STH Recent Preflight: 61229
Executing preflight for 61229 at Tue Jul 7 16:47:57 SAST 2026.
Log can be found in /atlas/obs/03/61229/preflight.dat.
Setting donefile '/atlas/obs/03/61229/preflight_complete.20260707144757.2231' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260707144757.2231.
Tue Jul 7 16:47:57 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Jul 7 16:47:57 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [42e3281d-79bb-4c94-9548-f3fe62a31dee;1800]
Tue Jul 7 16:47:57 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue Jul 7 16:47:58 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Jul 7 16:47:58 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Tue Jul 7 16:47:58 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Jul 7 16:47:58 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1783435670
OK
Tue Jul 7 16:47:58 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Jul 7 16:47:58 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
Tue Jul 7 16:48:01 SAST 2026 [elapsed=4 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
Tue Jul 7 16:48:01 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Tue Jul 7 16:48:01 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Tue Jul 7 14:48:01 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 106m 1024 40 1.124 0.014 0.065
*metbox2.sth.atl .PPS. 1 u 556 1024 377 0.290 0.025 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 614 1024 377 23.228 -0.278 0.203
-ntp.as3741.net 210.182.58.253 2 u 563 1024 377 22.921 -0.080 0.076
+ntp2.as3741.net 155.232.19.7 2 u 660 1024 377 7.288 -0.007 1.030
-ntp2.inx.net.za 183.3.52.101 2 u 875 1024 377 7.319 0.055 0.073
-ntp5.inx.net.za 183.3.52.101 2 u 910 1024 377 7.548 0.011 0.129
#102.222.156.151 129.134.26.123 2 u 772 1024 377 23.329 -0.591 0.259
+102.222.103.99 80.72.67.48 3 u 961 1024 377 7.511 0.063 0.045
-139.84.231.68 ( 196.21.187.2 2 u 735 1024 377 22.758 -0.177 0.188
-ntp8.inx.net.za 183.3.52.101 2 u 57 1024 377 16.962 -0.109 0.059
Tue Jul 7 16:48:04 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (6234GB)
200GB available in /atlas/red...OK (9184GB)
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 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 4.6T 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 15% /
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
Tue Jul 7 16:48:04 SAST 2026 [elapsed=7 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
Tue Jul 7 16:48:04 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Tue Jul 7 16:48:04 SAST 2026 [elapsed=7 sec] SERVICES2
Tue Jul 7 16:48:04 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Jul 7 16:48:09 SAST 2026 [elapsed=12 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= 930kB time=00:00:29.76 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
Tue Jul 7 16:51:27 SAST 2026 [elapsed=210 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: 167.32 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Tue Jul 7 16:52:58 SAST 2026 [elapsed=301 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Jul 7 16:53:18 SAST 2026 [elapsed=321 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.3 IDLE
Tue Jul 7 16:53:18 SAST 2026 [elapsed=321 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 (-54.3C)
Checking CCD plane: Z0=+1722.00 DZDX=-875.00 DZDY=+2671.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Jul 7 16:53:18 SAST 2026 [elapsed=321 sec] WEATHER
status weather: clear 15.1C 36% 12/21kph@351 DP13.6C/-45C/d IDLE
...OK
Tue Jul 7 16:53:19 SAST 2026 [elapsed=322 sec] MET
status...OK
met: c=N o=Y Ro8d Co4d Wo8d Ho4d To19d Do4d IDLE
Tue Jul 7 16:53:19 SAST 2026 [elapsed=322 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Jul 7 16:53:19 SAST 2026 [elapsed=322 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 196.23 -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 -1 -0.0mm 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 109 1.2%
A 0.081s 392 4.3%
A 0.111s 732 8.0%
A 0.142s 1190 13.0%
A 0.172s 1781 19.5%
A 0.202s 2489 27.2%
A 0.233s 3261 35.6%
A 0.263s 4195 45.8%
A 0.293s 5145 56.2%
A 0.324s 6018 65.7%
A 0.354s 6803 74.3%
A 0.384s 7459 81.5%
A 0.414s 8016 87.6%
A 0.445s 8477 92.6%
A 0.475s 8802 96.2%
A 0.505s 9027 98.6%
A 0.535s 9153 100.0%
B 0.020s 0 0.0%
B 0.050s 97 1.1%
B 0.081s 384 4.2%
B 0.111s 726 7.9%
B 0.141s 1198 13.1%
B 0.172s 1776 19.4%
B 0.202s 2465 26.9%
B 0.232s 3259 35.6%
B 0.262s 4167 45.5%
B 0.293s 5103 55.7%
B 0.323s 5992 65.5%
B 0.353s 6775 74.0%
B 0.383s 7436 81.2%
B 0.413s 8009 87.5%
B 0.444s 8456 92.4%
B 0.474s 8797 96.1%
B 0.504s 9028 98.6%
B 0.534s 9144 99.9%
B 0.565s 9161 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9065 99.0%
A 0.081s 8772 95.8%
A 0.111s 8414 91.9%
A 0.141s 7969 87.1%
A 0.172s 7374 80.6%
A 0.202s 6692 73.1%
A 0.232s 5897 64.4%
A 0.262s 4983 54.4%
A 0.293s 4042 44.2%
A 0.323s 3167 34.6%
A 0.353s 2378 26.0%
A 0.383s 1708 18.7%
A 0.414s 1149 12.6%
A 0.444s 698 7.6%
A 0.474s 353 3.9%
A 0.504s 130 1.4%
A 0.535s 13 0.1%
A 0.565s -7 0.0%
B 0.020s 9145 99.9%
B 0.050s 9034 98.7%
B 0.081s 8773 95.8%
B 0.111s 8423 92.0%
B 0.141s 7957 86.9%
B 0.172s 7380 80.6%
B 0.202s 6692 73.1%
B 0.232s 5897 64.4%
B 0.263s 4984 54.4%
B 0.293s 4051 44.3%
B 0.323s 3164 34.6%
B 0.353s 2383 26.0%
B 0.384s 1714 18.7%
B 0.414s 1141 12.5%
B 0.444s 697 7.6%
B 0.474s 357 3.9%
B 0.505s 128 1.4%
B 0.535s 13 0.1%
B 0.565s -4 0.0%
A 1 0.0mm 15 N F R | B -4 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.535 seconds.
