STH Recent Preflight: 61292
Executing preflight for 61292 at Tue Sep 8 17:26:49 SAST 2026.
Log can be found in /atlas/obs/03/61292/preflight.dat.
Setting donefile '/atlas/obs/03/61292/preflight_complete.20260908152649.4726' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260908152649.4726.
Tue Sep 8 17:26:49 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Sep 8 17:26:49 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [e4dcc8f8-ff2e-4f07-b17a-1af3506323da;1800]
Tue Sep 8 17:26:50 SAST 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue Sep 8 17:26:51 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Sep 8 17:26:51 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Tue Sep 8 17:26:51 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Tue Sep 8 17:26:51 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1788881206
OK
Tue Sep 8 17:26:51 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Tue Sep 8 17:26:51 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
Tue Sep 8 17:26:53 SAST 2026 [elapsed=4 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
Tue Sep 8 17:26:54 SAST 2026 [elapsed=5 sec] QUEUE
0 observations queued.
Tue Sep 8 17:26:54 SAST 2026 [elapsed=5 sec] CLOCKS
admin: Tue Sep 8 15:26:54 UTC 2026
metbox: 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 106 1024 377 1.041 -0.731 0.575
*metbox2.sth.atl .PPS. 1 u 918 1024 377 0.304 -0.726 0.688
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 155.232.19.6 2 u 662 1024 377 23.265 -0.601 0.601
+ntp.as3741.net 146.64.8.7 2 u 66 1024 377 22.798 -0.722 0.905
+ntp2.as3741.net 155.232.19.6 2 u 260 1024 377 7.310 -0.690 0.967
+196.10.54.57 183.3.52.101 2 u 552 1024 377 7.302 -0.625 0.524
+ntp5.inx.net.za 210.182.58.253 2 u 275 1024 377 7.498 -0.667 0.538
+102.222.156.151 196.21.187.2 2 u 7 1024 377 23.413 -0.876 0.747
+ntp2.nog.net.za 80.72.67.48 3 u 909 1024 377 7.545 -0.661 0.694
+139.84.231.68 ( 196.21.187.2 2 u 30 1024 377 23.239 -0.934 1.111
+ntp8.inx.net.za 183.3.52.101 2 u 220 1024 377 16.836 -1.027 0.734
Tue Sep 8 17:26:56 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (4999GB)
200GB available in /atlas/red...OK (7934GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 5.5T 4.8T 54% /
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 5.8T 7.6T 44% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.9T 12T 14% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 738G 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
Tue Sep 8 17:26:56 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
Tue Sep 8 17:26:57 SAST 2026 [elapsed=8 sec] Disabling mount tracking.
Tue Sep 8 17:26:57 SAST 2026 [elapsed=8 sec] SERVICES2
Tue Sep 8 17:26:57 SAST 2026 [elapsed=8 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Sep 8 17:27:01 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= 918kB time=00:00:29.37 bitrate= 256.0kbits/s speed=1.5e+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
Tue Sep 8 17:30:16 SAST 2026 [elapsed=207 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: 238.98 -29.49, az/alt=324.82 +86.49 idle(e) IDLE
Tue Sep 8 17:31:07 SAST 2026 [elapsed=258 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Sep 8 17:31:26 SAST 2026 [elapsed=277 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Tue Sep 8 17:31:26 SAST 2026 [elapsed=277 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (6 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.2C)
Checking CCD plane: Z0=+1746.00 DZDX=-898.00 DZDY=+3223.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Sep 8 17:31:26 SAST 2026 [elapsed=277 sec] WEATHER
status weather: C 19.2C 48% 12/18kph@342 DP11.5C/15C/d IDLE
...OK
Tue Sep 8 17:31:27 SAST 2026 [elapsed=278 sec] MET
status...OK
met: c=N o=Y Ro2d Co15h Wo3d Ho6h To82d Do8d IDLE
Tue Sep 8 17:31:27 SAST 2026 [elapsed=278 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Sep 8 17:31:28 SAST 2026 [elapsed=279 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 267.89 -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 115 1.3%
A 0.081s 402 4.4%
A 0.111s 746 8.1%
A 0.141s 1208 13.2%
A 0.172s 1804 19.7%
A 0.202s 2489 27.2%
A 0.232s 3288 35.9%
A 0.263s 4195 45.8%
A 0.293s 5144 56.2%
A 0.323s 6018 65.7%
A 0.353s 6803 74.3%
A 0.384s 7459 81.5%
