STH Recent Preflight: 61310
Executing preflight for 61310 at Sat Sep 26 17:38:08 SAST 2026.
Log can be found in /atlas/obs/03/61310/preflight.dat.
Setting donefile '/atlas/obs/03/61310/preflight_complete.20260926153808.25962' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260926153808.25962.
Sat Sep 26 17:38:08 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Sep 26 17:38:08 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [c5689bcd-569e-4de7-850d-4c25fe9d9451;1800]
Sat Sep 26 17:38:08 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat Sep 26 17:38:09 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Sep 26 17:38:09 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sat Sep 26 17:38:09 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Sep 26 17:38:09 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1790437085
OK
Sat Sep 26 17:38:09 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Sep 26 17:38:09 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 26 17:38:10 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 26 17:38:11 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Sep 26 17:38:11 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sat Sep 26 15:38:11 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 371 1024 377 1.057 0.011 0.016
+metbox2.sth.atl .PPS. 1 u 528 1024 377 0.301 0.028 0.046
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 822 1024 377 23.223 1.298 0.669
-ntp.as3741.net 155.232.19.6 2 u 446 1024 377 22.825 -0.105 0.151
-ntp2.as3741.net 155.232.19.6 2 u 721 1024 377 7.258 0.052 0.181
-ntp2.inx.net.za 183.3.52.101 2 u 534 1024 377 7.386 0.054 0.185
+ntp2.nog.net.za 80.72.67.48 3 u 744 1024 377 7.467 0.042 0.044
-139.84.231.68 ( 196.21.187.2 2 u 950 1024 377 22.852 0.043 0.195
-ntp7.inx.net.za 102.176.229.251 2 u 124 1024 377 16.538 0.501 0.320
-tick.sanren.ac. .TC. 1 u 698 1024 377 23.147 0.089 0.483
Sat Sep 26 17:38:13 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6027GB)
200GB available in /atlas/red...OK (9292GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.5T 5.8T 44% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
admin:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/sda2 117G 22G 89G 20% /
archon:/dev/loop0 106M 106M 0 100% /snap/core/17284
archon:/dev/loop1 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 4.5T 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 1.8T 12T 13% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
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/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Sat Sep 26 17:38:13 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 Sep 26 17:38:13 SAST 2026 [elapsed=5 sec] Disabling mount tracking.
Sat Sep 26 17:38:13 SAST 2026 [elapsed=5 sec] SERVICES2
Sat Sep 26 17:38:13 SAST 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Sep 26 17:38:17 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= 914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.4e+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 26 17:41:34 SAST 2026 [elapsed=206 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: 259.55 -29.49, az/alt=324.73 +86.49 idle(e) IDLE
Sat Sep 26 17:42:25 SAST 2026 [elapsed=257 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Sep 26 17:42:45 SAST 2026 [elapsed=277 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=42.9 IDLE
Sat Sep 26 17:42:45 SAST 2026 [elapsed=277 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (8 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.5C)
Checking CCD plane: Z0=+1725.00 DZDX=-932.00 DZDY=+2739.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Sep 26 17:42:45 SAST 2026 [elapsed=277 sec] WEATHER
status weather: C H 13.6C 80% 10/15kph@197 DP2.3C/-45C/d IDLE
...OK
Sat Sep 26 17:42:46 SAST 2026 [elapsed=278 sec] MET
status...OK
met: c=N o=N Ro2h Cx0 Wo2d Ho31 To2d Do1d wait C IDLE
Sat Sep 26 17:42:46 SAST 2026 [elapsed=278 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Sep 26 17:42:48 SAST 2026 [elapsed=280 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 288.47 -14.63, az/alt=59.90 +60.06 tracking(w) IDLE 1s
A 10181 310.7mm 39 N - R | B -271 -8.3mm 43 N F -
initialized motor A constants
initialized motor B constants
A 10181 310.7mm 39 N - R | B -271 -8.3mm 43 N F -
A 0.020s 10174 111.1%
A 0.051s 10094 110.3%
A 0.081s 9792 107.0%
A 0.111s 9444 103.2%
A 0.142s 9001 98.3%
A 0.172s 8398 91.7%
A 0.202s 7719 84.3%
A 0.233s 6929 75.7%
A 0.263s 6006 65.6%
A 0.294s 5071 55.4%
A 0.324s 4146 45.3%
A 0.355s 3220 35.2%
A 0.385s 2418 26.4%
A 0.415s 1771 19.3%
A 0.446s 1180 12.9%
A 0.476s 722 7.9%
A 0.507s 378 4.1%
A 0.537s 135 1.5%
A 0.567s 16 0.2%
