STH Recent Preflight: 61221
Executing preflight for 61221 at Mon Jun 29 16:44:22 SAST 2026.
Log can be found in /atlas/obs/03/61221/preflight.dat.
Setting donefile '/atlas/obs/03/61221/preflight_complete.20260629144422.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260629144422.13534.
Mon Jun 29 16:44:22 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Jun 29 16:44:22 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [f660ee88-c6a8-45b6-8e88-9f4cacafa863;1800]
Mon Jun 29 16:44:22 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Jun 29 16:44:23 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Jun 29 16:44:23 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Mon Jun 29 16:44:23 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Jun 29 16:44:23 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782744259
OK
Mon Jun 29 16:44:23 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Jun 29 16:44:23 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
Mon Jun 29 16:44:25 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
Mon Jun 29 16:44:25 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Jun 29 16:44:25 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Mon Jun 29 14:44:25 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 1320 1024 356 1.048 0.051 0.047
*metbox2.sth.atl .PPS. 1 u 881 1024 377 0.287 0.019 0.036
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-146.64.24.58 155.232.19.6 2 u 817 1024 377 24.855 0.196 0.094
-ntp.as3741.net 210.182.58.253 2 u 927 1024 377 23.675 -0.371 0.290
-ntp2.as3741.net 155.232.19.7 2 u 739 1024 377 7.223 0.699 0.509
-ntp2.inx.net.za 183.3.52.101 2 u 716 1024 377 7.227 0.170 0.041
+ntp5.inx.net.za 196.21.187.2 2 u 355 1024 377 7.479 -0.041 0.079
#102.222.156.151 196.21.187.2 2 u 895 1024 377 25.520 0.258 0.726
+102.222.103.99 80.72.67.48 3 u 922 1024 377 7.629 0.069 0.074
-139.84.231.68 ( 196.21.187.2 2 u 882 1024 377 24.385 0.014 0.110
-ntp8.inx.net.za 183.3.52.101 2 u 300 1024 377 16.823 0.146 0.085
Mon Jun 29 16:44:37 SAST 2026 [elapsed=15 sec] DISKS
200GB available in /atlas/obs...OK (6236GB)
200GB available in /atlas/red...OK (9283GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.3T 6.0T 42% /
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 37G 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 4.6T 8.9T 34% /
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
Mon Jun 29 16:44:38 SAST 2026 [elapsed=16 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
Mon Jun 29 16:44:38 SAST 2026 [elapsed=16 sec] Disabling mount tracking.
Mon Jun 29 16:44:38 SAST 2026 [elapsed=16 sec] SERVICES2
Mon Jun 29 16:44:38 SAST 2026 [elapsed=16 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Jun 29 16:44:42 SAST 2026 [elapsed=20 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= 912kB time=00:00:29.18 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
Mon Jun 29 16:46:25 SAST 2026 [elapsed=123 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: 158.01 -29.49, az/alt=324.82 +86.49 idle(e) IDLE
Mon Jun 29 16:47:16 SAST 2026 [elapsed=174 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Jun 29 16:47:35 SAST 2026 [elapsed=193 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Mon Jun 29 16:47:35 SAST 2026 [elapsed=193 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (8 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-55.1C)
Checking CCD plane: Z0=+1660.00 DZDX=-887.00 DZDY=+1249.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Jun 29 16:47:35 SAST 2026 [elapsed=193 sec] WEATHER
status weather: clear 4.2C 62% 5/6kph@146 DP6.8C/8C/d IDLE
...OK
Mon Jun 29 16:47:35 SAST 2026 [elapsed=193 sec] MET
status...OK
met: c=N o=Y Ro15h Co3h Wo20h Ho4h To11d Do4d IDLE
Mon Jun 29 16:47:35 SAST 2026 [elapsed=193 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Jun 29 16:47:37 SAST 2026 [elapsed=195 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 186.92 -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 8 0.1%
A 0.050s 106 1.2%
A 0.081s 388 4.2%
A 0.111s 733 8.0%
A 0.141s 1190 13.0%
A 0.171s 1781 19.5%
A 0.202s 2466 26.9%
A 0.232s 3258 35.6%
A 0.262s 4161 45.5%
A 0.292s 5116 55.9%
A 0.323s 5993 65.5%
A 0.353s 6779 74.1%
A 0.383s 7438 81.3%
A 0.414s 8003 87.4%
A 0.444s 8465 92.5%
A 0.474s 8794 96.1%
A 0.504s 9023 98.6%
A 0.535s 9152 100.0%
B 0.020s 0 0.0%
