STH Recent Preflight: 61304
Executing preflight for 61304 at Sun Sep 20 17:34:19 SAST 2026.
Log can be found in /atlas/obs/03/61304/preflight.dat.
Setting donefile '/atlas/obs/03/61304/preflight_complete.20260920153419.4726' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260920153419.4726.
Sun Sep 20 17:34:20 SAST 2026 [elapsed=1 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Sep 20 17:34:20 SAST 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [1fc49c93-edee-4544-bd0d-6bce55d2a5e3;1800]
Sun Sep 20 17:34:20 SAST 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun Sep 20 17:34:20 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Sep 20 17:34:20 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sun Sep 20 17:34:20 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Sep 20 17:34:20 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1789918456
OK
Sun Sep 20 17:34:20 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Sep 20 17:34:20 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 Sep 20 17:34:22 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 Sep 20 17:34:22 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Sep 20 17:34:22 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sun Sep 20 15:34:22 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 601 1024 377 1.041 0.139 1.086
+metbox2.sth.atl .PPS. 1 u 679 1024 377 0.342 0.140 0.033
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 265 1024 377 23.267 -0.444 0.970
-ntp.as3741.net 146.64.58.41 2 u 342 1024 377 23.308 -0.123 4.428
+ntp2.as3741.net 155.232.19.6 2 u 244 1024 377 7.287 0.223 0.665
-ntp2.inx.net.za 183.3.52.101 2 u 127 1024 377 7.380 0.113 0.117
-ntp5.inx.net.za 210.182.58.253 2 u 265 1024 377 7.803 0.027 0.187
-102.222.156.151 196.21.187.2 2 u 493 1024 327 23.458 -0.051 0.085
+ntp2.nog.net.za 80.72.67.48 3 u 302 1024 377 7.633 0.147 0.064
#139.84.231.68 ( 196.21.187.2 2 u 285 1024 377 22.790 0.133 0.694
+ntp8.inx.net.za 210.182.58.253 2 u 274 1024 377 16.574 0.109 0.086
Sun Sep 20 17:34:25 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (5730GB)
200GB available in /atlas/red...OK (8795GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.8T 5.5T 47% /
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 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 5.0T 8.4T 38% /
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/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 737G 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
Sun Sep 20 17:34:25 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
Sun Sep 20 17:34:25 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Sun Sep 20 17:34:25 SAST 2026 [elapsed=6 sec] SERVICES2
Sun Sep 20 17:34:26 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Sep 20 17:34:31 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=1.46e+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
Sun Sep 20 17:37:47 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: 252.69 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Sun Sep 20 17:38:38 SAST 2026 [elapsed=259 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Sep 20 17:39:02 SAST 2026 [elapsed=283 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Sun Sep 20 17:39:02 SAST 2026 [elapsed=283 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (0 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.1C)
Checking CCD plane: Z0=+1750.00 DZDX=-898.00 DZDY=+3302.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Sep 20 17:39:02 SAST 2026 [elapsed=283 sec] WEATHER
status weather: C 17.4C 70% 20/23kph@293 DP4.8C/-24C/d IDLE
...OK
Sun Sep 20 17:39:03 SAST 2026 [elapsed=284 sec] MET
status...OK
met: c=N o=Y Ro2d Co1h Wo1d Ho5h To94d Do7d IDLE
Sun Sep 20 17:39:03 SAST 2026 [elapsed=284 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Sep 20 17:39:05 SAST 2026 [elapsed=286 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 281.60 -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 -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 8 0.1%
A 0.050s 107 1.2%
A 0.081s 393 4.3%
A 0.111s 736 8.0%
A 0.141s 1190 13.0%
A 0.171s 1783 19.5%
A 0.202s 2466 26.9%
A 0.232s 3259 35.6%
A 0.262s 4164 45.5%
A 0.292s 5114 55.9%
A 0.323s 5991 65.4%
A 0.353s 6780 74.1%
A 0.383s 7439 81.3%
A 0.414s 7999 87.4%
A 0.444s 8466 92.5%
A 0.474s 8792 96.0%
A 0.504s 9020 98.5%
A 0.535s 9151 100.0%
B 0.020s 1 0.0%
B 0.050s 98 1.1%
B 0.081s 385 4.2%
B 0.111s 727 7.9%
B 0.141s 1197 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 0.353s 6774 74.0%
B 0.384s 7436 81.2%
B 0.414s 8010 87.5%
B 0.444s 8454 92.4%
B 0.474s 8798 96.1%
B 0.505s 9028 98.6%
B 0.535s 9143 99.9%
B 0.565s 9160 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9064 99.0%
A 0.081s 8771 95.8%
A 0.111s 8412 91.9%
A 0.142s 7969 87.1%
A 0.172s 7373 80.5%
A 0.202s 6692 73.1%
A 0.233s 5898 64.4%
A 0.263s 4952 54.1%
A 0.293s 4015 43.9%
A 0.324s 3138 34.3%
A 0.354s 2352 25.7%
A 0.384s 1690 18.5%
A 0.415s 1131 12.4%
A 0.445s 685 7.5%
A 0.475s 346 3.8%
A 0.506s 125 1.4%
A 0.536s 11 0.1%
A 0.567s -7 0.0%
B 0.020s 9146 99.9%
B 0.050s 9031 98.7%
B 0.081s 8771 95.8%
B 0.111s 8423 92.0%
B 0.141s 7955 86.9%
B 0.171s 7379 80.6%
B 0.202s 6694 73.1%
B 0.232s 5898 64.4%
B 0.262s 4983 54.4%
B 0.293s 4051 44.3%
B 0.323s 3166 34.6%
B 0.353s 2383 26.0%
B 0.384s 1712 18.7%
B 0.414s 1142 12.5%
B 0.445s 697 7.6%
B 0.475s 355 3.9%
B 0.505s 122 1.3%
B 0.536s 11 0.1%
B 0.566s -5 0.0%
A 1 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 0.567 seconds.
