CHL Preflight Night 61337
Executing preflight for 61337 at Fri Oct 23 19:01:31 -03 2026.
Log can be found in /atlas/obs/04/61337/preflight.dat.
Setting donefile '/atlas/obs/04/61337/preflight_complete.20261023220131.13860' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261023220131.13860.
Fri Oct 23 19:01:31 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Oct 23 19:01:31 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [a364de17-c65d-4cb4-9538-f1f2deda133d;1800]
Fri Oct 23 19:01:31 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Oct 23 19:01:32 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Oct 23 19:01:32 -03 2026 [elapsed=1 sec] auxcam is disabled.
Fri Oct 23 19:01:32 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Oct 23 19:01:32 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1792792882
OK
Fri Oct 23 19:01:32 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Oct 23 19:01:32 -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 Oct 23 19:01:33 -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 Oct 23 19:01:33 -03 2026 [elapsed=2 sec] QUEUE
0 observations queued.
Fri Oct 23 19:01:33 -03 2026 [elapsed=2 sec] CLOCKS
admin: Fri Oct 23 22:01:33 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 887 1024 377 0.287 -0.396 0.567
+10.0.11.4 .GPS. 1 u 383 1024 377 0.613 -0.231 0.517
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 231 1024 377 232.464 -12.960 0.888
-185.125.190.56 29.88.99.4 2 u 664 1024 377 223.555 -8.743 1.108
-185.125.190.57 29.88.99.4 2 u 1003 1024 377 223.552 -8.097 1.747
+alphyn.canonica 132.163.96.1 2 u 345 1024 337 150.289 1.074 4.027
Fri Oct 23 19:01:34 -03 2026 [elapsed=3 sec] DISKS
200GB available in /atlas/obs...OK (7483GB)
200GB available in /atlas/red...OK (10894GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 3.1T 7.2T 31% /
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 3.3T 11T 24% /
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
Fri Oct 23 19:01:35 -03 2026 [elapsed=4 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 Oct 23 19:01:35 -03 2026 [elapsed=4 sec] Disabling mount tracking.
Fri Oct 23 19:01:35 -03 2026 [elapsed=4 sec] Closing dome.
Fri Oct 23 19:01:53 -03 2026 [elapsed=22 sec] SERVICES2
Fri Oct 23 19:01:53 -03 2026 [elapsed=22 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Oct 23 19:01:57 -03 2026 [elapsed=26 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= 910kB time=00:00:29.12 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 Oct 23 19:05:17 -03 2026 [elapsed=226 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: 290.84 -27.58, az/alt=324.81 +86.49 idle(e) IDLE
Fri Oct 23 19:06:11 -03 2026 [elapsed=280 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Oct 23 19:06:32 -03 2026 [elapsed=301 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=75/0 spi=38.4 IDLE
Fri Oct 23 19:06:32 -03 2026 [elapsed=301 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (2 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=+463.00 DZDY=-416.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=75 IDLE
Fri Oct 23 19:06:32 -03 2026 [elapsed=301 sec] WEATHER
status weather: clear 18.2C 46% 8/12kph@281 DP11.3C/-44C/d IDLE
...OK
Fri Oct 23 19:06:33 -03 2026 [elapsed=302 sec] MET
status...OK
met: c=N o=Y Ro2d Co20 Wo14d Ho14d To14d Do10d IDLE
Fri Oct 23 19:06:33 -03 2026 [elapsed=302 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Oct 23 19:06:33 -03 2026 [elapsed=302 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 319.49 -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 -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 9 0.1%
A 0.050s 97 1.1%
A 0.081s 368 4.0%
A 0.111s 725 7.9%
A 0.141s 1213 13.3%
A 0.171s 1786 19.5%
A 0.202s 2462 26.9%
A 0.232s 3237 35.4%
A 0.262s 4185 45.7%
A 0.293s 5120 55.9%
A 0.323s 5973 65.3%
A 0.353s 6790 74.2%
A 0.384s 7446 81.3%
A 0.414s 8025 87.7%
A 0.444s 8483 92.7%
A 0.475s 8801 96.1%
A 0.505s 9037 98.7%
A 0.535s 9141 99.9%
A 0.565s 9157 100.0%
B 0.020s 1 0.0%
B 0.050s 84 0.9%
