STH Recent Preflight: 61233
Executing preflight for 61233 at Sat Jul 11 16:49:57 SAST 2026.
Log can be found in /atlas/obs/03/61233/preflight.dat.
Setting donefile '/atlas/obs/03/61233/preflight_complete.20260711144957.2231' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260711144957.2231.
Sat Jul 11 16:49:57 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Jul 11 16:49:58 SAST 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [55d27985-8440-499c-ba86-3ee27c6f2033;1800]
Sat Jul 11 16:49:58 SAST 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat Jul 11 16:49:59 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Jul 11 16:49:59 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Sat Jul 11 16:49:59 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Sat Jul 11 16:49:59 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1783781397
OK
Sat Jul 11 16:49:59 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Sat Jul 11 16:49:59 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
Sat Jul 11 16:50:00 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
Sat Jul 11 16:50:01 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Sat Jul 11 16:50:01 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Sat Jul 11 14:50:01 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 986 1024 377 1.043 -0.013 0.082
+metbox2.sth.atl .PPS. 1 u 822 1024 377 0.335 -0.025 0.045
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-146.64.24.58 155.232.19.7 2 u 828 1024 377 23.400 -0.156 0.183
-ntp.as3741.net 210.182.58.253 2 u 850 1024 377 22.870 -0.102 0.267
-ntp2.as3741.net 155.232.19.7 2 u 584 1024 377 7.370 -0.112 0.101
-ntp2.inx.net.za 210.182.58.253 2 u 751 1024 377 7.345 -0.026 0.130
-ntp5.inx.net.za 183.3.52.101 2 u 539 1024 377 7.545 -0.139 0.151
-102.222.156.151 196.21.187.2 2 u 1953 1024 376 23.379 -0.123 0.177
-ntp2.nog.net.za 80.72.67.48 3 u 461 1024 377 7.619 -0.062 0.099
+139.84.231.68 ( 196.21.187.2 2 u 1064 1024 377 22.733 -0.006 0.074
#ntp8.inx.net.za 102.176.229.251 2 u 948 1024 377 16.918 0.603 0.277
Sat Jul 11 16:50:03 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (5957GB)
200GB available in /atlas/red...OK (8972GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.6T 5.7T 45% /
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 4.8T 8.6T 36% /
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
Sat Jul 11 16:50:04 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
Sat Jul 11 16:50:04 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Sat Jul 11 16:50:04 SAST 2026 [elapsed=7 sec] SERVICES2
Sat Jul 11 16:50:04 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Jul 11 16:50:08 SAST 2026 [elapsed=11 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= 918kB time=00:00:29.37 bitrate= 256.0kbits/s speed=1.5e+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
Sat Jul 11 16:53:23 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: 171.69 -29.49, az/alt=322.31 +86.38 slewing(e) IDLE
Sat Jul 11 16:55:39 SAST 2026 [elapsed=342 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Jul 11 16:55:59 SAST 2026 [elapsed=362 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=41.7 IDLE
Sat Jul 11 16:55:59 SAST 2026 [elapsed=362 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 (-54.9C)
Checking CCD plane: Z0=+1682.00 DZDX=-881.00 DZDY=+1742.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Jul 11 16:55:59 SAST 2026 [elapsed=362 sec] WEATHER
status weather: clear H 5.3C 82% 14/15kph@147 DP0.4C/-94C/d IDLE
...OK
Sat Jul 11 16:56:00 SAST 2026 [elapsed=363 sec] MET
status...OK
met: c=N o=Y Ro12d Co6h Wo12d Ho4h To23d Do1d IDLE
Sat Jul 11 16:56:00 SAST 2026 [elapsed=363 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Jul 11 16:56:00 SAST 2026 [elapsed=363 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 200.85 -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 8 0.1%
A 0.051s 100 1.1%
A 0.081s 390 4.3%
A 0.111s 733 8.0%
A 0.142s 1189 13.0%
A 0.172s 1781 19.5%
A 0.202s 2466 26.9%
A 0.232s 3259 35.6%
A 0.263s 4164 45.5%
A 0.293s 5116 55.9%
A 0.323s 5990 65.4%
A 0.354s 6780 74.1%
A 0.384s 7439 81.3%
A 0.414s 8000 87.4%
A 0.445s 8467 92.5%
A 0.475s 8792 96.0%
A 0.505s 9021 98.5%
