STH Recent Preflight: 61163
Executing preflight for 61163 at Sat May 2 16:59:53 SAST 2026.
Log can be found in /atlas/obs/03/61163/preflight.dat.
Setting donefile '/atlas/obs/03/61163/preflight_complete.20260502145953.11042' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260502145953.11042.
Sat May 2 16:59:53 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat May 2 16:59:53 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [425a2349-a367-4b43-95d5-d90e061b177d;1800]
Sat May 2 16:59:53 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat May 2 16:59:54 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat May 2 16:59:55 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Sat May 2 16:59:55 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Sat May 2 16:59:55 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1777733994
OK
Sat May 2 16:59:55 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Sat May 2 16:59:55 SAST 2026 [elapsed=2 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
Sat May 2 16:59:56 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
Sat May 2 16:59:57 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Sat May 2 16:59:57 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Sat May 2 14:59:57 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 169 1024 377 0.997 -0.077 0.160
*metbox2.sth.atl .PPS. 1 u 968 1024 377 0.301 -0.097 0.127
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 196.21.187.2 2 u 866 1024 377 24.236 0.154 0.268
+ntp.as3741.net 146.64.58.41 2 u 497 1024 377 22.938 -0.116 0.122
+ntp2.as3741.net 155.232.19.7 2 u 749 1024 377 7.170 -0.133 0.119
+ntp2.inx.net.za 210.182.58.253 2 u 806 1024 377 7.368 -0.031 0.254
102.222.100.153 196.21.187.2 2 u 74h 1024 0 7.937 0.836 0.000
+ntp5.inx.net.za 183.3.52.101 2 u 520 1024 377 7.987 -0.076 0.165
-flipping.cloudh 80.72.67.48 3 u 638 1024 377 8.134 0.089 0.143
102.216.37.99 ( 210.182.58.253 2 u 89d 1024 0 73.586 -0.040 0.000
-jnb.clearnet.pw 183.3.52.101 2 u 746 1024 377 22.746 -0.627 0.439
Sat May 2 17:00:00 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (6039GB)
200GB available in /atlas/red...OK (9329GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.5T 5.8T 44% /
admin:/dev/loop2 106M 106M 0 100% /snap/core/17284
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/sda2 117G 21G 91G 19% /
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/loop0 106M 106M 0 100% /snap/core/17292
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 4.5T 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/loop1 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 737G 13T 6% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc4:/dev/md0p1 15T 1.1T 13T 8% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Sat May 2 17:00:00 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
Sat May 2 17:00:00 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Sat May 2 17:00:00 SAST 2026 [elapsed=7 sec] SERVICES2
Sat May 2 17:00:00 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat May 2 17:00:05 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= 910kB time=00:00:29.12 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
Sat May 2 17:01:44 SAST 2026 [elapsed=111 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: 104.70 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Sat May 2 17:02:43 SAST 2026 [elapsed=170 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat May 2 17:03:04 SAST 2026 [elapsed=191 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=45.7 IDLE
Sat May 2 17:03:04 SAST 2026 [elapsed=191 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 (-54.8C)
Checking CCD plane: Z0=+1717.00 DZDX=-891.00 DZDY=+2553.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat May 2 17:03:04 SAST 2026 [elapsed=191 sec] WEATHER
status weather: C 14.5C 62% 25/42kph@336 DP5.5C/-60C/d IDLE
...OK
Sat May 2 17:03:04 SAST 2026 [elapsed=191 sec] MET
status...OK
met: c=N o=Y Ro5d Co1d Wo5d Ho1d To35d Do20h IDLE
Sat May 2 17:03:04 SAST 2026 [elapsed=191 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat May 2 17:03:06 SAST 2026 [elapsed=193 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 133.63 -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 -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 9 0.1%
A 0.051s 108 1.2%
A 0.081s 391 4.3%
A 0.111s 732 8.0%
A 0.142s 1191 13.0%
A 0.172s 1782 19.5%
A 0.202s 2466 26.9%
A 0.233s 3259 35.6%
