CHL Preflight Night 61309
Executing preflight for 61309 at Fri Sep 25 18:43:23 -03 2026.
Log can be found in /atlas/obs/04/61309/preflight.dat.
Setting donefile '/atlas/obs/04/61309/preflight_complete.20260925214323.22901' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260925214323.22901.
Fri Sep 25 18:43:23 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Sep 25 18:43:23 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [6ae65bf8-9073-4b29-9d91-f9cdfff61a43;1800]
Fri Sep 25 18:43:23 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Sep 25 18:43:23 -03 2026 [elapsed=0 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Sep 25 18:43:23 -03 2026 [elapsed=0 sec] auxcam is disabled.
Fri Sep 25 18:43:23 -03 2026 [elapsed=0 sec] Skipping auxcam.
error: unknown module: vent
Fri Sep 25 18:43:23 -03 2026 [elapsed=0 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1790372596
OK
Fri Sep 25 18:43:24 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Sep 25 18:43:24 -03 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
Fri Sep 25 18:43:25 -03 2026 [elapsed=2 sec] SCREENS
admin dash-tcsdata...OK
admin dash-recent...OK
admin dash-skycoverage...OK
admin dash-logstamp...OK
proc1 redq...OK
proc1 prochain-redpost-04a...OK
proc1 prochain-redpost-04x...OK
Fri Sep 25 18:43:26 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Sep 25 18:43:26 -03 2026 [elapsed=3 sec] CLOCKS
admin: Fri Sep 25 21:43:26 UTC 2026
metbox: OK
proc1: OK
proc2: OK
proc3: OK
proc4: OK
archon: OK
NTP:
remote refid st t when poll reach delay offset jitter
==============================================================================
*metbox2.chl.atl .PPS. 1 u 290 512 377 0.306 0.586 0.064
+10.0.11.4 .GPS. 1 u 313 512 377 0.691 0.816 0.084
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 102 512 377 152.735 -4.338 1.371
-185.125.190.57 29.88.99.4 2 u 425 1024 377 222.880 -7.141 0.977
-185.125.190.56 145.238.80.80 2 u 263 1024 377 221.100 -5.117 2.782
-185.125.190.58 29.88.99.4 2 u 79 1024 377 230.816 -10.553 1.517
Fri Sep 25 18:43:27 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (8861GB)
200GB available in /atlas/red...OK (12049GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 1.8T 8.5T 18% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
admin:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/mapper/ubuntu--vg-ubuntu--lv 58G 18G 38G 32% /
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/sda2 974M 321M 586M 36% /boot
archon:/dev/sda1 511M 4.4M 507M 1% /boot/efi
proc1:/dev/md0p1 15T 2.2T 12T 16% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc2:/dev/md0p1 15T 452G 13T 4% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 903G 13T 7% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc4:/dev/md0p1 15T 696G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Fri Sep 25 18:43:28 -03 2026 [elapsed=5 sec] SERVICES1
xcam
chiller...OK
dome...OK
mount...OK
modo...OK
cam...OK
acam...OK
weather...OK
met...OK
sentry...OK
dfm...OK
duplicates...OK
Fri Sep 25 18:43:28 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Fri Sep 25 18:43:28 -03 2026 [elapsed=5 sec] Closing dome.
