STH Recent Preflight: 61300
Executing preflight for 61300 at Wed Sep 16 17:31:47 SAST 2026.
Log can be found in /atlas/obs/03/61300/preflight.dat.
Setting donefile '/atlas/obs/03/61300/preflight_complete.20260916153147.4726' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260916153147.4726.
Wed Sep 16 17:31:47 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Sep 16 17:31:47 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [27f64cf7-356c-4a15-bcd1-c7cf31320311;1800]
Wed Sep 16 17:31:47 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Wed Sep 16 17:31:48 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Sep 16 17:31:48 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Wed Sep 16 17:31:48 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Sep 16 17:31:48 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1789572706
OK
Wed Sep 16 17:31:48 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Sep 16 17:31:48 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
Wed Sep 16 17:31:50 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
Wed Sep 16 17:31:50 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Wed Sep 16 17:31:50 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Wed Sep 16 15:31:50 UTC 2026
metbox: 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 465 1024 377 1.068 -0.134 0.088
+metbox2.sth.atl .PPS. 1 u 634 1024 377 0.300 -0.198 0.043
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 1063 1024 277 23.273 0.018 0.320
-ntp.as3741.net 146.64.8.7 2 u 63 1024 377 23.794 0.104 0.400
-ntp2.as3741.net 155.232.19.6 2 u 50 1024 377 7.289 -0.158 0.678
+ntp2.inx.net.za 183.3.52.101 2 u 254 1024 377 7.277 -0.226 0.078
-ntp5.inx.net.za 196.21.187.2 2 u 191 1024 377 7.873 -0.386 0.180
#102.222.156.151 196.21.187.2 2 u 62 1024 367 23.471 -1.446 1.064
+ntp2.nog.net.za 80.72.67.48 3 u 130 1024 377 7.633 -0.188 0.053
-139.84.231.68 ( 196.21.187.2 2 u 151 1024 377 22.908 -0.609 1.057
-ntp8.inx.net.za 210.182.58.253 2 u 67 1024 377 16.435 -0.323 0.259
Wed Sep 16 17:31:53 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (5419GB)
200GB available in /atlas/red...OK (8652GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 5.1T 5.2T 50% /
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 41% /
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 5.2T 8.3T 39% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.8T 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 737G 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
Wed Sep 16 17:31:53 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
Wed Sep 16 17:31:53 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Wed Sep 16 17:31:53 SAST 2026 [elapsed=6 sec] SERVICES2
Wed Sep 16 17:31:53 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Sep 16 17:31:57 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= 908kB time=00:00:29.05 bitrate= 256.0kbits/s speed=1.51e+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
Wed Sep 16 17:35:13 SAST 2026 [elapsed=206 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: 248.11 -29.49, az/alt=324.78 +86.49 idle(e) IDLE
Wed Sep 16 17:36:04 SAST 2026 [elapsed=257 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Sep 16 17:36:23 SAST 2026 [elapsed=276 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Wed Sep 16 17:36:23 SAST 2026 [elapsed=276 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (4 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-55.3C)
Checking CCD plane: Z0=+1663.00 DZDX=-874.00 DZDY=+1332.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Sep 16 17:36:23 SAST 2026 [elapsed=276 sec] WEATHER
status weather: C+ W H+ 3.7C 96% 30/34kph@178 DP0.2C/-11C/d IDLE
...OK
Wed Sep 16 17:36:24 SAST 2026 [elapsed=277 sec] MET
status...OK
met: c=Y o=N Ro3 Cx12h Wo1d Hx12h To90d Do3d wait CH IDLE
Wed Sep 16 17:36:24 SAST 2026 [elapsed=277 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Sep 16 17:36:26 SAST 2026 [elapsed=279 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 277.02 -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 106 1.2%
A 0.081s 387 4.2%
A 0.111s 734 8.0%
A 0.142s 1190 13.0%
A 0.172s 1779 19.4%
A 0.202s 2466 26.9%
A 0.233s 3259 35.6%
A 0.263s 4161 45.5%
A 0.293s 5116 55.9%
A 0.323s 6019 65.8%
A 0.354s 6803 74.3%
A 0.384s 7458 81.5%
A 0.415s 8019 87.6%
A 0.445s 8479 92.6%
A 0.475s 8804 96.2%
A 0.505s 9029 98.6%
A 0.536s 9153 100.0%
B 0.020s 1 0.0%
B 0.051s 96 1.0%
B 0.081s 379 4.1%
B 0.111s 738 8.1%
B 0.142s 1212 13.2%
B 0.172s 1796 19.6%
B 0.202s 2488 27.2%
B 0.233s 3283 35.9%
B 0.263s 4195 45.8%
B 0.293s 5132 56.1%
B 0.323s 6020 65.8%
B 0.353s 6796 74.2%
B 0.384s 7458 81.5%
B 0.414s 8029 87.7%
B 0.444s 8456 92.4%
B 0.474s 8799 96.1%
B 0.505s 9032 98.7%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9067 99.0%
A 0.081s 8787 96.0%
A 0.111s 8426 92.0%
A 0.141s 7987 87.3%
A 0.171s 7396 80.8%
A 0.202s 6716 73.4%
A 0.232s 5925 64.7%
A 0.262s 5012 54.8%
A 0.292s 4075 44.5%
A 0.322s 3194 34.9%
A 0.353s 2397 26.2%
A 0.383s 1727 18.9%
A 0.413s 1163 12.7%
A 0.443s 708 7.7%
A 0.474s 364 4.0%
A 0.504s 133 1.5%
A 0.534s 14 0.2%
A 0.564s -7 0.0%
B 0.020s 9144 99.9%
B 0.050s 9028 98.6%
B 0.080s 8766 95.8%
B 0.111s 8413 91.9%
B 0.141s 7942 86.8%
B 0.171s 7360 80.4%
B 0.201s 6673 72.9%
B 0.232s 5870 64.1%
B 0.262s 4985 54.5%
B 0.292s 4050 44.2%
B 0.322s 3164 34.6%
B 0.352s 2384 26.0%
B 0.383s 1711 18.7%
B 0.413s 1140 12.5%
B 0.443s 695 7.6%
B 0.473s 355 3.9%
B 0.504s 124 1.4%
B 0.534s 11 0.1%
B 0.564s -7 0.0%
A 0 0.0mm 15 N F R | B -6 -0.2mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.536 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.0 percent in 0.564 seconds.
