STH Recent Preflight: 61130
Executing preflight for 61130 at Mon Mar 30 17:37:29 SAST 2026.
Log can be found in /atlas/obs/03/61130/preflight.dat.
Setting donefile '/atlas/obs/03/61130/preflight_complete.20260330153729.15307' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260330153729.15307.
Mon Mar 30 17:37:29 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Mar 30 17:37:29 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [6d5c7559-720b-4dca-80f2-73cc08a7fead;1800]
Mon Mar 30 17:37:29 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Mar 30 17:37:30 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Mar 30 17:37:30 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Mon Mar 30 17:37:30 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Mar 30 17:37:30 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1774885049
OK
Mon Mar 30 17:37:30 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Mar 30 17:37:30 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 Mar 30 17:37:32 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 Mar 30 17:37:32 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Mar 30 17:37:32 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Mon Mar 30 15:37:32 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 88m 1024 340 1.037 0.003 0.071
*metbox2.sth.atl .PPS. 1 u 61 1024 377 0.298 -0.086 0.067
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 881 1024 377 24.236 -0.221 0.412
+ntp.as3741.net 146.64.8.7 2 u 94 1024 377 22.920 -0.149 0.291
+ntp2.as3741.net 155.232.19.6 2 u 269 1024 377 7.225 -0.108 0.141
+ntp2.inx.net.za 183.3.52.101 2 u 345 1024 377 7.355 -0.116 0.206
+102.222.100.153 155.232.19.6 2 u 729 1024 377 7.863 -0.172 0.298
+ntp5.inx.net.za 196.21.187.2 2 u 752 1024 377 7.901 -0.158 0.271
-flipping.cloudh 80.72.67.48 3 u 810 1024 377 8.140 0.122 0.080
102.216.37.99 ( 210.182.58.253 2 u 56d 1024 0 73.586 -0.040 0.000
-jnb.clearnet.pw 183.3.52.101 2 u 274 1024 377 22.751 -1.825 1.761
Mon Mar 30 17:37:36 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (6180GB)
200GB available in /atlas/red...OK (9048GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.4T 5.9T 43% /
admin:/dev/loop1 105M 105M 0 100% /snap/core/17272
admin:/dev/loop2 106M 106M 0 100% /snap/core/17284
archon:/dev/sda2 117G 21G 91G 19% /
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
archon:/dev/loop2 105M 105M 0 100% /snap/core/17272
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
tcs:/dev/mapper/ubuntu--vg-ubuntu--lv 98G 35G 59G 37% /
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/loop2 105M 105M 0 100% /snap/core/17272
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc2:/dev/md0p1 15T 1.7T 12T 13% /
proc2:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc3:/dev/md0p1 15T 735G 13T 6% /
proc3:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/md0p1 15T 1.1T 13T 8% /
proc4:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
Mon Mar 30 17:37:36 SAST 2026 [elapsed=7 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 Mar 30 17:37:36 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Mon Mar 30 17:37:37 SAST 2026 [elapsed=8 sec] SERVICES2
Mon Mar 30 17:37:37 SAST 2026 [elapsed=8 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Mar 30 17:37:41 SAST 2026 [elapsed=12 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= 914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.49e+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 Mar 30 17:40:15 SAST 2026 [elapsed=166 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: 81.83 -29.49, az/alt=324.69 +86.49 idle(e) IDLE
Mon Mar 30 17:41:13 SAST 2026 [elapsed=224 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Mar 30 17:41:34 SAST 2026 [elapsed=245 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=45.7 IDLE
Mon Mar 30 17:41:34 SAST 2026 [elapsed=245 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (3 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.9C)
Checking CCD plane: Z0=+1769.00 DZDX=-894.00 DZDY=+3750.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Mar 30 17:41:34 SAST 2026 [elapsed=245 sec] WEATHER
status weather: clear 22.6C 21% 18/22kph@294 DP22.2C/-26C/d IDLE
...OK
Mon Mar 30 17:41:34 SAST 2026 [elapsed=245 sec] MET
status...OK
met: c=N o=Y Ro2d Co2d Wo2d Ho2d To2d Do2d IDLE
Mon Mar 30 17:41:34 SAST 2026 [elapsed=245 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Mar 30 17:41:35 SAST 2026 [elapsed=246 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 110.75 -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 -1 0.0%
A 2 0.1mm 15 N F R | B -1 -0.0mm 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 9 0.1%
A 0.050s 117 1.3%
A 0.081s 403 4.4%
A 0.111s 745 8.1%
A 0.141s 1208 13.2%
A 0.172s 1803 19.7%
A 0.202s 2489 27.2%
A 0.232s 3289 35.9%
A 0.263s 4194 45.8%
A 0.293s 5143 56.2%
A 0.323s 6019 65.8%
A 0.354s 6804 74.3%
A 0.384s 7458 81.5%
A 0.414s 8016 87.6%
A 0.444s 8477 92.6%
A 0.475s 8799 96.1%
A 0.505s 9028 98.6%
A 0.535s 9152 100.0%
B 0.020s 2 0.0%
B 0.050s 107 1.2%
B 0.081s 395 4.3%
B 0.111s 739 8.1%
B 0.141s 1216 13.3%
B 0.172s 1797 19.6%
B 0.202s 2490 27.2%
B 0.232s 3285 35.9%
B 0.263s 4199 45.9%
B 0.293s 5132 56.1%
B 0.323s 6019 65.8%
B 0.354s 6798 74.3%
B 0.384s 7456 81.5%
B 0.414s 8027 87.7%
B 0.444s 8467 92.5%
B 0.475s 8805 96.2%
B 0.505s 9033 98.7%
B 0.535s 9144 99.9%
B 0.565s 9159 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.051s 9056 98.9%
A 0.081s 8760 95.7%
A 0.111s 8401 91.8%
A 0.142s 7951 86.9%
A 0.172s 7350 80.3%
A 0.202s 6670 72.9%
A 0.233s 5868 64.1%
A 0.263s 4951 54.1%
A 0.293s 3988 43.6%
A 0.323s 3109 34.0%
A 0.354s 2329 25.4%
A 0.384s 1692 18.5%
A 0.414s 1114 12.2%
A 0.445s 672 7.3%
A 0.475s 338 3.7%
A 0.505s 119 1.3%
A 0.535s 8 0.1%
B 0.020s 9147 99.9%
B 0.050s 9039 98.7%
B 0.081s 8780 95.9%
B 0.111s 8436 92.2%
B 0.141s 7972 87.1%
B 0.172s 7398 80.8%
B 0.202s 6718 73.4%
B 0.232s 5924 64.7%
B 0.262s 5015 54.8%
B 0.293s 4078 44.5%
B 0.323s 3192 34.9%
B 0.353s 2406 26.3%
B 0.384s 1735 19.0%
B 0.414s 1157 12.6%
B 0.444s 710 7.8%
B 0.475s 366 4.0%
B 0.505s 134 1.5%
B 0.535s 15 0.2%
B 0.565s -5 0.0%
A 0 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 0.535 seconds.
