STH Recent Preflight: 61248
Executing preflight for 61248 at Sun Jul 26 16:58:55 SAST 2026.
Log can be found in /atlas/obs/03/61248/preflight.dat.
Setting donefile '/atlas/obs/03/61248/preflight_complete.20260726145855.4595' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260726145855.4595.
Sun Jul 26 16:58:55 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Jul 26 16:58:55 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [ea2a3796-5791-4548-b8a9-c0752e9ff886;1800]
Sun Jul 26 16:58:55 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 3 ON redLED
Sun Jul 26 16:58:56 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Jul 26 16:58:56 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sun Jul 26 16:58:56 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Jul 26 16:58:56 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1785077935
OK
Sun Jul 26 16:58:56 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Jul 26 16:58:56 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
Sun Jul 26 16:58:57 SAST 2026 [elapsed=2 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 26 16:58:58 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Jul 26 16:58:58 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sun Jul 26 14:58:58 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 92 1024 377 0.933 0.027 0.054
+metbox2.sth.atl .PPS. 1 u 350 1024 377 0.286 0.029 0.069
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 197 1024 377 23.266 -0.069 0.489
-ntp.as3741.net 146.64.58.41 2 u 908 1024 377 22.909 -0.234 0.594
-ntp2.as3741.net 129.134.28.123 2 u 347 1024 377 7.289 -0.337 0.285
+ntp2.inx.net.za 183.3.52.101 2 u 284 1024 377 7.266 0.042 0.384
+ntp5.inx.net.za 210.182.58.253 2 u 250 1024 377 7.535 0.056 0.028
#102.222.156.151 196.21.187.2 2 u 769 1024 377 24.674 0.093 0.333
-ntp2.nog.net.za 80.72.67.48 3 u 111 1024 377 7.492 0.131 0.110
+139.84.231.68 ( 196.21.187.2 2 u 347 1024 377 22.845 0.021 0.400
-ntp8.inx.net.za 210.182.58.253 2 u 332 1024 377 16.921 0.153 0.519
Sun Jul 26 16:59:10 SAST 2026 [elapsed=15 sec] DISKS
200GB available in /atlas/obs...OK (5691GB)
200GB available in /atlas/red...OK (8924GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.8T 5.5T 47% /
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 4.9T 8.6T 37% /
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
Sun Jul 26 16:59:10 SAST 2026 [elapsed=15 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 26 16:59:10 SAST 2026 [elapsed=15 sec] Disabling mount tracking.
Sun Jul 26 16:59:10 SAST 2026 [elapsed=15 sec] SERVICES2
Sun Jul 26 16:59:10 SAST 2026 [elapsed=15 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Jul 26 16:59:14 SAST 2026 [elapsed=19 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= 910kB time=00:00:29.12 bitrate= 256.0kbits/s speed=1.46e+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 26 17:01:46 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: 188.47 -29.49, az/alt=324.82 +86.49 idle(e) IDLE
Sun Jul 26 17:02:37 SAST 2026 [elapsed=222 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Jul 26 17:02:56 SAST 2026 [elapsed=241 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.6 IDLE
Sun Jul 26 17:02:56 SAST 2026 [elapsed=241 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (6 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.5C)
Checking CCD plane: Z0=+1725.00 DZDX=-889.00 DZDY=+2739.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Jul 26 17:02:56 SAST 2026 [elapsed=241 sec] WEATHER
status weather: clear 16.0C 27% 27/31kph@30 DP17.7C/-56C/d IDLE
...OK
Sun Jul 26 17:02:56 SAST 2026 [elapsed=241 sec] MET
status...OK
met: c=N o=Y Ro27d Co2d Wo6d Ho2d To38d Do3d IDLE
Sun Jul 26 17:02:56 SAST 2026 [elapsed=241 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Jul 26 17:03:04 SAST 2026 [elapsed=249 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 217.38 -14.64, 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 8 0.1%
A 0.051s 108 1.2%
A 0.081s 392 4.3%
A 0.111s 733 8.0%
A 0.142s 1190 13.0%
A 0.172s 1782 19.5%
A 0.202s 2465 26.9%
A 0.232s 3260 35.6%
A 0.263s 4164 45.5%
A 0.293s 5114 55.9%
A 0.323s 5990 65.4%
A 0.354s 6779 74.1%
A 0.384s 7440 81.3%
A 0.414s 8000 87.4%
A 0.445s 8465 92.5%
A 0.475s 8801 96.1%
A 0.505s 9027 98.6%
A 0.536s 9153 100.0%
B 0.020s 1 0.0%
B 0.051s 97 1.1%
B 0.081s 383 4.2%
B 0.111s 727 7.9%
B 0.141s 1198 13.1%
B 0.172s 1776 19.4%
B 0.202s 2466 26.9%
B 0.232s 3258 35.6%
B 0.263s 4166 45.5%
B 0.293s 5102 55.7%
B 0.323s 6021 65.8%
B 0.354s 6796 74.2%
B 0.384s 7456 81.5%
B 0.414s 8009 87.5%
B 0.444s 8456 92.4%
B 0.475s 8798 96.1%
B 0.505s 9027 98.6%
B 0.535s 9145 99.9%
