STH Recent Preflight: 61217
Executing preflight for 61217 at Thu Jun 25 16:43:08 SAST 2026.
Log can be found in /atlas/obs/03/61217/preflight.dat.
Setting donefile '/atlas/obs/03/61217/preflight_complete.20260625144308.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260625144308.13534.
Thu Jun 25 16:43:08 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Jun 25 16:43:08 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [1ef791db-a3e8-4793-9013-cfbbe3e0daea;1800]
Thu Jun 25 16:43:08 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu Jun 25 16:43:09 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Jun 25 16:43:09 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Thu Jun 25 16:43:09 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Jun 25 16:43:09 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782398584
OK
Thu Jun 25 16:43:09 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Jun 25 16:43:09 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 Jun 25 16:43:11 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 Jun 25 16:43:11 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Jun 25 16:43:11 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Thu Jun 25 14:43:11 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 254 1024 377 1.009 0.016 1.933
*metbox2.sth.atl .PPS. 1 u 386 1024 377 0.317 -0.050 0.048
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 704 1024 377 23.313 -0.165 0.235
+ntp.as3741.net 210.182.58.253 2 u 950 1024 377 22.807 -0.024 0.233
-ntp2.as3741.net 155.232.19.7 2 u 760 1024 367 7.255 -0.120 0.066
-ntp2.inx.net.za 183.3.52.101 2 u 532 1024 377 7.303 0.053 0.068
-ntp5.inx.net.za 183.3.52.101 2 u 969 1024 377 7.553 0.016 0.044
#102.222.156.151 196.21.187.2 2 u 1481 1024 376 26.576 1.156 1.214
-102.222.103.99 80.72.67.48 3 u 344 1024 377 7.472 0.069 0.155
+139.84.231.68 ( 196.21.187.2 2 u 587 1024 377 22.913 -0.033 0.440
-ntp8.inx.net.za 210.182.58.253 2 u 271 1024 377 16.921 0.133 0.698
Thu Jun 25 16:43:14 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6250GB)
200GB available in /atlas/red...OK (9439GB)
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/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 37G 56G 40% /
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 4.4T 9.1T 33% /
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 736G 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
Thu Jun 25 16:43:14 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
Thu Jun 25 16:43:14 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Thu Jun 25 16:43:14 SAST 2026 [elapsed=6 sec] SERVICES2
Thu Jun 25 16:43:14 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Jun 25 16:43:18 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= 912kB time=00:00:29.18 bitrate= 256.0kbits/s speed=1.43e+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 Jun 25 16:46:33 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: 154.10 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Thu Jun 25 16:47:24 SAST 2026 [elapsed=256 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Jun 25 16:47:43 SAST 2026 [elapsed=275 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=306.0 IDLE
Thu Jun 25 16:47:43 SAST 2026 [elapsed=275 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 (-54.6C)
Checking CCD plane: Z0=+1700.00 DZDX=-893.00 DZDY=+2130.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Jun 25 16:47:43 SAST 2026 [elapsed=275 sec] WEATHER
status weather: C+ H+ 10.8C 91% 10/12kph@109 DP0.8C/-23C/d IDLE
...OK
Thu Jun 25 16:47:44 SAST 2026 [elapsed=276 sec] MET
status...OK
met: c=Y o=N Ro4h Cx22 Wo7d Hx55 To7d Do49 wait CH IDLE
Thu Jun 25 16:47:44 SAST 2026 [elapsed=276 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Jun 25 16:47:46 SAST 2026 [elapsed=278 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 183.01 -14.64, az/alt=59.90 +60.05 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 9 0.1%
A 0.050s 106 1.2%
A 0.081s 391 4.3%
A 0.111s 734 8.0%
A 0.141s 1189 13.0%
A 0.172s 1782 19.5%
A 0.202s 2466 26.9%
A 0.232s 3257 35.6%
A 0.262s 4161 45.5%
A 0.293s 5117 55.9%
A 0.323s 5991 65.4%
A 0.353s 6781 74.1%
A 0.384s 7439 81.3%
A 0.414s 7998 87.4%
A 0.444s 8467 92.5%
A 0.475s 8794 96.1%
A 0.505s 9020 98.5%
A 0.535s 9153 100.0%
