STH Recent Preflight: 61037
Executing preflight for 61037 at Sat Dec 27 18:48:39 SAST 2025.
Log can be found in /atlas/obs/03/61037/preflight.dat.
Setting donefile '/atlas/obs/03/61037/preflight_complete.20251227164839.686' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20251227164839.686.
Sat Dec 27 18:48:39 SAST 2025 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Dec 27 18:48:39 SAST 2025 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [4807f22c-4cf8-45f9-9ec4-e89e4c9eb3dc;1800]
Sat Dec 27 18:48:39 SAST 2025 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat Dec 27 18:48:41 SAST 2025 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Dec 27 18:48:41 SAST 2025 [elapsed=2 sec] auxcam is disabled.
Sat Dec 27 18:48:41 SAST 2025 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Sat Dec 27 18:48:41 SAST 2025 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1766854115
OK
Sat Dec 27 18:48:41 SAST 2025 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Sat Dec 27 18:48:41 SAST 2025 [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 Dec 27 18:48:42 SAST 2025 [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 Dec 27 18:48:43 SAST 2025 [elapsed=4 sec] QUEUE
0 observations queued.
Sat Dec 27 18:48:43 SAST 2025 [elapsed=4 sec] CLOCKS
admin: Sat Dec 27 16:48:43 UTC 2025
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 19 1024 377 0.990 -0.055 0.052
+metbox2.sth.atl .PPS. 1 u 128 1024 377 0.297 -0.057 0.018
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-146.64.24.58 183.3.52.101 2 u 183 1024 377 23.342 -0.261 0.447
+ntp.as3741.net 146.64.8.7 2 u 636 1024 377 22.866 -0.130 0.054
-ntp2.as3741.net 146.64.8.7 2 u 218 1024 377 7.342 -0.155 0.178
-ntp2.inx.net.za 183.3.52.101 2 u 631 1024 377 7.203 0.040 0.034
-102.222.100.153 155.232.19.7 2 u 342 1024 377 7.814 0.359 0.250
#za-jnb-rs01b.dp 210.182.58.253 2 u 279 1024 377 26.092 0.584 1.456
-tick.sanren.ac. .TC. 1 u 496 1024 377 23.278 0.022 0.048
-ntp.urbanwave.c 155.232.19.7 2 u 608 1024 377 22.832 -1.610 1.550
-ntp4.inx.net.za 210.182.58.253 2 u 792 1024 377 23.135 0.054 0.068
Sat Dec 27 18:48:54 SAST 2025 [elapsed=15 sec] DISKS
200GB available in /atlas/obs...OK (6026GB)
200GB available in /atlas/red...OK (9026GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.5T 5.8T 44% /
admin:/dev/loop1 105M 105M 0 100% /snap/core/17247
admin:/dev/loop2 105M 105M 0 100% /snap/core/17272
archon:/dev/sda2 117G 21G 91G 19% /
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
archon:/dev/loop0 105M 105M 0 100% /snap/core/17247
archon:/dev/loop2 105M 105M 0 100% /snap/core/17272
tcs:/dev/mapper/ubuntu--vg-ubuntu--lv 98G 35G 59G 37% /
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 4.8T 8.7T 36% /
proc1:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc1:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc2:/dev/md0p1 15T 1.7T 12T 13% /
proc2:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc2:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc3:/dev/md0p1 15T 733G 13T 6% /
proc3:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc3:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc4:/dev/md0p1 15T 1.1T 13T 8% /
proc4:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc4:/dev/loop2 105M 105M 0 100% /snap/core/17272
Sat Dec 27 18:48:54 SAST 2025 [elapsed=15 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 Dec 27 18:48:55 SAST 2025 [elapsed=16 sec] Disabling mount tracking.
