STH Recent Preflight: 61065
Executing preflight for 61065 at Sat Jan 24 18:46:28 SAST 2026.
Log can be found in /atlas/obs/03/61065/preflight.dat.
Setting donefile '/atlas/obs/03/61065/preflight_complete.20260124164628.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260124164628.14431.
Sat Jan 24 18:46:28 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Jan 24 18:46:28 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [d5e963b1-2c21-4698-a0c9-bee680f4b8f6;1800]
Sat Jan 24 18:46:28 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sat Jan 24 18:46:29 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sat Jan 24 18:46:29 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Sat Jan 24 18:46:29 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Jan 24 18:46:29 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1769273180
OK
Sat Jan 24 18:46:29 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Jan 24 18:46:29 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
Sat Jan 24 18:46:31 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 Jan 24 18:46:31 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Jan 24 18:46:31 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Sat Jan 24 16:46:31 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 1133 1024 376 1.049 0.305 1.967
*metbox2.sth.atl .PPS. 1 u 466 1024 377 0.306 0.310 0.188
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 210.182.58.253 2 u 395 1024 377 24.308 0.664 0.532
+ntp.as3741.net 146.64.58.41 2 u 292 1024 377 23.026 0.320 0.303
+ntp2.as3741.net 146.64.8.7 2 u 398 1024 377 7.235 0.278 0.157
+ntp2.inx.net.za 183.3.52.101 2 u 360 1024 377 7.839 0.544 0.247
-102.222.100.153 196.21.187.2 2 u 250 1024 377 7.818 1.916 0.732
+ntp5.inx.net.za 183.3.52.101 2 u 296 1024 377 8.017 0.348 0.199
+flipping.cloudh 80.72.67.48 3 u 325 1024 377 8.115 0.264 0.166
-102.216.37.99 ( 183.3.52.101 2 u 201 1024 377 73.548 0.294 0.197
#jnb.clearnet.pw 183.3.52.101 2 u 365 1024 377 22.897 6.982 0.754
Sat Jan 24 18:46:36 SAST 2026 [elapsed=8 sec] DISKS
200GB available in /atlas/obs...OK (5957GB)
200GB available in /atlas/red...OK (8676GB)
Checking disks on admin ... archon ... tcs ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p2 11T 4.6T 5.7T 45% /
admin:/dev/loop0 105M 105M 0 100% /snap/core/17247
admin:/dev/loop1 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 5.1T 8.3T 39% /
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 Jan 24 18:46:36 SAST 2026 [elapsed=8 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 Jan 24 18:46:37 SAST 2026 [elapsed=9 sec] Disabling mount tracking.
Sat Jan 24 18:46:37 SAST 2026 [elapsed=9 sec] SERVICES2
Sat Jan 24 18:46:37 SAST 2026 [elapsed=9 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Jan 24 18:46:41 SAST 2026 [elapsed=13 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=1.45e+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 Jan 24 18:49:36 SAST 2026 [elapsed=188 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: 35.14 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Sat Jan 24 18:50:34 SAST 2026 [elapsed=246 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Jan 24 18:50:55 SAST 2026 [elapsed=267 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=52.7 IDLE
Sat Jan 24 18:50:55 SAST 2026 [elapsed=267 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (10 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.5C)
Checking CCD plane: Z0=+1805.00 DZDX=-909.00 DZDY=+4625.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Jan 24 18:50:55 SAST 2026 [elapsed=267 sec] WEATHER
status weather: clear 26.9C 17% 25/29kph@276 DP27.0C/6C/d IDLE
...OK
Sat Jan 24 18:50:55 SAST 2026 [elapsed=267 sec] MET
status...OK
met: c=N o=Y Ro20d Co7d Wo1d Ho1d To25d Do10d IDLE
Sat Jan 24 18:50:55 SAST 2026 [elapsed=267 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Jan 24 18:50:57 SAST 2026 [elapsed=269 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 64.07 -14.63, 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 -1 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 7 0.1%
A 0.051s 104 1.1%
A 0.081s 383 4.2%
A 0.111s 722 7.9%
A 0.142s 1174 12.8%
A 0.172s 1763 19.3%
A 0.202s 2442 26.7%
A 0.233s 3371 36.8%
A 0.263s 4135 45.2%
A 0.293s 5086 55.6%
A 0.323s 5990 65.4%
A 0.354s 6825 74.6%
A 0.384s 7418 81.0%
A 0.414s 7983 87.2%
A 0.444s 8452 92.3%
A 0.475s 8779 95.9%
A 0.505s 9016 98.5%
A 0.535s 9148 99.9%
B 0.020s 2 0.0%
B 0.050s 105 1.1%
B 0.081s 397 4.3%
B 0.111s 778 8.5%
B 0.141s 1216 13.3%
B 0.172s 1796 19.6%
B 0.202s 2494 27.2%
B 0.232s 3285 35.9%
B 0.262s 4200 45.9%
B 0.293s 5134 56.1%
B 0.323s 6019 65.8%
B 0.353s 6797 74.3%
B 0.384s 7455 81.4%
B 0.414s 8026 87.7%
B 0.444s 8466 92.5%
B 0.474s 8805 96.2%
B 0.505s 9031 98.7%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.051s 9056 98.9%
A 0.081s 8759 95.7%
A 0.111s 8401 91.8%
A 0.142s 7951 86.9%
A 0.172s 7349 80.3%
A 0.202s 6669 72.9%
A 0.233s 5870 64.1%
A 0.263s 4952 54.1%
A 0.294s 3984 43.5%
A 0.324s 3111 34.0%
A 0.354s 2330 25.5%
A 0.385s 1671 18.3%
A 0.415s 1116 12.2%
A 0.446s 672 7.3%
A 0.476s 338 3.7%
A 0.506s 121 1.3%
A 0.537s 6 0.1%
B 0.020s 9146 99.9%
B 0.051s 9033 98.7%
B 0.081s 8769 95.8%
B 0.111s 8409 91.9%
B 0.142s 7939 86.7%
B 0.172s 7358 80.4%
B 0.203s 6669 72.9%
B 0.233s 5869 64.1%
B 0.263s 4953 54.1%
B 0.294s 4021 43.9%
B 0.324s 3138 34.3%
B 0.355s 2361 25.8%
B 0.385s 1674 18.3%
B 0.416s 1111 12.1%
B 0.446s 672 7.3%
B 0.476s 338 3.7%
B 0.507s 118 1.3%
B 0.537s 9 0.1%
A 1 0.0mm 15 N F R | B -4 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 99.9 percent in 0.535 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.1 percent in 0.537 seconds.
