STH Recent Preflight: 61239
Executing preflight for 61239 at Fri Jul 17 16:53:22 SAST 2026.
Log can be found in /atlas/obs/03/61239/preflight.dat.
Setting donefile '/atlas/obs/03/61239/preflight_complete.20260717145322.2231' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260717145322.2231.
Fri Jul 17 16:53:22 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jul 17 16:53:23 SAST 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [a420e8b7-af55-488d-92af-d9f2c6a7dbd6;1800]
Fri Jul 17 16:53:23 SAST 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Jul 17 16:53:24 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Jul 17 16:53:24 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Fri Jul 17 16:53:24 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Fri Jul 17 16:53:24 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1784300002
OK
Fri Jul 17 16:53:24 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Fri Jul 17 16:53:24 SAST 2026 [elapsed=2 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
Fri Jul 17 16:53:25 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
Fri Jul 17 16:53:26 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Fri Jul 17 16:53:26 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Fri Jul 17 14:53:26 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 639 1024 377 1.024 0.095 0.036
+metbox2.sth.atl .PPS. 1 u 774 1024 377 0.259 0.077 0.021
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 848 1024 377 23.306 0.351 0.200
-ntp.as3741.net 210.182.58.253 2 u 849 1024 377 22.887 -0.014 0.081
+ntp2.as3741.net 155.232.19.7 2 u 236 1024 377 7.232 0.062 0.098
-ntp2.inx.net.za 183.3.52.101 2 u 1026 1024 377 7.385 0.163 0.068
-ntp5.inx.net.za 183.3.52.101 2 u 441 1024 377 7.424 0.031 0.051
#102.222.156.151 196.21.187.2 2 u 261 1024 377 24.662 0.261 0.577
-ntp2.nog.net.za 80.72.67.48 3 u 588 1024 377 7.493 0.135 0.125
-139.84.231.68 ( 196.21.187.2 2 u 477 1024 377 22.812 0.050 0.049
-ntp8.inx.net.za 183.3.52.101 2 u 483 1024 377 16.836 0.123 0.147
Fri Jul 17 16:53:29 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (5878GB)
200GB available in /atlas/red...OK (8836GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.7T 5.7T 46% /
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 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 5.0T 8.5T 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 1.9T 12T 14% /
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
Fri Jul 17 16:53:29 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
Fri Jul 17 16:53:29 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Fri Jul 17 16:53:29 SAST 2026 [elapsed=7 sec] SERVICES2
Fri Jul 17 16:53:29 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jul 17 16:53:33 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= 954x
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
Fri Jul 17 16:56:48 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: 178.35 -29.49, az/alt=324.82 +86.49 idle(e) IDLE
Fri Jul 17 16:57:39 SAST 2026 [elapsed=257 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jul 17 16:58:03 SAST 2026 [elapsed=281 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Fri Jul 17 16:58:03 SAST 2026 [elapsed=281 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (2 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.4C)
Checking CCD plane: Z0=+1719.00 DZDX=-894.00 DZDY=+2575.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Jul 17 16:58:03 SAST 2026 [elapsed=281 sec] WEATHER
status weather: C 13.4C 31% 16/25kph@9 DP15.7C/-36C/d IDLE
...OK
Fri Jul 17 16:58:04 SAST 2026 [elapsed=282 sec] MET
status...OK
met: c=N o=Y Ro18d Co6h Wo18d Ho4d To29d Do3d IDLE
Fri Jul 17 16:58:04 SAST 2026 [elapsed=282 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jul 17 16:58:06 SAST 2026 [elapsed=284 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 207.26 -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 7 0.1%
A 0.051s 107 1.2%
A 0.081s 392 4.3%
A 0.111s 733 8.0%
A 0.141s 1190 13.0%
A 0.172s 1782 19.5%
A 0.202s 2467 26.9%
A 0.232s 3260 35.6%
A 0.263s 4163 45.5%
A 0.293s 5117 55.9%
A 0.323s 5990 65.4%
A 0.353s 6779 74.1%
A 0.384s 7441 81.3%
A 0.414s 7999 87.4%
A 0.444s 8465 92.5%
A 0.475s 8793 96.1%
A 0.505s 9021 98.5%
A 0.535s 9151 100.0%
B 0.020s 0 0.0%
B 0.050s 90 1.0%
B 0.081s 373 4.1%
B 0.111s 713 7.8%
B 0.141s 1180 12.9%
B 0.172s 1756 19.2%
B 0.202s 2465 26.9%
B 0.232s 3258 35.6%
B 0.263s 4166 45.5%
B 0.293s 5104 55.8%
B 0.323s 5992 65.5%
B 0.353s 6751 73.7%
B 0.384s 7415 81.0%
B 0.414s 7994 87.3%
B 0.444s 8445 92.3%
B 0.474s 8788 96.0%
B 0.505s 9022 98.6%
B 0.535s 9142 99.9%
B 0.565s 9161 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.050s 9065 99.0%
A 0.081s 8772 95.8%
A 0.111s 8414 91.9%
A 0.141s 7969 87.1%
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 4043 44.2%
A 0.323s 3166 34.6%
A 0.353s 2377 26.0%
A 0.384s 1709 18.7%
A 0.414s 1147 12.5%
A 0.444s 697 7.6%
A 0.475s 355 3.9%
A 0.505s 129 1.4%
A 0.535s 13 0.1%
A 0.565s -6 0.0%
B 0.020s 9145 99.9%
B 0.050s 9034 98.7%
B 0.081s 8773 95.8%
B 0.111s 8422 92.0%
B 0.141s 7958 86.9%
B 0.172s 7381 80.6%
B 0.202s 6693 73.1%
B 0.232s 5897 64.4%
B 0.263s 4954 54.1%
B 0.293s 4021 43.9%
B 0.323s 3136 34.3%
B 0.353s 2361 25.8%
B 0.384s 1694 18.5%
B 0.414s 1123 12.3%
B 0.444s 685 7.5%
B 0.475s 345 3.8%
B 0.505s 123 1.3%
B 0.535s 11 0.1%
B 0.565s -5 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 0.535 seconds.