B 0.081s 362 4.0%
B 0.111s 723 7.9%
B 0.141s 1178 12.9%
B 0.172s 1758 19.2%
B 0.202s 2449 26.8%
B 0.232s 3258 35.6%
B 0.263s 4166 45.5%
B 0.293s 5112 55.8%
B 0.324s 5998 65.5%
B 0.354s 6782 74.1%
B 0.384s 7431 81.2%
B 0.415s 8010 87.5%
B 0.445s 8460 92.4%
B 0.475s 8791 96.0%
B 0.506s 9032 98.7%
B 0.536s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9153 100.0%
A 0.050s 9058 99.0%
A 0.081s 8785 96.0%
A 0.111s 8454 92.4%
A 0.141s 7970 87.1%
A 0.172s 7363 80.4%
A 0.202s 6688 73.1%
A 0.232s 5890 64.3%
A 0.263s 4980 54.4%
A 0.293s 4055 44.3%
A 0.323s 3166 34.6%
A 0.353s 2393 26.1%
A 0.384s 1699 18.6%
A 0.414s 1136 12.4%
A 0.444s 703 7.7%
A 0.475s 359 3.9%
A 0.505s 138 1.5%
A 0.535s 2 0.0%
B 0.020s 9150 100.0%
B 0.050s 9043 98.8%
B 0.081s 8783 95.9%
B 0.111s 8419 92.0%
B 0.141s 7976 87.1%
B 0.171s 7380 80.6%
B 0.202s 6712 73.3%
B 0.232s 5923 64.7%
B 0.262s 5023 54.9%
B 0.293s 4040 44.1%
B 0.323s 3163 34.6%
B 0.353s 2372 25.9%
B 0.384s 1720 18.8%
B 0.414s 1150 12.6%
B 0.444s 685 7.5%
B 0.474s 360 3.9%
B 0.505s 125 1.4%
B 0.535s 5 0.1%
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 0.565 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.0 percent in 0.535 seconds.
Shutter B closed to 0.1 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=9863 IDLE
Fri Oct 23 19:07:09 -03 2026 [elapsed=338 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=75/0 spi=38.4 IDLE
taking preflight exposures:
acam...OK
acam image:
160M Oct 23 19:07 /atlas/obs/04a/61337/04a61337e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Oct 23 19:07:31 -03 2026 [elapsed=360 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (52 seconds old)
OTA humidity level...OK (12%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Oct 23 19:07:31 -03 2026 [elapsed=360 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61336.92190033|info|galildriver|using focus model: foc=9830+(3.50)*15.7+(-0.35)*60.2=9863.9
61336.92190501|info|galildriver|o 3 IN | cass: 6105063 30.53 mm b=23 move=NO | arm: 406759 473.54 mm b=03 move=OK | foc: 53278066 9864 um b=0f [cmd]
bestfocus for o...OK
Fri Oct 23 19:07:32 -03 2026 [elapsed=361 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Oct 23 19:07:59 -03 2026 [elapsed=388 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 Oct 23 19:08:00 -03 2026 [elapsed=389 sec] Happy observing!
Fri Oct 23 19:08:00 -03 2026 [elapsed=389 sec] Preflight took 389 seconds to complete.
Fri Oct 23 19:08:00 -03 2026 [elapsed=389 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 108 1.2% A 0.081s 374 4.1% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.171s 1761 19.2% A 0.202s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.292s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7413 81.0% A 0.414s 7988 87.3% A 0.444s 8445 92.3% A 0.474s 8785 96.0% A 0.504s 9021 98.5% A 0.535s 9137 99.8% A 0.565s 9154 100.0% B 0.020s 1 0.0% B 0.050s 106 1.2% B 0.081s 370 4.0% B 0.111s 715 7.8% B 0.141s 1185 12.9% B 0.171s 1751 19.1% B 0.202s 2442 26.7% B 0.232s 3242 35.4% B 0.262s 4137 45.2% B 0.292s 5074 55.4% B 0.322s 5959 65.1% B 0.353s 6750 73.7% B 0.383s 7420 81.1% B 0.413s 7969 87.1% B 0.443s 8429 92.1% B 0.474s 8776 95.9% B 0.504s 9012 98.4% B 0.534s 9135 99.8% B 0.564s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9042 98.8% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.172s 7360 80.4% A 0.202s 6692 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.293s 4037 44.1% A 0.323s 3167 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.413s 1147 12.5% A 0.444s 692 7.6% A 0.474s 358 3.9% A 0.504s 124 1.4% A 0.534s 14 0.2% A 0.564s 2 0.0% B 0.020s 9143 99.9% B 0.050s 9017 98.5% B 0.081s 8770 95.8% B 0.111s 8420 92.0% B 0.141s 7952 86.9% B 0.171s 7378 80.6% B 0.201s 6689 73.1% B 0.232s 5891 64.4% B 0.262s 4979 54.4% B 0.292s 4054 44.3% B 0.322s 3164 34.6% B 0.353s 2393 26.1% B 0.383s 1722 18.8% B 0.413s 1161 12.7% B 0.443s 712 7.8% B 0.474s 364 4.0% B 0.504s 132 1.4% B 0.534s 14 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R