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 8414 91.9%
A 0.141s 7970 87.1%
A 0.172s 7373 80.5%
A 0.202s 6691 73.1%
A 0.232s 5897 64.4%
A 0.263s 4982 54.4%
A 0.293s 4044 44.2%
A 0.323s 3167 34.6%
A 0.353s 2376 26.0%
A 0.384s 1708 18.7%
A 0.414s 1148 12.5%
A 0.444s 698 7.6%
A 0.475s 354 3.9%
A 0.505s 130 1.4%
A 0.535s 13 0.1%
A 0.565s -6 0.0%
B 0.020s 9144 99.9%
B 0.050s 9025 98.6%
B 0.081s 8763 95.7%
B 0.111s 8410 91.9%
B 0.141s 7941 86.7%
B 0.172s 7360 80.4%
B 0.202s 6670 72.9%
B 0.232s 5869 64.1%
B 0.262s 4954 54.1%
B 0.293s 4021 43.9%
B 0.323s 3136 34.3%
B 0.353s 2360 25.8%
B 0.384s 1693 18.5%
B 0.414s 1124 12.3%
B 0.444s 684 7.5%
B 0.474s 346 3.8%
B 0.505s 123 1.3%
B 0.535s 10 0.1%
B 0.565s -6 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 0.536 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 0.0 percent in 0.565 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed= 983x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9300 IDLE
Sun Jul 26 17:03:42 SAST 2026 [elapsed=287 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.6 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Jul 26 17:03 /atlas/obs/03a/61248/03a61248e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Jul 26 17:04:04 SAST 2026 [elapsed=309 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (75 seconds old)
OTA humidity level...OK (17%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Jul 26 17:04:04 SAST 2026 [elapsed=309 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61247.62783856|info|galildriver|using focus model: foc=9187+(4.30)*17.0+(-0.40)*60.2=9236.0
61247.62784393|info|galildriver|o 2 IN | cass: 3042676 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54017533 9291 um b=8f M [focus]
61247.62785301|info|galildriver|o 2 IN | cass: 3042671 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54012227 9264 um b=8f M [focus]
61247.62786629|info|galildriver|o 2 IN | cass: 3042676 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006701 9237 um b=0f [cmd]
bestfocus for o...OK
Sun Jul 26 17:04:08 SAST 2026 [elapsed=313 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Jul 26 17:04:34 SAST 2026 [elapsed=339 sec] Disabling mount tracking.
Waiting on the mount ... done.
Turning tracking off ... done.
Waiting on the mount ... done.
Recheck mount status ... done.
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 3 OFF redLED
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 2 OFF whiteLED
Sun Jul 26 17:04:35 SAST 2026 [elapsed=340 sec] NOTICES: det_dzdx=-889 is outside range +-250 from -558; det_dzdy=2739 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 26 17:04:35 SAST 2026 [elapsed=340 sec] Happy observing!
Sun Jul 26 17:04:35 SAST 2026 [elapsed=340 sec] Preflight took 340 seconds to complete.
Sun Jul 26 17:04:35 SAST 2026 [elapsed=340 sec] STARTING CLEANUP
Turning off LEDs
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 3 OFF redLED
Your umask of 0022 prevents creating of group-writeable files, so
logging is disabled. Change your .bashrc umask to 0002.
doorpsw 2 OFF whiteLED
Releasing TCS lock [preflight]
OK TCS lock released by preflight-STH
Preflight image
Shutter acutation data:
A 0.020s 2 0.0% A 0.051s 113 1.2% A 0.081s 386 4.2% A 0.111s 736 8.0% A 0.141s 1180 12.9% A 0.172s 1762 19.2% A 0.202s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4144 45.3% A 0.292s 5074 55.4% A 0.323s 5969 65.2% A 0.353s 6753 73.8% A 0.383s 7413 81.0% A 0.413s 7989 87.3% A 0.444s 8446 92.3% A 0.474s 8782 95.9% A 0.504s 9022 98.6% A 0.534s 9136 99.8% A 0.564s 9152 100.0% B 0.020s 2 0.0% B 0.050s 118 1.3% B 0.081s 389 4.2% B 0.111s 741 8.1% B 0.141s 1218 13.3% B 0.171s 1795 19.6% B 0.202s 2492 27.2% B 0.232s 3297 36.0% B 0.262s 4198 45.9% B 0.293s 5132 56.1% B 0.323s 6017 65.7% B 0.353s 6795 74.2% B 0.383s 7460 81.5% B 0.414s 8017 87.6% B 0.444s 8468 92.5% B 0.474s 8805 96.2% B 0.504s 9028 98.6% B 0.534s 9141 99.9% 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 8779 95.9% A 0.111s 8423 92.0% A 0.141s 7960 87.0% A 0.171s 7383 80.7% A 0.201s 6694 73.1% A 0.232s 5895 64.4% A 0.262s 4984 54.4% A 0.292s 4040 44.1% A 0.322s 3168 34.6% A 0.352s 2388 26.1% A 0.383s 1711 18.7% A 0.413s 1147 12.5% A 0.443s 694 7.6% A 0.473s 359 3.9% A 0.503s 126 1.4% A 0.534s 16 0.2% A 0.564s 2 0.0% B 0.020s 9142 99.9% B 0.051s 9018 98.5% B 0.081s 8769 95.8% B 0.111s 8421 92.0% B 0.141s 7951 86.9% B 0.172s 7377 80.6% B 0.202s 6690 73.1% B 0.232s 5893 64.4% B 0.263s 4978 54.4% B 0.293s 4053 44.3% B 0.323s 3162 34.5% B 0.353s 2394 26.2% B 0.384s 1703 18.6% B 0.414s 1146 12.5% B 0.444s 700 7.6% B 0.474s 354 3.9% B 0.505s 132 1.4% B 0.535s 14 0.2% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R