STH Recent Preflight: 61222
Executing preflight for 61222 at Tue Jun 30 16:44:52 SAST 2026.
Log can be found in /atlas/obs/03/61222/preflight.dat.
Setting donefile '/atlas/obs/03/61222/preflight_complete.20260630144452.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260630144452.13534.
Tue Jun 30 16:44:53 SAST 2026 [elapsed=1 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Jun 30 16:44:53 SAST 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [d9458564-9849-42dd-972e-93ae75270de0;1800]
Tue Jun 30 16:44:53 SAST 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue Jun 30 16:44:53 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue Jun 30 16:44:53 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Tue Jun 30 16:44:53 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Jun 30 16:44:53 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782830692
OK
Tue Jun 30 16:44:53 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Jun 30 16:44:53 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
Tue Jun 30 16:44:55 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
Tue Jun 30 16:44:55 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Tue Jun 30 16:44:55 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Tue Jun 30 14:44:55 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 570 1024 377 1.012 -0.007 0.025
*metbox2.sth.atl .PPS. 1 u 1027 1024 377 0.317 -0.014 0.030
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.6 2 u 699 1024 377 23.231 0.085 0.087
-ntp.as3741.net 210.182.58.253 2 u 742 1024 377 23.188 -0.261 0.717
-ntp2.as3741.net 155.232.19.7 2 u 627 1024 377 7.266 0.033 0.048
-196.10.54.57 210.182.58.253 2 u 422 1024 377 7.266 0.072 0.050
-ntp5.inx.net.za 183.3.52.101 2 u 121 1024 377 7.538 -0.159 0.046
#102.222.156.151 196.21.187.2 2 u 826 1024 377 24.760 0.185 0.311
+102.222.103.99 80.72.67.48 3 u 801 1024 377 7.507 0.022 0.064
-139.84.231.68 ( 196.21.187.2 2 u 762 1024 377 22.763 0.001 0.532
-ntp8.inx.net.za 183.3.52.101 2 u 969 1024 377 16.956 0.041 0.241
Tue Jun 30 16:44:57 SAST 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6262GB)
200GB available in /atlas/red...OK (9304GB)
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/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 37G 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 4.5T 8.9T 34% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 1.7T 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 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
Tue Jun 30 16:44:58 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
Tue Jun 30 16:44:58 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Tue Jun 30 16:44:58 SAST 2026 [elapsed=6 sec] SERVICES2
Tue Jun 30 16:44:58 SAST 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Jun 30 16:45:02 SAST 2026 [elapsed=10 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= 932kB time=00:00:29.82 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
Tue Jun 30 16:48:19 SAST 2026 [elapsed=207 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: 159.47 -29.49, az/alt=324.82 +86.49 idle(e) IDLE
Tue Jun 30 16:49:10 SAST 2026 [elapsed=258 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Jun 30 16:49:29 SAST 2026 [elapsed=277 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Tue Jun 30 16:49:29 SAST 2026 [elapsed=277 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 (-55.0C)
Checking CCD plane: Z0=+1664.00 DZDX=-892.00 DZDY=+1317.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Jun 30 16:49:29 SAST 2026 [elapsed=277 sec] WEATHER
status weather: clear 7.3C 72% 18/24kph@355 DP3.9C/-29C/d IDLE
...OK
Tue Jun 30 16:49:30 SAST 2026 [elapsed=278 sec] MET
status...OK
met: c=N o=N Ro1d Cc17 Wo1d Ho4h To12d Do5d wait C IDLE
Tue Jun 30 16:49:30 SAST 2026 [elapsed=278 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Jun 30 16:49:31 SAST 2026 [elapsed=279 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 188.38 -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 106 1.2%
A 0.081s 388 4.2%
A 0.111s 735 8.0%
A 0.142s 1190 13.0%
A 0.172s 1802 19.7%
A 0.202s 2490 27.2%
A 0.233s 3285 35.9%
A 0.263s 4193 45.8%
A 0.294s 5147 56.2%
A 0.324s 6018 65.7%
A 0.354s 6802 74.3%
A 0.385s 7458 81.5%
A 0.415s 8019 87.6%
A 0.445s 8477 92.6%
A 0.476s 8803 96.2%
A 0.506s 9029 98.6%
A 0.536s 9153 100.0%
B 0.020s 2 0.0%
B 0.051s 104 1.1%
B 0.081s 391 4.3%
B 0.111s 740 8.1%
B 0.142s 1214 13.3%
B 0.172s 1796 19.6%
B 0.202s 2488 27.2%
B 0.233s 3310 36.2%
B 0.263s 4228 46.2%
B 0.293s 5161 56.4%
B 0.324s 6047 66.1%
B 0.354s 6819 74.5%
B 0.384s 7477 81.7%
B 0.415s 8043 87.9%
B 0.445s 8480 92.6%
B 0.476s 8818 96.3%
B 0.506s 9041 98.8%
B 0.536s 9149 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9066 99.0%
A 0.081s 8776 95.9%
A 0.111s 8414 91.9%
A 0.142s 7968 87.0%
A 0.172s 7376 80.6%
A 0.202s 6691 73.1%
A 0.233s 5897 64.4%
A 0.263s 4983 54.4%
A 0.293s 4045 44.2%
A 0.324s 3166 34.6%
A 0.354s 2376 26.0%
A 0.384s 1708 18.7%
A 0.415s 1130 12.3%
A 0.445s 684 7.5%
A 0.476s 344 3.8%
A 0.506s 124 1.4%
A 0.536s 10 0.1%
A 0.567s -9 0.0%
B 0.020s 9145 99.9%
B 0.051s 9034 98.7%
B 0.081s 8775 95.9%
B 0.111s 8424 92.0%
B 0.142s 7958 86.9%
B 0.172s 7381 80.6%
B 0.202s 6695 73.1%
B 0.233s 5897 64.4%
B 0.263s 4985 54.5%
B 0.293s 4050 44.2%
B 0.324s 3163 34.6%
B 0.354s 2383 26.0%
B 0.384s 1713 18.7%
B 0.414s 1139 12.4%
B 0.445s 697 7.6%
B 0.475s 355 3.9%
B 0.505s 127 1.4%
B 0.536s 9 0.1%
A 1 0.0mm 15 N F R | B -6 -0.2mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.536 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.0 percent in 0.567 seconds.
