STH Recent Preflight: 61235
Executing preflight for 61235 at Mon Jul 13 16:50:59 SAST 2026.
Log can be found in /atlas/obs/03/61235/preflight.dat.
Setting donefile '/atlas/obs/03/61235/preflight_complete.20260713145059.2231' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260713145059.2231.
Mon Jul 13 16:50:59 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Jul 13 16:50:59 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [46856d4b-2a4c-4e85-9414-9be90da3baf8;1800]
Mon Jul 13 16:50:59 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Mon Jul 13 16:51:00 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Mon Jul 13 16:51:00 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Mon Jul 13 16:51:00 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Jul 13 16:51:00 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1783954254
OK
Mon Jul 13 16:51:00 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Jul 13 16:51:00 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 Jul 13 16:51:01 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
Mon Jul 13 16:51:02 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Jul 13 16:51:02 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Mon Jul 13 14:51:02 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 636 1024 1 1.004 -0.027 0.081
*metbox2.sth.atl .PPS. 1 u 38 1024 377 0.312 -0.059 0.080
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 148 1024 377 23.324 -0.089 0.182
-ntp.as3741.net 210.182.58.253 2 u 474 1024 377 22.854 -0.241 0.954
-ntp2.as3741.net 155.232.19.7 2 u 249 1024 377 7.217 -0.164 0.053
-ntp2.inx.net.za 196.21.187.2 2 u 630 1024 377 7.207 -0.037 0.071
-ntp5.inx.net.za 183.3.52.101 2 u 548 1024 377 7.590 -0.155 0.049
#102.222.156.151 196.21.187.2 2 u 540 1024 337 23.416 -0.322 0.139
+ntp2.nog.net.za 80.72.67.48 3 u 700 1024 377 7.644 -0.039 0.107
+139.84.231.68 ( 196.21.187.2 2 u 835 1024 377 22.764 -0.095 0.525
-ntp8.inx.net.za 196.21.187.2 2 u 316 1024 377 16.911 0.367 0.240
Mon Jul 13 16:51:04 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5896GB)
200GB available in /atlas/red...OK (8996GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.6T 5.7T 45% /
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 38G 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 4.8T 8.6T 36% /
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 Jul 13 16:51:05 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
Mon Jul 13 16:51:05 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Mon Jul 13 16:51:05 SAST 2026 [elapsed=6 sec] SERVICES2
Mon Jul 13 16:51:05 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Jul 13 16:51:09 SAST 2026 [elapsed=10 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= 932kB time=00:00:29.82 bitrate= 256.0kbits/s speed=1.42e+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 Jul 13 16:53:57 SAST 2026 [elapsed=178 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: 164.72 -15.46, az/alt=325.61 +70.12 slewing(e) IDLE
Mon Jul 13 16:55:49 SAST 2026 [elapsed=290 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Jul 13 16:56:08 SAST 2026 [elapsed=309 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.8 IDLE
Mon Jul 13 16:56:08 SAST 2026 [elapsed=309 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (5 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.6C)
Checking CCD plane: Z0=+1709.00 DZDX=-885.00 DZDY=+2367.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Jul 13 16:56:08 SAST 2026 [elapsed=309 sec] WEATHER
status weather: clear 13.1C 40% 15/18kph@335 DP13.2C/5C/d IDLE
...OK
Mon Jul 13 16:56:09 SAST 2026 [elapsed=310 sec] MET
status...OK
met: c=N o=Y Ro14d Co14h Wo14d Ho15h To25d Do20h IDLE
Mon Jul 13 16:56:09 SAST 2026 [elapsed=310 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Jul 13 16:56:09 SAST 2026 [elapsed=310 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 202.86 -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 7 0.1%
A 0.051s 108 1.2%
A 0.081s 391 4.3%
A 0.111s 733 8.0%
A 0.142s 1190 13.0%
A 0.172s 1783 19.5%
A 0.202s 2465 26.9%
A 0.233s 3259 35.6%
A 0.263s 4164 45.5%
A 0.293s 5117 55.9%
A 0.324s 5989 65.4%
A 0.354s 6779 74.1%
A 0.384s 7440 81.3%
A 0.415s 7999 87.4%
A 0.445s 8466 92.5%
