STH Recent Preflight: 61225
Executing preflight for 61225 at Fri Jul 3 16:46:09 SAST 2026.
Log can be found in /atlas/obs/03/61225/preflight.dat.
Setting donefile '/atlas/obs/03/61225/preflight_complete.20260703144609.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260703144609.13534.
Fri Jul 3 16:46:09 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jul 3 16:46:09 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [b8eba6f6-c7eb-488b-ad5b-66abb8e45a06;1800]
Fri Jul 3 16:46:09 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Jul 3 16:46:10 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Jul 3 16:46:10 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jul 3 16:46:10 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jul 3 16:46:10 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1783089963
OK
Fri Jul 3 16:46:10 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jul 3 16:46:10 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
Fri Jul 3 16:46:11 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
Fri Jul 3 16:46:12 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Jul 3 16:46:12 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Fri Jul 3 14:46:12 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 125 1024 377 1.035 -0.100 0.166
+metbox2.sth.atl .PPS. 1 u 847 1024 377 0.324 -0.127 0.059
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 155.232.19.7 2 u 1033 1024 377 23.225 -0.081 0.095
-ntp.as3741.net 210.182.58.253 2 u 321 1024 377 22.795 -0.043 0.225
-ntp2.as3741.net 155.232.19.7 2 u 603 1024 377 7.277 -0.181 0.059
-ntp2.inx.net.za 183.3.52.101 2 u 721 1024 377 7.229 -0.027 0.055
-ntp5.inx.net.za 183.3.52.101 2 u 361 1024 377 7.661 -0.199 0.113
#102.222.156.151 129.134.26.123 2 u 87 1024 367 24.666 0.333 0.352
-102.222.103.99 80.72.67.48 3 u 115 1024 377 7.482 -0.056 0.124
-139.84.231.68 ( 196.21.187.2 2 u 328 1024 377 22.782 -0.003 0.064
-ntp8.inx.net.za 183.3.52.101 2 u 296 1024 377 43.387 -0.207 0.043
Fri Jul 3 16:46:15 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6537GB)
200GB available in /atlas/red...OK (9251GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.0T 6.3T 39% /
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
Fri Jul 3 16:46:15 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
Fri Jul 3 16:46:15 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Fri Jul 3 16:46:16 SAST 2026 [elapsed=7 sec] SERVICES2
Fri Jul 3 16:46:16 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jul 3 16:46:20 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= 930kB time=00:00:29.76 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
Fri Jul 3 16:48:53 SAST 2026 [elapsed=164 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: 162.56 -29.49, az/alt=324.74 +86.49 idle(e) IDLE
Fri Jul 3 16:49:44 SAST 2026 [elapsed=215 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jul 3 16:50:03 SAST 2026 [elapsed=234 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.5 IDLE
Fri Jul 3 16:50:03 SAST 2026 [elapsed=234 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 (-55.3C)
Checking CCD plane: Z0=+1647.00 DZDX=-890.00 DZDY=+931.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Jul 3 16:50:03 SAST 2026 [elapsed=234 sec] WEATHER
status weather: W 6.0C 47% 30/33kph@38 DP11.8C/49C/d IDLE
...OK
Fri Jul 3 16:50:04 SAST 2026 [elapsed=235 sec] MET
status...OK
met: c=N o=Y Ro4d Co15h Wo4d Ho5h To15d Do5h IDLE
Fri Jul 3 16:50:04 SAST 2026 [elapsed=235 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jul 3 16:50:06 SAST 2026 [elapsed=237 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 191.48 -14.63, 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 0.051s 105 1.1%
A 0.081s 389 4.2%
A 0.111s 732 8.0%
A 0.142s 1188 13.0%
A 0.172s 1780 19.4%
A 0.202s 2468 27.0%
A 0.233s 3285 35.9%
A 0.263s 4192 45.8%
A 0.294s 5148 56.2%
A 0.324s 6018 65.7%
A 0.354s 6802 74.3%
A 0.385s 7458 81.5%
A 0.415s 8036 87.8%
A 0.446s 8489 92.7%
A 0.476s 8813 96.3%
A 0.507s 9035 98.7%
A 0.537s 9156 100.0%
B 0.020s 1 0.0%
B 0.051s 97 1.1%
