STH Recent Preflight: 61156

Executing preflight for 61156 at Sat Apr 25 17:06:43 SAST 2026.
Log can be found in /atlas/obs/03/61156/preflight.dat.
Setting donefile '/atlas/obs/03/61156/preflight_complete.20260425150643.11042' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260425150643.11042.
Sat Apr 25 17:06:43 SAST 2026 [elapsed=0 sec] DFM (initialization)
  get service string...OK
  service is running...OK
  is initialized...OK

Sat Apr 25 17:06:43 SAST 2026 [elapsed=0 sec] Getting TCS lock.

OK TCS lock granted to preflight-STH [56b817b2-470b-4f90-b89f-68cdbdf2d3e7;1800]
Sat Apr 25 17:06:43 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw  3  ON redLED
Sat Apr 25 17:06:44 SAST 2026 [elapsed=1 sec] About to start STH preflight.  Point your web browser at http://localhost:7354.
Sat Apr 25 17:06:44 SAST 2026 [elapsed=1 sec]   auxcam is disabled.
Sat Apr 25 17:06:44 SAST 2026 [elapsed=1 sec]   Skipping auxcam.
error: unknown module: vent
Sat Apr 25 17:06:44 SAST 2026 [elapsed=1 sec] DEADMAN
  Get heartbeat host ... got 'tcs'
  Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1777129597
OK
Sat Apr 25 17:06:44 SAST 2026 [elapsed=1 sec] OPSEC
  AUTO mode:  ...OK
Sat Apr 25 17:06:44 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

Sat Apr 25 17:06:45 SAST 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-03a...OK
  proc1 prochain-redpost-03x...OK

Sat Apr 25 17:06:46 SAST 2026 [elapsed=3 sec] QUEUE
  0 observations queued.

Sat Apr 25 17:06:46 SAST 2026 [elapsed=3 sec] CLOCKS
  admin:      Sat Apr 25 15:06:46 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
  ==============================================================================
  *192.168.4.5     .GPS.            1 u  496 1024  377    1.034    0.027   0.377
  +metbox2.sth.atl .PPS.            1 u  351 1024  377    0.289    0.017   0.087
   ntp.ubuntu.com  .POOL.          16 p    -   64    0    0.000    0.000   0.000
  -zibbi.ngei.csir 155.232.19.7     2 u  414 1024  377   23.354    0.418   0.338
  -ntp.as3741.net  146.64.58.41     2 u  345 1024  377   23.654    0.319   0.251
  +ntp2.as3741.net 155.232.19.7     2 u  828 1024  377    7.309    0.031   0.065
  +ntp2.inx.net.za 210.182.58.253   2 u  268 1024  377    7.261    0.069   0.068
  -102.222.100.153 155.232.19.6     2 u   49 1024  377    7.820   -1.193   0.478
  -ntp5.inx.net.za 183.3.52.101     2 u   30 1024  377    7.865    0.133   0.222
  -flipping.cloudh 80.72.67.48      3 u  457 1024  377    8.170    0.221   0.093
   102.216.37.99 ( 210.182.58.253   2 u  82d 1024    0   73.586   -0.040   0.000
  -jnb.clearnet.pw 183.3.52.101     2 u  308 1024  377   22.758   -0.567   1.498

Sat Apr 25 17:07:02 SAST 2026 [elapsed=19 sec] DISKS
  200GB available in /atlas/obs...OK (6210GB)
  200GB available in /atlas/red...OK (9142GB)

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

  Filesystem                             Size  Used  Avail  Use%  Mounted_on
  admin:/dev/md0p2                       11T   4.3T  6.0T   42%   /
  admin:/dev/loop2                       106M  106M  0      100%  /snap/core/17284
  admin:/dev/loop0                       106M  106M  0      100%  /snap/core/17292
  archon:/dev/sda2                       117G  21G   91G    19%   /
  archon:/dev/sda1                       511M  6.6M  505M   2%    /boot/efi
  archon:/dev/loop1                      106M  106M  0      100%  /snap/core/17284
  archon:/dev/loop0                      106M  106M  0      100%  /snap/core/17292
  tcs:/dev/mapper/ubuntu--vg-ubuntu--lv  98G   35G   59G    37%   /
  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   4.7T  8.8T   35%   /
  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/loop1                       106M  106M  0      100%  /snap/core/17284
  proc2:/dev/loop0                       106M  106M  0      100%  /snap/core/17292
  proc3:/dev/md0p1                       15T   736G  13T    6%    /
  proc3:/dev/loop0                       106M  106M  0      100%  /snap/core/17284
  proc3:/dev/loop1                       106M  106M  0      100%  /snap/core/17292
  proc4:/dev/md0p1                       15T   1.1T  13T    8%    /
  proc4:/dev/loop0                       106M  106M  0      100%  /snap/core/17284
  proc4:/dev/loop1                       106M  106M  0      100%  /snap/core/17292

Sat Apr 25 17:07:02 SAST 2026 [elapsed=19 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

Sat Apr 25 17:07:02 SAST 2026 [elapsed=19 sec] Disabling mount tracking.
Sat Apr 25 17:07:03 SAST 2026 [elapsed=19 sec] SERVICES2

