STH Recent Preflight: 61220
Executing preflight for 61220 at Sun Jun 28 16:44:04 SAST 2026.
Log can be found in /atlas/obs/03/61220/preflight.dat.
Setting donefile '/atlas/obs/03/61220/preflight_complete.20260628144404.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260628144404.13534.
Sun Jun 28 16:44:04 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Jun 28 16:44:04 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [0817f769-c6b5-438b-854b-52da9a8afcc3;1800]
Sun Jun 28 16:44:04 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun Jun 28 16:44:05 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Jun 28 16:44:05 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sun Jun 28 16:44:05 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Jun 28 16:44:05 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782657836
OK
Sun Jun 28 16:44:05 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Jun 28 16:44:05 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
Sun Jun 28 16:44:07 SAST 2026 [elapsed=3 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
Sun Jun 28 16:44:07 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Jun 28 16:44:07 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sun Jun 28 14:44:07 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 614 1024 377 0.986 -0.107 0.049
*metbox2.sth.atl .PPS. 1 u 1012 1024 377 0.297 -0.089 0.078
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 902 1024 377 23.290 0.160 0.164
-ntp.as3741.net 210.182.58.253 2 u 35 1024 377 22.818 -0.160 0.116
-ntp2.as3741.net 155.232.19.7 2 u 28 1024 377 7.267 -0.025 0.072
-ntp2.inx.net.za 183.3.52.101 2 u 74 1024 377 7.299 0.015 0.113
-ntp5.inx.net.za 183.3.52.101 2 u 138 1024 377 7.489 -0.039 0.176
#102.222.156.151 196.21.187.2 2 u 135 1024 377 26.655 1.518 0.323
-102.222.103.99 80.72.67.48 3 u 415 1024 377 7.609 0.036 1.220
+139.84.231.68 ( 196.21.187.2 2 u 275 1024 377 22.863 -0.073 0.361
-ntp8.inx.net.za 183.3.52.101 2 u 104 1024 377 16.852 0.001 0.230
Sun Jun 28 16:44:10 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6197GB)
200GB available in /atlas/red...OK (9254GB)
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 43% /
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 4.6T 8.9T 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
Sun Jun 28 16:44:10 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
Sun Jun 28 16:44:10 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Sun Jun 28 16:44:10 SAST 2026 [elapsed=6 sec] SERVICES2
Sun Jun 28 16:44:10 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Jun 28 16:44:14 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= 914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.47e+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=89.99 CLOSED/CLOSED (0%) IDLE
Sun Jun 28 16:47:33 SAST 2026 [elapsed=209 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: 157.31 -29.49, az/alt=324.83 +86.49 idle(e) IDLE
Sun Jun 28 16:48:24 SAST 2026 [elapsed=260 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Jun 28 16:48:43 SAST 2026 [elapsed=279 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Sun Jun 28 16:48:43 SAST 2026 [elapsed=279 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 (-55.0C)
Checking CCD plane: Z0=+1662.00 DZDX=-886.00 DZDY=+1277.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Jun 28 16:48:43 SAST 2026 [elapsed=279 sec] WEATHER
status weather: C W H+ 5.5C 91% 49/81kph@337 DP0.9C/-17C/d IDLE
...OK
Sun Jun 28 16:48:44 SAST 2026 [elapsed=280 sec] MET
status...OK
met: c=Y o=N Ro2d Cx0 Wx0 Hx1h To10d Do3d wait CWH IDLE
Sun Jun 28 16:48:44 SAST 2026 [elapsed=280 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Jun 28 16:48:46 SAST 2026 [elapsed=282 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 186.22 -14.64, 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 9 0.1%
A 0.051s 113 1.2%
A 0.081s 399 4.4%
A 0.111s 746 8.1%
A 0.141s 1205 13.2%
A 0.172s 1802 19.7%
A 0.202s 2491 27.2%
A 0.232s 3285 35.9%
A 0.262s 4193 45.8%
A 0.293s 5145 56.2%
A 0.323s 6020 65.8%
A 0.353s 6803 74.3%
A 0.383s 7457 81.5%
A 0.414s 8020 87.6%
A 0.444s 8478 92.6%
A 0.474s 8803 96.2%
A 0.504s 9028 98.6%
A 0.535s 9155 100.0%
B 0.020s 1 0.0%
B 0.050s 96 1.0%
B 0.081s 380 4.2%
