STH Recent Preflight: 61230
Executing preflight for 61230 at Wed Jul 8 16:48:28 SAST 2026.
Log can be found in /atlas/obs/03/61230/preflight.dat.
Setting donefile '/atlas/obs/03/61230/preflight_complete.20260708144828.2231' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260708144828.2231.
Wed Jul 8 16:48:28 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Jul 8 16:48:28 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [b25774b7-e1e9-438d-82df-a73f37b2674a;1800]
Wed Jul 8 16:48:28 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Wed Jul 8 16:48:30 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Wed Jul 8 16:48:30 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Wed Jul 8 16:48:30 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Wed Jul 8 16:48:30 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1783522104
OK
Wed Jul 8 16:48:30 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Wed Jul 8 16:48:30 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
Wed Jul 8 16:48:33 SAST 2026 [elapsed=5 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 Jul 8 16:48:34 SAST 2026 [elapsed=6 sec] QUEUE
0 observations queued.
Wed Jul 8 16:48:34 SAST 2026 [elapsed=6 sec] CLOCKS
admin: Wed Jul 8 14:48:34 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 957 1024 217 1.049 0.006 0.060
+metbox2.sth.atl .PPS. 1 u 416 1024 377 0.333 -0.007 0.047
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 568 1024 377 23.228 0.120 0.084
-ntp.as3741.net 210.182.58.253 2 u 276 1024 377 22.829 -0.137 0.079
+ntp2.as3741.net 155.232.19.7 2 u 444 1024 377 7.267 -0.081 0.056
-ntp2.inx.net.za 183.3.52.101 2 u 718 1024 377 7.355 0.028 0.099
-ntp5.inx.net.za 183.3.52.101 2 u 885 1024 377 7.545 -0.076 0.145
#102.222.156.151 196.21.187.2 2 u 397 1024 377 23.478 -0.139 0.285
-102.222.103.99 80.72.67.48 3 u 1010 1024 377 7.659 0.163 0.142
+139.84.231.68 196.21.187.2 2 u 415 1024 377 22.776 0.018 0.143
-ntp8.inx.net.za 183.3.52.101 2 u 786 1024 377 16.865 -0.156 0.090
Wed Jul 8 16:48:38 SAST 2026 [elapsed=10 sec] DISKS
200GB available in /atlas/obs...OK (6131GB)
200GB available in /atlas/red...OK (9188GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.4T 5.9T 43% /
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 4.6T 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 2.0T 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
Wed Jul 8 16:48:38 SAST 2026 [elapsed=10 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 Jul 8 16:48:38 SAST 2026 [elapsed=10 sec] Disabling mount tracking.
Wed Jul 8 16:48:38 SAST 2026 [elapsed=10 sec] SERVICES2
Wed Jul 8 16:48:38 SAST 2026 [elapsed=10 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Jul 8 16:48:42 SAST 2026 [elapsed=14 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= 930kB time=00:00:29.76 bitrate= 256.0kbits/s speed=1.48e+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 Jul 8 16:51:57 SAST 2026 [elapsed=209 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: 168.43 -29.49, az/alt=324.75 +86.49 idle(e) IDLE
Wed Jul 8 16:53:29 SAST 2026 [elapsed=301 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Jul 8 16:53:48 SAST 2026 [elapsed=320 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Wed Jul 8 16:53:48 SAST 2026 [elapsed=320 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 (-54.2C)
Checking CCD plane: Z0=+1725.00 DZDX=-879.00 DZDY=+2743.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Jul 8 16:53:48 SAST 2026 [elapsed=320 sec] WEATHER
status weather: clear 14.4C 39% 15/18kph@298 DP13.3C/-22C/d IDLE
...OK
Wed Jul 8 16:53:49 SAST 2026 [elapsed=321 sec] MET
status...OK
met: c=N o=Y Ro9d Co5d Wo9d Ho5d To20d Do5d IDLE
Wed Jul 8 16:53:49 SAST 2026 [elapsed=321 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Jul 8 16:53:49 SAST 2026 [elapsed=321 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 197.35 -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 8 0.1%
A 0.051s 115 1.3%
A 0.081s 403 4.4%
A 0.111s 745 8.1%
A 0.142s 1207 13.2%
A 0.173s 1803 19.7%
A 0.205s 2514 27.5%
A 0.236s 3370 36.8%
A 0.266s 4287 46.8%
A 0.296s 5235 57.2%
A 0.327s 6099 66.6%
