STH Recent Preflight: 61318
Executing preflight for 61318 at Sun Oct 4 17:43:31 SAST 2026.
Log can be found in /atlas/obs/03/61318/preflight.dat.
Setting donefile '/atlas/obs/03/61318/preflight_complete.20261004154331.1280' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261004154331.1280.
Sun Oct 4 17:43:31 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Oct 4 17:43:31 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [62cf0c00-0061-41d2-95c4-a08dc862cd98;1800]
Sun Oct 4 17:43:31 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun Oct 4 17:43:32 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Oct 4 17:43:32 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sun Oct 4 17:43:32 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Oct 4 17:43:32 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1791128605
OK
Sun Oct 4 17:43:32 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Oct 4 17:43:32 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
Sun Oct 4 17:43:34 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
Sun Oct 4 17:43:34 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Oct 4 17:43:34 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sun Oct 4 15:43:34 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 833 1024 377 0.921 0.044 0.049
*metbox2.sth.atl .PPS. 1 u 149 1024 377 0.275 0.046 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 293 1024 377 23.359 0.202 0.438
-ntp.as3741.net 155.232.19.6 2 u 1020 1024 377 22.884 -0.004 0.427
-ntp2.as3741.net 155.232.19.6 2 u 91 1024 177 7.219 -0.039 0.141
-ntp2.inx.net.za 210.182.58.253 2 u 1044 1024 377 7.313 0.120 0.034
+ntp2.nog.net.za 80.72.67.48 3 u 54 1024 377 7.542 0.138 0.034
-139.84.231.68 ( 196.21.187.2 2 u 993 1024 377 23.285 0.163 0.777
-ntp7.inx.net.za 210.182.58.253 2 u 901 1024 377 16.549 -0.403 0.123
-tick.sanren.ac. .TC. 1 u 110 1024 377 23.260 0.116 0.056
Sun Oct 4 17:43:38 SAST 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (6264GB)
200GB available in /atlas/red...OK (9183GB)
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/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 4.6T 8.8T 35% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.8T 12T 13% /
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
Sun Oct 4 17:43:38 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
Sun Oct 4 17:43:38 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Sun Oct 4 17:43:38 SAST 2026 [elapsed=7 sec] SERVICES2
Sun Oct 4 17:43:38 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Oct 4 17:43:43 SAST 2026 [elapsed=12 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= 916kB time=00:00:29.31 bitrate= 256.0kbits/s speed=1.54e+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
Sun Oct 4 17:46:56 SAST 2026 [elapsed=205 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: 268.78 -29.49, az/alt=324.74 +86.49 idle(e) IDLE
Sun Oct 4 17:47:47 SAST 2026 [elapsed=256 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Oct 4 17:48:11 SAST 2026 [elapsed=280 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Sun Oct 4 17:48:11 SAST 2026 [elapsed=280 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (-1 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.4C)
Checking CCD plane: Z0=+1733.00 DZDX=-923.00 DZDY=+2911.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Oct 4 17:48:11 SAST 2026 [elapsed=280 sec] WEATHER
status weather: clear 15.2C 74% 10/16kph@136 DP3.0C/-59C/d IDLE
...OK
Sun Oct 4 17:48:12 SAST 2026 [elapsed=281 sec] MET
status...OK
met: c=N o=Y Ro18h Co3h Wo10d Ho5h To10d Do1d IDLE
Sun Oct 4 17:48:12 SAST 2026 [elapsed=281 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Oct 4 17:48:14 SAST 2026 [elapsed=283 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 297.70 -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 101 1.1%
A 0.081s 382 4.2%
A 0.111s 722 7.9%
A 0.141s 1171 12.8%
A 0.172s 1763 19.3%
A 0.202s 2444 26.7%
A 0.232s 3231 35.3%
A 0.262s 4132 45.1%
A 0.292s 5086 55.6%
A 0.323s 5965 65.2%
A 0.353s 6755 73.8%
A 0.383s 7420 81.1%
A 0.413s 7984 87.2%
A 0.444s 8452 92.3%
A 0.474s 8784 96.0%
A 0.504s 9014 98.5%
A 0.534s 9150 100.0%
B 0.020s 1 0.0%
B 0.050s 99 1.1%
B 0.081s 384 4.2%
B 0.111s 727 7.9%
B 0.141s 1197 13.1%
B 0.172s 1777 19.4%
B 0.202s 2467 26.9%
B 0.232s 3256 35.6%
B 0.262s 4166 45.5%
