STH Recent Preflight: 61250
Executing preflight for 61250 at Tue Jul 28 17:00:09 SAST 2026.
Log can be found in /atlas/obs/03/61250/preflight.dat.
Setting donefile '/atlas/obs/03/61250/preflight_complete.20260728150009.4595' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260728150009.4595.
Tue Jul 28 17:00:09 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Jul 28 17:00:09 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [4e2ca464-1f8e-4d88-ac02-5b26e23aa754;1800]
Tue Jul 28 17:00:09 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
Tue Jul 28 17:00:10 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Jul 28 17:00:10 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Tue Jul 28 17:00:10 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Jul 28 17:00:10 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1785250804
OK
Tue Jul 28 17:00:10 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Jul 28 17:00:10 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 28 17:00:11 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
Tue Jul 28 17:00:12 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Tue Jul 28 17:00:12 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Tue Jul 28 15:00:12 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 589 1024 377 1.002 0.080 0.143
+metbox2.sth.atl .PPS. 1 u 711 1024 377 0.315 -0.073 0.035
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 473 1024 377 23.297 0.012 0.354
-ntp.as3741.net 146.64.58.41 2 u 81 1024 377 22.775 -0.030 0.823
-ntp2.as3741.net 129.134.28.123 2 u 552 1024 377 7.292 -1.068 0.082
-ntp2.inx.net.za 183.3.52.101 2 u 682 1024 377 7.292 0.054 0.132
-ntp5.inx.net.za 210.182.58.253 2 u 524 1024 377 7.452 -0.018 0.135
#102.222.156.151 196.21.187.2 2 u 633 1024 377 24.703 0.237 0.216
+ntp2.nog.net.za 80.72.67.48 3 u 561 1024 377 7.445 0.090 0.096
-139.84.231.68 196.21.187.2 2 u 435 1024 377 22.799 -0.352 0.282
-ntp8.inx.net.za 210.182.58.253 2 u 809 1024 377 16.835 -0.293 0.106
Tue Jul 28 17:00:14 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5796GB)
200GB available in /atlas/red...OK (9027GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.7T 5.6T 46% /
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 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
Tue Jul 28 17:00:14 SAST 2026 [elapsed=5 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 28 17:00:14 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Tue Jul 28 17:00:14 SAST 2026 [elapsed=5 sec] SERVICES2
Tue Jul 28 17:00:14 SAST 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Jul 28 17:00:18 SAST 2026 [elapsed=9 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= 924kB time=00:00:29.56 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
Tue Jul 28 17:03:36 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: 190.89 -29.49, az/alt=324.73 +86.49 idle(e) IDLE
Tue Jul 28 17:04:26 SAST 2026 [elapsed=257 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Jul 28 17:04:45 SAST 2026 [elapsed=276 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Tue Jul 28 17:04:45 SAST 2026 [elapsed=276 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (1 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-55.4C)
Checking CCD plane: Z0=+1646.00 DZDX=-881.00 DZDY=+980.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Jul 28 17:04:45 SAST 2026 [elapsed=276 sec] WEATHER
status weather: C+ W H+ 3.5C 94% 36/47kph@153 DP0.8C/-0C/d IDLE
...OK
Tue Jul 28 17:04:46 SAST 2026 [elapsed=277 sec] MET
status...OK
met: c=Y o=N Ro1h Cx15h Wo8d Hx20h To40d Do5d wait CH IDLE
Tue Jul 28 17:04:47 SAST 2026 [elapsed=278 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Jul 28 17:04:47 SAST 2026 [elapsed=278 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 219.80 -14.64, 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 8 0.1%
A 0.051s 112 1.2%
A 0.081s 399 4.4%
A 0.111s 745 8.1%
A 0.142s 1206 13.2%
A 0.172s 1801 19.7%
A 0.203s 2490 27.2%
A 0.233s 3286 35.9%
A 0.263s 4194 45.8%
A 0.294s 5145 56.2%
A 0.324s 6046 66.0%
A 0.355s 6827 74.6%
A 0.385s 7476 81.7%
A 0.415s 8035 87.8%
A 0.445s 8490 92.7%
A 0.476s 8812 96.3%
A 0.506s 9035 98.7%
A 0.536s 9156 100.0%
B 0.020s 0 0.0%
B 0.051s 96 1.0%
B 0.081s 379 4.1%
B 0.111s 725 7.9%
B 0.142s 1195 13.1%
B 0.172s 1773 19.4%
B 0.203s 2466 26.9%
B 0.233s 3257 35.6%
B 0.263s 4166 45.5%
B 0.294s 5104 55.8%
B 0.324s 5992 65.5%
B 0.354s 6775 74.0%
B 0.385s 7435 81.2%
B 0.415s 8012 87.5%
B 0.445s 8469 92.5%
B 0.476s 8808 96.2%
B 0.506s 9035 98.7%
B 0.536s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9066 99.0%
A 0.081s 8765 95.8%
A 0.111s 8403 91.8%
A 0.142s 7952 86.9%
A 0.172s 7353 80.3%
A 0.202s 6670 72.9%
A 0.233s 5868 64.1%
A 0.263s 4952 54.1%
A 0.293s 4015 43.9%
A 0.324s 3137 34.3%
A 0.354s 2355 25.7%
A 0.385s 1686 18.4%
A 0.415s 1115 12.2%
A 0.445s 673 7.4%
A 0.476s 334 3.6%
A 0.506s 118 1.3%
A 0.537s 8 0.1%
B 0.020s 9145 99.9%
B 0.051s 9035 98.7%
B 0.081s 8775 95.9%
B 0.111s 8425 92.0%
B 0.142s 7958 86.9%
B 0.172s 7381 80.6%
B 0.202s 6695 73.1%
B 0.233s 5897 64.4%
B 0.263s 4985 54.5%
B 0.293s 4049 44.2%
B 0.324s 3165 34.6%
B 0.354s 2361 25.8%
B 0.384s 1692 18.5%
B 0.415s 1124 12.3%
B 0.445s 683 7.5%
B 0.475s 345 3.8%
B 0.506s 120 1.3%
B 0.536s 9 0.1%
A 0 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 0.536 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.1 percent in 0.537 seconds.