Sat Dec 27 18:48:55 SAST 2025 [elapsed=16 sec] SERVICES2
Sat Dec 27 18:48:55 SAST 2025 [elapsed=16 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Dec 27 18:48:59 SAST 2025 [elapsed=20 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= 920kB time=00:00:29.44 bitrate= 256.0kbits/s speed=1.4e+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 Dec 27 18:52:15 SAST 2025 [elapsed=216 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: 8.21 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Sat Dec 27 18:53:13 SAST 2025 [elapsed=274 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Dec 27 18:53:35 SAST 2025 [elapsed=296 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Sat Dec 27 18:53:35 SAST 2025 [elapsed=296 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (9 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.9C)
Checking CCD plane: Z0=+1783.00 DZDX=-901.00 DZDY=+4090.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Dec 27 18:53:35 SAST 2025 [elapsed=296 sec] WEATHER
status weather: C 22.8C 37% 14/18kph@210 DP8.3C/-275C/d IDLE
...OK
Sat Dec 27 18:53:36 SAST 2025 [elapsed=297 sec] MET
status...OK
met: c=N o=Y Ro28d Co8h Wo10d Ho10h To28d Do1d IDLE
Sat Dec 27 18:53:36 SAST 2025 [elapsed=297 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Dec 27 18:53:38 SAST 2025 [elapsed=299 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 37.14 -14.63, az/alt=59.89 +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 9 0.1%
A 0.050s 118 1.3%
A 0.081s 405 4.4%
A 0.111s 744 8.1%
A 0.141s 1209 13.2%
A 0.172s 1805 19.7%
A 0.202s 2489 27.2%
A 0.232s 3287 35.9%
A 0.262s 4195 45.8%
A 0.293s 5144 56.2%
A 0.323s 6019 65.8%
A 0.353s 6801 74.3%
A 0.383s 7458 81.5%
A 0.414s 8017 87.6%
A 0.444s 8477 92.6%
A 0.474s 8799 96.1%
A 0.504s 9027 98.6%
A 0.535s 9151 100.0%
B 0.020s 1 0.0%
B 0.050s 100 1.1%
B 0.081s 387 4.2%
B 0.111s 725 7.9%
B 0.141s 1199 13.1%
B 0.171s 1776 19.4%
B 0.202s 2466 26.9%
B 0.232s 3259 35.6%
B 0.262s 4167 45.5%
B 0.293s 5104 55.8%
B 0.323s 5992 65.5%
B 0.353s 6776 74.0%
B 0.383s 7435 81.2%
B 0.414s 8010 87.5%
B 0.444s 8454 92.4%
B 0.474s 8795 96.1%
B 0.504s 9027 98.6%
B 0.535s 9143 99.9%
B 0.565s 9159 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.050s 9055 98.9%
A 0.081s 8760 95.7%
A 0.111s 8401 91.8%
A 0.141s 7950 86.8%
A 0.172s 7352 80.3%
A 0.202s 6669 72.9%
A 0.232s 5869 64.1%
A 0.263s 4952 54.1%
A 0.293s 4014 43.8%
A 0.323s 3139 34.3%
A 0.353s 2352 25.7%
A 0.384s 1691 18.5%
A 0.414s 1070 11.7%
A 0.444s 684 7.5%
A 0.474s 347 3.8%
A 0.505s 125 1.4%
A 0.535s 9 0.1%
B 0.020s 9146 99.9%
B 0.051s 9032 98.7%
B 0.081s 8771 95.8%
B 0.111s 8422 92.0%
B 0.141s 7955 86.9%
B 0.172s 7297 79.7%
B 0.202s 6694 73.1%
B 0.232s 5895 64.4%
B 0.262s 4985 54.5%
B 0.293s 4050 44.2%
B 0.323s 3167 34.6%
B 0.353s 2382 26.0%
B 0.384s 1715 18.7%
B 0.414s 1141 12.5%
B 0.444s 696 7.6%
B 0.474s 357 3.9%
B 0.505s 127 1.4%
B 0.535s 13 0.1%
B 0.565s -4 0.0%