B 0.081s 378 4.1%
B 0.111s 726 7.9%
B 0.142s 1196 13.1%
B 0.172s 1775 19.4%
B 0.202s 2488 27.2%
B 0.233s 3283 35.9%
B 0.263s 4197 45.8%
B 0.294s 5132 56.1%
B 0.324s 6021 65.8%
B 0.354s 6796 74.2%
B 0.384s 7457 81.5%
B 0.415s 8027 87.7%
B 0.445s 8469 92.5%
B 0.475s 8808 96.2%
B 0.506s 9036 98.7%
B 0.536s 9149 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.051s 9060 99.0%
A 0.081s 8765 95.8%
A 0.111s 8402 91.8%
A 0.142s 7952 86.9%
A 0.172s 7355 80.3%
A 0.202s 6668 72.8%
A 0.233s 5869 64.1%
A 0.263s 4953 54.1%
A 0.293s 4016 43.9%
A 0.324s 3139 34.3%
A 0.354s 2352 25.7%
A 0.385s 1667 18.2%
A 0.415s 1115 12.2%
A 0.445s 673 7.4%
A 0.476s 334 3.6%
A 0.506s 117 1.3%
A 0.536s 8 0.1%
B 0.020s 9145 99.9%
B 0.051s 9035 98.7%
B 0.081s 8776 95.9%
B 0.111s 8425 92.0%
B 0.142s 7959 86.9%
B 0.172s 7380 80.6%
B 0.202s 6694 73.1%
B 0.232s 5898 64.4%
B 0.263s 4984 54.4%
B 0.293s 4051 44.3%
B 0.323s 3164 34.6%
B 0.354s 2383 26.0%
B 0.384s 1712 18.7%
B 0.414s 1139 12.4%
B 0.444s 696 7.6%
B 0.475s 356 3.9%
B 0.505s 126 1.4%
B 0.536s 10 0.1%
B 0.566s -8 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 0.537 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.0 percent in 0.566 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=9206 IDLE
Fri Jul 3 16:50:44 SAST 2026 [elapsed=275 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.5 IDLE
taking preflight exposures:
acam...OK
acam image:
124M Jul 3 16:51 /atlas/obs/03a/61225/03a61225e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jul 3 16:51:06 SAST 2026 [elapsed=297 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (17 seconds old)
OTA humidity level...OK (18%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jul 3 16:51:06 SAST 2026 [elapsed=297 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61224.61883363|info|galildriver|using focus model: foc=9187+(4.30)*10.3+(-0.40)*60.2=9207.2
61224.61883830|info|galildriver|o 2 IN | cass: 3049225 15.25 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54000620 9206 um b=0f [cmd]
bestfocus for o...OK
Fri Jul 3 16:51:08 SAST 2026 [elapsed=299 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jul 3 16:51:34 SAST 2026 [elapsed=325 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
Fri Jul 3 16:51:35 SAST 2026 [elapsed=326 sec] NOTICES: det_dzdx=-890 is outside range +-250 from -558; det_dzdy=931 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Fri Jul 3 16:51:35 SAST 2026 [elapsed=326 sec] Happy observing!
Fri Jul 3 16:51:35 SAST 2026 [elapsed=326 sec] Preflight took 326 seconds to complete.
Fri Jul 3 16:51:35 SAST 2026 [elapsed=326 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 4 0.0% A 0.050s 122 1.3% A 0.081s 396 4.3% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.202s 2490 27.2% A 0.232s 3266 35.7% A 0.262s 4175 45.6% A 0.292s 5104 55.8% A 0.323s 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.413s 8007 87.5% A 0.444s 8456 92.4% A 0.474s 8792 96.0% A 0.504s 9027 98.6% A 0.534s 9137 99.8% A 0.564s 9153 100.0% B 0.020s 1 0.0% B 0.050s 117 1.3% B 0.081s 380 4.2% B 0.111s 730 8.0% B 0.141s 1203 13.1% B 0.171s 1775 19.4% B 0.201s 2468 27.0% B 0.232s 3268 35.7% B 0.262s 4168 45.5% B 0.292s 5104 55.8% B 0.322s 5963 65.1% B 0.353s 6748 73.7% B 0.383s 7439 81.3% B 0.413s 8000 87.4% B 0.443s 8457 92.4% B 0.474s 8795 96.1% B 0.504s 9024 98.6% B 0.534s 9140 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.172s 7380 80.6% A 0.202s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4981 54.4% A 0.293s 4039 44.1% A 0.323s 3166 34.6% A 0.353s 2386 26.1% A 0.383s 1711 18.7% A 0.413s 1164 12.7% A 0.444s 706 7.7% A 0.474s 367 4.0% A 0.504s 131 1.4% A 0.534s 15 0.2% A 0.565s 2 0.0% B 0.020s 9144 99.9% B 0.050s 9020 98.5% B 0.081s 8780 95.9% B 0.111s 8436 92.2% B 0.141s 7953 86.9% B 0.172s 7380 80.6% B 0.202s 6690 73.1% B 0.232s 5922 64.7% B 0.262s 4982 54.4% B 0.293s 4053 44.3% B 0.323s 3191 34.9% B 0.353s 2394 26.2% B 0.383s 1725 18.8% B 0.413s 1162 12.7% B 0.444s 712 7.8% B 0.474s 364 4.0% B 0.504s 137 1.5% B 0.534s 16 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R