Sat Apr 25 17:07:03 SAST 2026 [elapsed=20 sec] CHILLER
  status...OK
  chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE


Sat Apr 25 17:07:08 SAST 2026 [elapsed=25 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=     914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.48e+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


Sat Apr 25 17:10:23 SAST 2026 [elapsed=220 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: 99.97 -29.49, az/alt=324.66 +86.49 idle(e) IDLE


Sat Apr 25 17:11:22 SAST 2026 [elapsed=279 sec] MODO
  status...OK
  slewing to az=60,alt=60...OK
  modo: dome=stopped mount=tracking IDLE


Sat Apr 25 17:11:44 SAST 2026 [elapsed=301 sec] CAM SERVICE
  status...OK
  cam: main=[idle] aux=[off] N=0/0 spi=39.8 IDLE

Sat Apr 25 17:11:44 SAST 2026 [elapsed=301 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 (-54.5C)
  Checking CCD plane: Z0=+1730.00 DZDX=-892.00  DZDY=+2860.00
  acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE

Sat Apr 25 17:11:44 SAST 2026 [elapsed=301 sec] WEATHER
  status  weather: C 16.2C 67% 30/45kph@313 DP7.1C/44C/d IDLE
...OK

Sat Apr 25 17:11:44 SAST 2026 [elapsed=301 sec] MET
  status...OK
  met: c=N o=N Ro4h Cs0 Wo5d Ho2h To28d Do8d  wait C IDLE

Sat Apr 25 17:11:44 SAST 2026 [elapsed=301 sec] SENTRY
  status...OK
  sentry: close=YES open=NO drop=NO IDLE

Sat Apr 25 17:11:44 SAST 2026 [elapsed=301 sec] DFM (SHUTTERS)
  initializing and homing shutters...
mount          128.90 -14.63, az/alt=59.89 +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    -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     0  0.0mm   15 N F R
  exercising shutters...Using amcam-mezz-s to record
A  0.020s     9   0.1%
A  0.051s   109   1.2%
A  0.081s   392   4.3%
A  0.111s   733   8.0%
A  0.141s  1191  13.0%
A  0.172s  1782  19.5%
A  0.202s  2465  26.9%
A  0.232s  3257  35.6%
A  0.263s  4163  45.5%
A  0.293s  5115  55.9%
A  0.323s  5990  65.4%
A  0.354s  6780  74.1%
A  0.384s  7440  81.3%
A  0.414s  7998  87.4%
A  0.444s  8467  92.5%
A  0.475s  8793  96.1%
A  0.505s  9020  98.5%
A  0.535s  9152 100.0%
B  0.020s     1   0.0%
B  0.050s    99   1.1%
B  0.081s   384   4.2%
B  0.111s   715   7.8%
B  0.141s  1198  13.1%
B  0.172s  1777  19.4%
B  0.202s  2465  26.9%
B  0.232s  3258  35.6%
B  0.263s  4167  45.5%
B  0.293s  5102  55.7%
B  0.323s  5992  65.5%
B  0.353s  6774  74.0%
B  0.384s  7436  81.2%
B  0.414s  8010  87.5%
B  0.444s  8454  92.4%
B  0.474s  8796  96.1%
B  0.505s  9023  98.6%
B  0.535s  9141  99.9%
B  0.565s  9159 100.0%
sleeping 3 sec between shutter moves...
A  0.020s  9149  99.9%
A  0.050s  9069  99.1%
A  0.081s  8772  95.8%
A  0.111s  8414  91.9%
A  0.141s  7967  87.0%
A  0.171s  7374  80.6%
A  0.202s  6717  73.4%
A  0.232s  5923  64.7%
A  0.262s  5014  54.8%
A  0.292s  4073  44.5%
A  0.323s  3193  34.9%
A  0.353s  2401  26.2%
A  0.383s  1728  18.9%
A  0.414s  1163  12.7%
A  0.444s   712   7.8%
A  0.474s   364   4.0%
A  0.504s   135   1.5%
A  0.535s    14   0.2%
A  0.565s    -7   0.0%
B  0.020s  9146  99.9%
B  0.050s  9039  98.7%
B  0.081s  8770  95.8%
B  0.111s  8425  92.0%
B  0.141s  7956  86.9%
B  0.171s  7379  80.6%
B  0.202s  6695  73.1%
B  0.232s  5896  64.4%
B  0.262s  4986  54.5%
B  0.293s  4050  44.2%
B  0.323s  3164  34.6%
B  0.353s  2384  26.0%
B  0.383s  1714  18.7%
B  0.414s  1141  12.5%
B  0.444s   697   7.6%
B  0.474s   356   3.9%
B  0.505s   127   1.4%
B  0.535s    13   0.1%
B  0.565s    -5   0.0%
A     1  0.0mm   15 N F R | B    -5 -0.2mm   15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.535 seconds.
Shutter B opened to 100.0 percent in 0.565 seconds.
Shutter A closed to 0.0 percent in 0.565 seconds.
Shutter B closed to 0.0 percent in 0.565 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size=     226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.12e+03x    
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done

DFM (FOCUS)
  changing to best focus...  dfm: filter=o[2] foc=9233 IDLE

Sat Apr 25 17:12:29 SAST 2026 [elapsed=346 sec] IMAGING (acam+auxcam)
  status...OK
  cam: main=[idle] aux=[off] N=0/0 spi=39.8 IDLE
  taking preflight exposures:
  acam...OK
  acam image:
    125M Apr 25 17:12 /atlas/obs/03a/61156/03a61156e0001o.arch.fz
  AUXCAM: Skipping (noauxcam=1).