B 0.293s 5102 55.7%
B 0.323s 5991 65.4%
B 0.353s 6775 74.0%
B 0.384s 7436 81.2%
B 0.414s 8009 87.5%
B 0.444s 8456 92.4%
B 0.475s 8796 96.1%
B 0.505s 9029 98.6%
B 0.535s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9064 99.0%
A 0.081s 8774 95.8%
A 0.111s 8413 91.9%
A 0.141s 7968 87.0%
A 0.172s 7374 80.6%
A 0.202s 6691 73.1%
A 0.232s 5897 64.4%
A 0.262s 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 1149 12.6%
A 0.444s 697 7.6%
A 0.475s 356 3.9%
A 0.505s 128 1.4%
A 0.535s 12 0.1%
A 0.566s -6 0.0%
B 0.020s 9144 99.9%
B 0.050s 9026 98.6%
B 0.081s 8762 95.7%
B 0.111s 8410 91.9%
B 0.141s 7940 86.7%
B 0.172s 7360 80.4%
B 0.202s 6671 72.9%
B 0.232s 5870 64.1%
B 0.262s 4984 54.4%
B 0.292s 4020 43.9%
B 0.323s 3137 34.3%
B 0.353s 2360 25.8%
B 0.383s 1712 18.7%
B 0.413s 1142 12.5%
B 0.444s 696 7.6%
B 0.474s 355 3.9%
B 0.504s 128 1.4%
B 0.534s 13 0.1%
B 0.565s -5 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 0.534 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 0.0 percent in 0.565 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 224kB time=00:00:07.16 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=9220 IDLE
Sun Oct 4 17:48:51 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:
126M Oct 4 17:49 /atlas/obs/03a/61318/03a61318e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Oct 4 17:49:14 SAST 2026 [elapsed=343 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (77 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Oct 4 17:49:14 SAST 2026 [elapsed=343 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61317.65919521|info|galildriver|using focus model: foc=9187+(4.30)*17.2+(-0.40)*60.2=9236.9
61317.65920057|info|galildriver|o 2 IN | cass: 3037783 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54003487 9221 um b=8f M [focus]
61317.65920884|info|galildriver|o 2 IN | cass: 3037781 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54003490 9221 um b=8f M [focus]
61317.65921223|info|galildriver|o 2 IN | cass: 3037779 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54003490 9221 um b=8f M [focus]
61317.65922040|info|galildriver|o 2 IN | cass: 3037786 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 54003493 9221 um b=0f [cmd]
bestfocus for o...OK
Sun Oct 4 17:49:17 SAST 2026 [elapsed=346 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Oct 4 17:49:43 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
Sun Oct 4 17:49:44 SAST 2026 [elapsed=373 sec] NOTICES: det_dzdx=-923 is outside range +-250 from -558; det_dzdy=2911 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sun Oct 4 17:49:44 SAST 2026 [elapsed=373 sec] Happy observing!
Sun Oct 4 17:49:44 SAST 2026 [elapsed=373 sec] Preflight took 373 seconds to complete.
Sun Oct 4 17:49:44 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 107 1.2% A 0.081s 374 4.1% A 0.111s 723 7.9% A 0.141s 1180 12.9% A 0.171s 1761 19.2% A 0.201s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.292s 5074 55.4% A 0.322s 5970 65.2% A 0.352s 6751 73.7% A 0.383s 7414 81.0% A 0.413s 7987 87.3% A 0.443s 8446 92.3% A 0.473s 8785 96.0% A 0.503s 9015 98.5% A 0.534s 9135 99.8% A 0.564s 9155 100.0% B 0.020s 0 0.0% B 0.050s 113 1.2% B 0.081s 387 4.2% B 0.111s 741 8.1% B 0.141s 1201 13.1% B 0.172s 1773 19.4% B 0.202s 2490 27.2% B 0.232s 3265 35.7% B 0.262s 4166 45.5% B 0.292s 5102 55.7% B 0.323s 5989 65.4% B 0.353s 6772 74.0% B 0.383s 7439 81.3% B 0.413s 8001 87.4% B 0.443s 8458 92.4% B 0.474s 8795 96.1% B 0.504s 9024 98.6% B 0.534s 9139 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9049 98.9% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7959 86.9% A 0.171s 7401 80.8% A 0.202s 6692 73.1% A 0.232s 5895 64.4% A 0.262s 4981 54.4% A 0.292s 4038 44.1% A 0.323s 3194 34.9% A 0.353s 2410 26.3% A 0.383s 1732 18.9% A 0.413s 1163 12.7% A 0.443s 705 7.7% A 0.474s 368 4.0% A 0.504s 130 1.4% A 0.534s 15 0.2% A 0.565s 1 0.0% B 0.020s 9142 99.9% B 0.050s 9019 98.5% B 0.081s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7950 86.8% B 0.171s 7377 80.6% B 0.201s 6713 73.3% B 0.232s 5920 64.7% B 0.262s 5012 54.8% B 0.292s 4081 44.6% B 0.322s 3189 34.8% B 0.353s 2419 26.4% B 0.383s 1723 18.8% B 0.413s 1161 12.7% B 0.443s 713 7.8% B 0.473s 363 4.0% B 0.504s 137 1.5% B 0.534s 16 0.2% B 0.564s 0 0.0% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R