STH Recent Preflight: 61168

Executing preflight for 61168 at Thu May  7 16:55:34 SAST 2026.
Log can be found in /atlas/obs/03/61168/preflight.dat.
Setting donefile '/atlas/obs/03/61168/preflight_complete.20260507145534.11042' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260507145534.11042.
Thu May 7 16:55:34 SAST 2026 [elapsed=0 sec] DFM (initialization)
  get service string...OK
  service is running...OK
  is initialized...OK

Thu May 7 16:55:34 SAST 2026 [elapsed=0 sec] Getting TCS lock.

OK TCS lock granted to preflight-STH [1119d9cf-a7ee-4f53-b376-26c8bdb63a2e;1800]
Thu May 7 16:55:34 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw  3  ON redLED
Thu May 7 16:55:35 SAST 2026 [elapsed=1 sec] About to start STH preflight.  Point your web browser at http://localhost:7354.
Thu May 7 16:55:35 SAST 2026 [elapsed=1 sec]   auxcam is disabled.
Thu May 7 16:55:35 SAST 2026 [elapsed=1 sec]   Skipping auxcam.
error: unknown module: vent
Thu May 7 16:55:35 SAST 2026 [elapsed=1 sec] DEADMAN
  Get heartbeat host ... got 'tcs'
  Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1778165730
OK
Thu May 7 16:55:35 SAST 2026 [elapsed=1 sec] OPSEC
  AUTO mode:  ...OK
Thu May 7 16:55:35 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

Thu May 7 16:55:37 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

Thu May 7 16:55:37 SAST 2026 [elapsed=3 sec] QUEUE
  0 observations queued.

Thu May 7 16:55:37 SAST 2026 [elapsed=3 sec] CLOCKS
  admin:      Thu May  7 14:55:37 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  498 1024  363    1.015   -0.090   0.100
  *metbox2.sth.atl .PPS.            1 u  440 1024  377    0.305   -0.146   0.063
   ntp.ubuntu.com  .POOL.          16 p    -   64    0    0.000    0.000   0.000
  -zibbi.ngei.csir 155.232.19.8     2 u   98 1024  377   24.309    0.033   0.251
  -ntp.as3741.net  146.64.58.41     2 u  355 1024  377   22.894   -0.070   0.960
  -ntp2.as3741.net 155.232.19.7     2 u  220 1024  377    7.296   -0.146   0.139
  -ntp2.inx.net.za 210.182.58.253   2 u  436 1024  377    7.237   -0.057   0.071
   102.222.100.153 196.21.187.2     2 u   8d 1024    0    7.937    0.836   0.000
  -ntp5.inx.net.za 183.3.52.101     2 u 1009 1024  377    7.590   -0.062   0.975
  +flipping.cloudh 80.72.67.48      3 u  411 1024  377    7.811   -0.178   0.073
   102.216.37.99 ( 210.182.58.253   2 u  94d 1024    0   73.586   -0.040   0.000
  -jnb.clearnet.pw 196.21.187.2     2 u  376 1024  377   22.812    0.797   0.936

Thu May 7 16:55:39 SAST 2026 [elapsed=5 sec] DISKS
  200GB available in /atlas/obs...OK (6195GB)
  200GB available in /atlas/red...OK (9324GB)

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

  Filesystem                             Size  Used  Avail  Use%  Mounted_on
  admin:/dev/md0p2                       11T   4.4T  6.0T   43%   /
  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   4.5T  8.9T   34%   /
  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

Thu May 7 16:55:39 SAST 2026 [elapsed=5 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

Thu May 7 16:55:39 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Thu May 7 16:55:39 SAST 2026 [elapsed=5 sec] SERVICES2

Thu May 7 16:55:39 SAST 2026 [elapsed=5 sec] CHILLER
  status...OK
  chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE


Thu May 7 16:55:43 SAST 2026 [elapsed=9 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=     936kB time=00:00:29.95 bitrate= 256.0kbits/s speed=1.46e+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


Thu May 7 16:58:59 SAST 2026 [elapsed=205 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: 108.94 -29.49, az/alt=324.66 +86.49 idle(e) IDLE


Thu May 7 16:59:57 SAST 2026 [elapsed=263 sec] MODO
  status...OK
  slewing to az=60,alt=60...OK
  modo: dome=stopped mount=tracking IDLE


Thu May 7 17:00:18 SAST 2026 [elapsed=284 sec] CAM SERVICE
  status...OK
  cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE

