STH Recent Preflight: 61227
Executing preflight for 61227 at Sun Jul 5 16:47:01 SAST 2026.
Log can be found in /atlas/obs/03/61227/preflight.dat.
Setting donefile '/atlas/obs/03/61227/preflight_complete.20260705144701.27895' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260705144701.27895.
Sun Jul 5 16:47:01 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Jul 5 16:47:01 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [8fb29543-29ee-44a2-adf4-093404a2c237;1800]
Sun Jul 5 16:47:01 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun Jul 5 16:47:05 SAST 2026 [elapsed=4 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Jul 5 16:47:05 SAST 2026 [elapsed=4 sec] auxcam is disabled.
Sun Jul 5 16:47:05 SAST 2026 [elapsed=4 sec] Skipping auxcam.
error: unknown module: vent
Sun Jul 5 16:47:05 SAST 2026 [elapsed=4 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1783262822
OK
Sun Jul 5 16:47:05 SAST 2026 [elapsed=4 sec] OPSEC
AUTO mode: ...OK
Sun Jul 5 16:47:05 SAST 2026 [elapsed=4 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
Sun Jul 5 16:47:07 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
Sun Jul 5 16:47:08 SAST 2026 [elapsed=7 sec] QUEUE
0 observations queued.
Sun Jul 5 16:47:08 SAST 2026 [elapsed=7 sec] CLOCKS
admin: Sun Jul 5 14:47:08 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 190 1024 377 1.022 -0.057 0.044
+metbox2.sth.atl .PPS. 1 u 915 1024 377 0.294 -0.103 0.062
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 703 1024 377 23.498 -0.244 0.686
+ntp.as3741.net 210.182.58.253 2 u 798 1024 377 23.080 -0.053 0.698
-ntp2.as3741.net 155.232.19.7 2 u 1046 1024 377 7.279 -0.172 0.052
-ntp2.inx.net.za 183.3.52.101 2 u 860 1024 377 7.402 -0.130 0.126
-ntp5.inx.net.za 102.176.229.251 2 u 1003 1024 377 7.497 -0.201 0.094
#102.222.156.151 196.21.187.2 2 u 749 1024 377 24.703 0.244 0.224
-102.222.103.99 80.72.67.48 3 u 19 1024 377 7.518 -0.052 0.245
+139.84.231.68 ( 196.21.187.2 2 u 842 1024 377 22.784 -0.044 0.088
-ntp8.inx.net.za 183.3.52.101 2 u 71 1024 377 16.968 -0.155 0.066
Sun Jul 5 16:47:10 SAST 2026 [elapsed=9 sec] DISKS
200GB available in /atlas/obs...OK (6468GB)
200GB available in /atlas/red...OK (9115GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.1T 6.2T 40% /
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 4.7T 8.7T 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 1.8T 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
Sun Jul 5 16:47:11 SAST 2026 [elapsed=10 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
Sun Jul 5 16:47:11 SAST 2026 [elapsed=10 sec] Disabling mount tracking.
Sun Jul 5 16:47:11 SAST 2026 [elapsed=10 sec] SERVICES2
Sun Jul 5 16:47:11 SAST 2026 [elapsed=10 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Jul 5 16:47:15 SAST 2026 [elapsed=14 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=1.52e+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
Sun Jul 5 16:49:52 SAST 2026 [elapsed=171 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: 164.78 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Sun Jul 5 16:50:42 SAST 2026 [elapsed=221 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Jul 5 16:51:02 SAST 2026 [elapsed=241 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Sun Jul 5 16:51:02 SAST 2026 [elapsed=241 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (-0 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.8C)
Checking CCD plane: Z0=+1695.00 DZDX=-889.00 DZDY=+2017.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Jul 5 16:51:02 SAST 2026 [elapsed=241 sec] WEATHER
status weather: clear 12.4C 36% 17/18kph@38 DP13.7C/-37C/d IDLE
...OK
Sun Jul 5 16:51:03 SAST 2026 [elapsed=242 sec] MET
status...OK
met: c=N o=Y Ro6d Co2d Wo6d Ho2d To17d Do2d IDLE
Sun Jul 5 16:51:03 SAST 2026 [elapsed=242 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Jul 5 16:51:05 SAST 2026 [elapsed=244 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 193.70 -14.63, az/alt=59.90 +60.06 tracking(w) IDLE 0s
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 0.050s 114 1.2%
A 0.081s 400 4.4%
A 0.111s 746 8.1%
A 0.141s 1207 13.2%
A 0.171s 1803 19.7%
A 0.202s 2490 27.2%
A 0.232s 3285 35.9%
A 0.262s 4192 45.8%
A 0.292s 5146 56.2%
A 0.323s 6017 65.7%
A 0.353s 6804 74.3%
A 0.383s 7460 81.5%
A 0.413s 8014 87.5%
A 0.444s 8478 92.6%
A 0.474s 8804 96.2%
A 0.504s 9027 98.6%
A 0.534s 9153 100.0%
B 0.020s 1 0.0%
B 0.050s 97 1.1%
B 0.081s 382 4.2%
B 0.111s 726 7.9%
B 0.141s 1196 13.1%
B 0.171s 1776 19.4%
B 0.201s 2466 26.9%
B 0.232s 3258 35.6%
B 0.262s 4165 45.5%
B 0.292s 5074 55.4%
B 0.322s 5963 65.1%
B 0.353s 6752 73.8%
B 0.383s 7416 81.0%
B 0.413s 7993 87.3%
B 0.443s 8443 92.2%
B 0.474s 8787 96.0%
B 0.504s 9023 98.6%
B 0.534s 9143 99.9%
B 0.564s 9161 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9065 99.0%
A 0.081s 8773 95.8%
A 0.111s 8415 91.9%
A 0.141s 7970 87.1%
A 0.172s 7373 80.5%
A 0.202s 6693 73.1%
A 0.232s 5896 64.4%
A 0.262s 4983 54.4%
A 0.293s 4045 44.2%
A 0.323s 3165 34.6%
A 0.353s 2376 26.0%
A 0.383s 1710 18.7%
A 0.414s 1146 12.5%
A 0.444s 698 7.6%
A 0.474s 356 3.9%
A 0.504s 134 1.5%
A 0.535s 16 0.2%
A 0.565s -7 0.0%
B 0.020s 9145 99.9%
B 0.050s 9033 98.7%
B 0.081s 8774 95.8%
B 0.111s 8425 92.0%
B 0.141s 7958 86.9%
B 0.171s 7380 80.6%
B 0.202s 6694 73.1%
B 0.232s 5897 64.4%
B 0.262s 4984 54.4%
B 0.292s 4050 44.2%
B 0.323s 3164 34.6%
B 0.353s 2383 26.0%
B 0.383s 1733 18.9%
B 0.413s 1156 12.6%
B 0.444s 710 7.8%
B 0.474s 365 4.0%
B 0.504s 133 1.5%
B 0.534s 13 0.1%
B 0.565s -5 0.0%
A 1 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 0.534 seconds.