Shutter B closed to 0.0 percent in 0.566 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.17e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9249 IDLE
Sun Sep 20 17:39:42 SAST 2026 [elapsed=323 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
122M Sep 20 17:40 /atlas/obs/03a/61304/03a61304e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Sep 20 17:40:05 SAST 2026 [elapsed=346 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (45 seconds old)
OTA humidity level...OK (3%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Sep 20 17:40:05 SAST 2026 [elapsed=346 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61303.65284061|info|galildriver|using focus model: foc=9187+(4.30)*18.9+(-0.40)*60.2=9244.2
61303.65284563|info|galildriver|o 2 IN | cass: 3037176 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54009378 9250 um b=8f M [focus]
61303.65285580|info|galildriver|o 2 IN | cass: 3037179 15.19 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54009372 9250 um b=0f [cmd]
bestfocus for o...OK
Sun Sep 20 17:40:07 SAST 2026 [elapsed=348 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Sep 20 17:40:33 SAST 2026 [elapsed=374 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 Sep 20 17:40:35 SAST 2026 [elapsed=376 sec] NOTICES: det_dzdx=-898 is outside range +-250 from -558; det_dzdy=3302 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 Sep 20 17:40:35 SAST 2026 [elapsed=376 sec] Happy observing!
Sun Sep 20 17:40:35 SAST 2026 [elapsed=376 sec] Preflight took 375 seconds to complete.
Sun Sep 20 17:40:35 SAST 2026 [elapsed=376 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 113 1.2% A 0.081s 384 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1782 19.5% A 0.202s 2466 26.9% A 0.232s 3267 35.7% A 0.262s 4173 45.6% A 0.292s 5104 55.8% A 0.322s 5998 65.5% A 0.353s 6774 74.0% A 0.383s 7433 81.2% A 0.413s 7987 87.3% A 0.443s 8446 92.3% A 0.473s 8785 96.0% A 0.504s 9022 98.6% A 0.534s 9137 99.8% A 0.564s 9154 100.0% B 0.020s 1 0.0% B 0.050s 107 1.2% B 0.080s 369 4.0% B 0.111s 715 7.8% B 0.141s 1185 12.9% 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 5072 55.4% B 0.322s 5932 64.8% B 0.352s 6727 73.5% B 0.382s 7400 80.8% B 0.413s 7969 87.1% B 0.443s 8430 92.1% B 0.473s 8777 95.9% B 0.503s 9011 98.4% B 0.534s 9135 99.8% B 0.564s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9050 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7959 86.9% A 0.171s 7381 80.6% 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 3166 34.6% A 0.353s 2386 26.1% A 0.383s 1711 18.7% A 0.413s 1146 12.5% A 0.444s 692 7.6% A 0.474s 358 3.9% A 0.504s 124 1.4% A 0.534s 13 0.1% A 0.565s 1 0.0% B 0.020s 9145 99.9% B 0.050s 9022 98.6% B 0.081s 8775 95.9% B 0.111s 8423 92.0% B 0.141s 7955 86.9% B 0.171s 7381 80.6% B 0.202s 6691 73.1% B 0.232s 5921 64.7% B 0.262s 4984 54.4% B 0.292s 4087 44.6% B 0.322s 3193 34.9% B 0.353s 2417 26.4% B 0.383s 1722 18.8% B 0.413s 1164 12.7% B 0.443s 712 7.8% B 0.473s 366 4.0% B 0.504s 139 1.5% B 0.534s 16 0.2% B 0.564s 1 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R