STH Recent Preflight: 61228
Executing preflight for 61228 at Mon Jul 6 16:47:23 SAST 2026.
Log can be found in /atlas/obs/03/61228/preflight.dat.
Setting donefile '/atlas/obs/03/61228/preflight_complete.20260706144723.27895' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260706144723.27895.
Mon Jul 6 16:47:23 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Jul 6 16:47:23 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [58f85bab-2852-4855-abe9-52201e93f924;1800]
Mon Jul 6 16:47:23 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Jul 6 16:47:25 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Jul 6 16:47:25 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Mon Jul 6 16:47:25 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Mon Jul 6 16:47:25 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1783349236
OK
Mon Jul 6 16:47:25 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Mon Jul 6 16:47:25 SAST 2026 [elapsed=2 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
Mon Jul 6 16:47:29 SAST 2026 [elapsed=6 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
Mon Jul 6 16:47:29 SAST 2026 [elapsed=6 sec] QUEUE
0 observations queued.
Mon Jul 6 16:47:29 SAST 2026 [elapsed=6 sec] CLOCKS
admin: Mon Jul 6 14:47:29 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 176 1024 377 1.020 0.084 0.113
+metbox2.sth.atl .PPS. 1 u 819 1024 377 0.290 0.071 0.110
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 511 1024 377 23.224 0.606 0.428
+ntp.as3741.net 210.182.58.253 2 u 567 1024 377 23.179 0.123 1.193
+ntp2.as3741.net 155.232.19.7 2 u 610 1024 377 7.258 -0.062 0.069
+ntp2.inx.net.za 183.3.52.101 2 u 805 1024 377 7.269 0.028 0.135
+ntp5.inx.net.za 102.176.229.251 2 u 936 1024 377 7.526 0.075 0.239
-102.222.156.151 196.21.187.2 2 u 645 1024 377 23.551 0.058 0.372
+102.222.103.99 80.72.67.48 3 u 1067 1024 377 7.543 0.121 0.107
-139.84.231.68 ( 196.21.187.2 2 u 836 1024 377 22.828 -0.411 0.276
#ntp8.inx.net.za 183.3.52.101 2 u 13 1024 377 16.887 -0.037 8.992
Mon Jul 6 16:47:31 SAST 2026 [elapsed=8 sec] DISKS
200GB available in /atlas/obs...OK (6346GB)
200GB available in /atlas/red...OK (9124GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.2T 6.1T 41% /
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 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 4.7T 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 1.9T 12T 14% /
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
Mon Jul 6 16:47:31 SAST 2026 [elapsed=8 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
Mon Jul 6 16:47:31 SAST 2026 [elapsed=8 sec] Disabling mount tracking.
Mon Jul 6 16:47:31 SAST 2026 [elapsed=8 sec] SERVICES2
Mon Jul 6 16:47:32 SAST 2026 [elapsed=8 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Jul 6 16:47:36 SAST 2026 [elapsed=13 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= 926kB time=00:00:29.63 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
Mon Jul 6 16:50:52 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: 166.19 -29.49, az/alt=324.74 +86.49 idle(e) IDLE
Mon Jul 6 16:52:23 SAST 2026 [elapsed=300 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Jul 6 16:52:42 SAST 2026 [elapsed=319 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Mon Jul 6 16:52:42 SAST 2026 [elapsed=319 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 (-54.3C)
Checking CCD plane: Z0=+1718.00 DZDX=-874.00 DZDY=+2601.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Jul 6 16:52:42 SAST 2026 [elapsed=319 sec] WEATHER
status weather: clear 13.2C 43% 14/16kph@25 DP10.3C/-92C/d IDLE
...OK
Mon Jul 6 16:52:43 SAST 2026 [elapsed=320 sec] MET
status...OK
met: c=N o=Y Ro7d Co3d Wo7d Ho3d To18d Do3d IDLE
Mon Jul 6 16:52:43 SAST 2026 [elapsed=320 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Jul 6 16:52:43 SAST 2026 [elapsed=320 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 195.10 -14.63, 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 7 0.1%
A 0.051s 107 1.2%
A 0.081s 392 4.3%
A 0.112s 733 8.0%
A 0.142s 1188 13.0%
A 0.172s 1783 19.5%
A 0.203s 2467 26.9%
A 0.233s 3259 35.6%
A 0.263s 4164 45.5%
A 0.294s 5144 56.2%
A 0.324s 6018 65.7%
A 0.355s 6804 74.3%
A 0.385s 7459 81.5%
A 0.416s 8015 87.6%
A 0.446s 8479 92.6%
A 0.476s 8801 96.1%
A 0.507s 9033 98.7%
A 0.537s 9156 100.0%
B 0.020s 1 0.0%
B 0.051s 89 1.0%
B 0.081s 382 4.2%
B 0.111s 726 7.9%
B 0.142s 1197 13.1%
B 0.172s 1777 19.4%
B 0.202s 2465 26.9%
B 0.233s 3259 35.6%
B 0.263s 4166 45.5%
B 0.293s 5102 55.7%
B 0.324s 5991 65.4%
B 0.354s 6776 74.0%
B 0.384s 7437 81.2%
B 0.415s 8010 87.5%
B 0.445s 8455 92.4%
B 0.475s 8797 96.1%
B 0.506s 9028 98.6%
B 0.536s 9144 99.9%
B 0.566s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.050s 9059 99.0%
A 0.081s 8762 95.7%
A 0.111s 8402 91.8%
A 0.142s 7952 86.9%
A 0.172s 7353 80.3%
A 0.202s 6669 72.9%
A 0.233s 5869 64.1%
A 0.263s 4953 54.1%
A 0.293s 4013 43.8%
A 0.323s 3138 34.3%
A 0.354s 2354 25.7%
A 0.384s 1688 18.4%
A 0.415s 1115 12.2%
A 0.445s 674 7.4%
A 0.476s 335 3.7%
A 0.506s 118 1.3%
A 0.536s 9 0.1%
B 0.020s 9145 99.9%
B 0.051s 9032 98.7%
B 0.081s 8772 95.8%
B 0.111s 8424 92.0%
B 0.142s 7957 86.9%
B 0.172s 7380 80.6%
B 0.203s 6693 73.1%
B 0.233s 5897 64.4%
B 0.263s 4955 54.1%
B 0.294s 4021 43.9%
B 0.324s 3137 34.3%
B 0.355s 2361 25.8%
B 0.385s 1692 18.5%
B 0.415s 1126 12.3%
B 0.446s 685 7.5%
B 0.476s 338 3.7%
B 0.507s 118 1.3%
B 0.537s 9 0.1%
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 0.537 seconds.
