STH Recent Preflight: 61240
Executing preflight for 61240 at Sat Jul 18 20:21:35 SAST 2026.
Log can be found in /atlas/obs/03/61240/preflight.dat.
Setting donefile '/atlas/obs/03/61240/preflight_complete.20260718182135.806' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260718182135.806.
Sat Jul 18 20:21:35 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Jul 18 20:21:35 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [dc395110-e48b-401b-9f99-3343af76722b;1800]
Sat Jul 18 20:21:35 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat Jul 18 20:21:36 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Jul 18 20:21:36 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sat Jul 18 20:21:36 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Jul 18 20:21:36 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1784398895
OK
Sat Jul 18 20:21:36 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Jul 18 20:21:36 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
Sat Jul 18 20:21:37 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
Sat Jul 18 20:21:38 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Jul 18 20:21:38 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sat Jul 18 18:21:38 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 345 512 377 1.045 0.380 0.155
+metbox2.sth.atl .PPS. 1 u 272 512 377 0.279 0.283 0.103
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 229.179.94.34 2 u 991 1024 377 23.323 0.346 0.276
+ntp.as3741.net 146.64.58.41 2 u 317 512 377 22.830 0.210 0.301
-ntp2.as3741.net 129.134.28.123 2 u 171 512 377 7.240 -0.116 0.093
+ntp2.inx.net.za 183.3.52.101 2 u 412 1024 377 7.253 0.431 0.161
+ntp5.inx.net.za 183.3.52.101 2 u 102 512 377 7.493 0.352 0.217
#102.222.156.151 196.21.187.2 2 u 12 1024 247 24.720 0.584 37.319
+ntp2.nog.net.za 80.72.67.48 3 u 271 512 377 7.493 0.445 0.175
+139.84.231.68 ( 196.21.187.2 2 u 233 512 377 22.769 0.346 0.154
-ntp8.inx.net.za 183.3.52.101 2 u 518 1024 377 43.271 0.117 18.120
Sat Jul 18 20:21:38 SAST 2026 [elapsed=3 sec] DISKS
200GB available in /atlas/obs...OK (5880GB)
200GB available in /atlas/red...OK (8957GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.7T 5.7T 46% /
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 41% /
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 4.9T 8.6T 37% /
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
Sat Jul 18 20:21:38 SAST 2026 [elapsed=3 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 Jul 18 20:21:38 SAST 2026 [elapsed=3 sec] Disabling mount tracking.
Sat Jul 18 20:21:39 SAST 2026 [elapsed=4 sec] SERVICES2
Sat Jul 18 20:21:39 SAST 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Jul 18 20:21:43 SAST 2026 [elapsed=8 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= 934kB time=00:00:29.88 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
Sat Jul 18 20:24:40 SAST 2026 [elapsed=185 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: 231.44 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Sat Jul 18 20:25:31 SAST 2026 [elapsed=236 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Jul 18 20:25:50 SAST 2026 [elapsed=255 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=1/0 spi=39.0 IDLE
Sat Jul 18 20:25:50 SAST 2026 [elapsed=255 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 (-54.6C)
Checking CCD plane: Z0=+1702.00 DZDX=-879.00 DZDY=+2202.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=1 IDLE
Sat Jul 18 20:25:50 SAST 2026 [elapsed=255 sec] WEATHER
status weather: W 9.7C 23% 50/57kph@314 DP20.6C/30C/d IDLE
...OK
Sat Jul 18 20:25:51 SAST 2026 [elapsed=256 sec] MET
status...OK
met: c=N o=N Ro19d Co1d Wx0 Ho5d To30d Do5d wait W IDLE
Sat Jul 18 20:25:51 SAST 2026 [elapsed=256 sec] SENTRY
status...OK
sentry: close=NO open=NO drop=NO IDLE
Sat Jul 18 20:25:51 SAST 2026 [elapsed=256 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 260.36 -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 -1 -0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 6 0.1%
A 0.051s 113 1.2%
A 0.081s 401 4.4%
A 0.111s 746 8.1%
A 0.142s 1208 13.2%
A 0.172s 1802 19.7%
A 0.202s 2491 27.2%
A 0.232s 3287 35.9%
A 0.262s 4192 45.8%
A 0.293s 5147 56.2%
A 0.323s 6017 65.7%
A 0.353s 6803 74.3%
A 0.383s 7459 81.5%
A 0.414s 8016 87.6%
A 0.444s 8478 92.6%
A 0.474s 8803 96.2%
A 0.504s 9027 98.6%
A 0.535s 9153 100.0%
B 0.020s 1 0.0%
B 0.050s 96 1.0%
B 0.081s 380 4.2%
B 0.111s 725 7.9%
B 0.141s 1196 13.1%
B 0.171s 1775 19.4%
