STH Recent Preflight: 61066
Executing preflight for 61066 at Sun Jan 25 18:46:09 SAST 2026.
Log can be found in /atlas/obs/03/61066/preflight.dat.
Setting donefile '/atlas/obs/03/61066/preflight_complete.20260125164609.14431' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260125164609.14431.
Sun Jan 25 18:46:10 SAST 2026 [elapsed=1 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Jan 25 18:46:10 SAST 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [b21fd2fc-2293-430f-a7a0-d3ba4ff0a967;1800]
Sun Jan 25 18:46:10 SAST 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Sun Jan 25 18:46:11 SAST 2026 [elapsed=2 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Sun Jan 25 18:46:11 SAST 2026 [elapsed=2 sec] auxcam is disabled.
Sun Jan 25 18:46:11 SAST 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Sun Jan 25 18:46:11 SAST 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1769359566
OK
Sun Jan 25 18:46:11 SAST 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Sun Jan 25 18:46:11 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
Sun Jan 25 18:46:12 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
Sun Jan 25 18:46:13 SAST 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Sun Jan 25 18:46:13 SAST 2026 [elapsed=4 sec] CLOCKS
admin: Sun Jan 25 16:46:13 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 600 1024 377 0.999 0.127 0.226
*metbox2.sth.atl .PPS. 1 u 897 1024 377 0.305 0.034 0.047
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 183.3.52.101 2 u 610 1024 377 24.373 0.333 0.294
-ntp.as3741.net 146.64.58.41 2 u 433 1024 377 23.003 -0.095 0.161
-ntp2.as3741.net 146.64.8.7 2 u 703 1024 377 7.315 0.009 3.200
-ntp2.inx.net.za 183.3.52.101 2 u 556 1024 377 7.941 0.184 0.142
-102.222.100.153 155.232.19.7 2 u 231 1024 377 7.857 1.862 1.168
-ntp5.inx.net.za 183.3.52.101 2 u 302 1024 377 8.011 0.052 0.078
+flipping.cloudh 80.72.67.48 3 u 707 1024 377 8.203 0.214 0.116
#102.216.37.99 ( 210.182.58.253 2 u 751 1024 377 73.661 4.008 0.231
-jnb.clearnet.pw 196.21.187.2 2 u 757 1024 377 22.840 0.146 1.667
Sun Jan 25 18:46:15 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (5930GB)
200GB available in /atlas/red...OK (8669GB)
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
Sun Jan 25 18:46:15 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
Sun Jan 25 18:46:16 SAST 2026 [elapsed=7 sec] Disabling mount tracking.
Sun Jan 25 18:46:16 SAST 2026 [elapsed=7 sec] SERVICES2
Sun Jan 25 18:46:16 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Jan 25 18:46:20 SAST 2026 [elapsed=11 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= 912kB time=00:00:29.18 bitrate= 256.0kbits/s speed=1.49e+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
Sun Jan 25 18:48:50 SAST 2026 [elapsed=161 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: 35.94 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Sun Jan 25 18:49:48 SAST 2026 [elapsed=219 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Jan 25 18:50:10 SAST 2026 [elapsed=241 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.5 IDLE
Sun Jan 25 18:50:10 SAST 2026 [elapsed=241 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 (-53.4C)
Checking CCD plane: Z0=+1811.00 DZDX=-910.00 DZDY=+4765.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Jan 25 18:50:10 SAST 2026 [elapsed=241 sec] WEATHER
status weather: clear 27.4C 14% 27/35kph@296 DP29.0C/-9C/d IDLE
...OK
Sun Jan 25 18:50:10 SAST 2026 [elapsed=241 sec] MET
status...OK
met: c=N o=Y Ro21d Co8d Wo2d Ho2d To26d Do11d IDLE
