STH Recent Preflight: 61223
Executing preflight for 61223 at Wed Jul 1 16:45:21 SAST 2026.
Log can be found in /atlas/obs/03/61223/preflight.dat.
Setting donefile '/atlas/obs/03/61223/preflight_complete.20260701144521.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260701144521.13534.
Wed Jul 1 16:45:21 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Jul 1 16:45:21 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [a747fec0-d45f-422c-8861-d32e1a8655ca;1800]
Wed Jul 1 16:45:21 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Wed Jul 1 16:45:22 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Jul 1 16:45:22 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Wed Jul 1 16:45:22 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Jul 1 16:45:22 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782917116
OK
Wed Jul 1 16:45:22 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Jul 1 16:45:22 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 1 16:45:24 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 1 16:45:24 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Wed Jul 1 16:45:24 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Wed Jul 1 14:45:24 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 294 1024 377 1.082 -0.004 0.116
*metbox2.sth.atl .PPS. 1 u 802 1024 377 0.283 0.038 0.041
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 699 1024 377 23.290 0.000 0.205
+ntp.as3741.net 210.182.58.253 2 u 687 1024 377 22.841 0.082 0.361
-ntp2.as3741.net 155.232.19.7 2 u 577 1024 377 7.245 -0.044 0.076
-ntp2.inx.net.za 196.21.187.2 2 u 628 1024 377 7.294 0.089 0.059
-ntp5.inx.net.za 196.21.187.2 2 u 1030 1024 377 7.492 -0.072 0.095
#102.222.156.151 129.134.26.123 2 u 552 1024 377 24.626 -0.038 0.583
-102.222.103.99 80.72.67.48 3 u 683 1024 377 7.528 0.075 0.222
-139.84.231.68 ( 196.21.187.2 2 u 505 1024 377 22.787 0.009 0.544
+ntp8.inx.net.za 210.182.58.253 2 u 1018 1024 377 16.858 0.067 0.094
Wed Jul 1 16:45:27 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6293GB)
200GB available in /atlas/red...OK (9263GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.3T 6.1T 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
Wed Jul 1 16:45:27 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 1 16:45:27 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Wed Jul 1 16:45:28 SAST 2026 [elapsed=7 sec] SERVICES2
Wed Jul 1 16:45:28 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Jul 1 16:45:32 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= 920kB time=00:00:29.44 bitrate= 256.0kbits/s speed=1.44e+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 1 16:48:48 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: 160.57 -29.49, az/alt=324.73 +86.49 idle(e) IDLE
Wed Jul 1 16:49:39 SAST 2026 [elapsed=258 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Jul 1 16:50:02 SAST 2026 [elapsed=281 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Wed Jul 1 16:50:02 SAST 2026 [elapsed=281 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 (-54.9C)
Checking CCD plane: Z0=+1675.00 DZDX=-890.00 DZDY=+1552.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Jul 1 16:50:02 SAST 2026 [elapsed=281 sec] WEATHER
status weather: clear H 3.3C 84% 22/31kph@282 DP2.2C/10C/d IDLE
...OK
Wed Jul 1 16:50:03 SAST 2026 [elapsed=282 sec] MET
status...OK
met: c=N o=N Ro2d Cc10 Wo2d Hx0 To13d Do6d wait CH IDLE
Wed Jul 1 16:50:03 SAST 2026 [elapsed=282 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Jul 1 16:50:04 SAST 2026 [elapsed=283 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 189.49 -14.64, az/alt=59.91 +60.05 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 0.051s 100 1.1%
A 0.081s 378 4.1%
A 0.111s 721 7.9%
A 0.141s 1171 12.8%
A 0.172s 1761 19.2%
A 0.202s 2444 26.7%
A 0.232s 3230 35.3%
A 0.262s 4133 45.1%
A 0.293s 5087 55.6%
A 0.323s 5963 65.1%
A 0.353s 6756 73.8%
A 0.384s 7418 81.0%
A 0.414s 7985 87.2%
A 0.444s 8454 92.4%
A 0.475s 8785 96.0%
A 0.505s 9016 98.5%
A 0.535s 9153 100.0%
B 0.020s 2 0.0%
B 0.050s 103 1.1%
B 0.081s 390 4.3%
B 0.111s 739 8.1%
B 0.141s 1214 13.3%
B 0.172s 1796 19.6%
B 0.202s 2489 27.2%
B 0.232s 3283 35.9%
B 0.263s 4196 45.8%
B 0.293s 5132 56.1%
B 0.323s 6020 65.8%
B 0.353s 6795 74.2%
B 0.384s 7457 81.5%
B 0.414s 8028 87.7%
B 0.444s 8468 92.5%
B 0.475s 8809 96.2%
B 0.505s 9036 98.7%
B 0.535s 9149 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9066 99.0%
A 0.081s 8777 95.9%
A 0.111s 8415 91.9%
A 0.141s 7969 87.1%
A 0.172s 7375 80.6%
A 0.202s 6693 73.1%
A 0.232s 5896 64.4%
A 0.262s 4982 54.4%
A 0.293s 4045 44.2%
A 0.323s 3137 34.3%
A 0.354s 2353 25.7%
A 0.384s 1689 18.5%
A 0.414s 1129 12.3%
A 0.444s 686 7.5%
A 0.475s 345 3.8%
A 0.505s 121 1.3%
A 0.535s 13 0.1%
A 0.565s -8 0.0%
B 0.020s 9144 99.9%
B 0.050s 9027 98.6%
B 0.081s 8766 95.8%
B 0.111s 8413 91.9%
B 0.141s 7943 86.8%
B 0.172s 7359 80.4%
B 0.202s 6671 72.9%
B 0.232s 5870 64.1%
B 0.262s 4954 54.1%
B 0.292s 4022 43.9%
B 0.323s 3134 34.2%
B 0.353s 2360 25.8%
B 0.383s 1692 18.5%
B 0.414s 1123 12.3%
B 0.444s 684 7.5%
B 0.474s 346 3.8%
B 0.505s 121 1.3%
B 0.535s 8 0.1%
A 1 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 99.9 percent in 0.535 seconds.