B 0.020s 1 0.0%
B 0.050s 97 1.1%
B 0.081s 382 4.2%
B 0.111s 728 8.0%
B 0.141s 1196 13.1%
B 0.172s 1776 19.4%
B 0.202s 2464 26.9%
B 0.232s 3257 35.6%
B 0.263s 4167 45.5%
B 0.293s 5102 55.7%
B 0.323s 5990 65.4%
B 0.353s 6774 74.0%
B 0.384s 7436 81.2%
B 0.414s 8010 87.5%
B 0.444s 8456 92.4%
B 0.475s 8799 96.1%
B 0.505s 9029 98.6%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.050s 9058 99.0%
A 0.081s 8763 95.7%
A 0.111s 8401 91.8%
A 0.141s 7952 86.9%
A 0.172s 7354 80.3%
A 0.202s 6667 72.8%
A 0.232s 5870 64.1%
A 0.263s 4954 54.1%
A 0.293s 4014 43.8%
A 0.323s 3138 34.3%
A 0.353s 2354 25.7%
A 0.384s 1686 18.4%
A 0.414s 1131 12.4%
A 0.444s 686 7.5%
A 0.475s 342 3.7%
A 0.505s 123 1.3%
A 0.535s 11 0.1%
A 0.565s -8 0.0%
B 0.020s 9145 99.9%
B 0.050s 9033 98.7%
B 0.081s 8773 95.8%
B 0.111s 8424 92.0%
B 0.141s 7957 86.9%
B 0.171s 7379 80.6%
B 0.202s 6719 73.4%
B 0.232s 5924 64.7%
B 0.262s 5015 54.8%
B 0.292s 4081 44.6%
B 0.323s 3190 34.8%
B 0.353s 2406 26.3%
B 0.383s 1733 18.9%
B 0.414s 1157 12.6%
B 0.444s 709 7.7%
B 0.474s 365 4.0%
B 0.505s 127 1.4%
B 0.535s 11 0.1%
B 0.565s -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 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 0.565 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=1.09e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9224 IDLE
Thu Jun 25 16:48:22 SAST 2026 [elapsed=314 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=306.0 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Jun 25 16:48 /atlas/obs/03a/61217/03a61217e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Jun 25 16:48:45 SAST 2026 [elapsed=337 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (56 seconds old)
OTA humidity level...OK (20%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Jun 25 16:48:45 SAST 2026 [elapsed=337 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61216.61719265|info|galildriver|using focus model: foc=9187+(4.30)*14.6+(-0.40)*60.2=9225.7
61216.61719731|info|galildriver|o 2 IN | cass: 3046863 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54004359 9225 um b=0f [cmd]
bestfocus for o...OK
Thu Jun 25 16:48:46 SAST 2026 [elapsed=338 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Jun 25 16:49:12 SAST 2026 [elapsed=364 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 Jun 25 16:49:13 SAST 2026 [elapsed=365 sec] NOTICES: det_dzdx=-893 is outside range +-250 from -558; det_dzdy=2130 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 Jun 25 16:49:13 SAST 2026 [elapsed=365 sec] Happy observing!
Thu Jun 25 16:49:13 SAST 2026 [elapsed=365 sec] Preflight took 365 seconds to complete.
Thu Jun 25 16:49:13 SAST 2026 [elapsed=365 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
Preflight image
Shutter acutation data:
A 0.020s 3 0.0% A 0.050s 113 1.2% A 0.081s 387 4.2% A 0.111s 736 8.0% A 0.141s 1196 13.1% A 0.172s 1783 19.5% A 0.202s 2467 26.9% A 0.232s 3266 35.7% A 0.262s 4175 45.6% A 0.293s 5104 55.8% A 0.323s 5998 65.5% A 0.353s 6774 74.0% A 0.383s 7433 81.2% A 0.413s 8006 87.5% A 0.444s 8456 92.4% A 0.474s 8791 96.0% A 0.504s 9027 98.6% A 0.534s 9137 99.8% A 0.565s 9154 100.0% B 0.020s 2 0.0% B 0.050s 110 1.2% B 0.081s 379 4.1% B 0.111s 727 7.9% B 0.141s 1203 13.1% B 0.171s 1773 19.4% B 0.201s 2442 26.7% B 0.232s 3241 35.4% B 0.262s 4137 45.2% B 0.292s 5074 55.4% B 0.322s 5963 65.1% B 0.353s 6747 73.7% B 0.383s 7421 81.1% B 0.413s 7984 87.2% B 0.443s 8443 92.2% B 0.474s 8786 96.0% B 0.504s 9017 98.5% B 0.534s 9137 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9057 98.9% A 0.081s 8788 96.0% A 0.111s 8433 92.1% A 0.141s 7958 86.9% A 0.172s 7400 80.8% A 0.202s 6716 73.4% A 0.232s 5921 64.7% A 0.262s 5012 54.8% A 0.292s 4068 44.4% A 0.323s 3193 34.9% A 0.353s 2409 26.3% A 0.383s 1730 18.9% A 0.413s 1165 12.7% A 0.444s 706 7.7% A 0.474s 368 4.0% A 0.504s 132 1.4% A 0.534s 15 0.2% A 0.564s 1 0.0% B 0.020s 9146 99.9% B 0.050s 9025 98.6% B 0.081s 8781 95.9% B 0.111s 8434 92.1% B 0.141s 7969 87.1% B 0.171s 7398 80.8% B 0.201s 6714 73.3% B 0.232s 5921 64.7% B 0.262s 5041 55.1% B 0.292s 4111 44.9% B 0.322s 3218 35.2% B 0.353s 2439 26.6% B 0.383s 1748 19.1% B 0.413s 1180 12.9% B 0.443s 726 7.9% B 0.474s 374 4.1% B 0.504s 144 1.6% B 0.534s 18 0.2% B 0.564s 1 0.0% A 1 0.0mm 15 N F R | B 1 0.0mm 15 N F R