Shutter B closed to 0.0 percent in 0.564 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.04e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9205 IDLE
Wed Sep 16 17:37:02 SAST 2026 [elapsed=315 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Sep 16 17:37 /atlas/obs/03a/61300/03a61300e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Sep 16 17:37:25 SAST 2026 [elapsed=338 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (65 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Sep 16 17:37:25 SAST 2026 [elapsed=338 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61299.65099157|info|galildriver|using focus model: foc=9187+(4.30)*10.4+(-0.40)*60.2=9207.6
61299.65099658|info|galildriver|o 2 IN | cass: 3042811 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54000388 9205 um b=8f M [focus]
61299.65100673|info|galildriver|o 2 IN | cass: 3042813 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54000389 9205 um b=0f [cmd]
bestfocus for o...OK
Wed Sep 16 17:37:27 SAST 2026 [elapsed=340 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Sep 16 17:37:53 SAST 2026 [elapsed=366 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
Wed Sep 16 17:37:54 SAST 2026 [elapsed=367 sec] NOTICES: det_dzdx=-874 is outside range +-250 from -558; det_dzdy=1332 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Wed Sep 16 17:37:54 SAST 2026 [elapsed=367 sec] Happy observing!
Wed Sep 16 17:37:54 SAST 2026 [elapsed=367 sec] Preflight took 367 seconds to complete.
Wed Sep 16 17:37:54 SAST 2026 [elapsed=367 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 112 1.2% A 0.081s 385 4.2% A 0.112s 736 8.0% A 0.142s 1196 13.1% A 0.173s 1804 19.7% A 0.203s 2489 27.2% A 0.234s 3295 36.0% A 0.264s 4235 46.3% A 0.295s 5162 56.4% A 0.326s 6053 66.1% A 0.356s 6842 74.7% A 0.387s 7493 81.9% A 0.417s 8053 88.0% A 0.448s 8509 93.0% A 0.478s 8830 96.5% A 0.509s 9048 98.8% A 0.539s 9145 99.9% B 0.020s 1 0.0% B 0.051s 112 1.2% B 0.081s 379 4.1% B 0.112s 740 8.1% B 0.142s 1219 13.3% B 0.173s 1792 19.6% B 0.203s 2516 27.5% B 0.234s 3324 36.3% B 0.264s 4229 46.2% B 0.295s 5161 56.4% B 0.325s 6040 66.0% B 0.356s 6843 74.8% B 0.386s 7501 81.9% B 0.417s 8050 87.9% B 0.447s 8493 92.8% B 0.477s 8822 96.4% B 0.508s 9040 98.8% B 0.538s 9145 99.9% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.051s 9056 98.9% A 0.081s 8778 95.9% A 0.112s 8421 92.0% A 0.142s 7958 86.9% A 0.173s 7380 80.6% A 0.203s 6692 73.1% A 0.234s 5868 64.1% A 0.264s 4950 54.1% A 0.295s 4009 43.8% A 0.325s 3140 34.3% A 0.356s 2340 25.6% A 0.386s 1671 18.3% A 0.416s 1113 12.2% A 0.447s 668 7.3% A 0.477s 339 3.7% A 0.508s 109 1.2% A 0.539s 8 0.1% B 0.020s 9144 99.9% B 0.051s 9015 98.5% B 0.081s 8765 95.8% B 0.112s 8410 91.9% B 0.142s 7923 86.6% B 0.173s 7340 80.2% B 0.204s 6644 72.6% B 0.234s 5809 63.5% B 0.265s 4891 53.4% B 0.295s 3969 43.4% B 0.326s 3087 33.7% B 0.357s 2301 25.1% B 0.387s 1622 17.7% B 0.418s 1083 11.8% B 0.448s 650 7.1% B 0.479s 313 3.4% B 0.509s 106 1.2% B 0.540s 5 0.1% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R