STH Recent Preflight: 61255
Executing preflight for 61255 at Sun Aug 2 17:03:25 SAST 2026.
Log can be found in /atlas/obs/03/61255/preflight.dat.
Setting donefile '/atlas/obs/03/61255/preflight_complete.20260802150325.4595' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260802150325.4595.
Sun Aug 2 17:03:25 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Aug 2 17:03:25 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [74851873-70dc-4059-81a8-f33dba9f074a;1800]
Sun Aug 2 17:03:25 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 Aug 2 17:03:28 SAST 2026 [elapsed=3 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Aug 2 17:03:28 SAST 2026 [elapsed=3 sec] auxcam is disabled.
Sun Aug 2 17:03:28 SAST 2026 [elapsed=3 sec] Skipping auxcam.
error: unknown module: vent
Sun Aug 2 17:03:28 SAST 2026 [elapsed=3 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1785683008
OK
Sun Aug 2 17:03:28 SAST 2026 [elapsed=3 sec] OPSEC
AUTO mode: ...OK
Sun Aug 2 17:03:28 SAST 2026 [elapsed=3 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 Aug 2 17:03:31 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 Aug 2 17:03:32 SAST 2026 [elapsed=7 sec] QUEUE
0 observations queued.
Sun Aug 2 17:03:32 SAST 2026 [elapsed=7 sec] CLOCKS
admin: Sun Aug 2 15:03:32 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 705 1024 377 0.985 -0.099 0.555
*metbox2.sth.atl .PPS. 1 u 583 1024 377 0.312 -0.103 0.047
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-146.64.24.58 183.3.52.101 2 u 210 1024 377 23.272 0.046 0.093
-ntp.as3741.net 146.64.58.41 2 u 713 1024 377 22.804 -0.169 0.225
-ntp2.as3741.net 129.134.28.123 2 u 537 1024 377 7.276 -1.315 0.380
-ntp2.inx.net.za 183.3.52.101 2 u 976 1024 377 7.241 -0.048 0.116
-ntp5.inx.net.za 196.21.187.2 2 u 835 1024 377 7.549 -0.027 0.497
#102.222.156.151 196.21.187.2 2 u 989 1024 377 23.387 -0.110 0.681
+ntp2.nog.net.za 80.72.67.48 3 u 800 1024 377 7.612 -0.032 0.067
-139.84.231.68 ( 196.21.187.2 2 u 13 1024 377 23.041 0.028 0.276
-ntp8.inx.net.za 210.182.58.253 2 u 940 1024 377 16.878 -0.094 0.121
Sun Aug 2 17:03:36 SAST 2026 [elapsed=11 sec] DISKS
200GB available in /atlas/obs...OK (5979GB)
200GB available in /atlas/red...OK (8572GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.6T 5.8T 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 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 5.2T 8.2T 39% /
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 Aug 2 17:03:37 SAST 2026 [elapsed=12 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 Aug 2 17:03:37 SAST 2026 [elapsed=12 sec] Disabling mount tracking.
Sun Aug 2 17:03:37 SAST 2026 [elapsed=12 sec] SERVICES2
Sun Aug 2 17:03:37 SAST 2026 [elapsed=12 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Aug 2 17:03:41 SAST 2026 [elapsed=16 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= 932kB time=00:00:29.82 bitrate= 256.0kbits/s speed=1.43e+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 Aug 2 17:07:00 SAST 2026 [elapsed=215 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: 196.84 -29.49, az/alt=324.73 +86.49 idle(e) IDLE
Sun Aug 2 17:08:31 SAST 2026 [elapsed=306 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Aug 2 17:08:51 SAST 2026 [elapsed=326 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=1052/0 spi=39.0 IDLE
Sun Aug 2 17:08:51 SAST 2026 [elapsed=326 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 (-54.2C)
Checking CCD plane: Z0=+1731.00 DZDX=-870.00 DZDY=+2911.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=1052 IDLE
Sun Aug 2 17:08:51 SAST 2026 [elapsed=326 sec] WEATHER
status weather: clear 17.0C 29% 10/11kph@15 DP16.9C/-36C/d IDLE
...OK
Sun Aug 2 17:08:52 SAST 2026 [elapsed=327 sec] MET
status...OK
met: c=N o=Y Ro3d Co3d Wo13d Ho2d To45d Do10d IDLE
Sun Aug 2 17:08:52 SAST 2026 [elapsed=327 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Aug 2 17:08:52 SAST 2026 [elapsed=327 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 225.76 -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 7 0.1%
A 0.051s 109 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 0.203s 2465 26.9%
A 0.233s 3261 35.6%
A 0.263s 4163 45.5%
A 0.293s 5115 55.9%
A 0.324s 5991 65.4%
A 0.354s 6779 74.1%
A 0.384s 7441 81.3%
A 0.415s 8000 87.4%
A 0.445s 8465 92.5%
A 0.475s 8792 96.0%
A 0.505s 9021 98.5%
A 0.536s 9152 100.0%
B 0.020s 1 0.0%
B 0.051s 96 1.0%
B 0.081s 384 4.2%
B 0.111s 726 7.9%
B 0.141s 1197 13.1%
B 0.172s 1776 19.4%
