STH Recent Preflight: 61187
Executing preflight for 61187 at Tue May 26 16:43:55 SAST 2026.
Log can be found in /atlas/obs/03/61187/preflight.dat.
Setting donefile '/atlas/obs/03/61187/preflight_complete.20260526144355.11042' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260526144355.11042.
Tue May 26 16:43:55 SAST 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue May 26 16:43:55 SAST 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-STH [c3181c62-5d3a-4846-80b0-d55239424335;1800]
Tue May 26 16:43:55 SAST 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
doorpsw 3 ON redLED
Tue May 26 16:43:56 SAST 2026 [elapsed=1 sec] About to start STH preflight. Point your web browser at http://localhost:7354.
Tue May 26 16:43:56 SAST 2026 [elapsed=1 sec] auxcam is disabled.
Tue May 26 16:43:56 SAST 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue May 26 16:43:56 SAST 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1779806632
OK
Tue May 26 16:43:56 SAST 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue May 26 16:43:56 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 May 26 16:43:58 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 May 26 16:43:58 SAST 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Tue May 26 16:43:58 SAST 2026 [elapsed=3 sec] CLOCKS
admin: Tue May 26 14:43:58 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 177 1024 77 1.035 0.054 0.166
*metbox2.sth.atl .PPS. 1 u 229 1024 377 0.294 0.058 0.235
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-zibbi.ngei.csir 155.232.19.8 2 u 39 1024 377 24.301 -1.365 0.469
+ntp.as3741.net 210.182.58.253 2 u 88 1024 377 22.888 0.001 0.345
+ntp2.as3741.net 129.134.26.123 2 u 921 1024 377 7.321 -0.043 0.564
+ntp2.inx.net.za 183.3.52.101 2 u 33 1024 377 7.310 0.024 0.142
102.222.100.153 196.21.187.2 2 u 27d 1024 0 7.937 0.836 0.000
-ntp5.inx.net.za 183.3.52.101 2 u 41 1024 377 7.414 0.212 0.367
+flipping.cloudh 80.72.67.48 3 u 762 1024 377 7.675 0.007 1.174
102.216.37.99 ( 210.182.58.253 2 u 113d 1024 0 73.586 -0.040 0.000
+139.84.231.151 183.3.52.101 2 u 155 1024 377 22.775 0.078 0.421
Tue May 26 16:44:01 SAST 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (6275GB)
200GB available in /atlas/red...OK (9435GB)
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/loop2 106M 106M 0 100% /snap/core/17284
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/sda2 117G 21G 91G 19% /
archon:/dev/sda1 511M 6.6M 505M 2% /boot/efi
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/loop0 106M 106M 0 100% /snap/core/17292
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 4.4T 9.0T 33% /
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/loop1 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 739G 13T 6% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc4:/dev/md0p1 15T 1.1T 13T 8% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Tue May 26 16:44:01 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 May 26 16:44:01 SAST 2026 [elapsed=6 sec] Disabling mount tracking.
Tue May 26 16:44:02 SAST 2026 [elapsed=7 sec] SERVICES2
Tue May 26 16:44:02 SAST 2026 [elapsed=7 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue May 26 16:44:06 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= 922kB time=00:00:29.50 bitrate= 256.0kbits/s speed=1.48e+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 May 26 16:46:37 SAST 2026 [elapsed=162 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: 124.56 -29.49, az/alt=324.66 +86.49 idle(e) IDLE
Tue May 26 16:47:34 SAST 2026 [elapsed=219 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue May 26 16:47:55 SAST 2026 [elapsed=240 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=46.2 IDLE
Tue May 26 16:47:55 SAST 2026 [elapsed=240 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 (-54.7C)
Checking CCD plane: Z0=+1724.00 DZDX=-888.00 DZDY=+2713.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue May 26 16:47:55 SAST 2026 [elapsed=240 sec] WEATHER
status weather: clear 15.1C 46% 4/6kph@266 DP9.9C/-53C/d IDLE
...OK
Tue May 26 16:47:56 SAST 2026 [elapsed=241 sec] MET
status...OK
met: c=N o=Y Ro5d Co2d Wo5d Ho2d To5d Do2d IDLE
Tue May 26 16:47:56 SAST 2026 [elapsed=241 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue May 26 16:47:57 SAST 2026 [elapsed=242 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 153.48 -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 -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 107 1.2%
A 0.081s 392 4.3%
A 0.111s 733 8.0%
A 0.142s 1190 13.0%
A 0.172s 1783 19.5%
A 0.202s 2465 26.9%
A 0.232s 3259 35.6%
A 0.263s 4162 45.5%
A 0.293s 5115 55.9%
A 0.323s 5990 65.4%
A 0.354s 6781 74.1%
A 0.384s 7439 81.3%
A 0.414s 7999 87.4%
A 0.444s 8466 92.5%
A 0.475s 8792 96.0%
A 0.505s 9020 98.5%
A 0.535s 9153 100.0%
B 0.020s 2 0.0%
B 0.050s 103 1.1%
B 0.081s 395 4.3%
B 0.111s 740 8.1%
B 0.141s 1215 13.3%
B 0.172s 1797 19.6%
B 0.202s 2490 27.2%
B 0.232s 3283 35.9%
B 0.262s 4197 45.8%
B 0.293s 5131 56.1%
B 0.323s 6020 65.8%
B 0.353s 6797 74.3%
B 0.383s 7456 81.5%
B 0.414s 8026 87.7%
B 0.444s 8468 92.5%
B 0.474s 8806 96.2%
B 0.504s 9034 98.7%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9063 99.0%
A 0.081s 8771 95.8%
A 0.111s 8416 91.9%
A 0.141s 7967 87.0%
A 0.172s 7374 80.6%
A 0.202s 6693 73.1%
A 0.232s 5895 64.4%
A 0.263s 4983 54.4%
A 0.293s 4044 44.2%
A 0.323s 3165 34.6%
A 0.353s 2378 26.0%
A 0.384s 1710 18.7%
A 0.414s 1147 12.5%
A 0.444s 699 7.6%
A 0.475s 355 3.9%
A 0.505s 129 1.4%
A 0.535s 10 0.1%
A 0.565s -6 0.0%
B 0.020s 9145 99.9%
B 0.050s 9027 98.6%
B 0.081s 8763 95.7%
B 0.111s 8410 91.9%
B 0.141s 7940 86.7%
B 0.172s 7359 80.4%
B 0.202s 6671 72.9%
B 0.232s 5869 64.1%
B 0.262s 4953 54.1%
B 0.293s 4021 43.9%
B 0.323s 3137 34.3%
B 0.353s 2361 25.8%
B 0.383s 1693 18.5%
B 0.414s 1124 12.3%
B 0.444s 685 7.5%
B 0.474s 346 3.8%
B 0.505s 122 1.3%
B 0.535s 11 0.1%
B 0.565s -4 0.0%
A 1 0.0mm 15 N F R | B -4 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.535 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.0 percent in 0.565 seconds.