Thu May 7 17:00:18 SAST 2026 [elapsed=284 sec] ACAM
  status  Camera tripped exists... OK
  Camera tripped is current... OK (2 seconds old)
  Software failsafe ready... OK (NA)
  CCD on...OK
  ION pump on...OK
  CCD temp...OK (-55.1C)
  Checking CCD plane: Z0=+1694.00 DZDX=-884.00  DZDY=+2016.00
  acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE

Thu May 7 17:00:18 SAST 2026 [elapsed=284 sec] WEATHER
  status  weather: clear 9.5C 69% 6/8kph@215 DP5.2C/8C/d IDLE
...OK

Thu May 7 17:00:19 SAST 2026 [elapsed=285 sec] MET
  status...OK
  met: c=N o=Y Ro10h Co3h Wo1d Ho3h To40d Do5d  IDLE

Thu May 7 17:00:19 SAST 2026 [elapsed=285 sec] SENTRY
  status...OK
  sentry: close=YES open=NO drop=NO IDLE

Thu May 7 17:00:19 SAST 2026 [elapsed=285 sec] DFM (SHUTTERS)
  initializing and homing shutters...
mount          137.86 -14.63, 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    -2   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   108   1.2%
A  0.081s   392   4.3%
A  0.111s   721   7.9%
A  0.141s  1189  13.0%
A  0.172s  1764  19.3%
A  0.202s  2466  26.9%
A  0.232s  3258  35.6%
A  0.263s  4163  45.5%
A  0.293s  5115  55.9%
A  0.323s  5991  65.4%
A  0.354s  6780  74.1%
A  0.384s  7437  81.2%
A  0.414s  8000  87.4%
A  0.444s  8466  92.5%
A  0.475s  8792  96.0%
A  0.505s  9021  98.5%
A  0.535s  9153 100.0%
B  0.020s     0   0.0%
B  0.050s    89   1.0%
B  0.081s   375   4.1%
B  0.111s   714   7.8%
B  0.141s  1179  12.9%
B  0.172s  1757  19.2%
B  0.202s  2441  26.7%
B  0.232s  3230  35.3%
B  0.263s  4136  45.2%
B  0.293s  5074  55.4%
B  0.323s  5964  65.2%
B  0.353s  6773  74.0%
B  0.384s  7436  81.2%
B  0.414s  8010  87.5%
B  0.444s  8455  92.4%
B  0.475s  8798  96.1%
B  0.505s  9031  98.7%
B  0.535s  9145  99.9%
sleeping 3 sec between shutter moves...
A  0.020s  9150 100.0%
A  0.051s  9057  98.9%
A  0.081s  8762  95.7%
A  0.111s  8403  91.8%
A  0.141s  7951  86.9%
A  0.171s  7374  80.6%
A  0.202s  6669  72.9%
A  0.232s  5868  64.1%
A  0.262s  4952  54.1%
A  0.292s  4016  43.9%
A  0.323s  3139  34.3%
A  0.353s  2376  26.0%
A  0.403s  1479  16.2%
A  0.435s   818   8.9%
A  0.465s   444   4.9%
A  0.495s   181   2.0%
A  0.526s    36   0.4%
A  0.556s    -7   0.0%
B  0.020s  9145  99.9%
B  0.050s  9035  98.7%
B  0.081s  8772  95.8%
B  0.111s  8425  92.0%
B  0.141s  7957  86.9%
B  0.172s  7380  80.6%
B  0.202s  6695  73.1%
B  0.232s  5897  64.4%
B  0.262s  4983  54.4%
B  0.293s  4051  44.3%
B  0.323s  3164  34.6%
B  0.353s  2384  26.0%
B  0.383s  1713  18.7%
B  0.414s  1140  12.5%
B  0.444s   696   7.6%
B  0.474s   356   3.9%
B  0.504s   127   1.4%
B  0.535s    12   0.1%
B  0.565s    -5   0.0%
A     1  0.0mm   15 N F R | B    -4 -0.1mm   15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.535 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.0 percent in 0.556 seconds.
Shutter B closed to 0.0 percent in 0.565 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size=     228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1e+03x    
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done

DFM (FOCUS)
  changing to best focus...  dfm: filter=o[2] foc=9221 IDLE

Thu May 7 17:01:11 SAST 2026 [elapsed=337 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:
    125M May 7 17:01 /atlas/obs/03a/61168/03a61168e0001o.arch.fz
  AUXCAM: Skipping (noauxcam=1).