Fri Sep 25 18:44:11 -03 2026 [elapsed=48 sec] SERVICES2
Fri Sep 25 18:44:13 -03 2026 [elapsed=50 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Sep 25 18:44:17 -03 2026 [elapsed=54 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=1.6e+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=35.00 CLOSED/CLOSED (0%) IDLE
Fri Sep 25 18:47:35 -03 2026 [elapsed=252 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: 258.80 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Fri Sep 25 18:48:32 -03 2026 [elapsed=309 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Sep 25 18:48:54 -03 2026 [elapsed=331 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=126/0 spi=38.1 IDLE
Fri Sep 25 18:48:54 -03 2026 [elapsed=331 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 (-53.7C)
Checking CCD plane: Z0=-198.00 DZDX=+453.00 DZDY=-415.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=126 IDLE
Fri Sep 25 18:48:54 -03 2026 [elapsed=331 sec] WEATHER
status weather: clear 27.1C 22% 10/12kph@299 DP23.8C/-13C/d IDLE
...OK
Fri Sep 25 18:48:55 -03 2026 [elapsed=332 sec] MET
status...OK
met: c=N o=Y Ro5d Co13h Wo18d Ho18d To18d Do7d IDLE
Fri Sep 25 18:48:55 -03 2026 [elapsed=332 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Sep 25 18:48:55 -03 2026 [elapsed=332 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 287.47 -12.93, az/alt=59.88 +60.07 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 -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 378 4.1%
A 0.111s 725 7.9%
A 0.141s 1212 13.2%
A 0.172s 1779 19.4%
A 0.202s 2463 26.9%
A 0.232s 3252 35.5%
A 0.263s 4178 45.6%
A 0.293s 5112 55.8%
A 0.323s 5977 65.3%
A 0.353s 6786 74.1%
A 0.384s 7431 81.2%
A 0.414s 8011 87.5%
A 0.444s 8458 92.4%
A 0.475s 8793 96.1%
A 0.505s 9026 98.6%
A 0.535s 9139 99.8%
A 0.565s 9156 100.0%
B 0.020s 2 0.0%
B 0.050s 91 1.0%
B 0.081s 375 4.1%
B 0.111s 735 8.0%
B 0.141s 1192 13.0%
B 0.172s 1781 19.5%
B 0.202s 2469 27.0%
B 0.232s 3256 35.6%
B 0.262s 4170 45.6%
B 0.293s 5113 55.9%
B 0.323s 5994 65.5%
B 0.353s 6780 74.1%
B 0.383s 7431 81.2%
B 0.413s 8009 87.5%
B 0.444s 8459 92.4%
B 0.474s 8792 96.0%
B 0.504s 9031 98.7%
B 0.534s 9143 99.9%
B 0.565s 9158 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.051s 9052 98.9%
A 0.081s 8771 95.8%
A 0.111s 8428 92.1%
A 0.142s 7970 87.1%
A 0.172s 7361 80.4%
A 0.202s 6688 73.1%
A 0.233s 5895 64.4%
A 0.263s 4977 54.4%
A 0.293s 4055 44.3%
A 0.323s 3161 34.5%
A 0.354s 2380 26.0%
A 0.384s 1714 18.7%
A 0.414s 1138 12.4%
A 0.445s 704 7.7%
A 0.475s 356 3.9%
A 0.505s 131 1.4%
A 0.536s 11 0.1%
A 0.566s -4 0.0%
B 0.020s 9146 99.9%
B 0.051s 9031 98.7%
B 0.081s 8760 95.7%
B 0.111s 8404 91.8%
B 0.141s 7942 86.8%
B 0.172s 7356 80.4%
B 0.202s 6662 72.8%
B 0.232s 5872 64.1%
B 0.263s 4957 54.2%
B 0.293s 4006 43.8%
B 0.323s 3141 34.3%
B 0.354s 2350 25.7%
B 0.384s 1680 18.4%
B 0.414s 1116 12.2%
B 0.445s 661 7.2%
B 0.475s 344 3.8%
B 0.505s 113 1.2%
B 0.535s 3 0.0%
A 0 0.0mm 15 N F R | B -1 -0.0mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.565 seconds.
Shutter B opened to 100.0 percent in 0.565 seconds.
Shutter A closed to 0.0 percent in 0.566 seconds.
