STH Recent Preflight: 61328
Executing preflight for 61328 at Wed Oct 14 17:50:34 SAST 2026.
Log can be found in /atlas/obs/03/61328/preflight.dat.
Setting donefile '/atlas/obs/03/61328/preflight_complete.20261014155035.7230' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261014155035.7230.
Wed Oct 14 17:50:35 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Oct 14 17:50:35 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [c0290e0a-2d50-46dd-b8e1-b2a90c9b870d;1800]
Wed Oct 14 17:50:35 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Wed Oct 14 17:50:36 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Oct 14 17:50:36 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Wed Oct 14 17:50:36 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Oct 14 17:50:36 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1791993029
OK
Wed Oct 14 17:50:36 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Oct 14 17:50:36 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 Oct 14 17:50:44 SAST 2026 [elapsed=9 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 Oct 14 17:50:45 SAST 2026 [elapsed=10 sec] QUEUE
0 observations queued.
Wed Oct 14 17:50:45 SAST 2026 [elapsed=10 sec] CLOCKS
admin: Wed Oct 14 15:50:45 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 74 1024 377 1.006 0.077 0.053
*metbox2.sth.atl .PPS. 1 u 706 1024 377 0.288 0.033 0.057
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.7 2 u 316 1024 377 23.281 1.269 1.060
+ntp.as3741.net 146.64.58.41 2 u 109 1024 377 22.771 0.043 0.973
+ntp2.as3741.net 146.64.8.7 2 u 687 1024 377 7.189 0.041 0.654
-ntp2.inx.net.za 210.182.58.253 2 u 94 1024 377 7.264 0.032 0.105
-ntp2.nog.net.za 80.72.67.48 3 u 847 1024 377 7.528 0.124 0.469
-139.84.231.68 ( 196.21.187.2 2 u 441 1024 377 22.846 -0.569 0.810
-ntp7.inx.net.za 102.176.229.251 2 u 831 1024 377 16.493 0.110 0.102
-tick.sanren.ac. .TC. 1 u 637 1024 377 23.261 0.096 0.050
Wed Oct 14 17:50:52 SAST 2026 [elapsed=17 sec] DISKS
200GB available in /atlas/obs...OK (6054GB)
200GB available in /atlas/red...OK (9441GB)
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 4.4T 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 1.9T 12T 15% /
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
Wed Oct 14 17:50:53 SAST 2026 [elapsed=18 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 Oct 14 17:50:53 SAST 2026 [elapsed=18 sec] Disabling mount tracking.
Wed Oct 14 17:50:53 SAST 2026 [elapsed=18 sec] SERVICES2
Wed Oct 14 17:50:53 SAST 2026 [elapsed=18 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Oct 14 17:50:57 SAST 2026 [elapsed=22 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= 912kB time=00:00:29.18 bitrate= 256.0kbits/s speed=1.51e+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 Oct 14 17:53:31 SAST 2026 [elapsed=176 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: 280.29 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Wed Oct 14 17:54:22 SAST 2026 [elapsed=227 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Oct 14 17:54:41 SAST 2026 [elapsed=246 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.6 IDLE
Wed Oct 14 17:54:41 SAST 2026 [elapsed=246 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 (-54.1C)
Checking CCD plane: Z0=+1756.00 DZDX=-922.00 DZDY=+3478.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Oct 14 17:54:41 SAST 2026 [elapsed=246 sec] WEATHER
status weather: W 18.8C 24% 36/43kph@331 DP20.0C/-26C/d IDLE
...OK
Wed Oct 14 17:54:42 SAST 2026 [elapsed=247 sec] MET
status...OK
met: c=N o=N Ro8d Co1d Ws0 Ho1d To20d Do6d wait W IDLE
Wed Oct 14 17:54:42 SAST 2026 [elapsed=247 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Oct 14 17:54:44 SAST 2026 [elapsed=249 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 309.21 -14.63, az/alt=59.90 +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 -1 0.0%
A 2 0.1mm 15 N F R | B -1 -0.0mm 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 108 1.2%
A 0.081s 393 4.3%
A 0.111s 734 8.0%
A 0.141s 1191 13.0%
A 0.172s 1784 19.5%
A 0.202s 2466 26.9%
A 0.232s 3260 35.6%
A 0.262s 4165 45.5%
A 0.293s 5113 55.9%
A 0.323s 5991 65.4%
A 0.353s 6780 74.1%
A 0.384s 7438 81.3%
A 0.414s 8000 87.4%
A 0.444s 8465 92.5%
A 0.474s 8790 96.0%
A 0.505s 9022 98.6%
A 0.535s 9151 100.0%
B 0.020s 1 0.0%
B 0.051s 98 1.1%
B 0.081s 384 4.2%
B 0.111s 725 7.9%
B 0.141s 1197 13.1%
B 0.172s 1778 19.4%
B 0.202s 2468 27.0%
B 0.232s 3259 35.6%
B 0.262s 4166 45.5%
B 0.293s 5102 55.7%
B 0.323s 5991 65.4%
B 0.353s 6777 74.0%
B 0.384s 7435 81.2%
B 0.414s 8010 87.5%
