CHL Preflight Night 61340
Executing preflight for 61340 at Mon Oct 26 19:03:32 -03 2026.
Log can be found in /atlas/obs/04/61340/preflight.dat.
Setting donefile '/atlas/obs/04/61340/preflight_complete.20261026220332.22796' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261026220332.22796.
Mon Oct 26 19:03:32 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Oct 26 19:03:32 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [9946c4ce-0d29-410e-9a56-a56041d02ddd;1800]
Mon Oct 26 19:03:32 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Mon Oct 26 19:03:33 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Mon Oct 26 19:03:33 -03 2026 [elapsed=1 sec] auxcam is disabled.
Mon Oct 26 19:03:33 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Oct 26 19:03:33 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1793052212
OK
Mon Oct 26 19:03:33 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Oct 26 19:03:33 -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
Mon Oct 26 19:03:34 -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
Mon Oct 26 19:03:35 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Oct 26 19:03:35 -03 2026 [elapsed=3 sec] CLOCKS
admin: Mon Oct 26 22:03:35 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 766 1024 377 0.331 0.607 0.164
+10.0.11.4 .GPS. 1 u 783 1024 377 0.498 0.710 0.200
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 591 1024 377 231.402 -11.369 1.067
-185.125.190.56 29.88.99.4 2 u 953 1024 377 223.818 -7.319 1.047
-185.125.190.57 29.88.99.4 2 u 298 1024 377 225.424 -8.936 0.973
+alphyn.canonica 132.163.96.1 2 u 601 1024 371 147.112 -3.314 1.410
Mon Oct 26 19:03:36 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (7226GB)
200GB available in /atlas/red...OK (10661GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 3.4T 6.9T 33% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17284
admin:/dev/loop1 106M 106M 0 100% /snap/core/17292
archon:/dev/mapper/ubuntu--vg-ubuntu--lv 58G 18G 38G 32% /
archon:/dev/loop0 106M 106M 0 100% /snap/core/17284
archon:/dev/loop1 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 3.5T 11T 26% /
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 454G 13T 4% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
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 697G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Mon Oct 26 19:03:37 -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
Mon Oct 26 19:03:37 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Mon Oct 26 19:03:37 -03 2026 [elapsed=5 sec] SERVICES2
Mon Oct 26 19:03:37 -03 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Oct 26 19:03:41 -03 2026 [elapsed=9 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=1.59e+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
Mon Oct 26 19:07:00 -03 2026 [elapsed=208 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: 294.23 -27.58, az/alt=324.78 +86.49 idle(e) IDLE
Mon Oct 26 19:07:55 -03 2026 [elapsed=263 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Oct 26 19:08:17 -03 2026 [elapsed=285 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.3 IDLE
Mon Oct 26 19:08:17 -03 2026 [elapsed=285 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (8 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.8C)
Checking CCD plane: Z0=-192.00 DZDX=+455.00 DZDY=-419.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Oct 26 19:08:17 -03 2026 [elapsed=285 sec] WEATHER
status weather: clear 22.5C 24% 7/8kph@305 DP20.4C/-69C/d IDLE
...OK
Mon Oct 26 19:08:18 -03 2026 [elapsed=286 sec] MET
status...OK
met: c=N o=Y Ro1h Co26 Wo17d Ho17d To17d Do13d IDLE
Mon Oct 26 19:08:18 -03 2026 [elapsed=286 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Oct 26 19:08:18 -03 2026 [elapsed=286 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 322.89 -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 7 0.1%
A 0.051s 114 1.2%
A 0.081s 383 4.2%
A 0.111s 727 7.9%
A 0.142s 1209 13.2%
A 0.172s 1776 19.4%
A 0.202s 2489 27.2%
A 0.232s 3259 35.6%
A 0.263s 4163 45.5%
A 0.293s 5142 56.2%
A 0.323s 6013 65.7%
A 0.354s 6804 74.3%
A 0.384s 7449 81.4%
A 0.414s 8027 87.7%
A 0.444s 8470 92.5%
A 0.475s 8804 96.2%