Thu May 7 17:01:33 SAST 2026 [elapsed=359 sec] DEHUMIDIFIER
  OTA humidity exists...OK
  OTA humidity is current... OK (46 seconds old)
  OTA humidity level...OK (6%)
  Dome humidity exists...OK
  Dome humidity is current... OK

Thu May 7 17:01:33 SAST 2026 [elapsed=359 sec] SCHEDULE
  Status...OK
  Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61167.62608826|info|galildriver|using focus model: foc=9187+(4.30)*14.6+(-0.40)*60.2=9225.7
61167.62609351|info|galildriver|o  2 IN  | cass:  3048028  15.24 mm b=23 move=NO       | arm:   408733 475.83 mm b=03 move=OK       | foc: 54003737  9222 um b=8f M     [focus]
61167.62610411|info|galildriver|o  2 IN  | cass:  3048029  15.24 mm b=23 move=NO       | arm:   408733 475.83 mm b=03 move=OK       | foc: 54003812  9222 um b=2f       [cmd]
bestfocus for o...OK


Thu May 7 17:01:36 SAST 2026 [elapsed=362 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.

Thu May 7 17:02:05 SAST 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.
doorpsw  3 OFF redLED
doorpsw  2 OFF whiteLED
Thu May 7 17:02:06 SAST 2026 [elapsed=392 sec] NOTICES: det_dzdx=-884 is outside range +-250 from -558; det_dzdy=2016 is outside range +-250 from -1915; 


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

Thu May 7 17:02:06 SAST 2026 [elapsed=392 sec] Happy observing!
Thu May 7 17:02:06 SAST 2026 [elapsed=392 sec] Preflight took 392 seconds to complete.


Thu May 7 17:02:06 SAST 2026 [elapsed=392 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     2   0.0%
A  0.051s   114   1.2%
A  0.081s   376   4.1%
A  0.111s   723   7.9%
A  0.141s  1196  13.1%
A  0.172s  1761  19.2%
A  0.202s  2442  26.7%
A  0.232s  3239  35.4%
A  0.262s  4144  45.3%
A  0.292s  5074  55.4%
A  0.323s  5969  65.2%
A  0.353s  6753  73.8%
A  0.383s  7414  81.0%
A  0.413s  7989  87.3%
A  0.443s  8445  92.3%
A  0.474s  8783  95.9%
A  0.504s  9022  98.6%
A  0.534s  9136  99.8%
A  0.564s  9153 100.0%
B  0.020s     2   0.0%
B  0.050s   119   1.3%
B  0.081s   390   4.3%
B  0.111s   742   8.1%
B  0.141s  1219  13.3%
B  0.171s  1794  19.6%
B  0.202s  2492  27.2%
B  0.232s  3296  36.0%
B  0.262s  4197  45.8%
B  0.292s  5133  56.1%
B  0.322s  5989  65.4%
B  0.353s  6772  74.0%
B  0.383s  7459  81.5%
B  0.413s  8018  87.6%
B  0.444s  8468  92.5%
B  0.474s  8804  96.2%
B  0.504s  9023  98.6%
B  0.534s  9139  99.8%
B  0.564s  9156 100.0%
sleeping 3 sec between shutter moves...
A  0.020s  9153 100.0%
A  0.050s  9044  98.8%
A  0.081s  8778  95.9%
A  0.111s  8409  91.9%
A  0.141s  7959  86.9%
A  0.171s  7382  80.6%
A  0.202s  6693  73.1%
A  0.232s  5895  64.4%
A  0.262s  4983  54.4%
A  0.292s  4040  44.1%
A  0.323s  3167  34.6%
A  0.353s  2386  26.1%
A  0.383s  1710  18.7%
A  0.413s  1148  12.5%
A  0.443s   692   7.6%
A  0.474s   358   3.9%
A  0.504s   126   1.4%
A  0.534s    13   0.1%
A  0.564s     2   0.0%
B  0.020s  9143  99.9%
B  0.050s  9017  98.5%
B  0.081s  8770  95.8%
B  0.111s  8420  92.0%
B  0.141s  7951  86.9%
B  0.172s  7379  80.6%
B  0.202s  6688  73.1%
B  0.232s  5891  64.4%
B  0.262s  4979  54.4%
B  0.293s  4052  44.3%
B  0.323s  3164  34.6%
B  0.353s  2393  26.1%
B  0.383s  1704  18.6%
B  0.413s  1146  12.5%
B  0.444s   700   7.6%
B  0.474s   364   4.0%
B  0.504s   138   1.5%
B  0.534s    15   0.2%
B  0.564s     0   0.0%
A     0  0.0mm   15 N F R | B     0  0.0mm   15 N F R