A 0.597s 0 0.0%
B 0.020s -268 0.0%
A 0 0.0mm 15 N F R | B 9 0.3mm 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 108 1.2%
A 0.081s 391 4.3%
A 0.111s 735 8.0%
A 0.142s 1189 13.0%
A 0.172s 1803 19.7%
A 0.203s 2490 27.2%
A 0.233s 3285 35.9%
A 0.263s 4196 45.8%
A 0.294s 5142 56.2%
A 0.324s 6019 65.8%
A 0.354s 6805 74.3%
A 0.385s 7457 81.5%
A 0.415s 8033 87.8%
A 0.446s 8493 92.8%
A 0.476s 8809 96.2%
A 0.506s 9034 98.7%
A 0.537s 9158 100.0%
B 0.020s 1 0.0%
B 0.051s 97 1.1%
B 0.081s 384 4.2%
B 0.111s 728 8.0%
B 0.142s 1197 13.1%
B 0.172s 1777 19.4%
B 0.203s 2463 26.9%
B 0.233s 3257 35.6%
B 0.263s 4167 45.5%
B 0.294s 5130 56.0%
B 0.324s 6021 65.8%
B 0.354s 6795 74.2%
B 0.385s 7456 81.5%
B 0.415s 8027 87.7%
B 0.445s 8468 92.5%
B 0.476s 8808 96.2%
B 0.506s 9034 98.7%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9065 99.0%
A 0.081s 8772 95.8%
A 0.111s 8415 91.9%
A 0.141s 7968 87.0%
A 0.172s 7373 80.5%
A 0.202s 6692 73.1%
A 0.232s 5897 64.4%
A 0.263s 4983 54.4%
A 0.293s 4045 44.2%
A 0.323s 3164 34.6%
A 0.353s 2376 26.0%
A 0.384s 1711 18.7%
A 0.414s 1146 12.5%
A 0.444s 698 7.6%
A 0.475s 356 3.9%
A 0.505s 128 1.4%
A 0.535s 13 0.1%
A 0.565s -7 0.0%
B 0.020s 9144 99.9%
B 0.050s 9026 98.6%
B 0.081s 8763 95.7%
B 0.111s 8410 91.9%
B 0.141s 7940 86.7%
B 0.171s 7359 80.4%
B 0.202s 6671 72.9%
B 0.232s 5869 64.1%
B 0.262s 4955 54.1%
B 0.293s 4022 43.9%
B 0.323s 3136 34.3%
B 0.353s 2361 25.8%
B 0.383s 1693 18.5%
B 0.413s 1125 12.3%
B 0.444s 683 7.5%
B 0.474s 346 3.8%
B 0.504s 122 1.3%
B 0.535s 9 0.1%
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 0.537 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.0 percent in 0.565 seconds.
Shutter B closed to 0.1 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 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=9228 IDLE
Sat Sep 26 17:43:25 SAST 2026 [elapsed=317 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=42.9 IDLE
taking preflight exposures:
acam...OK
acam image:
132M Sep 26 17:43 /atlas/obs/03a/61310/03a61310e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Sep 26 17:43:47 SAST 2026 [elapsed=339 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (20 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Sep 26 17:43:47 SAST 2026 [elapsed=339 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61309.65541803|info|galildriver|using focus model: foc=9187+(4.30)*16.5+(-0.40)*60.2=9233.9
61309.65542304|info|galildriver|o 2 IN | cass: 3038792 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005129 9229 um b=8f M [focus]
61309.65543317|info|galildriver|o 2 IN | cass: 3038796 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005125 9229 um b=0f [cmd]
bestfocus for o...OK
Sat Sep 26 17:43:50 SAST 2026 [elapsed=342 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Sep 26 17:44:16 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 26 17:44:17 SAST 2026 [elapsed=369 sec] NOTICES: det_dzdx=-932 is outside range +-250 from -558; det_dzdy=2739 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 26 17:44:17 SAST 2026 [elapsed=369 sec] Happy observing!
Sat Sep 26 17:44:17 SAST 2026 [elapsed=369 sec] Preflight took 369 seconds to complete.
Sat Sep 26 17:44:17 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 0.050s 115 1.3% A 0.081s 385 4.2% A 0.111s 724 7.9% A 0.141s 1180 12.9% A 0.171s 1762 19.2% A 0.201s 2441 26.7% A 0.232s 3239 35.4% A 0.262s 4144 45.3% A 0.292s 5073 55.4% A 0.322s 5971 65.2% A 0.353s 6751 73.7% A 0.383s 7413 81.0% A 0.413s 7990 87.3% A 0.443s 8445 92.3% A 0.474s 8784 96.0% A 0.504s 9021 98.5% A 0.534s 9136 99.8% A 0.564s 9154 100.0% B 0.020s 1 0.0% B 0.050s 106 1.2% B 0.081s 370 4.0% B 0.111s 713 7.8% B 0.141s 1186 13.0% B 0.171s 1751 19.1% B 0.201s 2442 26.7% B 0.232s 3242 35.4% B 0.262s 4135 45.2% B 0.292s 5073 55.4% B 0.322s 5933 64.8% B 0.352s 6726 73.5% B 0.383s 7401 80.8% B 0.413s 7968 87.0% B 0.443s 8430 92.1% B 0.474s 8776 95.9% B 0.504s 9012 98.4% B 0.534s 9134 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9050 98.9% A 0.081s 8778 95.9% A 0.111s 8420 92.0% A 0.141s 7959 86.9% A 0.171s 7380 80.6% A 0.202s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4982 54.4% A 0.293s 4038 44.1% A 0.323s 3167 34.6% A 0.353s 2386 26.1% A 0.383s 1711 18.7% A 0.414s 1147 12.5% A 0.444s 692 7.6% A 0.474s 359 3.9% A 0.504s 125 1.4% A 0.535s 14 0.2% 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 0.201s 6691 73.1% B 0.232s 5892 64.4% B 0.262s 4980 54.4% B 0.292s 4056 44.3% B 0.322s 3166 34.6% B 0.353s 2393 26.1% B 0.383s 1701 18.6% B 0.413s 1146 12.5% B 0.443s 699 7.6% B 0.474s 357 3.9% B 0.504s 132 1.4% B 0.534s 14 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R