STH Recent Preflight: 61216
Executing preflight for 61216 at Wed Jun 24 16:42:45 SAST 2026.
Log can be found in /atlas/obs/03/61216/preflight.dat.
Setting donefile '/atlas/obs/03/61216/preflight_complete.20260624144245.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260624144245.13534.
Wed Jun 24 16:42:45 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Jun 24 16:42:45 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [0bacde3c-994c-40ce-8abf-95b2476ce32c;1800]
Wed Jun 24 16:42:45 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Wed Jun 24 16:42:46 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Jun 24 16:42:46 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Wed Jun 24 16:42:46 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Jun 24 16:42:46 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782312161
OK
Wed Jun 24 16:42:46 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Jun 24 16:42:46 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
Wed Jun 24 16:42:48 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
Wed Jun 24 16:42:48 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Wed Jun 24 16:42:48 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Wed Jun 24 14:42:48 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 41m 1024 374 1.052 0.036 0.031
*metbox2.sth.atl .PPS. 1 u 513 1024 377 0.304 -0.006 0.025
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 843 1024 377 23.312 0.340 0.275
-ntp.as3741.net 210.182.58.253 2 u 67 1024 377 22.921 -0.121 3.649
-ntp2.as3741.net 155.232.19.7 2 u 176 1024 377 7.230 -0.166 0.073
-ntp2.inx.net.za 210.182.58.253 2 u 265 1024 377 7.270 -0.023 0.064
-ntp5.inx.net.za 183.3.52.101 2 u 1054 1024 377 7.447 -0.061 0.467
#102.222.156.151 196.21.187.2 2 u 668 1024 377 23.432 -0.306 0.807
+102.222.103.99 80.72.67.48 3 u 625 1024 377 7.475 0.084 0.088
-139.84.231.68 ( 196.21.187.2 2 u 396 1024 377 22.756 -0.048 0.074
-ntp8.inx.net.za 210.182.58.253 2 u 293 1024 377 16.983 -0.054 0.163
Wed Jun 24 16:42:50 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6267GB)
200GB available in /atlas/red...OK (9479GB)
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 4.4T 9.1T 33% /
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
Wed Jun 24 16:42:51 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
Wed Jun 24 16:42:51 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Wed Jun 24 16:42:51 SAST 2026 [elapsed=6 sec] SERVICES2
Wed Jun 24 16:42:51 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Jun 24 16:42:55 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= 926kB time=00:00:29.63 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
Wed Jun 24 16:46:13 SAST 2026 [elapsed=208 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: 153.03 -29.49, az/alt=324.82 +86.49 idle(e) IDLE
Wed Jun 24 16:47:04 SAST 2026 [elapsed=259 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Jun 24 16:47:23 SAST 2026 [elapsed=278 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Wed Jun 24 16:47:23 SAST 2026 [elapsed=278 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 (-54.8C)
Checking CCD plane: Z0=+1677.00 DZDX=-889.00 DZDY=+1640.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Jun 24 16:47:23 SAST 2026 [elapsed=278 sec] WEATHER
status weather: clear 8.6C 73% 17/22kph@98 DP4.4C/-11C/d IDLE
...OK
Wed Jun 24 16:47:24 SAST 2026 [elapsed=279 sec] MET
status...OK
met: c=N o=Y Ro1d Co6h Wo6d Ho9h To6d Do5d IDLE
Wed Jun 24 16:47:24 SAST 2026 [elapsed=279 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Jun 24 16:47:24 SAST 2026 [elapsed=279 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 181.94 -14.63, az/alt=59.91 +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 8 0.1%
A 0.051s 106 1.2%
A 0.081s 380 4.2%
A 0.111s 722 7.9%
A 0.141s 1171 12.8%
A 0.171s 1762 19.2%
A 0.202s 2444 26.7%
A 0.232s 3229 35.3%
A 0.262s 4131 45.1%
A 0.292s 5088 55.6%
A 0.323s 5963 65.1%
A 0.353s 6757 73.8%
A 0.383s 7420 81.1%
A 0.413s 7983 87.2%
A 0.444s 8452 92.3%
A 0.474s 8786 96.0%
A 0.504s 9015 98.5%
A 0.534s 9150 100.0%
B 0.020s 1 0.0%
B 0.051s 97 1.1%
B 0.081s 381 4.2%
