STH Recent Preflight: 61215
Executing preflight for 61215 at Tue Jun 23 16:42:29 SAST 2026.
Log can be found in /atlas/obs/03/61215/preflight.dat.
Setting donefile '/atlas/obs/03/61215/preflight_complete.20260623144229.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260623144229.13534.
Tue Jun 23 16:42:29 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Jun 23 16:42:29 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [1e848d1a-f5fc-4f0d-8ba3-18a8f503aa58;1800]
Tue Jun 23 16:42:29 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue Jun 23 16:42:30 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Jun 23 16:42:30 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Tue Jun 23 16:42:30 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Jun 23 16:42:30 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782225747
OK
Tue Jun 23 16:42:30 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Jun 23 16:42:30 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
Tue Jun 23 16:42:31 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
Tue Jun 23 16:42:32 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Tue Jun 23 16:42:32 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Tue Jun 23 14:42:32 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 681 1024 377 0.939 0.026 0.044
+metbox2.sth.atl .PPS. 1 u 547 1024 377 0.302 0.018 0.030
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 229.179.94.34 2 u 1057 1024 377 23.308 -0.339 0.307
-ntp.as3741.net 210.182.58.253 2 u 82 1024 377 22.874 -0.079 1.010
+ntp2.as3741.net 155.232.19.7 2 u 250 1024 377 7.284 -0.139 0.147
-ntp2.inx.net.za 183.3.52.101 2 u 224 1024 377 7.233 0.076 0.035
-ntp5.inx.net.za 102.176.229.251 2 u 121 1024 377 7.547 -0.022 0.052
#102.222.156.151 196.21.187.2 2 u 496 1024 377 23.323 0.673 0.833
-102.222.103.99 80.72.67.48 3 u 429 1024 377 7.594 0.092 0.041
-139.84.231.68 ( 196.21.187.2 2 u 384 1024 377 22.754 0.120 0.299
-ntp8.inx.net.za 183.3.52.101 2 u 345 1024 377 16.857 -0.120 1.053
Tue Jun 23 16:42:35 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6217GB)
200GB available in /atlas/red...OK (9341GB)
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 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 4.5T 9.0T 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/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
Tue Jun 23 16:42:35 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
Tue Jun 23 16:42:35 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Tue Jun 23 16:42:35 SAST 2026 [elapsed=6 sec] SERVICES2
Tue Jun 23 16:42:35 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Jun 23 16:42:39 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= 922kB time=00:00:29.50 bitrate= 256.0kbits/s speed=1.49e+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 Jun 23 16:45:56 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: 151.97 -29.49, az/alt=324.77 +86.49 idle(e) IDLE
Tue Jun 23 16:46:47 SAST 2026 [elapsed=258 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Jun 23 16:47:06 SAST 2026 [elapsed=277 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Tue Jun 23 16:47:06 SAST 2026 [elapsed=277 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (2 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-55.0C)
Checking CCD plane: Z0=+1659.00 DZDX=-887.00 DZDY=+1225.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Jun 23 16:47:06 SAST 2026 [elapsed=277 sec] WEATHER
status weather: C W H+ 5.4C 87% 31/44kph@339 DP1.5C/-17C/d IDLE
...OK
Tue Jun 23 16:47:07 SAST 2026 [elapsed=278 sec] MET
status...OK
met: c=N o=N Ro13h Cs0 Wo5d Hx3 To5d Do4d wait CH IDLE
Tue Jun 23 16:47:07 SAST 2026 [elapsed=278 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Jun 23 16:47:07 SAST 2026 [elapsed=278 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 180.89 -14.63, az/alt=59.90 +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 7 0.1%
A 0.050s 100 1.1%
A 0.081s 378 4.1%
A 0.111s 721 7.9%
A 0.141s 1172 12.8%
A 0.171s 1760 19.2%
A 0.202s 2444 26.7%
A 0.232s 3230 35.3%
A 0.262s 4130 45.1%
A 0.292s 5087 55.6%
A 0.323s 5963 65.1%
A 0.353s 6757 73.8%
A 0.383s 7419 81.0%
A 0.413s 7984 87.2%
A 0.444s 8453 92.3%