B 0.111s 726 7.9%
B 0.141s 1195 13.1%
B 0.171s 1775 19.4%
B 0.202s 2465 26.9%
B 0.232s 3256 35.6%
B 0.262s 4167 45.5%
B 0.293s 5103 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 8458 92.4%
B 0.474s 8799 96.1%
B 0.504s 9031 98.7%
B 0.535s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9072 99.1%
A 0.081s 8787 96.0%
A 0.111s 8426 92.0%
A 0.141s 7986 87.2%
A 0.172s 7397 80.8%
A 0.202s 6715 73.4%
A 0.232s 5925 64.7%
A 0.263s 5013 54.8%
A 0.293s 4075 44.5%
A 0.323s 3193 34.9%
A 0.354s 2398 26.2%
A 0.384s 1728 18.9%
A 0.414s 1146 12.5%
A 0.444s 697 7.6%
A 0.475s 354 3.9%
A 0.505s 127 1.4%
A 0.535s 11 0.1%
A 0.566s -8 0.0%
B 0.020s 9145 99.9%
B 0.050s 9035 98.7%
B 0.081s 8776 95.9%
B 0.111s 8425 92.0%
B 0.141s 7958 86.9%
B 0.172s 7381 80.6%
B 0.202s 6694 73.1%
B 0.232s 5897 64.4%
B 0.262s 4985 54.5%
B 0.293s 4050 44.2%
B 0.323s 3163 34.6%
B 0.353s 2383 26.0%
B 0.383s 1712 18.7%
B 0.414s 1140 12.5%
B 0.444s 696 7.6%
B 0.474s 355 3.9%
B 0.504s 127 1.4%
B 0.535s 10 0.1%
B 0.565s -8 0.0%
A 0 0.0mm 15 N F R | B -7 -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 0.566 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=1.08e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9206 IDLE
Sun Jun 28 16:49:21 SAST 2026 [elapsed=317 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 28 16:49 /atlas/obs/03a/61220/03a61220e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Jun 28 16:49:44 SAST 2026 [elapsed=340 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (25 seconds old)
OTA humidity level...WARNING (26%)
WARNING (OTA humidity > 25 (26%); )
Dome humidity exists...OK
Dome humidity is current... OK
Sun Jun 28 16:49:44 SAST 2026 [elapsed=340 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61219.61787609|info|galildriver|using focus model: foc=9187+(4.30)*10.5+(-0.40)*60.2=9208.1
61219.61788075|info|galildriver|o 2 IN | cass: 3049481 15.25 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54000621 9206 um b=0f [cmd]
bestfocus for o...OK
Sun Jun 28 16:49:45 SAST 2026 [elapsed=341 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Jun 28 16:50:11 SAST 2026 [elapsed=367 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
Sun Jun 28 16:50:12 SAST 2026 [elapsed=368 sec] NOTICES: det_dzdx=-886 is outside range +-250 from -558; det_dzdy=1277 is outside range +-250 from -1915;
Sun Jun 28 16:50:12 SAST 2026 [elapsed=368 sec] WARNINGS: OTA humidity > 25 (26%);
Preflight completed with warnings. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sun Jun 28 16:50:12 SAST 2026 [elapsed=368 sec] Happy observing!
Sun Jun 28 16:50:12 SAST 2026 [elapsed=368 sec] Preflight took 368 seconds to complete.
Sun Jun 28 16:50:12 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 0.020s 4 0.0% A 0.050s 114 1.2% A 0.081s 385 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.202s 2466 26.9% A 0.232s 3267 35.7% A 0.262s 4174 45.6% A 0.293s 5104 55.8% A 0.323s 5998 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.414s 8007 87.5% A 0.444s 8456 92.4% A 0.474s 8792 96.0% A 0.504s 9027 98.6% A 0.535s 9137 99.8% A 0.565s 9153 100.0% B 0.020s 2 0.0% B 0.050s 113 1.2% B 0.081s 380 4.2% B 0.111s 728 8.0% B 0.141s 1201 13.1% B 0.171s 1773 19.4% B 0.202s 2464 26.9% B 0.232s 3269 35.7% B 0.262s 4170 45.6% B 0.292s 5102 55.7% B 0.323s 5988 65.4% B 0.353s 6770 74.0% B 0.383s 7441 81.3% B 0.413s 8003 87.4% B 0.443s 8456 92.4% B 0.474s 8795 96.1% B 0.504s 9022 98.6% B 0.534s 9139 99.8% B 0.564s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9048 98.8% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 7381 80.6% A 0.202s 6691 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.292s 4039 44.1% A 0.323s 3166 34.6% A 0.353s 2386 26.1% A 0.383s 1710 18.7% A 0.414s 1148 12.5% A 0.444s 694 7.6% A 0.474s 358 3.9% A 0.505s 125 1.4% A 0.535s 14 0.2% A 0.565s 2 0.0% B 0.020s 9143 99.9% B 0.050s 9019 98.5% B 0.081s 8771 95.8% B 0.111s 8422 92.0% B 0.141s 7953 86.9% B 0.172s 7378 80.6% B 0.202s 6689 73.1% B 0.232s 5891 64.4% B 0.262s 4981 54.4% B 0.293s 4055 44.3% B 0.323s 3163 34.6% B 0.353s 2392 26.1% B 0.383s 1703 18.6% B 0.414s 1147 12.5% B 0.444s 700 7.6% B 0.474s 357 3.9% B 0.504s 132 1.4% B 0.535s 15 0.2% B 0.565s 0 0.0% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R