STH Recent Preflight: 61289
Executing preflight for 61289 at Sat Sep 5 17:24:58 SAST 2026.
Log can be found in /atlas/obs/03/61289/preflight.dat.
Setting donefile '/atlas/obs/03/61289/preflight_complete.20260905152458.4726' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260905152458.4726.
Sat Sep 5 17:24:58 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Sep 5 17:24:58 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [cc5fa2e6-02dd-4354-bd11-6847999225a2;1800]
Sat Sep 5 17:24:58 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat Sep 5 17:24:58 SAST 2026 [elapsed=0 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Sep 5 17:24:59 SAST 2026 [elapsed=0 sec] auxcam is disabled.
Sat Sep 5 17:24:59 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Sep 5 17:24:59 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1788621891
OK
Sat Sep 5 17:24:59 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Sep 5 17:24:59 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 Sep 5 17:25:00 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 Sep 5 17:25:01 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Sep 5 17:25:01 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sat Sep 5 15:25:01 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 399 1024 307 1.047 0.054 0.942
*metbox2.sth.atl .PPS. 1 u 56 1024 377 0.268 0.048 0.043
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 341 1024 377 23.289 0.219 0.152
+ntp.as3741.net 146.64.8.7 2 u 240 1024 377 22.874 0.042 1.504
-ntp2.as3741.net 155.232.19.6 2 u 68 1024 377 7.267 0.159 0.518
-ntp2.inx.net.za 210.182.58.253 2 u 196 1024 377 7.333 0.139 0.135
-ntp5.inx.net.za 102.176.229.251 2 u 96 1024 377 7.536 0.099 0.249
#102.222.156.151 196.21.187.2 2 u 67m 1024 350 23.741 -0.643 0.786
-ntp2.nog.net.za 80.72.67.48 3 u 113 1024 377 7.586 0.143 0.989
-139.84.231.68 ( 196.21.187.2 2 u 47 1024 377 23.258 0.621 0.884
-ntp8.inx.net.za 102.176.229.251 2 u 301 1024 377 16.868 0.189 0.305
Sat Sep 5 17:25:04 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (4719GB)
200GB available in /atlas/red...OK (7903GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 5.8T 4.6T 56% /
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 5.9T 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 1.8T 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 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
Sat Sep 5 17:25:05 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
Sat Sep 5 17:25:05 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Sat Sep 5 17:25:05 SAST 2026 [elapsed=7 sec] SERVICES2
Sat Sep 5 17:25:05 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Sep 5 17:25:09 SAST 2026 [elapsed=11 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= 932kB time=00:00:29.82 bitrate= 256.0kbits/s speed=1.51e+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 Sep 5 17:28:25 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: 235.56 -29.49, az/alt=324.73 +86.49 idle(e) IDLE
Sat Sep 5 17:29:16 SAST 2026 [elapsed=258 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Sep 5 17:29:35 SAST 2026 [elapsed=277 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Sat Sep 5 17:29:35 SAST 2026 [elapsed=277 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (7 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.9C)
Checking CCD plane: Z0=+1697.00 DZDX=-889.00 DZDY=+2105.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Sep 5 17:29:35 SAST 2026 [elapsed=277 sec] WEATHER
status weather: C H 8.8C 84% 19/24kph@142 DP2.6C/9C/d IDLE
...OK
Sat Sep 5 17:29:36 SAST 2026 [elapsed=278 sec] MET
status...OK
met: c=N o=N Ro11h Co3h Wo18h Hx0 To79d Do5d wait H IDLE
Sat Sep 5 17:29:36 SAST 2026 [elapsed=278 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Sep 5 17:29:38 SAST 2026 [elapsed=280 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 264.47 -14.64, 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 -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 107 1.2%
A 0.081s 391 4.3%
A 0.111s 733 8.0%
A 0.141s 1189 13.0%
A 0.172s 1782 19.5%
A 0.202s 2466 26.9%
A 0.232s 3259 35.6%
A 0.263s 4163 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 7998 87.4%
