STH Recent Preflight: 61196
Executing preflight for 61196 at Thu Jun 4 16:41:37 SAST 2026.
Log can be found in /atlas/obs/03/61196/preflight.dat.
Setting donefile '/atlas/obs/03/61196/preflight_complete.20260604144137.11042' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260604144137.11042.
Thu Jun 4 16:41:37 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Jun 4 16:41:37 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [2f324b7b-73aa-409d-8b28-002eeb204cf7;1800]
Thu Jun 4 16:41:37 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Thu Jun 4 16:41:38 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Thu Jun 4 16:41:38 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Thu Jun 4 16:41:38 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Jun 4 16:41:38 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1780584097
OK
Thu Jun 4 16:41:38 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Jun 4 16:41:38 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
Thu Jun 4 16:41:39 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
Thu Jun 4 16:41:40 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Jun 4 16:41:40 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Thu Jun 4 14:41:40 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 108m 1024 300 1.028 -0.206 0.154
*metbox2.sth.atl .PPS. 1 u 273 1024 377 0.298 -0.132 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 126 1024 377 23.199 -0.077 0.340
+ntp.as3741.net 210.182.58.253 2 u 60 1024 377 23.240 -0.426 0.488
+ntp2.as3741.net 129.134.26.123 2 u 844 1024 377 7.234 -0.183 0.133
-ntp2.inx.net.za 183.3.52.101 2 u 204 1024 377 7.286 0.002 0.101
102.222.100.153 196.21.187.2 2 u 36d 1024 0 7.937 0.836 0.000
-ntp5.inx.net.za 102.176.229.251 2 u 180 1024 377 7.566 -0.195 0.176
-flipping.cloudh 181.248.48.166 2 u 41 1024 377 7.801 0.139 0.545
102.216.37.99 ( 210.182.58.253 2 u 122d 1024 0 73.586 -0.040 0.000
-jnb.clearnet.pw 183.3.52.101 2 u 117 1024 357 22.775 2.072 2.989
Thu Jun 4 16:41:43 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6025GB)
200GB available in /atlas/red...OK (8934GB)
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/loop2 106M 106M 0 100% /snap/core/17284
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/sda2 117G 21G 91G 19% /
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/loop0 106M 106M 0 100% /snap/core/17292
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 4.9T 8.6T 37% /
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/loop1 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 740G 13T 6% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17292
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
Thu Jun 4 16:41:43 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
Thu Jun 4 16:41:43 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Thu Jun 4 16:41:43 SAST 2026 [elapsed=6 sec] SERVICES2
Thu Jun 4 16:41:43 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 2.9/3.0C ? chiller=ON dryer=? IDLE
Thu Jun 4 16:41:47 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= 920kB time=00:00:29.44 bitrate= 256.0kbits/s speed=1.41e+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
Thu Jun 4 16:45:06 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: 133.05 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Thu Jun 4 16:46:04 SAST 2026 [elapsed=267 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Jun 4 16:46:25 SAST 2026 [elapsed=288 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Thu Jun 4 16:46:25 SAST 2026 [elapsed=288 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (5 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-55.9C)
Checking CCD plane: Z0=+1623.00 DZDX=-871.00 DZDY=+402.00
acam: -56C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Jun 4 16:46:25 SAST 2026 [elapsed=288 sec] WEATHER
status weather: C+ H+ 2.2C 93% 17/24kph@220 DP0.9C/-3C/d IDLE
...OK
Thu Jun 4 16:46:26 SAST 2026 [elapsed=289 sec] MET
status...OK
met: c=Y o=N Ro3h Cx19h Wo14d Hx1d To14d Do1d wait CH IDLE
Thu Jun 4 16:46:26 SAST 2026 [elapsed=289 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Jun 4 16:46:28 SAST 2026 [elapsed=291 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 161.98 -14.63, 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 111 1.2%
A 0.081s 397 4.3%
A 0.111s 745 8.1%
A 0.141s 1207 13.2%
A 0.172s 1800 19.7%