Shutter B opened to 100.0 percent in 0.565 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= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.13e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9190 IDLE
Fri Jul 17 16:58:42 SAST 2026 [elapsed=320 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Jul 17 16:59 /atlas/obs/03a/61239/03a61239e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jul 17 16:59:05 SAST 2026 [elapsed=343 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (46 seconds old)
OTA humidity level...OK (16%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jul 17 16:59:05 SAST 2026 [elapsed=343 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61238.62437106|info|galildriver|using focus model: foc=9187+(4.30)*16.1+(-0.40)*60.2=9232.1
61238.62437642|info|galildriver|o 2 IN | cass: 3044514 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53998110 9194 um b=8f M [focus]
61238.62438549|info|galildriver|o 2 IN | cass: 3044515 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54003321 9220 um b=8f M [focus]
61238.62439365|info|galildriver|o 2 IN | cass: 3044522 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54005836 9232 um b=0f [cmd]
bestfocus for o...OK
Fri Jul 17 16:59:08 SAST 2026 [elapsed=346 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jul 17 16:59:34 SAST 2026 [elapsed=372 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
Fri Jul 17 16:59:35 SAST 2026 [elapsed=373 sec] NOTICES: det_dzdx=-894 is outside range +-250 from -558; det_dzdy=2575 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Fri Jul 17 16:59:35 SAST 2026 [elapsed=373 sec] Happy observing!
Fri Jul 17 16:59:35 SAST 2026 [elapsed=373 sec] Preflight took 373 seconds to complete.
Fri Jul 17 16:59:35 SAST 2026 [elapsed=373 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 121 1.3% A 0.081s 385 4.2% A 0.111s 750 8.2% A 0.141s 1215 13.3% A 0.171s 1802 19.7% A 0.202s 2465 26.9% A 0.232s 3267 35.7% A 0.262s 4174 45.6% A 0.292s 5104 55.8% A 0.322s 5998 65.5% A 0.353s 6774 74.0% A 0.383s 7432 81.2% A 0.413s 8006 87.5% A 0.443s 8457 92.4% A 0.473s 8793 96.1% A 0.504s 9027 98.6% A 0.534s 9135 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 103 1.1% B 0.081s 370 4.0% B 0.111s 727 7.9% B 0.141s 1202 13.1% B 0.172s 1775 19.4% B 0.202s 2465 26.9% B 0.232s 3267 35.7% B 0.262s 4138 45.2% B 0.292s 5074 55.4% B 0.323s 5962 65.1% B 0.353s 6748 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.444s 8443 92.2% B 0.474s 8786 96.0% B 0.504s 9018 98.5% B 0.534s 9137 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9153 100.0% A 0.050s 9043 98.8% A 0.081s 8768 95.8% A 0.111s 8410 91.9% A 0.141s 7942 86.8% A 0.171s 7361 80.4% A 0.201s 6669 72.9% A 0.232s 5896 64.4% A 0.262s 4982 54.4% A 0.292s 4040 44.1% A 0.322s 3167 34.6% A 0.352s 2386 26.1% A 0.383s 1710 18.7% A 0.413s 1147 12.5% A 0.443s 693 7.6% A 0.473s 357 3.9% A 0.504s 125 1.4% A 0.534s 14 0.2% A 0.564s 0 0.0% B 0.020s 9144 99.9% B 0.050s 9020 98.5% B 0.081s 8762 95.7% B 0.111s 8421 92.0% B 0.141s 7953 86.9% B 0.172s 7357 80.4% B 0.202s 6691 73.1% B 0.232s 5865 64.1% B 0.262s 4980 54.4% B 0.292s 4053 44.3% B 0.323s 3161 34.5% B 0.353s 2395 26.2% B 0.383s 1705 18.6% B 0.413s 1145 12.5% B 0.444s 701 7.7% B 0.474s 355 3.9% B 0.504s 131 1.4% B 0.534s 14 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R