%
A  0.475s   348   3.8%
A  0.506s   120   1.3%
A  0.536s    12   0.1%
A  0.567s     1   0.0%
B  0.020s  9143  99.9%
B  0.051s  9018  98.5%
B  0.081s  8770  95.8%
B  0.112s  8421  92.0%
B  0.142s  7951  86.9%
B  0.173s  7356  80.4%
B  0.203s  6664  72.8%
B  0.233s  5865  64.1%
B  0.264s  4950  54.1%
B  0.294s  4022  43.9%
B  0.325s  3108  34.0%
B  0.355s  2347  25.6%
B  0.386s  1663  18.2%
B  0.416s  1115  12.2%
B  0.446s   673   7.4%
B  0.477s   338   3.7%
B  0.507s   120   1.3%
B  0.537s    11   0.1%
B  0.568s     0   0.0%
A     0  0.0mm   15 N F R | B     0  0.0mm   15 N F R