A 0.474s 8785 96.0%
A 0.504s 9016 98.5%
A 0.534s 9150 100.0%
B 0.020s 1 0.0%
B 0.050s 97 1.1%
B 0.081s 380 4.2%
B 0.111s 727 7.9%
B 0.141s 1196 13.1%
B 0.172s 1775 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 6773 74.0%
B 0.384s 7436 81.2%
B 0.414s 8011 87.5%
B 0.444s 8457 92.4%
B 0.474s 8799 96.1%
B 0.505s 9030 98.6%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9071 99.1%
A 0.081s 8776 95.9%
A 0.111s 8428 92.1%
A 0.141s 7969 87.1%
A 0.172s 7376 80.6%
A 0.202s 6691 73.1%
A 0.232s 5897 64.4%
A 0.263s 4983 54.4%
A 0.293s 4045 44.2%
A 0.323s 3167 34.6%
A 0.353s 2376 26.0%
A 0.384s 1704 18.6%
A 0.414s 1146 12.5%
A 0.444s 698 7.6%
A 0.475s 353 3.9%
A 0.505s 128 1.4%
A 0.535s 12 0.1%
A 0.565s -8 0.0%
B 0.020s 9145 99.9%
B 0.050s 9034 98.7%
B 0.081s 8776 95.9%
B 0.111s 8425 92.0%
B 0.142s 7958 86.9%
B 0.172s 7381 80.6%
B 0.202s 6695 73.1%
B 0.232s 5897 64.4%
B 0.263s 4985 54.5%
B 0.293s 4051 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 355 3.9%
B 0.505s 126 1.4%
B 0.535s 10 0.1%
B 0.565s -7 0.0%
A 0 0.0mm 15 N F R | B -6 -0.2mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.534 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=1.06e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9225 IDLE
Tue Jun 23 16:47:44 SAST 2026 [elapsed=315 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:
122M Jun 23 16:48 /atlas/obs/03a/61215/03a61215e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Jun 23 16:48:07 SAST 2026 [elapsed=338 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (18 seconds old)
OTA humidity level...OK (19%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Jun 23 16:48:07 SAST 2026 [elapsed=338 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61214.61675421|info|galildriver|using focus model: foc=9187+(4.30)*10.8+(-0.40)*60.2=9209.3
61214.61675957|info|galildriver|o 2 IN | cass: 3049447 15.25 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54003747 9222 um b=8f M [focus]
61214.61676773|info|galildriver|o 2 IN | cass: 3049439 15.25 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54001180 9209 um b=0f [cmd]
bestfocus for o...OK
Tue Jun 23 16:48:09 SAST 2026 [elapsed=340 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Jun 23 16:48:35 SAST 2026 [elapsed=366 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 Jun 23 16:48:37 SAST 2026 [elapsed=368 sec] NOTICES: det_dzdx=-887 is outside range +-250 from -558; det_dzdy=1225 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 Jun 23 16:48:37 SAST 2026 [elapsed=368 sec] Happy observing!
Tue Jun 23 16:48:37 SAST 2026 [elapsed=368 sec] Preflight took 368 seconds to complete.
Tue Jun 23 16:48:37 SAST 2026 [elapsed=368 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 0.021s 4 0.0% A 0.051s 128 1.4% A 0.082s 405 4.4% A 0.112s 762 8.3% A 0.143s 1230 13.4% A 0.173s 1845 20.2% A 0.204s 2537 27.7% A 0.235s 3350 36.6% A 0.265s 4266 46.6% A 0.295s 5221 57.0% A 0.326s 6106 66.7% A 0.356s 6865 75.0% A 0.386s 7513 82.1% A 0.416s 8072 88.2% A 0.447s 8506 92.9% A 0.478s 8829 96.4% A 0.508s 9054 98.9% A 0.539s 9145 99.9% B 0.020s 1 0.0% B 0.050s 111 1.2% B 0.081s 379 4.1% B 0.112s 740 8.1% B 0.142s 1219 13.3% B 0.172s 1793 19.6% B 0.203s 2490 27.2% B 0.233s 3295 36.0% B 0.264s 4197 45.8% B 0.294s 5160 56.4% B 0.324s 6043 66.0% B 0.354s 6819 74.5% B 0.385s 7480 81.7% B 0.415s 8034 87.8% B 0.446s 8480 92.6% B 0.476s 8814 96.3% B 0.506s 9034 98.7% B 0.537s 9143 99.9% B 0.567s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.051s 9041 98.8% A 0.081s 8767 95.8% A 0.111s 8408 91.9% A 0.142s 7941 86.7% A 0.172s 7360 80.4% A 0.203s 6668 72.8% A 0.233s 5839 63.8% A 0.263s 4920 53.7% A 0.294s 3980 43.5% A 0.324s 3112 34.0% A 0.355s 2339 25.6% A 0.385s 1671 18.3% A 0.415s 1114 12.2% A 0.446s 656 7.2% A 0.476s 332 3.6% A 0.507s 109 1.2% A 0.537s 9 0.1% B 0.020s 9142 99.9% B 0.051s 9010 98.4% B 0.081s 8762 95.7% B 0.112s 8394 91.7% B 0.142s 7919 86.5% B 0.173s 7337 80.2% B 0.203s 6643 72.6% B 0.234s 5809 63.5% B 0.264s 4887 53.4% B 0.294s 3965 43.3% B 0.325s 3084 33.7% B 0.355s 2324 25.4% B 0.386s 1642 17.9% B 0.416s 1083 11.8% B 0.447s 649 7.1% B 0.477s 321 3.5% B 0.507s 111 1.2% B 0.538s 9 0.1% A 1 0.0mm 15 N F R | B 1 0.0mm 15 N F R