STH Recent Preflight: 61219
Executing preflight for 61219 at Sat Jun 27 16:43:39 SAST 2026.
Log can be found in /atlas/obs/03/61219/preflight.dat.
Setting donefile '/atlas/obs/03/61219/preflight_complete.20260627144339.13534' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260627144339.13534.
Sat Jun 27 16:43:39 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Jun 27 16:43:39 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [d5fe3132-3fec-4916-9edd-f33502545e25;1800]
Sat Jun 27 16:43:39 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat Jun 27 16:43:41 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Jun 27 16:43:41 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Sat Jun 27 16:43:41 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Sat Jun 27 16:43:41 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782571412
OK
Sat Jun 27 16:43:41 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Sat Jun 27 16:43:41 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
Sat Jun 27 16:43:42 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
Sat Jun 27 16:43:43 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Sat Jun 27 16:43:43 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Sat Jun 27 14:43:43 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 901 1024 377 1.028 -0.014 0.038
+metbox2.sth.atl .PPS. 1 u 441 1024 377 0.340 -0.067 0.030
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+zibbi.ngei.csir 155.232.19.7 2 u 511 1024 377 23.284 0.110 0.135
+ntp.as3741.net 210.182.58.253 2 u 21 1024 377 22.856 -0.077 0.146
+ntp2.as3741.net 155.232.19.7 2 u 24 1024 377 7.330 -0.076 0.088
-ntp2.inx.net.za 210.182.58.253 2 u 140 1024 377 7.293 0.031 0.075
-ntp5.inx.net.za 196.21.187.2 2 u 424 1024 377 7.557 -0.056 0.261
#102.222.156.151 129.134.26.123 2 u 270 1024 377 24.631 0.643 0.227
-102.222.103.99 80.72.67.48 3 u 558 1024 377 7.581 0.042 0.118
-139.84.231.68 ( 196.21.187.2 2 u 6 1024 377 22.794 0.079 0.118
-ntp8.inx.net.za 210.182.58.253 2 u 197 1024 377 16.763 -0.114 0.052
Sat Jun 27 16:43:55 SAST 2026 [elapsed=16 sec] DISKS
200GB available in /atlas/obs...OK (6269GB)
200GB available in /atlas/red...OK (9339GB)
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 9.0T 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
Sat Jun 27 16:43:55 SAST 2026 [elapsed=16 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
Sat Jun 27 16:43:55 SAST 2026 [elapsed=16 sec] Disabling mount tracking.
Sat Jun 27 16:43:55 SAST 2026 [elapsed=16 sec] SERVICES2
Sat Jun 27 16:43:55 SAST 2026 [elapsed=16 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Jun 27 16:44:00 SAST 2026 [elapsed=21 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= 928kB time=00:00:29.69 bitrate= 256.0kbits/s speed=1.44e+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
Sat Jun 27 16:46:33 SAST 2026 [elapsed=174 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: 156.07 -29.49, az/alt=324.76 +86.49 idle(e) IDLE
Sat Jun 27 16:47:24 SAST 2026 [elapsed=225 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Jun 27 16:47:43 SAST 2026 [elapsed=244 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Sat Jun 27 16:47:43 SAST 2026 [elapsed=244 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 (-54.4C)
Checking CCD plane: Z0=+1713.00 DZDX=-893.00 DZDY=+2447.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Jun 27 16:47:43 SAST 2026 [elapsed=244 sec] WEATHER
status weather: C 12.5C 68% 19/28kph@20 DP5.2C/-25C/d IDLE
...OK
Sat Jun 27 16:47:44 SAST 2026 [elapsed=245 sec] MET
status...OK
met: c=N o=Y Ro1d Co2h Wo9d Ho1d To9d Do2d IDLE
Sat Jun 27 16:47:44 SAST 2026 [elapsed=245 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Jun 27 16:47:46 SAST 2026 [elapsed=247 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 184.98 -14.64, az/alt=59.91 +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 -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 0.051s 108 1.2%
A 0.081s 391 4.3%
A 0.111s 735 8.0%
A 0.141s 1190 13.0%
A 0.172s 1782 19.5%
A 0.202s 2466 26.9%
A 0.232s 3259 35.6%
A 0.263s 4163 45.5%
A 0.293s 5116 55.9%
A 0.323s 5991 65.4%
A 0.354s 6781 74.1%
A 0.384s 7439 81.3%
A 0.414s 7999 87.4%
A 0.445s 8467 92.5%
A 0.475s 8793 96.1%
A 0.505s 9019 98.5%
A 0.536s 9153 100.0%
B 0.020s 1 0.0%
B 0.050s 97 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 2464 26.9%
B 0.232s 3257 35.6%
B 0.263s 4168 45.5%
B 0.293s 5101 55.7%
B 0.323s 5991 65.4%
B 0.354s 6774 74.0%
B 0.384s 7436 81.2%
B 0.414s 8009 87.5%
B 0.445s 8456 92.4%
B 0.475s 8797 96.1%
B 0.505s 9028 98.6%
B 0.535s 9144 99.9%
B 0.566s 9161 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9058 99.0%
A 0.081s 8761 95.7%
A 0.111s 8401 91.8%
A 0.141s 7953 86.9%
A 0.172s 7353 80.3%
A 0.202s 6668 72.8%
A 0.232s 5870 64.1%
A 0.262s 4952 54.1%
A 0.293s 4014 43.8%
A 0.323s 3167 34.6%
A 0.353s 2378 26.0%
A 0.383s 1707 18.6%
A 0.414s 1148 12.5%
A 0.444s 700 7.6%
A 0.474s 352 3.8%
A 0.504s 129 1.4%
A 0.535s 14 0.2%
A 0.565s -8 0.0%
B 0.020s 9145 99.9%
B 0.050s 9028 98.6%
B 0.081s 8762 95.7%
B 0.111s 8411 91.9%
B 0.141s 7939 86.7%
B 0.172s 7360 80.4%
B 0.202s 6670 72.9%
B 0.232s 5870 64.1%
B 0.262s 4955 54.1%
B 0.293s 4020 43.9%
B 0.323s 3137 34.3%
B 0.354s 2361 25.8%
B 0.384s 1693 18.5%
B 0.414s 1125 12.3%
B 0.445s 684 7.5%
B 0.475s 346 3.8%
B 0.505s 122 1.3%
B 0.535s 10 0.1%
B 0.566s -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 0.536 seconds.