A 0.357s 6871 75.1%
A 0.387s 7518 82.1%
A 0.418s 8066 88.1%
A 0.448s 8513 93.0%
A 0.478s 8836 96.5%
A 0.508s 9050 98.9%
A 0.539s 9159 100.0%
B 0.020s 0 0.0%
B 0.050s 98 1.1%
B 0.081s 385 4.2%
B 0.111s 726 7.9%
B 0.141s 1198 13.1%
B 0.172s 1777 19.4%
B 0.202s 2464 26.9%
B 0.232s 3259 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 8456 92.4%
B 0.475s 8798 96.1%
B 0.505s 9027 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 0.051s 9059 99.0%
A 0.081s 8761 95.7%
A 0.111s 8402 91.8%
A 0.142s 7952 86.9%
A 0.172s 7353 80.3%
A 0.202s 6668 72.8%
A 0.232s 5869 64.1%
A 0.263s 4953 54.1%
A 0.293s 4013 43.8%
A 0.323s 3139 34.3%
A 0.354s 2354 25.7%
A 0.384s 1687 18.4%
A 0.414s 1132 12.4%
A 0.444s 685 7.5%
A 0.475s 343 3.7%
A 0.505s 124 1.4%
A 0.535s 12 0.1%
A 0.565s -7 0.0%
B 0.020s 9146 99.9%
B 0.050s 9039 98.7%
B 0.081s 8782 95.9%
B 0.111s 8435 92.1%
B 0.141s 7973 87.1%
B 0.172s 7400 80.8%
B 0.202s 6716 73.4%
B 0.232s 5924 64.7%
B 0.262s 5014 54.8%
B 0.293s 4080 44.6%
B 0.323s 3193 34.9%
B 0.353s 2405 26.3%
B 0.384s 1735 19.0%
B 0.414s 1157 12.6%
B 0.444s 708 7.7%
B 0.474s 367 4.0%
B 0.505s 133 1.5%
B 0.535s 16 0.2%
B 0.565s -4 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 0.539 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=1.12e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9237 IDLE
Wed Jul 8 16:54:26 SAST 2026 [elapsed=358 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
123M Jul 8 16:54 /atlas/obs/03a/61230/03a61230e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Jul 8 16:54:48 SAST 2026 [elapsed=380 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (59 seconds old)
OTA humidity level...OK (16%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Jul 8 16:54:49 SAST 2026 [elapsed=381 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61229.62140408|info|galildriver|using focus model: foc=9187+(4.30)*17.3+(-0.40)*60.2=9237.3
61229.62140875|info|galildriver|o 2 IN | cass: 3044393 15.22 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 54006903 9238 um b=0f [cmd]
bestfocus for o...OK
Wed Jul 8 16:54:50 SAST 2026 [elapsed=382 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Jul 8 16:55:16 SAST 2026 [elapsed=408 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 Jul 8 16:55:18 SAST 2026 [elapsed=410 sec] NOTICES: det_dzdx=-879 is outside range +-250 from -558; det_dzdy=2743 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 Jul 8 16:55:18 SAST 2026 [elapsed=410 sec] Happy observing!
Wed Jul 8 16:55:18 SAST 2026 [elapsed=410 sec] Preflight took 410 seconds to complete.
Wed Jul 8 16:55:18 SAST 2026 [elapsed=410 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 110 1.2% A 0.081s 385 4.2% A 0.111s 736 8.0% A 0.141s 1181 12.9% A 0.171s 1761 19.2% A 0.201s 2443 26.7% A 0.232s 3238 35.4% A 0.262s 4144 45.3% A 0.292s 5074 55.4% A 0.322s 5969 65.2% A 0.352s 6752 73.8% A 0.383s 7413 81.0% A 0.413s 7989 87.3% A 0.443s 8432 92.1% A 0.473s 8783 95.9% A 0.504s 9015 98.5% A 0.534s 9134 99.8% A 0.564s 9153 100.0% B 0.020s 1 0.0% B 0.050s 119 1.3% B 0.081s 388 4.2% B 0.111s 741 8.1% B 0.141s 1201 13.1% B 0.171s 1772 19.4% B 0.201s 2464 26.9% B 0.232s 3268 35.7% B 0.262s 4167 45.5% B 0.292s 5103 55.7% B 0.322s 5988 65.4% B 0.352s 6771 74.0% B 0.383s 7442 81.3% B 0.413s 8003 87.4% B 0.443s 8456 92.4% B 0.473s 8796 96.1% B 0.504s 9022 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 9048 98.8% A 0.081s 8776 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 7401 80.8% A 0.201s 6715 73.4% A 0.232s 5923 64.7% A 0.262s 5013 54.8% A 0.292s 4068 44.4% A 0.323s 3194 34.9% A 0.353s 2409 26.3% A 0.383s 1731 18.9% A 0.413s 1163 12.7% A 0.443s 706 7.7% A 0.474s 367 4.0% A 0.504s 131 1.4% A 0.534s 15 0.2% A 0.564s 1 0.0% B 0.020s 9146 99.9% B 0.050s 9026 98.6% B 0.081s 8781 95.9% B 0.111s 8435 92.1% B 0.141s 7971 87.1% B 0.171s 7399 80.8% B 0.201s 6714 73.3% B 0.232s 5921 64.7% B 0.262s 5012 54.8% B 0.292s 4086 44.6% B 0.322s 3190 34.8% B 0.352s 2416 26.4% B 0.383s 1724 18.8% B 0.413s 1179 12.9% B 0.443s 725 7.9% B 0.473s 374 4.1% B 0.503s 144 1.6% B 0.534s 18 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R