STH Recent Preflight: 61051

Executing preflight for 61051 at Sat Jan 10 18:50:38 SAST 2026.
Log can be found in /atlas/obs/03/61051/preflight.dat.
Setting donefile '/atlas/obs/03/61051/preflight_complete.20260110165038.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260110165038.14431.
Sat Jan 10 18:50:39 SAST 2026 [elapsed=0 sec] DFM (initialization)
  get service string...OK
  service is running...OK
  is initialized...OK

Sat Jan 10 18:50:39 SAST 2026 [elapsed=0 sec] Getting TCS lock.

OK TCS lock granted to preflight-STH [31bb0aae-2dde-40c2-be89-5f03540d286b;1800]
Sat Jan 10 18:50:39 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw  3  ON redLED
Sat Jan 10 18:50:40 SAST 2026 [elapsed=1 sec] About to start STH preflight.  Point your web browser at http://localhost:7354.
Sat Jan 10 18:50:40 SAST 2026 [elapsed=1 sec]   auxcam is disabled.
Sat Jan 10 18:50:40 SAST 2026 [elapsed=1 sec]   Skipping auxcam.
error: unknown module: vent
Sat Jan 10 18:50:40 SAST 2026 [elapsed=1 sec] DEADMAN
  Get heartbeat host ... got 'tcs'
  Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1768063835
OK
Sat Jan 10 18:50:40 SAST 2026 [elapsed=1 sec] OPSEC
  AUTO mode:  ...OK
Sat Jan 10 18:50:40 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 Jan 10 18:50:41 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 Jan 10 18:50:42 SAST 2026 [elapsed=3 sec] QUEUE
  0 observations queued.

Sat Jan 10 18:50:42 SAST 2026 [elapsed=3 sec] CLOCKS
  admin:      Sat Jan 10 16:50:42 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  563 1024  377    1.090    0.031   0.134
  *metbox2.sth.atl .PPS.            1 u   93 1024  377    0.314   -0.009   0.119
   ntp.ubuntu.com  .POOL.          16 p    -   64    0    0.000    0.000   0.000
  -zibbi.ngei.csir 210.182.58.253   2 u  102 1024  377   24.402    0.583   0.538
  +ntp.as3741.net  146.64.58.41     2 u  427 1024  377   22.934   -0.092   0.126
  +ntp2.as3741.net 146.64.8.7       2 u  146 1024  377    7.305    0.101   0.092
  +ntp2.inx.net.za 210.182.58.253   2 u  630 1024  377    7.117    0.057   0.117
  #102.222.100.153 155.232.19.7     2 u  660 1024  377    7.873   -0.829   0.343
  +ntp5.inx.net.za 183.3.52.101     2 u  645 1024  377    7.246    0.117   0.174
  +flipping.cloudh 80.72.67.48      3 u  637 1024  377    8.255    0.164   0.431
  +102.216.37.99 ( 210.182.58.253   2 u  341 1024  377   73.486    0.008   0.157
  -139.84.231.151  196.21.187.2     2 u  420 1024  377   22.799   -0.294   1.474

Sat Jan 10 18:50:44 SAST 2026 [elapsed=5 sec] DISKS
  200GB available in /atlas/obs...OK (5972GB)
  200GB available in /atlas/red...OK (8940GB)

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

  Filesystem                             Size  Used  Avail  Use%  Mounted_on
  admin:/dev/md0p2                       11T   4.6T  5.7T   45%   /
  admin:/dev/loop0                       105M  105M  0      100%  /snap/core/17247
  admin:/dev/loop1                       105M  105M  0      100%  /snap/core/17272
  archon:/dev/sda2                       117G  21G   91G    19%   /
  archon:/dev/sda1                       511M  6.6M  505M   2%    /boot/efi
  archon:/dev/loop0                      105M  105M  0      100%  /snap/core/17247
  archon:/dev/loop2                      105M  105M  0      100%  /snap/core/17272
  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   4.9T  8.6T   37%   /
  proc1:/dev/loop1                       105M  105M  0      100%  /snap/core/17247
  proc1:/dev/loop2                       105M  105M  0      100%  /snap/core/17272
  proc2:/dev/md0p1                       15T   1.7T  12T    13%   /
  proc2:/dev/loop0                       105M  105M  0      100%  /snap/core/17247
  proc2:/dev/loop2                       105M  105M  0      100%  /snap/core/17272
  proc3:/dev/md0p1                       15T   733G  13T    6%    /
  proc3:/dev/loop1                       105M  105M  0      100%  /snap/core/17247
  proc3:/dev/loop2                       105M  105M  0      100%  /snap/core/17272
  proc4:/dev/md0p1                       15T   1.1T  13T    8%    /
  proc4:/dev/loop1                       105M  105M  0      100%  /snap/core/17247
  proc4:/dev/loop2                       105M  105M  0      100%  /snap/core/17272

Sat Jan 10 18:50:44 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

Sat Jan 10 18:50:44 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Sat Jan 10 18:50:44 SAST 2026 [elapsed=5 sec] SERVICES2