Shutter B opened to 100.0 percent in 0.566 seconds.
Shutter A closed to 0.0 percent in 0.565 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=1.06e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9298 IDLE
Sat Jun 27 16:48:22 SAST 2026 [elapsed=283 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 Jun 27 16:48 /atlas/obs/03a/61219/03a61219e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Jun 27 16:48:45 SAST 2026 [elapsed=306 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (56 seconds old)
OTA humidity level...OK (20%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Jun 27 16:48:45 SAST 2026 [elapsed=306 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61218.61719240|info|galildriver|using focus model: foc=9187+(4.30)*16.1+(-0.40)*60.2=9232.1
61218.61719777|info|galildriver|o 2 IN | cass: 3045809 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54017110 9289 um b=8f M [focus]
61218.61720685|info|galildriver|o 2 IN | cass: 3045813 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54011794 9262 um b=8f M [focus]
61218.61722024|info|galildriver|o 2 IN | cass: 3045808 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54006083 9234 um b=8f M [focus]
61218.61722782|info|galildriver|o 2 IN | cass: 3045802 15.23 mm b=23 move=NO | arm: 408745 475.85 mm b=03 move=OK | foc: 54005855 9232 um b=0f [cmd]
bestfocus for o...OK
Sat Jun 27 16:48:49 SAST 2026 [elapsed=310 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Jun 27 16:49:15 SAST 2026 [elapsed=336 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
Sat Jun 27 16:49:16 SAST 2026 [elapsed=337 sec] NOTICES: det_dzdx=-893 is outside range +-250 from -558; det_dzdy=2447 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sat Jun 27 16:49:16 SAST 2026 [elapsed=337 sec] Happy observing!
Sat Jun 27 16:49:16 SAST 2026 [elapsed=337 sec] Preflight took 337 seconds to complete.
Sat Jun 27 16:49:16 SAST 2026 [elapsed=337 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 107 1.2% A 0.081s 376 4.1% A 0.111s 723 7.9% A 0.141s 1180 12.9% A 0.171s 1762 19.2% A 0.202s 2443 26.7% A 0.232s 3239 35.4% A 0.262s 4144 45.3% A 0.292s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6753 73.8% A 0.383s 7413 81.0% A 0.413s 7990 87.3% A 0.444s 8444 92.2% A 0.474s 8783 95.9% A 0.504s 9016 98.5% A 0.534s 9133 99.8% A 0.564s 9152 100.0% B 0.020s 2 0.0% B 0.050s 120 1.3% B 0.081s 389 4.2% B 0.111s 742 8.1% B 0.141s 1202 13.1% B 0.171s 1773 19.4% B 0.202s 2465 26.9% B 0.232s 3269 35.7% B 0.262s 4169 45.5% B 0.292s 5104 55.8% B 0.322s 5988 65.4% B 0.353s 6770 74.0% B 0.383s 7441 81.3% B 0.413s 8002 87.4% B 0.443s 8457 92.4% B 0.473s 8795 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9153 100.0% A 0.051s 9051 98.9% A 0.081s 8781 95.9% A 0.111s 8424 92.0% A 0.141s 7961 87.0% A 0.172s 7384 80.7% A 0.202s 6694 73.1% A 0.232s 5897 64.4% A 0.262s 4986 54.5% A 0.293s 4042 44.2% A 0.323s 3169 34.6% A 0.353s 2385 26.1% A 0.383s 1729 18.9% A 0.413s 1165 12.7% A 0.444s 705 7.7% A 0.474s 368 4.0% A 0.504s 130 1.4% A 0.534s 15 0.2% A 0.564s 2 0.0% B 0.020s 9144 99.9% B 0.050s 9024 98.6% B 0.081s 8780 95.9% B 0.111s 8434 92.1% B 0.141s 7968 87.0% B 0.171s 7397 80.8% B 0.201s 6711 73.3% B 0.232s 5919 64.7% B 0.262s 5011 54.7% B 0.292s 4083 44.6% B 0.322s 3216 35.1% B 0.352s 2439 26.6% B 0.383s 1744 19.1% B 0.413s 1179 12.9% B 0.443s 725 7.9% B 0.473s 375 4.1% B 0.504s 144 1.6% B 0.534s 18 0.2% B 0.564s 1 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R