A 0.475s 8793 96.1%
A 0.506s 9027 98.6%
A 0.536s 9155 100.0%
B 0.020s 1 0.0%
B 0.050s 98 1.1%
B 0.081s 384 4.2%
B 0.111s 726 7.9%
B 0.141s 1196 13.1%
B 0.172s 1777 19.4%
B 0.202s 2465 26.9%
B 0.232s 3257 35.6%
B 0.262s 4166 45.5%
B 0.293s 5102 55.7%
B 0.323s 5992 65.5%
B 0.353s 6775 74.0%
B 0.384s 7435 81.2%
B 0.414s 8009 87.5%
B 0.444s 8455 92.4%
B 0.474s 8798 96.1%
B 0.505s 9029 98.6%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.050s 9071 99.1%
A 0.081s 8784 96.0%
A 0.111s 8426 92.0%
A 0.141s 7985 87.2%
A 0.171s 7395 80.8%
A 0.201s 6715 73.4%
A 0.232s 5924 64.7%
A 0.262s 5013 54.8%
A 0.292s 4072 44.5%
A 0.322s 3193 34.9%
A 0.353s 2402 26.2%
A 0.383s 1729 18.9%
A 0.413s 1163 12.7%
A 0.444s 711 7.8%
A 0.474s 364 4.0%
A 0.504s 135 1.5%
A 0.535s 15 0.2%
A 0.565s -8 0.0%
B 0.020s 9145 99.9%
B 0.051s 9033 98.7%
B 0.081s 8773 95.8%
B 0.111s 8424 92.0%
B 0.142s 7957 86.9%
B 0.172s 7379 80.6%
B 0.202s 6695 73.1%
B 0.233s 5898 64.4%
B 0.263s 4985 54.5%
B 0.293s 4051 44.3%
B 0.323s 3164 34.6%
B 0.354s 2383 26.0%
B 0.384s 1714 18.7%
B 0.414s 1140 12.5%
B 0.445s 697 7.6%
B 0.475s 354 3.9%
B 0.505s 128 1.4%
B 0.536s 13 0.1%
B 0.566s -4 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 0.536 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 0.0 percent in 0.566 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.13e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9232 IDLE
Mon Jul 13 16:56:48 SAST 2026 [elapsed=349 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.8 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Jul 13 16:57 /atlas/obs/03a/61235/03a61235e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Jul 13 16:57:10 SAST 2026 [elapsed=371 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (21 seconds old)
OTA humidity level...OK (17%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Jul 13 16:57:10 SAST 2026 [elapsed=371 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61234.62304202|info|galildriver|using focus model: foc=9187+(4.30)*15.9+(-0.40)*60.2=9231.3
61234.62304670|info|galildriver|o 2 IN | cass: 3044760 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005802 9232 um b=0f [cmd]
bestfocus for o...OK
Mon Jul 13 16:57:12 SAST 2026 [elapsed=373 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Jul 13 16:57:38 SAST 2026 [elapsed=399 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 Jul 13 16:57:40 SAST 2026 [elapsed=401 sec] NOTICES: det_dzdx=-885 is outside range +-250 from -558; det_dzdy=2367 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 Jul 13 16:57:40 SAST 2026 [elapsed=401 sec] Happy observing!
Mon Jul 13 16:57:40 SAST 2026 [elapsed=401 sec] Preflight took 401 seconds to complete.
Mon Jul 13 16:57:40 SAST 2026 [elapsed=401 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 386 4.2% A 0.111s 735 8.0% A 0.141s 1196 13.1% A 0.172s 1784 19.5% A 0.202s 2441 26.7% A 0.232s 3239 35.4% A 0.262s 4145 45.3% A 0.292s 5073 55.4% A 0.322s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7413 81.0% A 0.413s 7989 87.3% A 0.443s 8444 92.2% A 0.473s 8783 95.9% A 0.504s 9021 98.5% A 0.534s 9136 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 121 1.3% B 0.081s 390 4.3% B 0.111s 741 8.1% B 0.141s 1219 13.3% B 0.171s 1773 19.4% B 0.201s 2466 26.9% B 0.232s 3270 35.7% B 0.262s 4168 45.5% B 0.292s 5101 55.7% B 0.322s 5987 65.4% B 0.353s 6773 74.0% B 0.383s 7441 81.3% B 0.413s 8003 87.4% B 0.444s 8456 92.4% B 0.474s 8794 96.1% B 0.504s 9023 98.6% B 0.534s 9138 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 7380 80.6% A 0.201s 6692 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.292s 4039 44.1% A 0.322s 3166 34.6% A 0.352s 2386 26.1% A 0.383s 1711 18.7% A 0.413s 1148 12.5% A 0.443s 693 7.6% A 0.473s 358 3.9% A 0.504s 125 1.4% A 0.534s 16 0.2% A 0.564s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9022 98.6% B 0.081s 8773 95.8% B 0.111s 8424 92.0% B 0.141s 7955 86.9% B 0.172s 7382 80.6% B 0.202s 6692 73.1% B 0.232s 5893 64.4% B 0.262s 4981 54.4% B 0.292s 4056 44.3% B 0.323s 3167 34.6% B 0.353s 2393 26.1% B 0.383s 1724 18.8% B 0.413s 1164 12.7% B 0.444s 713 7.8% B 0.474s 366 4.0% B 0.504s 138 1.5% B 0.534s 17 0.2% B 0.564s 1 0.0% A 1 0.0mm 15 N F R | B 1 0.0mm 15 N F R