B 0.111s 727 7.9%
B 0.141s 1213 13.3%
B 0.172s 1776 19.4%
B 0.202s 2464 26.9%
B 0.232s 3284 35.9%
B 0.263s 4198 45.9%
B 0.293s 5131 56.1%
B 0.323s 6020 65.8%
B 0.353s 6796 74.2%
B 0.384s 7455 81.4%
B 0.414s 8027 87.7%
B 0.444s 8467 92.5%
B 0.475s 8808 96.2%
B 0.505s 9036 98.7%
B 0.535s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9065 99.0%
A 0.081s 8774 95.8%
A 0.111s 8415 91.9%
A 0.141s 7969 87.1%
A 0.172s 7375 80.6%
A 0.202s 6691 73.1%
A 0.232s 5897 64.4%
A 0.262s 4982 54.4%
A 0.293s 4045 44.2%
A 0.323s 3168 34.6%
A 0.353s 2375 25.9%
A 0.384s 1706 18.6%
A 0.414s 1147 12.5%
A 0.444s 698 7.6%
A 0.474s 354 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 8774 95.8%
B 0.111s 8425 92.0%
B 0.141s 7959 86.9%
B 0.171s 7379 80.6%
B 0.202s 6695 73.1%
B 0.232s 5896 64.4%
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 1713 18.7%
B 0.414s 1140 12.5%
B 0.444s 696 7.6%
B 0.474s 356 3.9%
B 0.504s 127 1.4%
B 0.535s 11 0.1%
B 0.565s -6 0.0%
A 0 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 0.534 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=1.14e+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
Wed Jun 24 16:48:01 SAST 2026 [elapsed=316 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 24 16:48 /atlas/obs/03a/61216/03a61216e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Jun 24 16:48:24 SAST 2026 [elapsed=339 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (35 seconds old)
OTA humidity level...OK (18%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Jun 24 16:48:24 SAST 2026 [elapsed=339 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61215.61695351|info|galildriver|using focus model: foc=9187+(4.30)*12.9+(-0.40)*60.2=9218.4
61215.61695888|info|galildriver|o 2 IN | cass: 3047941 15.24 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54000600 9206 um b=8f M [focus]
61215.61696718|info|galildriver|o 2 IN | cass: 3047942 15.24 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54002949 9218 um b=8f M [focus]
61215.61697280|info|galildriver|o 2 IN | cass: 3047947 15.24 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54003033 9218 um b=0f [cmd]
bestfocus for o...OK
Wed Jun 24 16:48:26 SAST 2026 [elapsed=341 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Jun 24 16:48:52 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
Wed Jun 24 16:48:54 SAST 2026 [elapsed=369 sec] NOTICES: det_dzdx=-889 is outside range +-250 from -558; det_dzdy=1640 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Wed Jun 24 16:48:54 SAST 2026 [elapsed=369 sec] Happy observing!
Wed Jun 24 16:48:54 SAST 2026 [elapsed=369 sec] Preflight took 369 seconds to complete.
Wed Jun 24 16:48:54 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 2 0.0% A 0.050s 108 1.2% A 0.081s 375 4.1% A 0.111s 722 7.9% A 0.141s 1181 12.9% A 0.172s 1761 19.2% A 0.202s 2441 26.7% A 0.232s 3238 35.4% A 0.262s 4144 45.3% A 0.293s 5075 55.4% A 0.323s 5969 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 8784 96.0% A 0.504s 9022 98.6% A 0.535s 9136 99.8% A 0.565s 9153 100.0% B 0.020s 1 0.0% B 0.050s 103 1.1% B 0.081s 368 4.0% B 0.111s 713 7.8% B 0.141s 1186 13.0% B 0.171s 1752 19.1% B 0.201s 2440 26.7% B 0.232s 3240 35.4% B 0.262s 4105 44.8% B 0.292s 5072 55.4% B 0.322s 5934 64.8% B 0.352s 6724 73.5% B 0.383s 7400 80.8% B 0.413s 7969 87.1% B 0.443s 8430 92.1% B 0.473s 8778 95.9% B 0.504s 9011 98.4% B 0.534s 9135 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9051 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.172s 7381 80.6% A 0.202s 6692 73.1% A 0.232s 5895 64.4% A 0.262s 4981 54.4% A 0.293s 4038 44.1% A 0.323s 3166 34.6% A 0.353s 2386 26.1% A 0.383s 1710 18.7% A 0.413s 1147 12.5% A 0.444s 694 7.6% A 0.474s 358 3.9% A 0.504s 126 1.4% A 0.534s 14 0.2% A 0.564s 1 0.0% B 0.020s 9145 99.9% B 0.050s 9018 98.5% B 0.080s 8771 95.8% B 0.111s 8433 92.1% B 0.141s 7953 86.9% B 0.171s 7399 80.8% B 0.201s 6714 73.3% B 0.232s 5921 64.7% B 0.262s 5011 54.7% B 0.292s 4082 44.6% B 0.322s 3190 34.8% B 0.353s 2419 26.4% B 0.383s 1723 18.8% B 0.413s 1162 12.7% B 0.443s 712 7.8% B 0.474s 364 4.0% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R