Shutter B opened to 100.0 percent in 0.565 seconds.
Shutter A closed to 0.1 percent in 0.535 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=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=9251 IDLE
Mon Mar 30 17:42:30 SAST 2026 [elapsed=301 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=45.7 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Mar 30 17:42 /atlas/obs/03a/61130/03a61130e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Mar 30 17:42:52 SAST 2026 [elapsed=323 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (5 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Mar 30 17:42:52 SAST 2026 [elapsed=323 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61129.65477870|info|galildriver|using focus model: foc=9187+(4.30)*21.4+(-0.40)*60.2=9254.9
61129.65478394|info|galildriver|o 2 IN | cass: 3046907 15.23 mm b=23 move=NO | arm: 408806 475.92 mm b=03 move=OK | foc: 54009666 9251 um b=8f M [focus]
61129.65479455|info|galildriver|o 2 IN | cass: 3046906 15.23 mm b=23 move=NO | arm: 408806 475.92 mm b=03 move=OK | foc: 54009730 9252 um b=2f [cmd]
bestfocus for o...OK
Mon Mar 30 17:42:54 SAST 2026 [elapsed=325 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Mar 30 17:43:25 SAST 2026 [elapsed=356 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 Mar 30 17:43:27 SAST 2026 [elapsed=358 sec] NOTICES: det_dzdx=-894 is outside range +-250 from -558; det_dzdy=3750 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 Mar 30 17:43:27 SAST 2026 [elapsed=358 sec] Happy observing!
Mon Mar 30 17:43:27 SAST 2026 [elapsed=358 sec] Preflight took 358 seconds to complete.
Mon Mar 30 17:43:27 SAST 2026 [elapsed=358 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 0.051s 118 1.3% A 0.081s 392 4.3% A 0.111s 743 8.1% A 0.141s 1214 13.3% A 0.172s 1779 19.4% A 0.202s 2488 27.2% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.293s 5107 55.8% A 0.323s 5991 65.4% A 0.353s 6779 74.1% A 0.383s 7432 81.2% A 0.414s 8008 87.5% A 0.444s 8459 92.4% A 0.474s 8788 96.0% A 0.504s 9029 98.6% A 0.534s 9140 99.8% A 0.565s 9153 100.0% B 0.020s 2 0.0% B 0.050s 115 1.3% B 0.081s 380 4.2% B 0.111s 729 8.0% B 0.141s 1204 13.2% B 0.171s 1774 19.4% B 0.201s 2467 26.9% B 0.232s 3270 35.7% B 0.262s 4168 45.5% B 0.292s 5105 55.8% B 0.322s 5989 65.4% B 0.353s 6772 74.0% B 0.383s 7440 81.3% B 0.413s 8002 87.4% B 0.443s 8456 92.4% B 0.474s 8796 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9154 100.0% A 0.050s 9049 98.9% A 0.081s 8782 95.9% A 0.111s 8429 92.1% A 0.141s 7964 87.0% A 0.171s 7385 80.7% A 0.202s 6693 73.1% A 0.232s 5902 64.5% A 0.262s 4982 54.4% A 0.292s 4072 44.5% A 0.322s 3199 34.9% A 0.353s 2404 26.3% A 0.383s 1734 18.9% A 0.413s 1160 12.7% A 0.443s 704 7.7% A 0.474s 368 4.0% A 0.504s 129 1.4% A 0.534s 16 0.2% A 0.565s 2 0.0% B 0.020s 9143 99.9% B 0.050s 9017 98.5% B 0.081s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7951 86.9% B 0.172s 7378 80.6% B 0.202s 6686 73.0% B 0.232s 5891 64.4% B 0.262s 4980 54.4% B 0.293s 4083 44.6% B 0.323s 3163 34.6% B 0.353s 2391 26.1% B 0.383s 1703 18.6% B 0.414s 1163 12.7% B 0.444s 712 7.8% B 0.474s 365 4.0% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R