STH Recent Preflight: 61244
Executing preflight for 61244 at Wed Jul 22 16:56:19 SAST 2026.
Log can be found in /atlas/obs/03/61244/preflight.dat.
Setting donefile '/atlas/obs/03/61244/preflight_complete.20260722145619.20850' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260722145619.20850.
Wed Jul 22 16:56:19 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Jul 22 16:56:19 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [b35b1294-4a0a-4621-965c-fe0e7b0f0db0;1800]
Wed Jul 22 16:56:19 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
Wed Jul 22 16:56:20 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Jul 22 16:56:20 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Wed Jul 22 16:56:20 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Jul 22 16:56:20 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1784732175
OK
Wed Jul 22 16:56:20 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Jul 22 16:56:20 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 Jul 22 16:56:22 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 Jul 22 16:56:23 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Wed Jul 22 16:56:23 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Wed Jul 22 14:56:23 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 856 1024 377 0.970 0.280 0.202
+metbox2.sth.atl .PPS. 1 u 613 1024 377 0.281 0.339 0.300
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 774 1024 377 23.306 1.017 0.528
+ntp.as3741.net 146.64.58.41 2 u 715 1024 377 22.956 0.069 0.516
+ntp2.as3741.net 129.134.28.123 2 u 462 1024 377 7.277 0.167 0.611
+ntp2.inx.net.za 210.182.58.253 2 u 821 1024 377 7.276 0.388 0.396
+ntp5.inx.net.za 210.182.58.253 2 u 689 1024 377 7.506 0.331 0.276
#102.222.156.151 196.21.187.2 2 u 36m 1024 364 24.682 0.839 0.436
+ntp2.nog.net.za 80.72.67.48 3 u 734 1024 377 7.419 0.378 0.304
+139.84.231.68 196.21.187.2 2 u 562 1024 377 22.784 0.390 1.150
-ntp8.inx.net.za 210.182.58.253 2 u 744 1024 377 43.326 0.315 0.494
Wed Jul 22 16:56:24 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5651GB)
200GB available in /atlas/red...OK (9046GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.9T 5.4T 48% /
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 4.8T 8.7T 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 2.0T 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
Wed Jul 22 16:56:25 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 Jul 22 16:56:25 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Wed Jul 22 16:56:25 SAST 2026 [elapsed=6 sec] SERVICES2
Wed Jul 22 16:56:26 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Jul 22 16:56:30 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= 926kB time=00:00:29.63 bitrate= 256.0kbits/s speed=1.45e+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 Jul 22 16:59:46 SAST 2026 [elapsed=207 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: 184.18 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Wed Jul 22 17:01:16 SAST 2026 [elapsed=297 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Jul 22 17:01:35 SAST 2026 [elapsed=316 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Wed Jul 22 17:01:35 SAST 2026 [elapsed=316 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 (-54.4C)
Checking CCD plane: Z0=+1720.00 DZDX=-874.00 DZDY=+2641.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Jul 22 17:01:35 SAST 2026 [elapsed=316 sec] WEATHER
status weather: clear 9.2C 63% 24/27kph@291 DP8.1C/39C/d IDLE
...OK
Wed Jul 22 17:01:36 SAST 2026 [elapsed=317 sec] MET
status...OK
met: c=N o=Y Ro23d Co5d Wo2d Ho2d To34d Do8d IDLE
Wed Jul 22 17:01:36 SAST 2026 [elapsed=317 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Jul 22 17:01:36 SAST 2026 [elapsed=317 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 213.10 -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 -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 0.050s 108 1.2%
A 0.081s 392 4.3%
A 0.111s 733 8.0%
A 0.141s 1189 13.0%
A 0.171s 1782 19.5%
A 0.202s 2467 26.9%
A 0.232s 3258 35.6%
A 0.262s 4163 45.5%
A 0.292s 5117 55.9%
A 0.323s 5990 65.4%
A 0.353s 6779 74.1%
A 0.383s 7441 81.3%
A 0.413s 8000 87.4%
A 0.443s 8464 92.5%
A 0.474s 8784 96.0%
A 0.504s 9015 98.5%
A 0.534s 9149 99.9%
B 0.020s 1 0.0%
B 0.050s 105 1.1%
B 0.081s 393 4.3%
B 0.111s 739 8.1%
B 0.141s 1214 13.3%
B 0.171s 1797 19.6%
B 0.202s 2491 27.2%
B 0.232s 3283 35.9%
B 0.262s 4196 45.8%
B 0.292s 5104 55.8%
B 0.322s 5992 65.5%
B 0.353s 6775 74.0%
B 0.383s 7435 81.2%
B 0.413s 8009 87.5%
B 0.443s 8457 92.4%
B 0.473s 8797 96.1%
B 0.504s 9028 98.6%
B 0.534s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9058 99.0%
A 0.081s 8761 95.7%
A 0.111s 8402 91.8%
A 0.141s 7952 86.9%
A 0.171s 7352 80.3%
A 0.202s 6669 72.9%
A 0.232s 5869 64.1%
A 0.262s 4953 54.1%
A 0.292s 4014 43.8%
A 0.323s 3137 34.3%
A 0.353s 2353 25.7%
A 0.383s 1689 18.5%
A 0.413s 1130 12.3%
A 0.444s 686 7.5%
A 0.474s 345 3.8%
A 0.504s 123 1.3%
A 0.535s 12 0.1%
A 0.565s -6 0.0%
B 0.020s 9146 99.9%
B 0.050s 9039 98.7%
B 0.081s 8773 95.8%
B 0.111s 8424 92.0%
B 0.141s 7958 86.9%
B 0.172s 7380 80.6%
B 0.202s 6694 73.1%
B 0.232s 5924 64.7%
B 0.262s 5014 54.8%
B 0.293s 4079 44.6%
B 0.323s 3193 34.9%
B 0.353s 2405 26.3%
B 0.383s 1733 18.9%
B 0.414s 1156 12.6%
B 0.444s 709 7.7%
B 0.474s 365 4.0%
B 0.504s 134 1.5%
B 0.535s 15 0.2%
B 0.565s -5 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 99.9 percent in 0.534 seconds.