A 0.263s 4164 45.5%
A 0.293s 5116 55.9%
A 0.324s 6016 65.7%
A 0.354s 6780 74.1%
A 0.384s 7441 81.3%
A 0.414s 7999 87.4%
A 0.445s 8478 92.6%
A 0.475s 8802 96.2%
A 0.505s 9020 98.5%
A 0.535s 9151 100.0%
B 0.020s 0 0.0%
B 0.050s 98 1.1%
B 0.081s 385 4.2%
B 0.111s 726 7.9%
B 0.141s 1197 13.1%
B 0.171s 1776 19.4%
B 0.202s 2467 26.9%
B 0.232s 3257 35.6%
B 0.262s 4165 45.5%
B 0.293s 5103 55.7%
B 0.323s 5993 65.5%
B 0.353s 6775 74.0%
B 0.384s 7435 81.2%
B 0.414s 8010 87.5%
B 0.444s 8454 92.4%
B 0.474s 8798 96.1%
B 0.505s 9029 98.6%
B 0.535s 9144 99.9%
B 0.565s 9161 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9064 99.0%
A 0.081s 8772 95.8%
A 0.111s 8414 91.9%
A 0.141s 7968 87.0%
A 0.171s 7373 80.5%
A 0.202s 6693 73.1%
A 0.232s 5896 64.4%
A 0.262s 4984 54.4%
A 0.293s 4045 44.2%
A 0.323s 3165 34.6%
A 0.353s 2379 26.0%
A 0.384s 1708 18.7%
A 0.414s 1146 12.5%
A 0.444s 686 7.5%
A 0.475s 345 3.8%
A 0.505s 123 1.3%
A 0.535s 10 0.1%
A 0.566s -7 0.0%
B 0.020s 9146 99.9%
B 0.051s 9041 98.8%
B 0.081s 8783 95.9%
B 0.111s 8424 92.0%
B 0.141s 7958 86.9%
B 0.172s 7379 80.6%
B 0.202s 6718 73.4%
B 0.233s 5896 64.4%
B 0.263s 4985 54.5%
B 0.293s 4050 44.2%
B 0.323s 3164 34.6%
B 0.354s 2383 26.0%
B 0.384s 1713 18.7%
B 0.414s 1141 12.5%
B 0.445s 697 7.6%
B 0.475s 356 3.9%
B 0.505s 128 1.4%
B 0.536s 13 0.1%
B 0.566s -4 0.0%
A 1 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 0.0 percent in 0.566 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=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=9228 IDLE
Sat May 2 17:04:06 SAST 2026 [elapsed=253 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:
125M May 2 17:04 /atlas/obs/03a/61163/03a61163e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat May 2 17:04:28 SAST 2026 [elapsed=275 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (41 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat May 2 17:04:28 SAST 2026 [elapsed=275 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61162.62811369|info|galildriver|using focus model: foc=9187+(4.30)*16.3+(-0.40)*60.2=9233.0
61162.62811893|info|galildriver|o 2 IN | cass: 3047170 15.24 mm b=23 move=NO | arm: 408733 475.83 mm b=03 move=OK | foc: 54005164 9229 um b=8f M [focus]
61162.62812953|info|galildriver|o 2 IN | cass: 3047170 15.24 mm b=23 move=NO | arm: 408733 475.83 mm b=03 move=OK | foc: 54005225 9229 um b=2f [cmd]
bestfocus for o...OK
Sat May 2 17:04:31 SAST 2026 [elapsed=278 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat May 2 17:05:01 SAST 2026 [elapsed=308 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
Sat May 2 17:05:02 SAST 2026 [elapsed=309 sec] NOTICES: det_dzdx=-891 is outside range +-250 from -558; det_dzdy=2553 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sat May 2 17:05:02 SAST 2026 [elapsed=309 sec] Happy observing!
Sat May 2 17:05:02 SAST 2026 [elapsed=309 sec] Preflight took 309 seconds to complete.
Sat May 2 17:05:02 SAST 2026 [elapsed=309 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 0.051s 108 1.2% A 0.081s 385 4.2% A 0.111s 736 8.0% A 0.141s 1181 12.9% A 0.172s 1782 19.5% A 0.202s 2466 26.9% A 0.232s 3238 35.4% A 0.262s 4175 45.6% A 0.293s 5074 55.4% A 0.323s 5968 65.2% A 0.353s 6754 73.8% A 0.383s 7413 81.0% A 0.413s 7989 87.3% A 0.444s 8445 92.3% A 0.474s 8783 95.9% A 0.504s 9021 98.5% A 0.534s 9136 99.8% A 0.565s 9153 100.0% B 0.020s 1 0.0% B 0.050s 104 1.1% B 0.081s 370 4.0% B 0.111s 715 7.8% B 0.141s 1184 12.9% B 0.171s 1753 19.2% B 0.202s 2442 26.7% B 0.232s 3242 35.4% B 0.262s 4136 45.2% B 0.292s 5073 55.4% B 0.323s 5959 65.1% B 0.353s 6749 73.7% B 0.383s 7421 81.1% B 0.413s 7985 87.2% B 0.443s 8443 92.2% B 0.474s 8786 96.0% B 0.504s 9017 98.5% B 0.534s 9136 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9043 98.8% A 0.081s 8767 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.172s 7359 80.4% A 0.202s 6668 72.8% A 0.232s 5894 64.4% A 0.262s 4950 54.1% A 0.292s 4009 43.8% A 0.323s 3165 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1148 12.5% A 0.444s 693 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 9143 99.9% B 0.050s 9017 98.5% B 0.081s 8770 95.8% B 0.111s 8420 92.0% B 0.141s 7951 86.9% B 0.171s 7378 80.6% B 0.202s 6687 73.1% B 0.232s 5890 64.3% B 0.262s 4979 54.4% B 0.292s 4054 44.3% B 0.323s 3163 34.6% B 0.353s 2392 26.1% B 0.383s 1703 18.6% B 0.413s 1147 12.5% B 0.444s 699 7.6% B 0.474s 356 3.9% B 0.504s 132 1.4% B 0.534s 13 0.1% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R