STH Recent Preflight: 61232
Executing preflight for 61232 at Fri Jul 10 16:49:30 SAST 2026.
Log can be found in /atlas/obs/03/61232/preflight.dat.
Setting donefile '/atlas/obs/03/61232/preflight_complete.20260710144930.2231' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260710144930.2231.
Fri Jul 10 16:49:30 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jul 10 16:49:30 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [13ca8b89-fc99-4cf8-a177-e9f0652898c0;1800]
Fri Jul 10 16:49:30 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Fri Jul 10 16:49:31 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Fri Jul 10 16:49:31 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jul 10 16:49:31 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jul 10 16:49:31 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1783694963
OK
Fri Jul 10 16:49:31 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jul 10 16:49:31 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
Fri Jul 10 16:49:33 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 10 16:49:33 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Jul 10 16:49:33 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Fri Jul 10 14:49:33 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 22 1024 377 1.042 0.130 0.061
+metbox2.sth.atl .PPS. 1 u 1027 1024 377 0.259 0.132 0.093
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 36 1024 377 23.288 0.534 0.180
-ntp.as3741.net 210.182.58.253 2 u 838 1024 377 22.862 -0.017 2.052
+ntp2.as3741.net 155.232.19.7 2 u 334 1024 377 7.258 0.153 0.204
-ntp2.inx.net.za 210.182.58.253 2 u 1059 1024 377 7.330 0.177 0.093
-ntp5.inx.net.za 102.176.229.251 2 u 650 1024 377 7.537 0.018 0.088
-102.222.156.151 196.21.187.2 2 u 1029 1024 377 23.399 0.003 0.207
+ntp2.nog.net.za 80.72.67.48 3 u 670 1024 377 7.537 0.171 0.086
+139.84.231.68 ( 196.21.187.2 2 u 243 1024 377 22.845 0.137 0.042
#ntp8.inx.net.za 102.176.229.251 2 u 160 1024 377 16.886 0.548 0.064
Fri Jul 10 16:49:37 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (5958GB)
200GB available in /atlas/red...OK (8891GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.6T 5.7T 45% /
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 4.9T 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 15% /
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 10 16:49:37 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 10 16:49:37 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Fri Jul 10 16:49:37 SAST 2026 [elapsed=7 sec] SERVICES2
Fri Jul 10 16:49:37 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jul 10 16:49:41 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= 914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.46e+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
Fri Jul 10 16:51:16 SAST 2026 [elapsed=106 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: 170.23 -29.49, az/alt=324.74 +86.49 idle(e) IDLE
Fri Jul 10 16:52:46 SAST 2026 [elapsed=196 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jul 10 16:53:06 SAST 2026 [elapsed=216 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=41.7 IDLE
Fri Jul 10 16:53:06 SAST 2026 [elapsed=216 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=+1713.00 DZDX=-878.00 DZDY=+2470.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Jul 10 16:53:06 SAST 2026 [elapsed=216 sec] WEATHER
status weather: C 7.9C 74% 10/12kph@176 DP3.2C/-49C/d IDLE
...OK
Fri Jul 10 16:53:07 SAST 2026 [elapsed=217 sec] MET
status...OK
met: c=N o=Y Ro11d Co7d Wo11d Ho7d To22d Do9h IDLE
Fri Jul 10 16:53:07 SAST 2026 [elapsed=217 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jul 10 16:53:07 SAST 2026 [elapsed=217 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 199.14 -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 8 0.1%
A 0.051s 108 1.2%
A 0.081s 392 4.3%
A 0.111s 733 8.0%
A 0.142s 1189 13.0%
A 0.172s 1782 19.5%
A 0.202s 2466 26.9%
A 0.233s 3260 35.6%
A 0.263s 4164 45.5%
A 0.293s 5116 55.9%
A 0.323s 5989 65.4%
A 0.353s 6780 74.1%
A 0.384s 7440 81.3%
A 0.414s 7998 87.4%
A 0.444s 8466 92.5%
A 0.475s 8793 96.1%
A 0.505s 9021 98.5%
A 0.535s 9151 100.0%
B 0.020s 1 0.0%
B 0.050s 96 1.0%
B 0.081s 384 4.2%
B 0.111s 726 7.9%
B 0.141s 1196 13.1%
B 0.172s 1779 19.4%
B 0.202s 2465 26.9%
B 0.232s 3257 35.6%
B 0.263s 4167 45.5%
B 0.293s 5102 55.7%