Shutter B closed to 0.1 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed= 911x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9185 IDLE
Tue Jul 28 17:05:24 SAST 2026 [elapsed=315 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Jul 28 17:05 /atlas/obs/03a/61250/03a61250e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Jul 28 17:05:47 SAST 2026 [elapsed=337 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (88 seconds old)
OTA humidity level...OK (20%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Jul 28 17:05:47 SAST 2026 [elapsed=338 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61249.62902033|info|galildriver|using focus model: foc=9187+(4.30)*9.4+(-0.40)*60.2=9203.3
61249.62902570|info|galildriver|o 2 IN | cass: 3046969 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53996443 9185 um b=8f M [focus]
61249.62903143|info|galildriver|o 2 IN | cass: 3046968 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53996426 9185 um b=8f M [focus]
61249.62903482|info|galildriver|o 2 IN | cass: 3046983 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53996417 9185 um b=8f M [focus]
61249.62904305|info|galildriver|o 2 IN | cass: 3046977 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53996427 9185 um b=0f [cmd]
bestfocus for o...OK
Tue Jul 28 17:05:50 SAST 2026 [elapsed=341 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Jul 28 17:06:16 SAST 2026 [elapsed=367 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
Tue Jul 28 17:06:17 SAST 2026 [elapsed=368 sec] NOTICES: det_dzdx=-881 is outside range +-250 from -558; det_dzdy=980 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 28 17:06:17 SAST 2026 [elapsed=368 sec] Happy observing!
Tue Jul 28 17:06:18 SAST 2026 [elapsed=368 sec] Preflight took 368 seconds to complete.
Tue Jul 28 17:06:18 SAST 2026 [elapsed=369 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 108 1.2% A 0.081s 376 4.1% A 0.111s 722 7.9% A 0.141s 1181 12.9% A 0.172s 1762 19.2% A 0.202s 2441 26.7% A 0.232s 3239 35.4% A 0.263s 4143 45.3% A 0.293s 5074 55.4% A 0.323s 5969 65.2% A 0.353s 6752 73.8% A 0.383s 7414 81.0% A 0.414s 7989 87.3% A 0.444s 8445 92.3% A 0.474s 8783 95.9% A 0.504s 9020 98.5% A 0.534s 9136 99.8% A 0.565s 9154 100.0% B 0.020s 1 0.0% B 0.050s 118 1.3% B 0.081s 388 4.2% B 0.111s 741 8.1% B 0.141s 1217 13.3% B 0.171s 1794 19.6% B 0.201s 2490 27.2% B 0.232s 3295 36.0% B 0.262s 4167 45.5% B 0.292s 5102 55.7% B 0.322s 5988 65.4% B 0.352s 6771 74.0% B 0.383s 7442 81.3% B 0.413s 8002 87.4% B 0.443s 8457 92.4% B 0.474s 8796 96.1% B 0.504s 9023 98.6% B 0.534s 9138 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9048 98.8% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 7380 80.6% A 0.201s 6692 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.292s 4038 44.1% A 0.322s 3166 34.6% A 0.352s 2387 26.1% A 0.383s 1732 18.9% A 0.413s 1146 12.5% A 0.443s 694 7.6% A 0.473s 367 4.0% A 0.504s 131 1.4% A 0.534s 16 0.2% A 0.564s 1 0.0% B 0.020s 9143 99.9% B 0.050s 9019 98.5% B 0.081s 8770 95.8% B 0.111s 8422 92.0% B 0.141s 7953 86.9% B 0.171s 7377 80.6% B 0.202s 6690 73.1% B 0.232s 5894 64.4% B 0.262s 5011 54.7% B 0.293s 4054 44.3% B 0.323s 3188 34.8% B 0.353s 2417 26.4% B 0.383s 1726 18.9% B 0.413s 1162 12.7% B 0.444s 714 7.8% B 0.474s 366 4.0% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R