Shutter B opened to 100.0 percent in 0.566 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.1 percent in 0.537 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.07e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9191 IDLE
Mon Jul 6 16:53:21 SAST 2026 [elapsed=358 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:
122M Jul 6 16:53 /atlas/obs/03a/61228/03a61228e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Jul 6 16:53:43 SAST 2026 [elapsed=380 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (84 seconds old)
OTA humidity level...OK (18%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Jul 6 16:53:43 SAST 2026 [elapsed=380 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61227.62064855|info|galildriver|using focus model: foc=9187+(4.30)*16.7+(-0.40)*60.2=9234.7
61227.62065392|info|galildriver|o 2 IN | cass: 3045051 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 53999872 9202 um b=8f M [focus]
61227.62066300|info|galildriver|o 2 IN | cass: 3045053 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54005074 9228 um b=8f M [focus]
61227.62067094|info|galildriver|o 2 IN | cass: 3045050 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54006215 9234 um b=0f [cmd]
bestfocus for o...OK
Mon Jul 6 16:53:46 SAST 2026 [elapsed=383 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Jul 6 16:54:12 SAST 2026 [elapsed=409 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
Mon Jul 6 16:54:13 SAST 2026 [elapsed=410 sec] NOTICES: det_dzdx=-874 is outside range +-250 from -558; det_dzdy=2601 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Mon Jul 6 16:54:13 SAST 2026 [elapsed=410 sec] Happy observing!
Mon Jul 6 16:54:13 SAST 2026 [elapsed=410 sec] Preflight took 410 seconds to complete.
Mon Jul 6 16:54:13 SAST 2026 [elapsed=410 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 0.051s 114 1.2% A 0.081s 386 4.2% A 0.112s 737 8.1% A 0.142s 1213 13.3% A 0.173s 1804 19.7% A 0.203s 2489 27.2% A 0.234s 3294 36.0% A 0.264s 4205 45.9% A 0.295s 5132 56.1% A 0.325s 6052 66.1% A 0.356s 6821 74.5% A 0.386s 7473 81.6% A 0.417s 8056 88.0% A 0.447s 8494 92.8% A 0.478s 8820 96.4% A 0.508s 9044 98.8% A 0.538s 9141 99.9% A 0.569s 9152 100.0% B 0.020s 0 0.0% B 0.050s 113 1.2% B 0.081s 379 4.1% B 0.111s 741 8.1% B 0.142s 1219 13.3% B 0.172s 1793 19.6% B 0.202s 2489 27.2% B 0.233s 3293 36.0% B 0.263s 4198 45.9% B 0.293s 5131 56.1% B 0.323s 6016 65.7% B 0.354s 6793 74.2% B 0.384s 7460 81.5% B 0.414s 8017 87.6% B 0.445s 8469 92.5% B 0.475s 8806 96.2% B 0.506s 9034 98.7% B 0.537s 9143 99.9% B 0.567s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9149 99.9% A 0.051s 9040 98.8% A 0.081s 8763 95.7% A 0.111s 8406 91.8% A 0.142s 7938 86.7% A 0.172s 7336 80.1% A 0.203s 6641 72.5% A 0.233s 5835 63.7% A 0.264s 4917 53.7% A 0.294s 3977 43.4% A 0.324s 3109 34.0% A 0.355s 2338 25.5% A 0.385s 1653 18.1% A 0.416s 1096 12.0% A 0.446s 656 7.2% A 0.477s 330 3.6% A 0.507s 108 1.2% A 0.538s 8 0.1% B 0.020s 9143 99.9% B 0.051s 9026 98.6% B 0.081s 8779 95.9% B 0.111s 8434 92.1% B 0.142s 7968 87.0% B 0.172s 7377 80.6% B 0.202s 6690 73.1% B 0.233s 5893 64.4% B 0.263s 4979 54.4% B 0.294s 4053 44.3% B 0.324s 3160 34.5% B 0.355s 2372 25.9% B 0.385s 1684 18.4% B 0.415s 1130 12.3% B 0.446s 687 7.5% B 0.476s 347 3.8% B 0.507s 125 1.4% B 0.537s 10 0.1% B 0.568s 0 0.0% A 1 0.0mm 15 N F R | B 1 0.0mm 15 N F R