B 0.051s 90 1.0%
B 0.081s 369 4.0%
B 0.111s 714 7.8%
B 0.141s 1178 12.9%
B 0.171s 1755 19.2%
B 0.202s 2441 26.7%
B 0.232s 3230 35.3%
B 0.262s 4136 45.2%
B 0.293s 5073 55.4%
B 0.323s 5963 65.1%
B 0.353s 6750 73.7%
B 0.384s 7416 81.0%
B 0.414s 7994 87.3%
B 0.444s 8445 92.3%
B 0.474s 8789 96.0%
B 0.505s 9025 98.6%
B 0.535s 9144 99.9%
B 0.565s 9163 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9066 99.0%
A 0.081s 8776 95.9%
A 0.111s 8415 91.9%
A 0.141s 7969 87.1%
A 0.172s 7375 80.6%
A 0.202s 6691 73.1%
A 0.232s 5898 64.4%
A 0.262s 4983 54.4%
A 0.293s 4045 44.2%
A 0.323s 3167 34.6%
A 0.353s 2375 25.9%
A 0.384s 1707 18.6%
A 0.414s 1146 12.5%
A 0.444s 711 7.8%
A 0.474s 363 4.0%
A 0.505s 133 1.5%
A 0.535s 14 0.2%
A 0.565s -9 0.0%
B 0.020s 9145 99.9%
B 0.050s 9035 98.7%
B 0.081s 8776 95.9%
B 0.111s 8425 92.0%
B 0.141s 7959 86.9%
B 0.171s 7380 80.6%
B 0.202s 6695 73.1%
B 0.232s 5897 64.4%
B 0.262s 4984 54.4%
B 0.292s 4051 44.3%
B 0.323s 3164 34.6%
B 0.353s 2383 26.0%
B 0.383s 1711 18.7%
B 0.414s 1140 12.5%
B 0.444s 696 7.6%
B 0.474s 354 3.9%
B 0.504s 127 1.4%
B 0.535s 11 0.1%
B 0.565s -7 0.0%
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 0.535 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= 224kB time=00:00:07.16 bitrate= 256.1kbits/s speed=1.17e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9216 IDLE
Mon Jun 29 16:48:15 SAST 2026 [elapsed=233 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 Jun 29 16:48 /atlas/obs/03a/61221/03a61221e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Jun 29 16:48:37 SAST 2026 [elapsed=255 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (48 seconds old)
OTA humidity level...OK (17%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Jun 29 16:48:37 SAST 2026 [elapsed=255 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61220.61710366|info|galildriver|using focus model: foc=9187+(4.30)*11.2+(-0.40)*60.2=9211.1
61220.61710868|info|galildriver|o 2 IN | cass: 3048916 15.24 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54002675 9216 um b=8f M [focus]
61220.61711882|info|galildriver|o 2 IN | cass: 3048904 15.24 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54002664 9216 um b=0f [cmd]
bestfocus for o...OK
Mon Jun 29 16:48:40 SAST 2026 [elapsed=258 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Jun 29 16:49:06 SAST 2026 [elapsed=284 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
Mon Jun 29 16:49:07 SAST 2026 [elapsed=285 sec] NOTICES: det_dzdx=-887 is outside range +-250 from -558; det_dzdy=1249 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Mon Jun 29 16:49:07 SAST 2026 [elapsed=285 sec] Happy observing!
Mon Jun 29 16:49:07 SAST 2026 [elapsed=285 sec] Preflight took 285 seconds to complete.
Mon Jun 29 16:49:07 SAST 2026 [elapsed=285 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 0.020s 3 0.0% A 0.050s 114 1.2% A 0.081s 375 4.1% A 0.111s 723 7.9% A 0.141s 1180 12.9% A 0.171s 1762 19.2% A 0.202s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.292s 5075 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7413 81.0% A 0.413s 7990 87.3% A 0.444s 8444 92.2% A 0.474s 8782 95.9% A 0.504s 9022 98.6% A 0.534s 9135 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 121 1.3% B 0.081s 389 4.2% B 0.111s 742 8.1% B 0.141s 1218 13.3% B 0.171s 1793 19.6% B 0.201s 2490 27.2% B 0.231s 3270 35.7% B 0.262s 4168 45.5% B 0.292s 5103 55.7% B 0.322s 5988 65.4% B 0.352s 6771 74.0% B 0.382s 7442 81.3% B 0.413s 8001 87.4% B 0.443s 8456 92.4% B 0.473s 8795 96.1% B 0.503s 9022 98.6% B 0.533s 9137 99.8% B 0.564s 9156 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 8434 92.1% A 0.141s 7974 87.1% A 0.172s 7401 80.8% A 0.202s 6692 73.1% A 0.232s 5922 64.7% A 0.262s 5013 54.8% A 0.293s 4068 44.4% A 0.323s 3194 34.9% A 0.353s 2409 26.3% A 0.383s 1730 18.9% A 0.413s 1164 12.7% A 0.444s 706 7.7% A 0.474s 368 4.0% A 0.504s 131 1.4% A 0.534s 16 0.2% A 0.565s 2 0.0% B 0.020s 9145 99.9% B 0.050s 9024 98.6% B 0.081s 8780 95.9% B 0.111s 8434 92.1% B 0.141s 7970 87.1% B 0.171s 7399 80.8% B 0.201s 6714 73.3% B 0.232s 5920 64.7% B 0.262s 5010 54.7% B 0.292s 4085 44.6% B 0.322s 3192 34.9% B 0.352s 2415 26.4% B 0.383s 1744 19.1% B 0.413s 1178 12.9% B 0.443s 725 7.9% B 0.473s 376 4.1% B 0.504s 143 1.6% B 0.534s 18 0.2% B 0.564s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R