A 0.202s 2489 27.2%
A 0.232s 3287 35.9%
A 0.263s 4192 45.8%
A 0.293s 5146 56.2%
A 0.323s 6018 65.7%
A 0.353s 6802 74.3%
A 0.384s 7457 81.5%
A 0.414s 8019 87.6%
A 0.444s 8478 92.6%
A 0.474s 8803 96.2%
A 0.505s 9030 98.6%
A 0.535s 9154 100.0%
B 0.020s 2 0.0%
B 0.050s 103 1.1%
B 0.081s 376 4.1%
B 0.111s 725 7.9%
B 0.141s 1195 13.1%
B 0.171s 1773 19.4%
B 0.202s 2464 26.9%
B 0.232s 3256 35.6%
B 0.262s 4165 45.5%
B 0.292s 5104 55.8%
B 0.323s 5990 65.4%
B 0.353s 6774 74.0%
B 0.383s 7438 81.3%
B 0.414s 8011 87.5%
B 0.444s 8457 92.4%
B 0.474s 8799 96.1%
B 0.504s 9033 98.7%
B 0.535s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9066 99.0%
A 0.081s 8778 95.9%
A 0.111s 8416 91.9%
A 0.141s 7969 87.1%
A 0.172s 7376 80.6%
A 0.202s 6693 73.1%
A 0.232s 5895 64.4%
A 0.262s 4984 54.4%
A 0.293s 4045 44.2%
A 0.323s 3164 34.6%
A 0.353s 2380 26.0%
A 0.384s 1705 18.6%
A 0.414s 1145 12.5%
A 0.444s 699 7.6%
A 0.474s 362 4.0%
A 0.505s 128 1.4%
A 0.535s 11 0.1%
A 0.566s -9 0.0%
B 0.020s 9144 99.9%
B 0.051s 9031 98.7%
B 0.081s 8768 95.8%
B 0.111s 8415 91.9%
B 0.142s 7944 86.8%
B 0.172s 7360 80.4%
B 0.202s 6671 72.9%
B 0.233s 5871 64.1%
B 0.263s 4954 54.1%
B 0.293s 4021 43.9%
B 0.323s 3136 34.3%
B 0.354s 2360 25.8%
B 0.384s 1692 18.5%
B 0.414s 1122 12.3%
B 0.445s 683 7.5%
B 0.475s 345 3.8%
B 0.505s 120 1.3%
B 0.535s 7 0.1%
A 0 0.0mm 15 N F R | B -8 -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 0.1 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.05e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9195 IDLE
Thu Jun 4 16:47:09 SAST 2026 [elapsed=332 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 Jun 4 16:47 /atlas/obs/03a/61196/03a61196e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Jun 4 16:47:32 SAST 2026 [elapsed=355 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (15 seconds old)
OTA humidity level...OK (7%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Jun 4 16:47:32 SAST 2026 [elapsed=355 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61195.61635124|info|galildriver|using focus model: foc=9187+(4.30)*7.4+(-0.40)*60.2=9194.7
61195.61635614|info|galildriver|o 2 IN | cass: 3052106 15.26 mm b=23 move=NO | arm: 408733 475.83 mm b=03 move=OK | foc: 53998423 9195 um b=2f [cmd]
bestfocus for o...OK
Thu Jun 4 16:47:34 SAST 2026 [elapsed=357 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Jun 4 16:48:03 SAST 2026 [elapsed=386 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
Thu Jun 4 16:48:05 SAST 2026 [elapsed=388 sec] NOTICES: det_dzdx=-871 is outside range +-250 from -558; det_dzdy=402 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Thu Jun 4 16:48:05 SAST 2026 [elapsed=388 sec] Happy observing!
Thu Jun 4 16:48:05 SAST 2026 [elapsed=388 sec] Preflight took 388 seconds to complete.
Thu Jun 4 16:48:05 SAST 2026 [elapsed=388 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 107 1.2% A 0.081s 375 4.1% A 0.111s 723 7.9% A 0.141s 1179 12.9% A 0.172s 1762 19.2% A 0.202s 2443 26.7% A 0.232s 3239 35.4% A 0.263s 4144 45.3% A 0.293s 5073 55.4% A 0.323s 5970 65.2% A 0.353s 6753 73.8% A 0.383s 7413 81.0% A 0.414s 7988 87.3% A 0.444s 8445 92.3% A 0.474s 8783 95.9% A 0.504s 9021 98.5% A 0.545s 9151 100.0% B 0.020s 1 0.0% B 0.051s 122 1.3% B 0.081s 387 4.2% B 0.111s 743 8.1% B 0.141s 1219 13.3% B 0.172s 1796 19.6% B 0.202s 2493 27.2% B 0.232s 3295 36.0% B 0.262s 4198 45.9% B 0.293s 5133 56.1% B 0.323s 6017 65.7% B 0.353s 6796 74.2% B 0.383s 7457 81.5% B 0.414s 8018 87.6% B 0.444s 8468 92.5% B 0.474s 8804 96.2% B 0.504s 9028 98.6% B 0.535s 9141 99.9% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9043 98.8% A 0.081s 8767 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.171s 7359 80.4% A 0.202s 6668 72.8% A 0.232s 5866 64.1% A 0.262s 4950 54.1% A 0.293s 4010 43.8% A 0.323s 3139 34.3% A 0.353s 2363 25.8% A 0.383s 1690 18.5% A 0.414s 1130 12.3% A 0.444s 681 7.4% A 0.474s 349 3.8% A 0.504s 119 1.3% A 0.535s 12 0.1% A 0.565s 2 0.0% B 0.020s 9142 99.9% B 0.050s 9013 98.5% B 0.081s 8763 95.7% B 0.111s 8409 91.9% B 0.141s 7936 86.7% B 0.171s 7358 80.4% B 0.202s 6667 72.8% B 0.232s 5866 64.1% B 0.262s 4951 54.1% B 0.292s 4023 43.9% B 0.323s 3139 34.3% B 0.353s 2367 25.9% B 0.383s 1682 18.4% B 0.414s 1133 12.4% B 0.444s 686 7.5% B 0.474s 348 3.8% B 0.504s 127 1.4% B 0.535s 12 0.1% B 0.565s 1 0.0% A 1 0.0mm 15 N F R | B 1 0.0mm 15 N F R