Shutter B closed to 0.1 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.13e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9216 IDLE
Tue Jun 30 16:50:11 SAST 2026 [elapsed=319 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:
123M Jun 30 16:50 /atlas/obs/03a/61222/03a61222e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Jun 30 16:50:33 SAST 2026 [elapsed=341 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (74 seconds old)
OTA humidity level...OK (18%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Jun 30 16:50:33 SAST 2026 [elapsed=341 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61221.61844751|info|galildriver|using focus model: foc=9187+(4.30)*11.6+(-0.40)*60.2=9212.8
61221.61845253|info|galildriver|o 2 IN | cass: 3048204 15.24 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54002722 9217 um b=8f M [focus]
61221.61846268|info|galildriver|o 2 IN | cass: 3048197 15.24 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54002704 9217 um b=0f [cmd]
bestfocus for o...OK
Tue Jun 30 16:50:36 SAST 2026 [elapsed=344 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Jun 30 16:51:02 SAST 2026 [elapsed=370 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
Tue Jun 30 16:51:04 SAST 2026 [elapsed=372 sec] NOTICES: det_dzdx=-892 is outside range +-250 from -558; det_dzdy=1317 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Tue Jun 30 16:51:04 SAST 2026 [elapsed=372 sec] Happy observing!
Tue Jun 30 16:51:04 SAST 2026 [elapsed=372 sec] Preflight took 371 seconds to complete.
Tue Jun 30 16:51:04 SAST 2026 [elapsed=372 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 2 0.0% A 0.051s 107 1.2% A 0.081s 386 4.2% A 0.112s 736 8.0% A 0.142s 1197 13.1% A 0.173s 1783 19.5% A 0.203s 2489 27.2% A 0.234s 3295 36.0% A 0.264s 4205 45.9% A 0.295s 5134 56.1% A 0.326s 6053 66.1% A 0.356s 6819 74.5% A 0.386s 7474 81.6% A 0.417s 8038 87.8% A 0.447s 8481 92.6% A 0.477s 8813 96.3% A 0.508s 9037 98.7% A 0.538s 9141 99.9% A 0.568s 9154 100.0% B 0.020s 1 0.0% B 0.051s 103 1.1% B 0.081s 380 4.2% B 0.112s 727 7.9% B 0.142s 1202 13.1% B 0.173s 1772 19.4% B 0.203s 2466 26.9% B 0.233s 3270 35.7% B 0.264s 4168 45.5% B 0.294s 5132 56.1% B 0.325s 6016 65.7% B 0.355s 6794 74.2% B 0.386s 7461 81.5% B 0.416s 8033 87.8% B 0.447s 8481 92.6% B 0.477s 8814 96.3% B 0.508s 9038 98.7% B 0.539s 9144 99.9% B 0.569s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.051s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8408 91.9% A 0.142s 7942 86.8% A 0.172s 7360 80.4% A 0.203s 6669 72.9% A 0.233s 5867 64.1% A 0.264s 4950 54.1% A 0.294s 3979 43.5% A 0.325s 3113 34.0% A 0.355s 2339 25.6% A 0.385s 1671 18.3% A 0.416s 1114 12.2% A 0.446s 668 7.3% A 0.477s 331 3.6% A 0.507s 110 1.2% A 0.538s 9 0.1% B 0.020s 9143 99.9% B 0.051s 9010 98.4% B 0.081s 8763 95.7% B 0.111s 8407 91.8% B 0.142s 7937 86.7% B 0.172s 7358 80.4% B 0.203s 6643 72.6% B 0.233s 5835 63.7% B 0.263s 4918 53.7% B 0.294s 3995 43.6% B 0.324s 3111 34.0% B 0.354s 2348 25.6% B 0.385s 1662 18.2% B 0.415s 1115 12.2% B 0.446s 675 7.4% B 0.476s 329 3.6% B 0.507s 117 1.3% B 0.538s 8 0.1% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R