Shutter B closed to 0.1 percent in 0.537 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 224kB time=00:00:07.16 bitrate= 256.1kbits/s speed= 941x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9271 IDLE
Sat Jan 24 18:51:40 SAST 2026 [elapsed=312 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=52.7 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Jan 24 18:51 /atlas/obs/03a/61065/03a61065e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Jan 24 18:52:03 SAST 2026 [elapsed=335 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (16 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Jan 24 18:52:03 SAST 2026 [elapsed=335 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61064.70281958|info|galildriver|using focus model: foc=9187+(4.30)*25.6+(-0.40)*60.2=9273.0
61064.70282449|info|galildriver|o 2 IN | cass: 3045285 15.23 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54013654 9271 um b=2f [cmd]
bestfocus for o...OK
Sat Jan 24 18:52:04 SAST 2026 [elapsed=336 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Jan 24 18:52:33 SAST 2026 [elapsed=365 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 Jan 24 18:52:35 SAST 2026 [elapsed=367 sec] NOTICES: det_dzdx=-909 is outside range +-250 from -558; det_dzdy=4625 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 Jan 24 18:52:35 SAST 2026 [elapsed=367 sec] Happy observing!
Sat Jan 24 18:52:35 SAST 2026 [elapsed=367 sec] Preflight took 367 seconds to complete.
Sat Jan 24 18:52:35 SAST 2026 [elapsed=367 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 0.050s 110 1.2% A 0.081s 374 4.1% A 0.111s 718 7.8% A 0.141s 1181 12.9% A 0.171s 1760 19.2% A 0.202s 2441 26.7% A 0.232s 3238 35.4% A 0.262s 4144 45.3% A 0.292s 5076 55.5% A 0.322s 5963 65.1% A 0.353s 6756 73.8% A 0.383s 7411 81.0% A 0.413s 7991 87.3% A 0.444s 8445 92.3% A 0.474s 8779 95.9% A 0.504s 9025 98.6% A 0.535s 9137 99.8% A 0.565s 9151 100.0% B 0.020s 2 0.0% B 0.050s 104 1.1% B 0.081s 371 4.1% B 0.111s 715 7.8% B 0.141s 1186 13.0% B 0.171s 1754 19.2% B 0.202s 2443 26.7% B 0.232s 3239 35.4% B 0.262s 4136 45.2% B 0.292s 5074 55.4% B 0.323s 5962 65.1% B 0.353s 6749 73.7% B 0.383s 7419 81.0% B 0.413s 7985 87.2% B 0.444s 8442 92.2% B 0.474s 8786 96.0% B 0.504s 9018 98.5% B 0.535s 9135 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9040 98.8% A 0.081s 8767 95.8% A 0.111s 8413 91.9% A 0.141s 7944 86.8% A 0.172s 7358 80.4% A 0.202s 6666 72.8% A 0.232s 5869 64.1% A 0.262s 4946 54.0% A 0.293s 4011 43.8% A 0.323s 3139 34.3% A 0.353s 2358 25.8% A 0.383s 1695 18.5% A 0.414s 1126 12.3% A 0.444s 680 7.4% A 0.474s 349 3.8% A 0.504s 119 1.3% A 0.535s 13 0.1% A 0.565s 2 0.0% B 0.020s 9146 99.9% B 0.050s 9023 98.6% B 0.081s 8780 95.9% B 0.111s 8434 92.1% B 0.141s 7968 87.0% B 0.171s 7398 80.8% B 0.201s 6712 73.3% B 0.232s 5921 64.7% B 0.262s 5012 54.8% B 0.292s 4081 44.6% B 0.322s 3191 34.9% B 0.353s 2417 26.4% B 0.383s 1726 18.9% B 0.413s 1178 12.9% B 0.443s 726 7.9% B 0.474s 365 4.0% B 0.504s 144 1.6% B 0.534s 18 0.2% B 0.565s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R