A 0.444s 8467 92.5%
A 0.475s 8793 96.1%
A 0.505s 9021 98.5%
A 0.535s 9153 100.0%
B 0.020s 1 0.0%
B 0.050s 96 1.0%
B 0.081s 382 4.2%
B 0.111s 726 7.9%
B 0.141s 1196 13.1%
B 0.172s 1777 19.4%
B 0.202s 2466 26.9%
B 0.232s 3256 35.6%
B 0.263s 4166 45.5%
B 0.293s 5102 55.7%
B 0.323s 5992 65.5%
B 0.353s 6774 74.0%
B 0.384s 7436 81.2%
B 0.414s 8010 87.5%
B 0.444s 8457 92.4%
B 0.475s 8799 96.1%
B 0.505s 9028 98.6%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.050s 9070 99.1%
A 0.081s 8784 96.0%
A 0.111s 8427 92.1%
A 0.141s 7984 87.2%
A 0.172s 7394 80.8%
A 0.202s 6715 73.4%
A 0.232s 5925 64.7%
A 0.263s 4984 54.4%
A 0.293s 4044 44.2%
A 0.323s 3166 34.6%
A 0.353s 2378 26.0%
A 0.384s 1708 18.7%
A 0.414s 1147 12.5%
A 0.444s 697 7.6%
A 0.475s 355 3.9%
A 0.505s 128 1.4%
A 0.535s 13 0.1%
A 0.566s -7 0.0%
B 0.020s 9146 99.9%
B 0.050s 9034 98.7%
B 0.081s 8773 95.8%
B 0.111s 8422 92.0%
B 0.141s 7957 86.9%
B 0.172s 7381 80.6%
B 0.202s 6670 72.9%
B 0.232s 5869 64.1%
B 0.262s 4985 54.5%
B 0.293s 4052 44.3%
B 0.323s 3162 34.5%
B 0.353s 2384 26.0%
B 0.383s 1712 18.7%
B 0.414s 1141 12.5%
B 0.444s 695 7.6%
B 0.474s 356 3.9%
B 0.504s 128 1.4%
B 0.535s 11 0.1%
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 0.566 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=1.09e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9216 IDLE
Sat Sep 5 17:30:15 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:
123M Sep 5 17:30 /atlas/obs/03a/61289/03a61289e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Sep 5 17:30:37 SAST 2026 [elapsed=339 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (17 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Sep 5 17:30:37 SAST 2026 [elapsed=339 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61288.64627045|info|galildriver|using focus model: foc=9187+(4.30)*14.1+(-0.40)*60.2=9223.5
61288.64627546|info|galildriver|o 2 IN | cass: 3040760 15.20 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54002664 9216 um b=8f M [focus]
61288.64628560|info|galildriver|o 2 IN | cass: 3040759 15.20 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54002666 9216 um b=0f [cmd]
bestfocus for o...OK
Sat Sep 5 17:30:40 SAST 2026 [elapsed=342 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Sep 5 17:31:06 SAST 2026 [elapsed=368 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 Sep 5 17:31:07 SAST 2026 [elapsed=369 sec] NOTICES: det_dzdx=-889 is outside range +-250 from -558; det_dzdy=2105 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 Sep 5 17:31:07 SAST 2026 [elapsed=369 sec] Happy observing!
Sat Sep 5 17:31:07 SAST 2026 [elapsed=369 sec] Preflight took 369 seconds to complete.
Sat Sep 5 17:31:07 SAST 2026 [elapsed=369 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 0.051s 106 1.2% A 0.081s 375 4.1% A 0.111s 724 7.9% A 0.141s 1180 12.9% A 0.171s 1762 19.2% A 0.202s 2443 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.292s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7413 81.0% A 0.413s 7989 87.3% A 0.444s 8444 92.2% A 0.474s 8783 95.9% A 0.504s 9022 98.6% A 0.534s 9136 99.8% A 0.565s 9153 100.0% B 0.020s 2 0.0% B 0.050s 119 1.3% B 0.081s 390 4.3% B 0.111s 741 8.1% B 0.141s 1200 13.1% B 0.171s 1773 19.4% B 0.201s 2468 27.0% B 0.232s 3268 35.7% B 0.262s 4168 45.5% B 0.292s 5100 55.7% B 0.322s 5986 65.4% B 0.352s 6774 74.0% B 0.383s 7438 81.3% B 0.413s 8000 87.4% B 0.443s 8455 92.4% B 0.473s 8796 96.1% B 0.504s 9024 98.6% B 0.534s 9138 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9049 98.9% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 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 0.322s 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 358 3.9% A 0.504s 126 1.4% A 0.534s 13 0.1% A 0.565s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9020 98.5% B 0.081s 8772 95.8% B 0.111s 8423 92.0% B 0.141s 7954 86.9% B 0.171s 7381 80.6% B 0.202s 6692 73.1% B 0.232s 5893 64.4% B 0.262s 4979 54.4% B 0.292s 4084 44.6% B 0.323s 3194 34.9% B 0.353s 2393 26.1% B 0.383s 1704 18.6% B 0.413s 1145 12.5% B 0.444s 713 7.8% B 0.474s 364 4.0% B 0.504s 138 1.5% B 0.534s 15 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R