Shutter B opened to 100.0 percent in 0.564 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= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.12e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9212 IDLE
Sun Jul 5 16:51:45 SAST 2026 [elapsed=284 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Jul 5 16:52 /atlas/obs/03a/61227/03a61227e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Jul 5 16:52:07 SAST 2026 [elapsed=306 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (78 seconds old)
OTA humidity level...OK (17%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Jul 5 16:52:07 SAST 2026 [elapsed=306 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61226.61953589|info|galildriver|using focus model: foc=9187+(4.30)*14.8+(-0.40)*60.2=9226.5
61226.61954126|info|galildriver|o 2 IN | cass: 3046420 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54001769 9212 um b=8f M [focus]
61226.61954953|info|galildriver|o 2 IN | cass: 3046419 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54001769 9212 um b=8f M [focus]
61226.61955292|info|galildriver|o 2 IN | cass: 3046413 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54001777 9212 um b=8f M [focus]
61226.61956108|info|galildriver|o 2 IN | cass: 3046416 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54001775 9212 um b=0f [cmd]
bestfocus for o...OK
Sun Jul 5 16:52:10 SAST 2026 [elapsed=309 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Jul 5 16:52:36 SAST 2026 [elapsed=335 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
Sun Jul 5 16:52:37 SAST 2026 [elapsed=336 sec] NOTICES: det_dzdx=-889 is outside range +-250 from -558; det_dzdy=2017 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sun Jul 5 16:52:37 SAST 2026 [elapsed=336 sec] Happy observing!
Sun Jul 5 16:52:37 SAST 2026 [elapsed=336 sec] Preflight took 336 seconds to complete.
Sun Jul 5 16:52:37 SAST 2026 [elapsed=336 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 5 0.1% A 0.051s 121 1.3% A 0.081s 394 4.3% A 0.111s 750 8.2% A 0.141s 1214 13.3% A 0.171s 1803 19.7% A 0.202s 2490 27.2% A 0.232s 3294 36.0% A 0.262s 4205 45.9% A 0.292s 5133 56.1% A 0.323s 6025 65.8% A 0.353s 6798 74.3% A 0.383s 7453 81.4% A 0.413s 8006 87.5% A 0.443s 8458 92.4% A 0.474s 8791 96.0% A 0.504s 9027 98.6% A 0.534s 9137 99.8% A 0.564s 9153 100.0% B 0.020s 1 0.0% B 0.050s 123 1.3% B 0.081s 389 4.2% B 0.111s 743 8.1% B 0.141s 1219 13.3% B 0.172s 1796 19.6% B 0.202s 2491 27.2% B 0.232s 3295 36.0% B 0.262s 4199 45.9% B 0.293s 5133 56.1% B 0.323s 6017 65.7% B 0.353s 6793 74.2% B 0.384s 7460 81.5% B 0.414s 8019 87.6% B 0.444s 8468 92.5% B 0.474s 8805 96.2% B 0.505s 9028 98.6% B 0.535s 9140 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9153 100.0% A 0.050s 9043 98.8% A 0.081s 8768 95.8% A 0.111s 8409 91.9% A 0.141s 7942 86.8% A 0.171s 7362 80.4% A 0.202s 6692 73.1% A 0.232s 5867 64.1% A 0.262s 4983 54.4% A 0.292s 4040 44.1% A 0.322s 3166 34.6% A 0.353s 2385 26.1% A 0.383s 1710 18.7% A 0.413s 1147 12.5% A 0.444s 693 7.6% A 0.474s 359 3.9% A 0.504s 119 1.3% A 0.535s 11 0.1% A 0.565s 2 0.0% B 0.020s 9142 99.9% B 0.050s 9012 98.4% B 0.081s 8762 95.7% B 0.111s 8408 91.9% B 0.141s 7934 86.7% B 0.171s 7357 80.4% B 0.202s 6665 72.8% B 0.232s 5865 64.1% B 0.262s 4951 54.1% B 0.292s 4023 43.9% B 0.323s 3135 34.2% B 0.353s 2370 25.9% B 0.383s 1704 18.6% B 0.413s 1132 12.4% B 0.443s 700 7.6% B 0.474s 356 3.9% B 0.504s 132 1.4% B 0.534s 14 0.2% B 0.564s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R