Shutter B opened to 100.0 percent in 0.565 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=1.01e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9194 IDLE
Tue Jul 7 16:53:56 SAST 2026 [elapsed=359 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.3 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Jul 7 16:54 /atlas/obs/03a/61229/03a61229e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Jul 7 16:54:18 SAST 2026 [elapsed=381 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (29 seconds old)
OTA humidity level...OK (15%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Jul 7 16:54:18 SAST 2026 [elapsed=381 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61228.62105410|info|galildriver|using focus model: foc=9187+(4.30)*17.3+(-0.40)*60.2=9237.3
61228.62105946|info|galildriver|o 2 IN | cass: 3044494 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53998291 9195 um b=8f M [focus]
61228.62106518|info|galildriver|o 2 IN | cass: 3044487 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53998299 9195 um b=8f M [focus]
61228.62106857|info|galildriver|o 2 IN | cass: 3044501 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53998280 9195 um b=8f M [focus]
61228.62107673|info|galildriver|o 2 IN | cass: 3044489 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53998291 9195 um b=0f [cmd]
bestfocus for o...OK
Tue Jul 7 16:54:21 SAST 2026 [elapsed=384 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Jul 7 16:54:47 SAST 2026 [elapsed=410 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
Tue Jul 7 16:54:49 SAST 2026 [elapsed=412 sec] NOTICES: det_dzdx=-875 is outside range +-250 from -558; det_dzdy=2671 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Tue Jul 7 16:54:49 SAST 2026 [elapsed=412 sec] Happy observing!
Tue Jul 7 16:54:49 SAST 2026 [elapsed=412 sec] Preflight took 412 seconds to complete.
Tue Jul 7 16:54:49 SAST 2026 [elapsed=412 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 385 4.2% A 0.111s 737 8.1% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.292s 5103 55.7% A 0.322s 5998 65.5% A 0.353s 6774 74.0% A 0.383s 7433 81.2% A 0.413s 8007 87.5% A 0.444s 8457 92.4% A 0.474s 8792 96.0% A 0.504s 9028 98.6% A 0.534s 9135 99.8% A 0.564s 9152 100.0% B 0.020s 2 0.0% B 0.050s 114 1.2% B 0.081s 379 4.1% B 0.111s 728 8.0% B 0.141s 1185 12.9% B 0.171s 1753 19.2% B 0.201s 2441 26.7% B 0.232s 3242 35.4% B 0.262s 4138 45.2% B 0.292s 5074 55.4% B 0.322s 5961 65.1% B 0.352s 6746 73.7% B 0.383s 7421 81.1% B 0.413s 7986 87.2% B 0.443s 8443 92.2% B 0.473s 8787 96.0% B 0.503s 9011 98.4% B 0.534s 9137 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9149 99.9% A 0.051s 9039 98.7% A 0.081s 8763 95.7% A 0.111s 8406 91.8% A 0.141s 7938 86.7% A 0.172s 7356 80.4% A 0.202s 6665 72.8% A 0.232s 5892 64.4% A 0.262s 4948 54.1% A 0.293s 4036 44.1% A 0.323s 3163 34.6% A 0.353s 2384 26.0% A 0.383s 1712 18.7% A 0.414s 1146 12.5% A 0.444s 693 7.6% A 0.474s 358 3.9% A 0.504s 124 1.4% A 0.534s 13 0.1% A 0.565s 2 0.0% B 0.020s 9142 99.9% B 0.050s 9018 98.5% B 0.081s 8770 95.8% B 0.111s 8420 92.0% B 0.141s 7953 86.9% B 0.171s 7376 80.6% B 0.201s 6688 73.1% B 0.231s 5892 64.4% B 0.262s 4981 54.4% B 0.292s 4053 44.3% B 0.322s 3160 34.5% B 0.353s 2394 26.2% B 0.383s 1703 18.6% B 0.413s 1146 12.5% 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 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R