A 1 0.0mm 15 N F R | B -3 -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 0.1 percent in 0.535 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=1.21e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9259 IDLE
Sat Dec 27 18:54:16 SAST 2025 [elapsed=337 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:
122M Dec 27 18:54 /atlas/obs/03a/61037/03a61037e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Dec 27 18:54:39 SAST 2025 [elapsed=360 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
Sat Dec 27 18:54:39 SAST 2025 [elapsed=360 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61036.70462658|info|galildriver|using focus model: foc=9187+(4.30)*22.6+(-0.40)*60.2=9260.1
61036.70463148|info|galildriver|o 2 IN | cass: 3049037 15.25 mm b=23 move=NO | arm: 408857 475.98 mm b=03 move=OK | foc: 54011337 9260 um b=2f [cmd]
bestfocus for o...OK
Sat Dec 27 18:54:41 SAST 2025 [elapsed=362 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Dec 27 18:55:10 SAST 2025 [elapsed=391 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 Dec 27 18:55:13 SAST 2025 [elapsed=394 sec] NOTICES: det_dzdx=-901 is outside range +-250 from -558; det_dzdy=4090 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 Dec 27 18:55:13 SAST 2025 [elapsed=394 sec] Happy observing!
Sat Dec 27 18:55:13 SAST 2025 [elapsed=394 sec] Preflight took 394 seconds to complete.
Sat Dec 27 18:55:13 SAST 2025 [elapsed=394 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 4 0.0% A 0.051s 117 1.3% A 0.081s 383 4.2% A 0.111s 731 8.0% A 0.141s 1197 13.1% A 0.171s 1781 19.5% A 0.202s 2466 26.9% A 0.232s 3265 35.7% A 0.262s 4174 45.6% A 0.292s 5107 55.8% A 0.322s 5991 65.4% A 0.353s 6780 74.1% A 0.383s 7430 81.2% A 0.413s 7992 87.3% A 0.443s 8446 92.3% A 0.473s 8777 95.9% A 0.504s 9024 98.6% A 0.534s 9137 99.8% A 0.564s 9151 100.0% B 0.020s 0 0.0% B 0.050s 106 1.2% B 0.081s 369 4.0% B 0.111s 713 7.8% B 0.141s 1184 12.9% B 0.171s 1752 19.1% B 0.202s 2442 26.7% B 0.232s 3240 35.4% B 0.262s 4135 45.2% B 0.292s 5072 55.4% B 0.322s 5961 65.1% B 0.353s 6750 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.443s 8443 92.2% B 0.474s 8786 96.0% B 0.504s 9018 98.5% B 0.534s 9136 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9148 99.9% A 0.050s 9043 98.8% A 0.081s 8773 95.8% A 0.111s 8421 92.0% A 0.141s 7957 86.9% A 0.171s 7377 80.6% A 0.201s 6685 73.0% A 0.232s 5894 64.4% A 0.262s 4974 54.3% A 0.292s 4037 44.1% A 0.322s 3164 34.6% A 0.353s 2379 26.0% A 0.383s 1717 18.8% A 0.413s 1143 12.5% A 0.443s 693 7.6% A 0.473s 360 3.9% A 0.504s 125 1.4% A 0.534s 15 0.2% A 0.564s 3 0.0% B 0.020s 9142 99.9% B 0.050s 9017 98.5% B 0.081s 8769 95.8% B 0.111s 8420 92.0% B 0.141s 7951 86.9% B 0.171s 7378 80.6% B 0.202s 6689 73.1% B 0.232s 5891 64.4% B 0.262s 4978 54.4% B 0.292s 4052 44.3% B 0.323s 3164 34.6% B 0.353s 2393 26.1% B 0.383s 1703 18.6% B 0.413s 1146 12.5% B 0.444s 700 7.6% B 0.474s 355 3.9% B 0.504s 132 1.4% B 0.534s 14 0.2% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R