B 0.323s 5992 65.5%
B 0.354s 6774 74.0%
B 0.384s 7435 81.2%
B 0.414s 8009 87.5%
B 0.445s 8456 92.4%
B 0.475s 8799 96.1%
B 0.505s 9029 98.6%
B 0.536s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9066 99.0%
A 0.081s 8774 95.8%
A 0.111s 8413 91.9%
A 0.141s 7986 87.2%
A 0.171s 7395 80.8%
A 0.201s 6715 73.4%
A 0.232s 5924 64.7%
A 0.262s 5013 54.8%
A 0.292s 4073 44.5%
A 0.322s 3192 34.9%
A 0.353s 2402 26.2%
A 0.383s 1729 18.9%
A 0.413s 1164 12.7%
A 0.444s 711 7.8%
A 0.474s 364 4.0%
A 0.504s 135 1.5%
A 0.534s 15 0.2%
A 0.565s -7 0.0%
B 0.020s 9145 99.9%
B 0.050s 9033 98.7%
B 0.081s 8773 95.8%
B 0.111s 8424 92.0%
B 0.141s 7958 86.9%
B 0.172s 7380 80.6%
B 0.202s 6694 73.1%
B 0.232s 5897 64.4%
B 0.262s 4984 54.4%
B 0.293s 4051 44.3%
B 0.323s 3163 34.6%
B 0.353s 2384 26.0%
B 0.383s 1713 18.7%
B 0.414s 1139 12.4%
B 0.444s 697 7.6%
B 0.474s 355 3.9%
B 0.504s 133 1.5%
B 0.535s 13 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 0.536 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=1.21e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9179 IDLE
Fri Jul 10 16:53:44 SAST 2026 [elapsed=254 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=41.7 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Jul 10 16:54 /atlas/obs/03a/61232/03a61232e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jul 10 16:54:06 SAST 2026 [elapsed=276 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (17 seconds old)
OTA humidity level...OK (17%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jul 10 16:54:06 SAST 2026 [elapsed=276 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61231.62091776|info|galildriver|using focus model: foc=9187+(4.30)*15.9+(-0.40)*60.2=9231.3
61231.62092312|info|galildriver|o 2 IN | cass: 3045151 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53995174 9179 um b=8f M [focus]
61231.62092911|info|galildriver|o 2 IN | cass: 3045147 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53995169 9179 um b=8f M [focus]
61231.62093250|info|galildriver|o 2 IN | cass: 3045158 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53995151 9179 um b=8f M [focus]
61231.62094066|info|galildriver|o 2 IN | cass: 3045144 15.23 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53995175 9179 um b=0f [cmd]
bestfocus for o...OK
Fri Jul 10 16:54:10 SAST 2026 [elapsed=280 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jul 10 16:54:35 SAST 2026 [elapsed=305 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 10 16:54:36 SAST 2026 [elapsed=306 sec] NOTICES: det_dzdx=-878 is outside range +-250 from -558; det_dzdy=2470 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 10 16:54:36 SAST 2026 [elapsed=306 sec] Happy observing!
Fri Jul 10 16:54:36 SAST 2026 [elapsed=306 sec] Preflight took 306 seconds to complete.
Fri Jul 10 16:54:36 SAST 2026 [elapsed=306 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 386 4.2% A 0.111s 735 8.0% A 0.141s 1215 13.3% A 0.171s 1783 19.5% A 0.202s 2465 26.9% A 0.232s 3266 35.7% A 0.262s 4175 45.6% A 0.292s 5103 55.7% A 0.322s 5998 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.413s 8005 87.4% A 0.443s 8457 92.4% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.534s 9138 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 380 4.2% B 0.111s 727 7.9% B 0.141s 1202 13.1% B 0.171s 1752 19.1% B 0.201s 2442 26.7% B 0.232s 3242 35.4% B 0.262s 4137 45.2% B 0.292s 5073 55.4% B 0.322s 5959 65.1% B 0.352s 6749 73.7% B 0.382s 7422 81.1% B 0.413s 7985 87.2% B 0.443s 8442 92.2% B 0.473s 8786 96.0% B 0.503s 9017 98.5% B 0.534s 9137 99.8% B 0.564s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9043 98.8% A 0.081s 8766 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.172s 7359 80.4% A 0.202s 6668 72.8% A 0.232s 5867 64.1% A 0.262s 4951 54.1% A 0.292s 4009 43.8% A 0.323s 3138 34.3% A 0.353s 2363 25.8% A 0.383s 1691 18.5% A 0.414s 1130 12.3% A 0.444s 681 7.4% A 0.474s 348 3.8% A 0.504s 120 1.3% A 0.534s 12 0.1% A 0.565s 1 0.0% B 0.020s 9142 99.9% B 0.050s 9009 98.4% B 0.081s 8761 95.7% B 0.111s 8407 91.8% B 0.141s 7936 86.7% B 0.171s 7357 80.4% B 0.201s 6689 73.1% B 0.232s 5891 64.4% B 0.262s 4979 54.4% B 0.292s 4023 43.9% B 0.323s 3136 34.3% B 0.353s 2368 25.9% B 0.383s 1682 18.4% B 0.413s 1132 12.4% B 0.444s 686 7.5% B 0.474s 347 3.8% B 0.504s 127 1.4% B 0.535s 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