Sat Jan 10 18:50:44 SAST 2026 [elapsed=5 sec] CHILLER
  status...OK
  chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE


Sat Jan 10 18:50:49 SAST 2026 [elapsed=10 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=     910kB time=00:00:29.12 bitrate= 256.0kbits/s speed=1.45e+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 Jan 10 18:54:02 SAST 2026 [elapsed=203 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: 22.46 -29.49, az/alt=324.69 +86.49 idle(e) IDLE


Sat Jan 10 18:54:59 SAST 2026 [elapsed=260 sec] MODO
  status...OK
  slewing to az=60,alt=60...OK
  modo: dome=stopped mount=tracking IDLE


Sat Jan 10 18:55:24 SAST 2026 [elapsed=285 sec] CAM SERVICE
  status...OK
  cam: main=[idle] aux=[off] N=0/0 spi=184.7 IDLE

Sat Jan 10 18:55:24 SAST 2026 [elapsed=285 sec] ACAM
  status  Camera tripped exists... OK
  Camera tripped is current... OK (7 seconds old)
  Software failsafe ready... OK (NA)
  CCD on...OK
  ION pump on...OK
  CCD temp...OK (-53.5C)
  Checking CCD plane: Z0=+1802.00 DZDX=-907.00  DZDY=+4512.00
  acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE

Sat Jan 10 18:55:24 SAST 2026 [elapsed=285 sec] WEATHER
  status  weather: clear 25.1C 38% 19/24kph@173 DP13.1C/-91C/d IDLE
...OK

Sat Jan 10 18:55:24 SAST 2026 [elapsed=285 sec] MET
  status...OK
  met: c=N o=Y Ro6d Co7h Wo10d Ho9h To11d Do5d  IDLE

Sat Jan 10 18:55:24 SAST 2026 [elapsed=285 sec] SENTRY
  status...OK
  sentry: close=YES open=NO drop=NO IDLE

Sat Jan 10 18:55:26 SAST 2026 [elapsed=287 sec] DFM (SHUTTERS)
  initializing and homing shutters...
mount           51.38 -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    -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     8   0.1%
A  0.051s   111   1.2%
A  0.081s   394   4.3%
A  0.112s   759   8.3%
A  0.142s  1191  13.0%
A  0.172s  1804  19.7%
A  0.203s  2489  27.2%
A  0.233s  3287  35.9%
A  0.263s  4195  45.8%
A  0.294s  5145  56.2%
A  0.324s  6018  65.7%
A  0.355s  6803  74.3%
A  0.385s  7458  81.5%
A  0.415s  8016  87.6%
A  0.446s  8477  92.6%
A  0.476s  8809  96.2%
A  0.506s  9027  98.6%
A  0.537s  9152 100.0%
B  0.020s     0   0.0%
B  0.051s    91   1.0%
B  0.081s   387   4.2%
B  0.111s   727   7.9%
B  0.142s  1198  13.1%
B  0.172s  1777  19.4%
B  0.203s  2465  26.9%
B  0.233s  3260  35.6%
B  0.263s  4169  45.5%
B  0.294s  5104  55.8%
B  0.324s  5992  65.5%
B  0.354s  6796  74.2%
B  0.385s  7436  81.2%
B  0.415s  8026  87.7%
B  0.445s  8465  92.5%
B  0.476s  8805  96.2%
B  0.506s  9033  98.7%
B  0.536s  9143  99.9%
B  0.567s  9158 100.0%
sleeping 3 sec between shutter moves...
A  0.020s  9151 100.0%
A  0.050s  9068  99.1%
A  0.081s  8781  95.9%
A  0.111s  8425  92.0%
A  0.141s  7984  87.2%
A  0.172s  7392  80.8%
A  0.202s  6715  73.4%
A  0.232s  5925  64.7%
A  0.262s  5013  54.8%
A  0.293s  4072  44.5%
A  0.323s  3193  34.9%
A  0.353s  2400  26.2%
A  0.384s  1729  18.9%
A  0.414s  1167  12.7%
A  0.444s   712   7.8%
A  0.474s   363   4.0%
A  0.505s   137   1.5%
A  0.535s    15   0.2%
A  0.565s    -7   0.0%
B  0.020s  9146  99.9%
B  0.050s  9032  98.7%
B  0.081s  8769  95.8%
B  0.111s  8424  92.0%
B  0.141s  7955  86.9%
B  0.171s  7399  80.8%
B  0.202s  6717  73.4%
B  0.232s  5895  64.4%
B  0.262s  4983  54.4%
B  0.293s  4050  44.2%
B  0.323s  3166  34.6%
B  0.353s  2383  26.0%
B  0.384s  1715  18.7%
B  0.414s  1141  12.5%
B  0.444s   635   6.9%
B  0.475s   358   3.9%
B  0.505s   129   1.4%
B  0.535s    14   0.2%
B  0.566s    -4   0.0%
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 0.537 seconds.
Shutter B opened to 100.0 percent in 0.567 seconds.
Shutter A closed to 0.0 percent in 0.565 seconds.
Shutter B closed to 0.0 percent in 0.566 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size=     226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.16e+03x    
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done

DFM (FOCUS)
  changing to best focus...  dfm: filter=o[2] foc=9268 IDLE

Sat Jan 10 18:56:08 SAST 2026 [elapsed=329 sec] IMAGING (acam+auxcam)
  status...OK
  cam: main=[idle] aux=[off] N=0/0 spi=184.7 IDLE
  taking preflight exposures:
  acam...OK
  acam image:
    125M Jan 10 18:56 /atlas/obs/03a/61051/03a61051e0001o.arch.fz
  AUXCAM: Skipping (noauxcam=1).