A 0.535s 9153 100.0%
B 0.020s 0 0.0%
B 0.050s 90 1.0%
B 0.081s 371 4.1%
B 0.111s 713 7.8%
B 0.141s 1179 12.9%
B 0.172s 1776 19.4%
B 0.202s 2465 26.9%
B 0.232s 3257 35.6%
B 0.263s 4166 45.5%
B 0.293s 5102 55.7%
B 0.323s 5992 65.5%
B 0.353s 6774 74.0%
B 0.384s 7436 81.2%
B 0.414s 8010 87.5%
B 0.444s 8457 92.4%
B 0.474s 8799 96.1%
B 0.505s 9030 98.6%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.050s 9059 99.0%
A 0.081s 8763 95.7%
A 0.111s 8403 91.8%
A 0.141s 7951 86.9%
A 0.171s 7354 80.3%
A 0.202s 6668 72.8%
A 0.232s 5869 64.1%
A 0.262s 4952 54.1%
A 0.292s 4014 43.8%
A 0.323s 3138 34.3%
A 0.353s 2378 26.0%
A 0.383s 1707 18.6%
A 0.413s 1146 12.5%
A 0.444s 699 7.6%
A 0.474s 354 3.9%
A 0.504s 128 1.4%
A 0.534s 12 0.1%
A 0.565s -7 0.0%
B 0.020s 9144 99.9%
B 0.050s 9027 98.6%
B 0.081s 8765 95.8%
B 0.111s 8412 91.9%
B 0.141s 7942 86.8%
B 0.172s 7360 80.4%
B 0.202s 6671 72.9%
B 0.232s 5869 64.1%
B 0.262s 4954 54.1%
B 0.293s 4022 43.9%
B 0.323s 3135 34.2%
B 0.353s 2360 25.8%
B 0.383s 1692 18.5%
B 0.414s 1123 12.3%
B 0.444s 684 7.5%
B 0.474s 345 3.8%
B 0.505s 121 1.3%
B 0.535s 9 0.1%
A 1 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 0.535 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 0.1 percent in 0.535 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=9217 IDLE
Sat Jul 11 16:56:37 SAST 2026 [elapsed=400 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=41.7 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Jul 11 16:56 /atlas/obs/03a/61233/03a61233e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Jul 11 16:57:00 SAST 2026 [elapsed=423 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (11 seconds old)
OTA humidity level...OK (18%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Jul 11 16:57:00 SAST 2026 [elapsed=423 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61232.62292086|info|galildriver|using focus model: foc=9187+(4.30)*12.9+(-0.40)*60.2=9218.4
61232.62292562|info|galildriver|o 2 IN | cass: 3046937 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54002948 9218 um b=0f [cmd]
bestfocus for o...OK
Sat Jul 11 16:57:01 SAST 2026 [elapsed=424 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Jul 11 16:57:27 SAST 2026 [elapsed=450 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
Sat Jul 11 16:57:29 SAST 2026 [elapsed=452 sec] NOTICES: det_dzdx=-881 is outside range +-250 from -558; det_dzdy=1742 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sat Jul 11 16:57:29 SAST 2026 [elapsed=452 sec] Happy observing!
Sat Jul 11 16:57:29 SAST 2026 [elapsed=452 sec] Preflight took 452 seconds to complete.
Sat Jul 11 16:57:29 SAST 2026 [elapsed=452 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 0.021s 3 0.0% A 0.051s 116 1.3% A 0.081s 385 4.2% A 0.111s 736 8.0% A 0.142s 1198 13.1% A 0.172s 1762 19.2% A 0.202s 2466 26.9% A 0.232s 3238 35.4% A 0.263s 4144 45.3% A 0.293s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7413 81.0% A 0.413s 7987 87.3% A 0.444s 8444 92.2% A 0.474s 8783 95.9% A 0.504s 9021 98.5% A 0.534s 9136 99.8% A 0.565s 9153 100.0% B 0.020s 2 0.0% B 0.050s 120 1.3% B 0.081s 390 4.3% B 0.111s 741 8.1% B 0.141s 1202 13.1% B 0.171s 1772 19.4% B 0.201s 2467 26.9% B 0.232s 3270 35.7% B 0.262s 4168 45.5% B 0.292s 5102 55.7% B 0.322s 5987 65.4% B 0.353s 6772 74.0% B 0.383s 7440 81.3% B 0.413s 8002 87.4% B 0.443s 8456 92.4% B 0.474s 8794 96.1% B 0.504s 9022 98.6% 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 9050 98.9% A 0.081s 8776 95.9% A 0.111s 8420 92.0% A 0.141s 7958 86.9% A 0.172s 7380 80.6% A 0.202s 6691 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.293s 4039 44.1% A 0.323s 3165 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.414s 1147 12.5% A 0.444s 695 7.6% A 0.474s 358 3.9% A 0.504s 126 1.4% A 0.535s 14 0.2% A 0.565s 2 0.0% B 0.020s 9145 99.9% B 0.051s 9020 98.5% B 0.081s 8773 95.8% B 0.111s 8424 92.0% B 0.142s 7955 86.9% B 0.172s 7381 80.6% B 0.202s 6691 73.1% B 0.232s 5893 64.4% B 0.263s 4982 54.4% B 0.293s 4056 44.3% B 0.323s 3166 34.6% B 0.353s 2392 26.1% B 0.384s 1703 18.6% B 0.414s 1149 12.6% B 0.444s 701 7.7% B 0.474s 357 3.9% B 0.505s 133 1.5% B 0.535s 16 0.2% B 0.565s 2 0.0% A 0 0.0mm 15 N F R | B 2 0.1mm 15 N F R