B 0.201s 2465 26.9%
B 0.232s 3257 35.6%
B 0.262s 4167 45.5%
B 0.292s 5101 55.7%
B 0.323s 5992 65.5%
B 0.353s 6774 74.0%
B 0.383s 7436 81.2%
B 0.413s 8011 87.5%
B 0.444s 8456 92.4%
B 0.474s 8800 96.1%
B 0.504s 9029 98.6%
B 0.534s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.050s 9059 99.0%
A 0.081s 8764 95.7%
A 0.111s 8402 91.8%
A 0.141s 7954 86.9%
A 0.172s 7352 80.3%
A 0.202s 6670 72.9%
A 0.232s 5871 64.1%
A 0.263s 4951 54.1%
A 0.293s 4016 43.9%
A 0.323s 3138 34.3%
A 0.353s 2352 25.7%
A 0.384s 1688 18.4%
A 0.414s 1131 12.4%
A 0.444s 684 7.5%
A 0.475s 345 3.8%
A 0.505s 123 1.3%
A 0.535s 11 0.1%
A 0.565s -6 0.0%
B 0.020s 9145 99.9%
B 0.050s 9034 98.7%
B 0.081s 8775 95.9%
B 0.111s 8424 92.0%
B 0.141s 7958 86.9%
B 0.172s 7381 80.6%
B 0.202s 6693 73.1%
B 0.232s 5897 64.4%
B 0.263s 4984 54.4%
B 0.293s 4052 44.3%
B 0.323s 3163 34.6%
B 0.353s 2383 26.0%
B 0.384s 1712 18.7%
B 0.414s 1140 12.5%
B 0.444s 696 7.6%
B 0.474s 356 3.9%
B 0.505s 126 1.4%
B 0.535s 13 0.1%
B 0.565s -5 0.0%
A 0 0.0mm 15 N F R | B -5 -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 0.534 seconds.
Shutter A closed to 0.0 percent in 0.565 seconds.
Shutter B closed to 0.0 percent in 0.565 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.07e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9237 IDLE
Sat Jul 18 20:26:28 SAST 2026 [elapsed=293 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=1/0 spi=39.0 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Jul 18 20:26 /atlas/obs/03a/61240/03a61240e0002o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Jul 18 20:26:50 SAST 2026 [elapsed=315 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (1 seconds old)
OTA humidity level...OK (19%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Jul 18 20:26:50 SAST 2026 [elapsed=315 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61239.76864917|info|galildriver|using focus model: foc=9187+(4.30)*13.6+(-0.40)*60.2=9221.4
61239.76865453|info|galildriver|o 2 IN | cass: 3046247 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006823 9237 um b=8f M [focus]
61239.76866025|info|galildriver|o 2 IN | cass: 3046239 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006832 9237 um b=8f M [focus]
61239.76866363|info|galildriver|o 2 IN | cass: 3046239 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006841 9237 um b=8f M [focus]
61239.76867179|info|galildriver|o 2 IN | cass: 3046243 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006765 9237 um b=0f [cmd]
bestfocus for o...OK
Sat Jul 18 20:26:54 SAST 2026 [elapsed=319 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Jul 18 20:27:20 SAST 2026 [elapsed=345 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 Jul 18 20:27:22 SAST 2026 [elapsed=347 sec] NOTICES: det_dzdx=-879 is outside range +-250 from -558; det_dzdy=2202 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 Jul 18 20:27:22 SAST 2026 [elapsed=347 sec] Happy observing!
Sat Jul 18 20:27:22 SAST 2026 [elapsed=347 sec] Preflight took 347 seconds to complete.
Sat Jul 18 20:27:22 SAST 2026 [elapsed=347 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 385 4.2% A 0.111s 737 8.1% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4175 45.6% A 0.292s 5103 55.7% A 0.323s 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.413s 8005 87.4% A 0.444s 8458 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 0 0.0% B 0.050s 113 1.2% B 0.080s 379 4.1% B 0.111s 727 7.9% B 0.141s 1184 12.9% B 0.171s 1752 19.1% B 0.201s 2440 26.7% B 0.232s 3239 35.4% B 0.262s 4138 45.2% B 0.292s 5072 55.4% B 0.322s 5960 65.1% B 0.352s 6747 73.7% B 0.383s 7420 81.1% B 0.413s 7986 87.2% B 0.443s 8444 92.2% B 0.473s 8786 96.0% B 0.503s 9012 98.4% B 0.533s 9134 99.8% B 0.564s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7959 86.9% A 0.172s 7381 80.6% A 0.202s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4981 54.4% A 0.292s 4039 44.1% A 0.323s 3166 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1147 12.5% A 0.444s 693 7.6% A 0.474s 357 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 0.051s 9020 98.5% B 0.081s 8771 95.8% B 0.111s 8422 92.0% B 0.141s 7953 86.9% B 0.171s 7379 80.6% B 0.202s 6689 73.1% B 0.232s 5893 64.4% B 0.262s 4981 54.4% B 0.292s 4054 44.3% B 0.323s 3162 34.5% B 0.353s 2392 26.1% B 0.383s 1706 18.6% B 0.413s 1146 12.5% B 0.444s 700 7.6% B 0.474s 356 3.9% B 0.504s 132 1.4% B 0.534s 14 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R