Shutter B closed to 0.0 percent in 0.565 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 224kB time=00:00:07.16 bitrate= 256.1kbits/s speed=1.05e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[2] foc=9230 IDLE
Tue May 26 16:48:54 SAST 2026 [elapsed=299 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=46.2 IDLE
taking preflight exposures:
acam...OK
acam image:
124M May 26 16:49 /atlas/obs/03a/61187/03a61187e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue May 26 16:49:17 SAST 2026 [elapsed=322 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (30 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue May 26 16:49:17 SAST 2026 [elapsed=322 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61186.61756612|info|galildriver|using focus model: foc=9187+(4.30)*16.8+(-0.40)*60.2=9235.1
61186.61757138|info|galildriver|o 2 IN | cass: 3046651 15.23 mm b=23 move=NO | arm: 408733 475.83 mm b=03 move=OK | foc: 54005561 9231 um b=8f M [focus]
61186.61758201|info|galildriver|o 2 IN | cass: 3046650 15.23 mm b=23 move=NO | arm: 408733 475.83 mm b=03 move=OK | foc: 54005635 9231 um b=2f [cmd]
bestfocus for o...OK
Tue May 26 16:49:20 SAST 2026 [elapsed=325 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue May 26 16:49:50 SAST 2026 [elapsed=355 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 May 26 16:49:51 SAST 2026 [elapsed=356 sec] NOTICES: det_dzdx=-888 is outside range +-250 from -558; det_dzdy=2713 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 May 26 16:49:51 SAST 2026 [elapsed=356 sec] Happy observing!
Tue May 26 16:49:51 SAST 2026 [elapsed=356 sec] Preflight took 356 seconds to complete.
Tue May 26 16:49:51 SAST 2026 [elapsed=356 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 114 1.2% A 0.081s 385 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.172s 1783 19.5% A 0.202s 2467 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.293s 5103 55.7% A 0.323s 5998 65.5% A 0.353s 6776 74.0% A 0.383s 7433 81.2% A 0.414s 8006 87.5% A 0.444s 8458 92.4% A 0.474s 8792 96.0% A 0.504s 9028 98.6% A 0.535s 9137 99.8% A 0.565s 9153 100.0% B 0.020s 2 0.0% B 0.050s 120 1.3% B 0.081s 380 4.2% B 0.111s 728 8.0% B 0.141s 1203 13.1% B 0.171s 1774 19.4% B 0.202s 2465 26.9% B 0.232s 3268 35.7% B 0.262s 4169 45.5% B 0.292s 5104 55.8% B 0.323s 5989 65.4% B 0.353s 6769 73.9% B 0.383s 7440 81.3% B 0.413s 8002 87.4% B 0.444s 8457 92.4% B 0.474s 8796 96.1% B 0.504s 9022 98.6% B 0.535s 9139 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9048 98.8% A 0.081s 8780 95.9% A 0.111s 8421 92.0% A 0.141s 7959 86.9% A 0.171s 7382 80.6% A 0.202s 6693 73.1% A 0.232s 5896 64.4% A 0.262s 4983 54.4% A 0.292s 4040 44.1% A 0.323s 3167 34.6% A 0.353s 2385 26.1% A 0.383s 1709 18.7% A 0.413s 1147 12.5% A 0.444s 693 7.6% A 0.474s 358 3.9% A 0.504s 124 1.4% A 0.534s 13 0.1% A 0.564s 3 0.0% B 0.020s 9143 99.9% B 0.050s 9018 98.5% B 0.081s 8770 95.8% B 0.111s 8420 92.0% B 0.141s 7951 86.9% B 0.172s 7376 80.6% B 0.202s 6688 73.1% B 0.232s 5892 64.4% B 0.262s 4980 54.4% B 0.293s 4053 44.3% B 0.323s 3161 34.5% B 0.353s 2391 26.1% B 0.384s 1704 18.6% B 0.414s 1147 12.5% B 0.444s 700 7.6% B 0.474s 356 3.9% B 0.504s 132 1.4% B 0.535s 14 0.2% B 0.565s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R