Shutter B opened to 99.9 percent in 0.534 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=1.13e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9186 IDLE
Wed Jul 22 17:02:14 SAST 2026 [elapsed=355 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 22 17:02 /atlas/obs/03a/61244/03a61244e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Jul 22 17:02:36 SAST 2026 [elapsed=377 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (77 seconds old)
OTA humidity level...OK (17%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Jul 22 17:02:36 SAST 2026 [elapsed=377 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61243.62681635|info|galildriver|using focus model: foc=9187+(4.30)*16.4+(-0.40)*60.2=9233.4
61243.62682171|info|galildriver|o 2 IN | cass: 3043489 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53996738 9187 um b=8f M [focus]
61243.62683079|info|galildriver|o 2 IN | cass: 3043483 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54001260 9209 um b=8f M [focus]
61243.62684418|info|galildriver|o 2 IN | cass: 3043487 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006543 9236 um b=8f M [focus]
61243.62685433|info|galildriver|o 2 IN | cass: 3043490 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006581 9236 um b=0f [cmd]
bestfocus for o...OK
Wed Jul 22 17:02:41 SAST 2026 [elapsed=382 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Jul 22 17:03:07 SAST 2026 [elapsed=408 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
Wed Jul 22 17:03:08 SAST 2026 [elapsed=409 sec] NOTICES: det_dzdx=-874 is outside range +-250 from -558; det_dzdy=2641 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 Jul 22 17:03:08 SAST 2026 [elapsed=409 sec] Happy observing!
Wed Jul 22 17:03:08 SAST 2026 [elapsed=409 sec] Preflight took 409 seconds to complete.
Wed Jul 22 17:03:08 SAST 2026 [elapsed=409 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 3 0.0% A 0.051s 113 1.2% A 0.081s 387 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.202s 2465 26.9% A 0.232s 3267 35.7% A 0.262s 4175 45.6% A 0.292s 5103 55.7% A 0.322s 5998 65.5% A 0.352s 6752 73.8% A 0.383s 7414 81.0% A 0.413s 7989 87.3% A 0.443s 8444 92.2% A 0.473s 8784 96.0% A 0.503s 9021 98.5% A 0.534s 9135 99.8% A 0.564s 9153 100.0% B 0.020s 1 0.0% B 0.050s 105 1.1% B 0.080s 370 4.0% B 0.111s 715 7.8% B 0.141s 1184 12.9% B 0.171s 1752 19.1% B 0.201s 2442 26.7% B 0.232s 3242 35.4% B 0.262s 4139 45.2% B 0.292s 5072 55.4% B 0.322s 5959 65.1% B 0.353s 6749 73.7% B 0.383s 7423 81.1% B 0.413s 7986 87.2% B 0.443s 8444 92.2% B 0.474s 8786 96.0% B 0.504s 9017 98.5% B 0.534s 9137 99.8% B 0.564s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9048 98.8% A 0.081s 8777 95.9% A 0.111s 8422 92.0% A 0.141s 7958 86.9% A 0.171s 7381 80.6% A 0.201s 6691 73.1% A 0.232s 5894 64.4% A 0.262s 4982 54.4% A 0.292s 4039 44.1% A 0.322s 3166 34.6% A 0.352s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1147 12.5% A 0.443s 693 7.6% A 0.473s 368 4.0% A 0.503s 131 1.4% A 0.534s 15 0.2% A 0.564s 2 0.0% B 0.020s 9142 99.9% B 0.051s 9018 98.5% B 0.081s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.172s 7377 80.6% B 0.202s 6688 73.1% B 0.232s 5892 64.4% B 0.263s 4979 54.4% B 0.293s 4055 44.3% B 0.323s 3162 34.5% B 0.353s 2393 26.1% B 0.383s 1702 18.6% B 0.414s 1147 12.5% B 0.444s 699 7.6% B 0.474s 356 3.9% B 0.505s 131 1.4% B 0.535s 14 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R