B 0.444s 8455 92.4%
B 0.474s 8796 96.1%
B 0.505s 9027 98.6%
B 0.535s 9143 99.9%
B 0.565s 9159 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9063 99.0%
A 0.081s 8771 95.8%
A 0.111s 8415 91.9%
A 0.141s 7969 87.1%
A 0.172s 7371 80.5%
A 0.202s 6692 73.1%
A 0.232s 5896 64.4%
A 0.262s 4982 54.4%
A 0.293s 4044 44.2%
A 0.323s 3165 34.6%
A 0.353s 2376 26.0%
A 0.383s 1711 18.7%
A 0.414s 1148 12.5%
A 0.444s 697 7.6%
A 0.474s 357 3.9%
A 0.505s 129 1.4%
A 0.535s 13 0.1%
A 0.565s -4 0.0%
B 0.020s 9145 99.9%
B 0.050s 9025 98.6%
B 0.081s 8761 95.7%
B 0.111s 8410 91.9%
B 0.141s 7940 86.7%
B 0.171s 7359 80.4%
B 0.202s 6669 72.9%
B 0.232s 5868 64.1%
B 0.262s 4953 54.1%
B 0.292s 4052 44.3%
B 0.323s 3165 34.6%
B 0.353s 2360 25.8%
B 0.383s 1692 18.5%
B 0.414s 1127 12.3%
B 0.444s 683 7.5%
B 0.474s 356 3.9%
B 0.504s 123 1.3%
B 0.535s 10 0.1%
B 0.565s -5 0.0%
A 0 0.0mm 15 N F R | B -4 -0.1mm 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=1.09e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9309 IDLE
Wed Oct 14 17:55:21 SAST 2026 [elapsed=286 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.6 IDLE
taking preflight exposures:
acam...OK
acam image:
127M Oct 14 17:55 /atlas/obs/03a/61328/03a61328e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Oct 14 17:55:43 SAST 2026 [elapsed=308 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (15 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Oct 14 17:55:44 SAST 2026 [elapsed=309 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61327.66370733|info|galildriver|using focus model: foc=9187+(4.30)*19.5+(-0.40)*60.2=9246.8
61327.66371269|info|galildriver|o 2 IN | cass: 3036040 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54021315 9310 um b=8f M [focus]
61327.66372178|info|galildriver|o 2 IN | cass: 3036043 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54016043 9283 um b=8f M [focus]
61327.66373341|info|galildriver|o 2 IN | cass: 3036041 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54009321 9250 um b=8f M [focus]
61327.66373913|info|galildriver|o 2 IN | cass: 3036042 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54008231 9244 um b=8f M [focus]
61327.66374450|info|galildriver|o 2 IN | cass: 3036043 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54008229 9244 um b=8f M [focus]
61327.66375069|info|galildriver|o 2 IN | cass: 3036043 15.18 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54008224 9244 um b=0f [cmd]
bestfocus for o...OK
Wed Oct 14 17:55:49 SAST 2026 [elapsed=314 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Oct 14 17:56:14 SAST 2026 [elapsed=339 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 Oct 14 17:56:15 SAST 2026 [elapsed=340 sec] NOTICES: det_dzdx=-922 is outside range +-250 from -558; det_dzdy=3478 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 Oct 14 17:56:15 SAST 2026 [elapsed=340 sec] Happy observing!
Wed Oct 14 17:56:15 SAST 2026 [elapsed=340 sec] Preflight took 340 seconds to complete.
Wed Oct 14 17:56:15 SAST 2026 [elapsed=340 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 0.051s 106 1.2% A 0.081s 374 4.1% A 0.111s 723 7.9% A 0.141s 1180 12.9% A 0.171s 1760 19.2% A 0.202s 2442 26.7% A 0.232s 3238 35.4% A 0.262s 4143 45.3% A 0.292s 5075 55.4% A 0.322s 5968 65.2% A 0.353s 6753 73.8% A 0.383s 7414 81.0% A 0.413s 7985 87.2% A 0.443s 8434 92.1% A 0.474s 8777 95.9% A 0.504s 9015 98.5% A 0.534s 9137 99.8% A 0.564s 9155 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 377 4.1% B 0.111s 741 8.1% B 0.141s 1203 13.1% B 0.171s 1771 19.3% B 0.201s 2465 26.9% B 0.232s 3268 35.7% B 0.262s 4168 45.5% B 0.292s 5105 55.8% B 0.323s 5988 65.4% B 0.353s 6771 74.0% B 0.383s 7441 81.3% B 0.413s 8002 87.4% B 0.444s 8456 92.4% B 0.474s 8795 96.1% B 0.504s 9024 98.6% B 0.534s 9139 99.8% B 0.564s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8422 92.0% A 0.141s 7957 86.9% A 0.171s 7380 80.6% A 0.201s 6691 73.1% A 0.232s 5893 64.4% A 0.262s 4981 54.4% A 0.292s 4036 44.1% A 0.322s 3167 34.6% A 0.353s 2386 26.1% A 0.383s 1711 18.7% A 0.413s 1161 12.7% A 0.443s 704 7.7% A 0.474s 365 4.0% A 0.504s 130 1.4% A 0.534s 14 0.2% A 0.564s 0 0.0% B 0.020s 9145 99.9% B 0.050s 9020 98.5% B 0.081s 8774 95.8% B 0.111s 8423 92.0% B 0.141s 7953 86.9% B 0.172s 7381 80.6% B 0.202s 6689 73.1% B 0.232s 5893 64.4% B 0.262s 4986 54.5% B 0.293s 4056 44.3% B 0.323s 3164 34.6% B 0.353s 2393 26.1% B 0.383s 1700 18.6% B 0.413s 1146 12.5% B 0.444s 697 7.6% B 0.474s 357 3.9% B 0.504s 137 1.5% 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