A 0.414s 8015 87.6%
A 0.444s 8478 92.6%
A 0.475s 8802 96.2%
A 0.505s 9026 98.6%
A 0.535s 9154 100.0%
B 0.020s 1 0.0%
B 0.050s 105 1.1%
B 0.081s 395 4.3%
B 0.111s 740 8.1%
B 0.141s 1215 13.3%
B 0.172s 1798 19.6%
B 0.202s 2490 27.2%
B 0.232s 3285 35.9%
B 0.262s 4199 45.9%
B 0.293s 5130 56.0%
B 0.323s 6022 65.8%
B 0.353s 6794 74.2%
B 0.384s 7456 81.5%
B 0.414s 8027 87.7%
B 0.444s 8466 92.5%
B 0.475s 8806 96.2%
B 0.505s 9033 98.7%
B 0.535s 9146 99.9%
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 7372 80.5%
A 0.202s 6692 73.1%
A 0.232s 5895 64.4%
A 0.262s 4982 54.4%
A 0.292s 4044 44.2%
A 0.323s 3165 34.6%
A 0.353s 2376 26.0%
A 0.383s 1712 18.7%
A 0.413s 1147 12.5%
A 0.443s 698 7.6%
A 0.474s 356 3.9%
A 0.504s 129 1.4%
A 0.534s 14 0.2%
A 0.564s -6 0.0%
B 0.020s 9145 99.9%
B 0.050s 9032 98.7%
B 0.081s 8770 95.8%
B 0.111s 8423 92.0%
B 0.141s 7956 86.9%
B 0.171s 7380 80.6%
B 0.202s 6694 73.1%
B 0.232s 5897 64.4%
B 0.262s 4983 54.4%
B 0.292s 4051 44.3%
B 0.323s 3165 34.6%
B 0.353s 2384 26.0%
B 0.383s 1713 18.7%
B 0.414s 1142 12.5%
B 0.444s 696 7.6%
B 0.474s 356 3.9%
B 0.504s 128 1.4%
B 0.535s 13 0.1%
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 99.9 percent in 0.535 seconds.
Shutter A closed to 0.0 percent in 0.564 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=1.06e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9246 IDLE
Tue Sep 8 17:32:07 SAST 2026 [elapsed=318 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
124M Sep 8 17:32 /atlas/obs/03a/61292/03a61292e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Sep 8 17:32:29 SAST 2026 [elapsed=340 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (39 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Sep 8 17:32:29 SAST 2026 [elapsed=340 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61291.64757262|info|galildriver|using focus model: foc=9187+(4.30)*18.7+(-0.40)*60.2=9243.3
61291.64757764|info|galildriver|o 2 IN | cass: 3037594 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54008659 9246 um b=8f M [focus]
61291.64758779|info|galildriver|o 2 IN | cass: 3037594 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54008656 9246 um b=0f [cmd]
bestfocus for o...OK
Tue Sep 8 17:32:32 SAST 2026 [elapsed=343 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Sep 8 17:32:58 SAST 2026 [elapsed=369 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
Tue Sep 8 17:32:59 SAST 2026 [elapsed=370 sec] NOTICES: det_dzdx=-898 is outside range +-250 from -558; det_dzdy=3223 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Tue Sep 8 17:32:59 SAST 2026 [elapsed=370 sec] Happy observing!
Tue Sep 8 17:32:59 SAST 2026 [elapsed=370 sec] Preflight took 370 seconds to complete.
Tue Sep 8 17:32:59 SAST 2026 [elapsed=370 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 120 1.3% A 0.081s 396 4.3% A 0.111s 749 8.2% A 0.141s 1214 13.3% A 0.172s 1804 19.7% A 0.202s 2489 27.2% A 0.232s 3295 36.0% A 0.262s 4204 45.9% A 0.293s 5133 56.1% A 0.323s 6027 65.8% A 0.353s 6796 74.2% A 0.383s 7453 81.4% A 0.414s 8006 87.5% A 0.444s 8457 92.4% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.535s 9137 99.8% A 0.565s 9153 100.0% B 0.020s 1 0.0% B 0.050s 120 1.3% B 0.081s 381 4.2% B 0.111s 728 8.0% B 0.141s 1201 13.1% B 0.171s 1773 19.4% B 0.201s 2468 27.0% B 0.232s 3268 35.7% B 0.262s 4166 45.5% B 0.292s 5102 55.7% B 0.322s 5988 65.4% B 0.353s 6773 74.0% B 0.383s 7439 81.3% B 0.413s 8000 87.4% B 0.444s 8456 92.4% B 0.474s 8796 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.565s 9156 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 0.171s 7381 80.6% A 0.201s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4982 54.4% A 0.292s 4038 44.1% A 0.322s 3194 34.9% A 0.353s 2409 26.3% A 0.383s 1732 18.9% A 0.413s 1164 12.7% A 0.443s 705 7.7% A 0.473s 368 4.0% A 0.504s 132 1.4% A 0.534s 15 0.2% A 0.564s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9026 98.6% B 0.081s 8779 95.9% B 0.111s 8434 92.1% B 0.141s 7969 87.1% B 0.171s 7400 80.8% B 0.201s 6714 73.3% B 0.232s 5919 64.7% B 0.262s 5007 54.7% B 0.292s 4083 44.6% B 0.322s 3191 34.9% B 0.353s 2416 26.4% B 0.383s 1727 18.9% B 0.413s 1159 12.7% B 0.443s 713 7.8% B 0.474s 364 4.0% B 0.504s 137 1.5% B 0.534s 15 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R