Shutter A closed to 0.0 percent in 0.565 seconds.
Shutter B closed to 0.1 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.08e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9182 IDLE
Wed Jul 1 16:50:42 SAST 2026 [elapsed=321 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:
123M Jul 1 16:50 /atlas/obs/03a/61223/03a61223e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Jul 1 16:51:04 SAST 2026 [elapsed=343 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (15 seconds old)
OTA humidity level...OK (17%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Jul 1 16:51:04 SAST 2026 [elapsed=343 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61222.61880682|info|galildriver|using focus model: foc=9187+(4.30)*11.2+(-0.40)*60.2=9211.1
61222.61881218|info|galildriver|o 2 IN | cass: 3048723 15.24 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 53997577 9191 um b=8f M [focus]
61222.61882290|info|galildriver|o 2 IN | cass: 3048730 15.24 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54001530 9211 um b=0f [cmd]
bestfocus for o...OK
Wed Jul 1 16:51:07 SAST 2026 [elapsed=346 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Jul 1 16:51:33 SAST 2026 [elapsed=372 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
Wed Jul 1 16:51:34 SAST 2026 [elapsed=373 sec] NOTICES: det_dzdx=-890 is outside range +-250 from -558; det_dzdy=1552 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 1 16:51:34 SAST 2026 [elapsed=373 sec] Happy observing!
Wed Jul 1 16:51:34 SAST 2026 [elapsed=373 sec] Preflight took 373 seconds to complete.
Wed Jul 1 16:51:34 SAST 2026 [elapsed=373 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 115 1.3% A 0.081s 385 4.2% A 0.111s 736 8.0% A 0.141s 1196 13.1% A 0.171s 1783 19.5% A 0.201s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.292s 5104 55.8% A 0.322s 5997 65.5% A 0.352s 6774 74.0% A 0.383s 7414 81.0% A 0.413s 7990 87.3% A 0.443s 8443 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 0 0.0% B 0.050s 105 1.1% B 0.080s 369 4.0% B 0.111s 713 7.8% B 0.141s 1184 12.9% B 0.171s 1751 19.1% B 0.202s 2443 26.7% B 0.232s 3241 35.4% B 0.262s 4135 45.2% B 0.292s 5071 55.4% B 0.323s 5960 65.1% B 0.353s 6750 73.7% B 0.383s 7421 81.1% B 0.413s 7985 87.2% B 0.443s 8444 92.2% B 0.474s 8786 96.0% B 0.504s 9017 98.5% B 0.534s 9136 99.8% B 0.564s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9043 98.8% A 0.081s 8767 95.8% A 0.111s 8407 91.8% A 0.141s 7958 86.9% A 0.171s 7359 80.4% A 0.202s 6691 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 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1147 12.5% A 0.443s 694 7.6% A 0.474s 358 3.9% A 0.504s 126 1.4% A 0.534s 13 0.1% A 0.565s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9018 98.5% B 0.081s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7954 86.9% B 0.171s 7379 80.6% B 0.201s 6690 73.1% B 0.232s 5892 64.4% B 0.262s 4977 54.4% B 0.292s 4054 44.3% B 0.322s 3164 34.6% B 0.353s 2394 26.2% B 0.383s 1703 18.6% B 0.413s 1145 12.5% B 0.443s 700 7.6% B 0.473s 364 4.0% B 0.504s 138 1.5% B 0.534s 17 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R