B 0.202s 2466 26.9%
B 0.232s 3259 35.6%
B 0.262s 4166 45.5%
B 0.292s 5103 55.7%
B 0.323s 5992 65.5%
B 0.353s 6775 74.0%
B 0.383s 7435 81.2%
B 0.413s 8009 87.5%
B 0.444s 8455 92.4%
B 0.474s 8796 96.1%
B 0.505s 9028 98.6%
B 0.535s 9144 99.9%
B 0.565s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9064 99.0%
A 0.081s 8773 95.8%
A 0.111s 8413 91.9%
A 0.141s 7969 87.1%
A 0.172s 7374 80.6%
A 0.202s 6690 73.1%
A 0.232s 5898 64.4%
A 0.262s 4983 54.4%
A 0.293s 4041 44.1%
A 0.323s 3167 34.6%
A 0.353s 2376 26.0%
A 0.383s 1707 18.6%
A 0.414s 1150 12.6%
A 0.444s 698 7.6%
A 0.474s 353 3.9%
A 0.505s 131 1.4%
A 0.535s 14 0.2%
A 0.565s -8 0.0%
B 0.020s 9145 99.9%
B 0.050s 9033 98.7%
B 0.081s 8772 95.8%
B 0.111s 8423 92.0%
B 0.141s 7957 86.9%
B 0.171s 7380 80.6%
B 0.202s 6693 73.1%
B 0.232s 5897 64.4%
B 0.262s 4984 54.4%
B 0.293s 4050 44.2%
B 0.323s 3165 34.6%
B 0.353s 2383 26.0%
B 0.383s 1712 18.7%
B 0.414s 1140 12.5%
B 0.444s 697 7.6%
B 0.474s 356 3.9%
B 0.504s 129 1.4%
B 0.535s 13 0.1%
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 100.0 percent in 0.536 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=1e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9175 IDLE
Sun Aug 2 17:09:30 SAST 2026 [elapsed=365 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=1052/0 spi=39.0 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Aug 2 17:09 /atlas/obs/03a/61255/03a61255e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Aug 2 17:09:52 SAST 2026 [elapsed=387 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (63 seconds old)
OTA humidity level...OK (15%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Aug 2 17:09:52 SAST 2026 [elapsed=387 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61254.63186542|info|galildriver|using focus model: foc=9187+(4.30)*18.0+(-0.40)*60.2=9240.3
61254.63187079|info|galildriver|o 2 IN | cass: 3041080 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53994415 9175 um b=8f M [focus]
61254.63187650|info|galildriver|o 2 IN | cass: 3041078 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53994430 9175 um b=8f M [focus]
61254.63187989|info|galildriver|o 2 IN | cass: 3041088 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53994405 9175 um b=8f M [focus]
61254.63188805|info|galildriver|o 2 IN | cass: 3041077 15.21 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53994427 9175 um b=0f [cmd]
bestfocus for o...OK
Sun Aug 2 17:09:56 SAST 2026 [elapsed=391 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Aug 2 17:10:21 SAST 2026 [elapsed=416 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 Aug 2 17:10:22 SAST 2026 [elapsed=417 sec] NOTICES: det_dzdx=-870 is outside range +-250 from -558; det_dzdy=2911 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 Aug 2 17:10:22 SAST 2026 [elapsed=417 sec] Happy observing!
Sun Aug 2 17:10:22 SAST 2026 [elapsed=417 sec] Preflight took 417 seconds to complete.
Sun Aug 2 17:10:22 SAST 2026 [elapsed=417 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 114 1.2% A 0.081s 386 4.2% A 0.111s 736 8.0% A 0.141s 1198 13.1% A 0.171s 1782 19.5% A 0.202s 2465 26.9% A 0.232s 3267 35.7% A 0.262s 4174 45.6% A 0.292s 5103 55.7% A 0.323s 5998 65.5% A 0.353s 6774 74.0% A 0.383s 7433 81.2% A 0.413s 8006 87.5% A 0.443s 8457 92.4% A 0.474s 8783 95.9% A 0.504s 9028 98.6% A 0.534s 9137 99.8% A 0.565s 9153 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 378 4.1% B 0.111s 728 8.0% B 0.141s 1200 13.1% B 0.171s 1774 19.4% B 0.202s 2465 26.9% B 0.232s 3270 35.7% B 0.262s 4168 45.5% B 0.292s 5103 55.7% B 0.323s 5987 65.4% B 0.353s 6771 74.0% B 0.383s 7442 81.3% B 0.413s 8002 87.4% B 0.444s 8455 92.4% B 0.474s 8796 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9051 98.9% A 0.081s 8780 95.9% A 0.111s 8423 92.0% A 0.141s 7960 87.0% A 0.171s 7382 80.6% A 0.202s 6694 73.1% A 0.232s 5896 64.4% A 0.262s 5015 54.8% A 0.293s 4041 44.1% A 0.323s 3168 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.414s 1147 12.5% A 0.444s 706 7.7% A 0.474s 360 3.9% A 0.505s 126 1.4% A 0.535s 14 0.2% A 0.566s 3 0.0% B 0.020s 9141 99.9% B 0.051s 9012 98.4% B 0.081s 8760 95.7% B 0.111s 8408 91.9% B 0.142s 7936 86.7% B 0.172s 7357 80.4% B 0.203s 6640 72.5% B 0.233s 5834 63.7% B 0.264s 4918 53.7% B 0.294s 3992 43.6% B 0.324s 3109 34.0% B 0.355s 2345 25.6% B 0.385s 1641 17.9% B 0.416s 1100 12.0% B 0.446s 662 7.2% B 0.477s 328 3.6% B 0.508s 112 1.2% B 0.538s 8 0.1% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R