Sun Jan 25 18:50:10 SAST 2026 [elapsed=241 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Jan 25 18:50:10 SAST 2026 [elapsed=241 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 64.86 -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 2 0.0%
B 0.020s -1 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 -1 -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 394 4.3%
A 0.111s 736 8.0%
A 0.142s 1192 13.0%
A 0.172s 1784 19.5%
A 0.203s 2465 26.9%
A 0.233s 3260 35.6%
A 0.264s 4166 45.5%
A 0.294s 5141 56.2%
A 0.324s 6017 65.7%
A 0.355s 6806 74.4%
A 0.385s 7455 81.4%
A 0.416s 8017 87.6%
A 0.446s 8478 92.6%
A 0.476s 8805 96.2%
A 0.507s 9035 98.7%
A 0.537s 9153 100.0%
B 0.020s 1 0.0%
B 0.051s 96 1.0%
B 0.081s 386 4.2%
B 0.111s 727 7.9%
B 0.142s 1201 13.1%
B 0.172s 1778 19.4%
B 0.202s 2466 26.9%
B 0.232s 3260 35.6%
B 0.263s 4170 45.6%
B 0.293s 5190 56.7%
B 0.323s 5991 65.4%
B 0.354s 6775 74.0%
B 0.384s 7434 81.2%
B 0.415s 8028 87.7%
B 0.445s 8455 92.4%
B 0.475s 8795 96.1%
B 0.506s 9032 98.7%
B 0.536s 9143 99.9%
B 0.567s 9157 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9061 99.0%
A 0.081s 8770 95.8%
A 0.112s 8413 91.9%
A 0.142s 7967 87.0%
A 0.172s 7349 80.3%
A 0.203s 6668 72.8%
A 0.233s 5869 64.1%
A 0.263s 4952 54.1%
A 0.294s 4016 43.9%
A 0.324s 3138 34.3%
A 0.354s 2353 25.7%
A 0.385s 1692 18.5%
A 0.415s 1132 12.4%
A 0.446s 635 6.9%
A 0.476s 346 3.8%
A 0.506s 126 1.4%
A 0.537s 10 0.1%
A 0.567s -6 0.0%
B 0.020s 9146 99.9%
B 0.051s 9020 98.5%
B 0.081s 8768 95.8%
B 0.111s 8422 92.0%
B 0.142s 7957 86.9%
B 0.172s 7360 80.4%
B 0.202s 6705 73.2%
B 0.233s 5898 64.4%
B 0.263s 4976 54.4%
B 0.293s 4032 44.0%
B 0.324s 3128 34.2%
B 0.354s 2362 25.8%
B 0.384s 1719 18.8%
B 0.415s 1121 12.2%
B 0.445s 684 7.5%
B 0.476s 348 3.8%
B 0.506s 119 1.3%
B 0.537s 10 0.1%
B 0.567s -6 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 0.537 seconds.
Shutter B opened to 100.0 percent in 0.567 seconds.
Shutter A closed to 0.0 percent in 0.567 seconds.
Shutter B closed to 0.0 percent in 0.567 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed= 977x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9273 IDLE
Sun Jan 25 18:50:54 SAST 2026 [elapsed=285 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.5 IDLE
taking preflight exposures:
acam...OK
acam image:
126M Jan 25 18:51 /atlas/obs/03a/61066/03a61066e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Jan 25 18:51:16 SAST 2026 [elapsed=307 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (59 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Jan 25 18:51:16 SAST 2026 [elapsed=307 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61065.70227857|info|galildriver|using focus model: foc=9187+(4.30)*26.2+(-0.40)*60.2=9275.6
61065.70228348|info|galildriver|o 2 IN | cass: 3044747 15.22 mm b=23 move=NO | arm: 408826 475.94 mm b=03 move=OK | foc: 54014112 9274 um b=2f [cmd]
bestfocus for o...OK
Sun Jan 25 18:51:18 SAST 2026 [elapsed=309 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Jan 25 18:51:48 SAST 2026 [elapsed=339 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
Sun Jan 25 18:51:49 SAST 2026 [elapsed=340 sec] NOTICES: det_dzdx=-910 is outside range +-250 from -558; det_dzdy=4765 is outside range +-250 from -1915;
Preflight completed successfully. See
http://tinyurl.com/sthpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Sun Jan 25 18:51:49 SAST 2026 [elapsed=340 sec] Happy observing!
Sun Jan 25 18:51:49 SAST 2026 [elapsed=340 sec] Preflight took 340 seconds to complete.
Sun Jan 25 18:51:49 SAST 2026 [elapsed=340 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