Sat Apr 25 17:12:52 SAST 2026 [elapsed=369 sec] DEHUMIDIFIER
  OTA humidity exists...OK
  OTA humidity is current... OK (5 seconds old)
  OTA humidity level...OK (6%)
  Dome humidity exists...OK
  Dome humidity is current... OK

Sat Apr 25 17:12:52 SAST 2026 [elapsed=369 sec] SCHEDULE
  Status...OK
  Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61155.63394335|info|galildriver|using focus model: foc=9187+(4.30)*17.3+(-0.40)*60.2=9237.3
61155.63394859|info|galildriver|o  2 IN  | cass:  3048358  15.24 mm b=23 move=NO       | arm:   408783 475.89 mm b=03 move=OK       | foc: 54006109  9234 um b=8f M     [focus]
61155.63395920|info|galildriver|o  2 IN  | cass:  3048360  15.24 mm b=23 move=NO       | arm:   408783 475.89 mm b=03 move=OK       | foc: 54006177  9234 um b=2f       [cmd]
bestfocus for o...OK


Sat Apr 25 17:12:54 SAST 2026 [elapsed=371 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.

Sat Apr 25 17:13:25 SAST 2026 [elapsed=402 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
Sat Apr 25 17:13:27 SAST 2026 [elapsed=404 sec] NOTICES: det_dzdx=-892 is outside range +-250 from -558; det_dzdy=2860 is outside range +-250 from -1915; 


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

Sat Apr 25 17:13:27 SAST 2026 [elapsed=404 sec] Happy observing!
Sat Apr 25 17:13:27 SAST 2026 [elapsed=404 sec] Preflight took 404 seconds to complete.


Sat Apr 25 17:13:27 SAST 2026 [elapsed=404 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     3   0.0%
A  0.051s   115   1.3%
A  0.081s   385   4.2%
A  0.111s   736   8.0%
A  0.141s  1196  13.1%
A  0.172s  1782  19.5%
A  0.202s  2467  26.9%
A  0.232s  3265  35.7%
A  0.262s  4174  45.6%
A  0.293s  5104  55.8%
A  0.323s  5996  65.5%
A  0.353s  6775  74.0%
A  0.383s  7434  81.2%
A  0.414s  8005  87.4%
A  0.444s  8456  92.4%
A  0.474s  8792  96.0%
A  0.505s  9027  98.6%
A  0.535s  9138  99.8%
A  0.565s  9154 100.0%
B  0.020s     2   0.0%
B  0.051s   119   1.3%
B  0.081s   387   4.2%
B  0.112s   744   8.1%
B  0.142s  1220  13.3%
B  0.172s  1795  19.6%
B  0.203s  2492  27.2%
B  0.233s  3294  36.0%
B  0.263s  4198  45.9%
B  0.293s  5133  56.1%
B  0.324s  6017  65.7%
B  0.354s  6795  74.2%
B  0.384s  7458  81.5%
B  0.415s  8018  87.6%
B  0.445s  8468  92.5%
B  0.475s  8804  96.2%
B  0.505s  9028  98.6%
B  0.536s  9141  99.9%
B  0.566s  9157 100.0%
sleeping 3 sec between shutter moves...
A  0.020s  9151 100.0%
A  0.051s  9050  98.9%
A  0.081s  8767  95.8%
A  0.112s  8407  91.8%
A  0.142s  7941  86.7%
A  0.173s  7360  80.4%
A  0.203s  6667  72.8%
A  0.233s  5867  64.1%
A  0.263s  4951  54.1%
A  0.294s  4009  43.8%
A  0.324s  3138  34.3%
A  0.355s  2340  25.6%
A  0.385s  1670  18.2%
A  0.415s  1114  12.2%
A  0.446s   668   7.3%
A  0.476s   340   3.7%
A  0.507s   114   1.2%
A  0.537s    11   0.1%
A  0.568s     2   0.0%
B  0.020s  9143  99.9%
B  0.050s  9011  98.4%
B  0.081s  8763  95.7%
B  0.111s  8409  91.9%
B  0.142s  7934  86.7%
B  0.172s  7336  80.1%
B  0.203s  6642  72.6%
B  0.233s  5837  63.8%
B  0.264s  4920  53.7%
B  0.294s  3963  43.3%
B  0.324s  3084  33.7%
B  0.355s  2323  25.4%
B  0.386s  1643  17.9%
B  0.416s  1100  12.0%
B  0.447s   648   7.1%
B  0.477s   322   3.5%
B  0.508s   110   1.2%
B  0.538s     8   0.1%
A     0  0.0mm   15 N F R | B     0  0.0mm   15 N F R