Sat Jan 10 18:56:31 SAST 2026 [elapsed=352 sec] DEHUMIDIFIER
  OTA humidity exists...OK
  OTA humidity is current... OK (14 seconds old)
  OTA humidity level...OK (7%)
  Dome humidity exists...OK
  Dome humidity is current... OK

Sat Jan 10 18:56:31 SAST 2026 [elapsed=352 sec] SCHEDULE
  Status...OK
  Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61050.70592214|info|galildriver|using focus model: foc=9187+(4.30)*24.9+(-0.40)*60.2=9270.0
61050.70592704|info|galildriver|o  2 IN  | cass:  3046069  15.23 mm b=23 move=NO       | arm:   408826 475.94 mm b=03 move=OK       | foc: 54013110  9269 um b=2f       [cmd]
bestfocus for o...OK


Sat Jan 10 18:56:33 SAST 2026 [elapsed=354 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.

Sat Jan 10 18:57:03 SAST 2026 [elapsed=384 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 Jan 10 18:57:04 SAST 2026 [elapsed=385 sec] NOTICES: det_dzdx=-907 is outside range +-250 from -558; det_dzdy=4512 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 Jan 10 18:57:04 SAST 2026 [elapsed=385 sec] Happy observing!
Sat Jan 10 18:57:04 SAST 2026 [elapsed=385 sec] Preflight took 385 seconds to complete.


Sat Jan 10 18:57:04 SAST 2026 [elapsed=385 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   110   1.2%
A  0.081s   373   4.1%
A  0.111s   717   7.8%
A  0.141s  1181  12.9%
A  0.171s  1760  19.2%
A  0.202s  2441  26.7%
A  0.232s  3238  35.4%
A  0.262s  4143  45.3%
A  0.292s  5078  55.5%
A  0.323s  5964  65.2%
A  0.353s  6756  73.8%
A  0.383s  7412  81.0%
A  0.413s  7992  87.3%
A  0.443s  8446  92.3%
A  0.474s  8778  95.9%
A  0.504s  9023  98.6%
A  0.534s  9138  99.8%
A  0.564s  9152 100.0%
B  0.020s     0   0.0%
B  0.050s   121   1.3%
B  0.080s   389   4.2%
B  0.111s   728   8.0%
B  0.141s  1202  13.1%
B  0.171s  1773  19.4%
B  0.201s  2465  26.9%
B  0.232s  3267  35.7%
B  0.262s  4167  45.5%
B  0.292s  5103  55.7%
B  0.322s  5988  65.4%
B  0.353s  6771  74.0%
B  0.383s  7440  81.3%
B  0.413s  8002  87.4%
B  0.444s  8457  92.4%
B  0.474s  8796  96.1%
B  0.504s  9023  98.6%
B  0.534s  9138  99.8%
B  0.565s  9156 100.0%
sleeping 3 sec between shutter moves...
A  0.020s  9150 100.0%
A  0.050s  9039  98.7%
A  0.081s  8776  95.9%
A  0.111s  8423  92.0%
A  0.141s  7959  86.9%
A  0.171s  7378  80.6%
A  0.202s  6688  73.1%
A  0.232s  5897  64.4%
A  0.262s  4976  54.4%
A  0.292s  4038  44.1%
A  0.322s  3167  34.6%
A  0.353s  2381  26.0%
A  0.383s  1716  18.7%
A  0.413s  1145  12.5%
A  0.443s   694   7.6%
A  0.474s   359   3.9%
A  0.504s   125   1.4%
A  0.534s    15   0.2%
A  0.564s     3   0.0%
B  0.020s  9145  99.9%
B  0.051s  9017  98.5%
B  0.081s  8771  95.8%
B  0.111s  8422  92.0%
B  0.141s  7951  86.9%
B  0.172s  7376  80.6%
B  0.202s  6688  73.1%
B  0.232s  5892  64.4%
B  0.262s  4983  54.4%
B  0.292s  4053  44.3%
B  0.323s  3162  34.5%
B  0.353s  2390  26.1%
B  0.383s  1706  18.6%
B  0.413s  1149  12.6%
B  0.444s   700   7.6%
B  0.474s   357   3.9%
B  0.504s   138   1.5%
B  0.534s    17   0.2%
B  0.564s     1   0.0%
A    -1 -0.0mm   15 N F R | B     1  0.0mm   15 N F R