STH Recent Preflight: 61212
Executing preflight for 61212 at Sat Jun 20 16:41:48 SAST 2026.
Log can be found in /atlas/obs/03/61212/preflight.dat.
Setting donefile '/atlas/obs/03/61212/preflight_complete.20260620144148.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260620144148.13534.
Sat Jun 20 16:41:48 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Jun 20 16:41:48 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [f1e65f42-893e-4643-9dff-a21a622cc9de;1800]
Sat Jun 20 16:41:48 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat Jun 20 16:41:49 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Jun 20 16:41:49 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sat Jun 20 16:41:49 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Jun 20 16:41:49 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1781966507
OK
Sat Jun 20 16:41:49 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Jun 20 16:41:49 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 Jun 20 16:41:50 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 Jun 20 16:41:51 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Jun 20 16:41:51 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sat Jun 20 14:41:51 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 851 1024 377 0.979 0.033 0.053
*metbox2.sth.atl .PPS. 1 u 608 1024 377 0.316 0.022 0.043
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
#zibbi.ngei.csir 155.232.19.6 2 u 375 1024 377 23.334 -0.303 0.215
-ntp.as3741.net 210.182.58.253 2 u 119 1024 377 22.872 -0.032 0.178
+ntp2.as3741.net 155.232.19.7 2 u 179 1024 377 7.356 -0.083 0.089
-ntp2.inx.net.za 210.182.58.253 2 u 984 1024 377 7.265 0.110 0.056
+ntp5.inx.net.za 196.21.187.2 2 u 479 1024 377 7.632 0.014 0.108
-102.222.156.151 196.21.187.2 2 u 729 1024 177 23.456 -0.034 0.334
+102.222.103.99 80.72.67.48 3 u 259 1024 377 7.609 0.047 0.213
-139.84.231.68 ( 196.21.187.2 2 u 466 1024 377 22.723 0.129 0.598
-ntp8.inx.net.za 183.3.52.101 2 u 255 1024 377 16.855 -0.025 0.063
Sat Jun 20 16:41:53 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6211GB)
200GB available in /atlas/red...OK (9030GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.3T 6.0T 42% /
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 37G 57G 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 8.7T 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
Sat Jun 20 16:41:53 SAST 2026 [elapsed=5 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 Jun 20 16:41:53 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Sat Jun 20 16:41:53 SAST 2026 [elapsed=5 sec] SERVICES2
Sat Jun 20 16:41:53 SAST 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.1/3.0C ? chiller=ON dryer=? IDLE
Sat Jun 20 16:41:57 SAST 2026 [elapsed=9 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= 916kB time=00:00:29.31 bitrate= 256.0kbits/s speed=1.53e+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 Jun 20 16:45:11 SAST 2026 [elapsed=203 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: 148.82 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Sat Jun 20 16:46:02 SAST 2026 [elapsed=254 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Jun 20 16:46:21 SAST 2026 [elapsed=273 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.9 IDLE
Sat Jun 20 16:46:21 SAST 2026 [elapsed=273 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (4 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.4C)
Checking CCD plane: Z0=+1701.00 DZDX=-886.00 DZDY=+2175.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Jun 20 16:46:21 SAST 2026 [elapsed=273 sec] WEATHER
status weather: C W 12.5C 71% 33/37kph@56 DP4.2C/-34C/d IDLE
...OK
Sat Jun 20 16:46:21 SAST 2026 [elapsed=273 sec] MET
status...OK
met: c=N o=Y Ro2d Co15h Wo2d Ho5h To2d Do1d IDLE
Sat Jun 20 16:46:21 SAST 2026 [elapsed=273 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Jun 20 16:46:23 SAST 2026 [elapsed=275 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 177.74 -14.64, az/alt=59.91 +60.05 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 8 0.1%
A 0.051s 106 1.2%
A 0.081s 391 4.3%
A 0.111s 735 8.0%
A 0.141s 1190 13.0%
A 0.172s 1783 19.5%
A 0.202s 2467 26.9%
A 0.232s 3257 35.6%
A 0.262s 4162 45.5%
A 0.293s 5116 55.9%
A 0.323s 5990 65.4%
A 0.353s 6780 74.1%
A 0.384s 7439 81.3%
A 0.414s 8000 87.4%
A 0.444s 8466 92.5%
A 0.474s 8791 96.0%
A 0.505s 9021 98.5%