Shutter B closed to 0.0 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.18e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9894 IDLE
Fri Sep 25 18:49:31 -03 2026 [elapsed=368 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=126/0 spi=38.1 IDLE
taking preflight exposures:
acam...OK
acam image:
160M Sep 25 18:49 /atlas/obs/04a/61309/04a61309e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Sep 25 18:49:53 -03 2026 [elapsed=390 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (75 seconds old)
OTA humidity level...OK (9%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Sep 25 18:49:53 -03 2026 [elapsed=390 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61308.90965066|info|galildriver|using focus model: foc=9830+(3.50)*23.1+(-0.35)*60.2=9889.8
61308.90965567|info|galildriver|o 3 IN | cass: 6103621 30.52 mm b=23 move=NO | arm: 407006 473.82 mm b=03 move=OK | foc: 53271928 9895 um b=8f M [focus]
61308.90966583|info|galildriver|o 3 IN | cass: 6103621 30.52 mm b=23 move=NO | arm: 407006 473.82 mm b=03 move=OK | foc: 53272271 9893 um b=0f [cmd]
bestfocus for o...OK
Fri Sep 25 18:49:55 -03 2026 [elapsed=392 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Sep 25 18:50:24 -03 2026 [elapsed=421 sec] Disabling mount tracking.
Waiting on the mount ... done.
Turning tracking off ... done.
Waiting on the mount ... done.
Recheck mount status ... done.
sitepsw 3 OFF redLED
sitepsw 4 OFF whiteLED
Preflight completed successfully. See
http://tinyurl.com/chlpreflight
--
Please reduce summit bandwidth by turning off your webcam viewer.
Fri Sep 25 18:50:25 -03 2026 [elapsed=422 sec] Happy observing!
Fri Sep 25 18:50:25 -03 2026 [elapsed=422 sec] Preflight took 422 seconds to complete.
Fri Sep 25 18:50:25 -03 2026 [elapsed=422 sec] STARTING CLEANUP
Turning off LEDs
sitepsw 3 OFF redLED
sitepsw 4 OFF whiteLED
Releasing TCS lock [preflight]
OK TCS lock released by preflight-CHL
Preflight image
Shutter acutation data:
A 0.020s 3 0.0% A 0.050s 115 1.3% A 0.081s 385 4.2% A 0.111s 724 7.9% A 0.141s 1180 12.9% A 0.171s 1762 19.2% A 0.201s 2441 26.7% A 0.232s 3239 35.4% A 0.262s 4144 45.3% A 0.292s 5073 55.4% A 0.322s 5971 65.2% A 0.353s 6751 73.7% A 0.383s 7413 81.0% A 0.413s 7990 87.3% A 0.443s 8445 92.3% A 0.474s 8784 96.0% A 0.504s 9021 98.5% A 0.534s 9136 99.8% A 0.564s 9154 100.0% B 0.020s 1 0.0% B 0.050s 106 1.2% B 0.081s 370 4.0% B 0.111s 713 7.8% B 0.141s 1186 13.0% B 0.171s 1751 19.1% B 0.201s 2442 26.7% B 0.232s 3242 35.4% B 0.262s 4135 45.2% B 0.292s 5073 55.4% B 0.322s 5933 64.8% B 0.352s 6726 73.5% B 0.383s 7401 80.8% B 0.413s 7968 87.0% B 0.443s 8430 92.1% B 0.474s 8776 95.9% B 0.504s 9012 98.4% B 0.534s 9134 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9050 98.9% A 0.081s 8778 95.9% A 0.111s 8420 92.0% A 0.141s 7959 86.9% A 0.171s 7380 80.6% A 0.202s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4982 54.4% A 0.293s 4038 44.1% A 0.323s 3167 34.6% A 0.353s 2386 26.1% A 0.383s 1711 18.7% A 0.414s 1147 12.5% A 0.444s 692 7.6% A 0.474s 359 3.9% A 0.504s 125 1.4% A 0.535s 14 0.2% A 0.565s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9020 98.5% B 0.081s 8772 95.8% B 0.111s 8423 92.0% B 0.141s 7954 86.9% B 0.171s 7381 80.6% B 0.201s 6691 73.1% B 0.232s 5892 64.4% B 0.262s 4980 54.4% B 0.292s 4056 44.3% B 0.322s 3166 34.6% B 0.353s 2393 26.1% B 0.383s 1701 18.6% B 0.413s 1146 12.5% B 0.443s 699 7.6% B 0.474s 357 3.9% B 0.504s 132 1.4% B 0.534s 14 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R