A 0.505s 9031 98.7%
A 0.535s 9142 99.9%
A 0.566s 9158 100.0%
B 0.020s 3 0.0%
B 0.050s 97 1.1%
B 0.081s 385 4.2%
B 0.111s 748 8.2%
B 0.141s 1210 13.2%
B 0.172s 1800 19.7%
B 0.202s 2492 27.2%
B 0.232s 3282 35.9%
B 0.263s 4198 45.9%
B 0.293s 5143 56.2%
B 0.323s 6023 65.8%
B 0.354s 6801 74.3%
B 0.384s 7473 81.6%
B 0.415s 8042 87.9%
B 0.445s 8483 92.7%
B 0.475s 8812 96.3%
B 0.506s 9041 98.8%
B 0.536s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.051s 9055 98.9%
A 0.081s 8771 95.8%
A 0.111s 8427 92.1%
A 0.142s 7966 87.0%
A 0.172s 7369 80.5%
A 0.203s 6691 73.1%
A 0.233s 5898 64.4%
A 0.263s 4979 54.4%
A 0.293s 4052 44.3%
A 0.324s 3136 34.3%
A 0.354s 2380 26.0%
A 0.384s 1716 18.7%
A 0.415s 1138 12.4%
A 0.445s 702 7.7%
A 0.475s 347 3.8%
A 0.506s 124 1.4%
A 0.536s 9 0.1%
B 0.020s 9147 99.9%
B 0.050s 9038 98.7%
B 0.081s 8770 95.8%
B 0.111s 8418 92.0%
B 0.141s 7958 86.9%
B 0.171s 7377 80.6%
B 0.202s 6685 73.0%
B 0.232s 5899 64.4%
B 0.263s 4987 54.5%
B 0.293s 4034 44.1%
B 0.323s 3142 34.3%
B 0.354s 2348 25.6%
B 0.384s 1698 18.5%
B 0.414s 1134 12.4%
B 0.445s 674 7.4%
B 0.475s 350 3.8%
B 0.506s 119 1.3%
B 0.536s 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 0.566 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.0 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.19e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9866 IDLE
Mon Oct 26 19:08:54 -03 2026 [elapsed=322 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.3 IDLE
taking preflight exposures:
acam...OK
acam image:
160M Oct 26 19:09 /atlas/obs/04a/61340/04a61340e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Oct 26 19:09:16 -03 2026 [elapsed=344 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (67 seconds old)
OTA humidity level...OK (8%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Oct 26 19:09:16 -03 2026 [elapsed=344 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61339.92311445|info|galildriver|using focus model: foc=9830+(3.50)*17.6+(-0.35)*60.2=9870.5
61339.92311947|info|galildriver|o 3 IN | cass: 6102795 30.51 mm b=23 move=NO | arm: 406759 473.54 mm b=03 move=OK | foc: 53277559 9866 um b=8f M [focus]
61339.92312963|info|galildriver|o 3 IN | cass: 6102801 30.51 mm b=23 move=NO | arm: 406759 473.54 mm b=03 move=OK | foc: 53277267 9868 um b=0f [cmd]
bestfocus for o...OK
Mon Oct 26 19:09:19 -03 2026 [elapsed=347 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Oct 26 19:09:46 -03 2026 [elapsed=374 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.
Mon Oct 26 19:09:47 -03 2026 [elapsed=375 sec] Happy observing!
Mon Oct 26 19:09:47 -03 2026 [elapsed=375 sec] Preflight took 375 seconds to complete.
Mon Oct 26 19:09:47 -03 2026 [elapsed=375 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 384 4.2% A 0.111s 737 8.1% A 0.141s 1197 13.1% A 0.171s 1782 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.292s 5104 55.8% A 0.322s 5998 65.5% A 0.353s 6775 74.0% A 0.383s 7432 81.2% A 0.413s 8004 87.4% A 0.444s 8459 92.4% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.534s 9138 99.8% A 0.565s 9154 100.0% B 0.020s 2 0.0% B 0.050s 111 1.2% B 0.081s 380 4.2% B 0.111s 727 7.9% B 0.141s 1202 13.1% B 0.171s 1772 19.4% B 0.201s 2467 26.9% B 0.232s 3268 35.7% B 0.262s 4167 45.5% B 0.292s 5103 55.7% B 0.323s 5988 65.4% B 0.353s 6773 74.0% B 0.383s 7440 81.3% B 0.413s 8002 87.4% B 0.444s 8455 92.4% B 0.474s 8794 96.1% B 0.504s 9023 98.6% B 0.534s 9137 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9055 98.9% A 0.081s 8787 96.0% A 0.111s 8434 92.1% A 0.141s 7974 87.1% A 0.172s 7401 80.8% A 0.202s 6717 73.4% A 0.232s 5923 64.7% A 0.262s 5014 54.8% A 0.293s 4037 44.1% A 0.323s 3194 34.9% A 0.353s 2410 26.3% A 0.383s 1732 18.9% A 0.414s 1163 12.7% A 0.444s 706 7.7% A 0.474s 368 4.0% A 0.504s 130 1.4% A 0.535s 15 0.2% A 0.565s 2 0.0% B 0.020s 9142 99.9% B 0.050s 9024 98.6% B 0.081s 8780 95.9% B 0.111s 8433 92.1% B 0.141s 7969 87.1% B 0.171s 7399 80.8% B 0.202s 6713 73.3% B 0.232s 5920 64.7% B 0.262s 5008 54.7% B 0.292s 4083 44.6% B 0.323s 3191 34.9% B 0.353s 2419 26.4% B 0.383s 1723 18.8% B 0.413s 1159 12.7% B 0.444s 713 7.8% B 0.474s 364 4.0% B 0.504s 138 1.5% B 0.535s 16 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R