A 0.535s 9153 100.0%
B 0.020s 0 0.0%
B 0.050s 91 1.0%
B 0.081s 374 4.1%
B 0.111s 713 7.8%
B 0.141s 1179 12.9%
B 0.172s 1757 19.2%
B 0.202s 2440 26.7%
B 0.232s 3231 35.3%
B 0.262s 4137 45.2%
B 0.293s 5101 55.7%
B 0.323s 5991 65.4%
B 0.353s 6773 74.0%
B 0.384s 7436 81.2%
B 0.414s 8010 87.5%
B 0.444s 8456 92.4%
B 0.475s 8798 96.1%
B 0.505s 9029 98.6%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.051s 9059 99.0%
A 0.081s 8763 95.7%
A 0.111s 8401 91.8%
A 0.142s 7952 86.9%
A 0.172s 7353 80.3%
A 0.202s 6668 72.8%
A 0.232s 5870 64.1%
A 0.263s 4951 54.1%
A 0.293s 4015 43.9%
A 0.323s 3138 34.3%
A 0.354s 2353 25.7%
A 0.384s 1689 18.5%
A 0.414s 1130 12.3%
A 0.444s 686 7.5%
A 0.474s 345 3.8%
A 0.505s 123 1.3%
A 0.535s 11 0.1%
A 0.565s -7 0.0%
B 0.020s 9145 99.9%
B 0.050s 9039 98.7%
B 0.081s 8782 95.9%
B 0.111s 8437 92.2%
B 0.141s 7975 87.1%
B 0.171s 7399 80.8%
B 0.202s 6719 73.4%
B 0.232s 5924 64.7%
B 0.262s 5014 54.8%
B 0.293s 4080 44.6%
B 0.323s 3191 34.9%
B 0.353s 2406 26.3%
B 0.383s 1733 18.9%
B 0.414s 1156 12.6%
B 0.444s 710 7.8%
B 0.474s 364 4.0%
B 0.504s 133 1.5%
B 0.535s 14 0.2%
B 0.565s -6 0.0%
A 1 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 0.535 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= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.14e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9234 IDLE
Sat Jun 20 16:47:01 SAST 2026 [elapsed=313 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.9 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Jun 20 16:47 /atlas/obs/03a/61212/03a61212e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Jun 20 16:47:23 SAST 2026 [elapsed=335 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (64 seconds old)
OTA humidity level...OK (17%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Jun 20 16:47:23 SAST 2026 [elapsed=335 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61211.61624881|info|galildriver|using focus model: foc=9187+(4.30)*15.0+(-0.40)*60.2=9227.4
61211.61625383|info|galildriver|o 2 IN | cass: 3046833 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54006304 9235 um b=8f M [focus]
61211.61626396|info|galildriver|o 2 IN | cass: 3046830 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54006303 9235 um b=0f [cmd]
bestfocus for o...OK
Sat Jun 20 16:47:25 SAST 2026 [elapsed=337 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Jun 20 16:47:51 SAST 2026 [elapsed=363 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 Jun 20 16:47:52 SAST 2026 [elapsed=364 sec] NOTICES: det_dzdx=-886 is outside range +-250 from -558; det_dzdy=2175 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 Jun 20 16:47:52 SAST 2026 [elapsed=364 sec] Happy observing!
Sat Jun 20 16:47:52 SAST 2026 [elapsed=364 sec] Preflight took 364 seconds to complete.
Sat Jun 20 16:47:52 SAST 2026 [elapsed=364 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 114 1.2% A 0.081s 384 4.2% A 0.111s 736 8.0% A 0.142s 1197 13.1% A 0.172s 1783 19.5% A 0.202s 2466 26.9% A 0.233s 3267 35.7% A 0.263s 4205 45.9% A 0.294s 5104 55.8% A 0.324s 6025 65.8% A 0.355s 6798 74.3% A 0.385s 7453 81.4% A 0.416s 8040 87.8% A 0.446s 8481 92.6% A 0.477s 8811 96.3% A 0.507s 9038 98.7% A 0.538s 9140 99.8% A 0.568s 9153 100.0% B 0.020s 2 0.0% B 0.051s 113 1.2% B 0.081s 378 4.1% B 0.112s 727 7.9% B 0.142s 1202 13.1% B 0.173s 1773 19.4% B 0.203s 2490 27.2% B 0.234s 3298 36.0% B 0.264s 4198 45.9% B 0.295s 5133 56.1% B 0.325s 6016 65.7% B 0.355s 6794 74.2% B 0.386s 7480 81.7% B 0.416s 8033 87.8% B 0.446s 8480 92.6% B 0.477s 8814 96.3% B 0.507s 9033 98.7% B 0.538s 9143 99.9% B 0.568s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9147 99.9% A 0.051s 9039 98.7% A 0.082s 8751 95.6% A 0.112s 8391 91.7% A 0.143s 7919 86.5% A 0.173s 7315 79.9% A 0.204s 6615 72.3% A 0.235s 5807 63.4% A 0.265s 4855 53.0% A 0.295s 3917 42.8% A 0.326s 3056 33.4% A 0.356s 2292 25.0% A 0.387s 1633 17.8% A 0.417s 1065 11.6% A 0.448s 633 6.9% A 0.478s 314 3.4% A 0.509s 99 1.1% A 0.539s 7 0.1% B 0.020s 9144 99.9% B 0.051s 9024 98.6% B 0.081s 8770 95.8% B 0.112s 8421 92.0% B 0.142s 7951 86.9% B 0.173s 7356 80.4% B 0.203s 6665 72.8% B 0.234s 5862 64.0% B 0.265s 4919 53.7% B 0.295s 3993 43.6% B 0.325s 3109 34.0% B 0.356s 2345 25.6% B 0.386s 1661 18.1% B 0.416s 1117 12.2% B 0.447s 674 7.4% B 0.477s 338 3.7% B 0.508s 116 1.3% B 0.539s 9 0.1% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R