CHL Preflight Night 61318
Executing preflight for 61318 at Sun Oct 4 18:48:37 -03 2026.
Log can be found in /atlas/obs/04/61318/preflight.dat.
Setting donefile '/atlas/obs/04/61318/preflight_complete.20261004214837.30411' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261004214837.30411.
Sun Oct 4 18:48:37 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Oct 4 18:48:37 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [b31b0784-1229-4f11-ab68-d06ba9bac444;1800]
Sun Oct 4 18:48:37 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sun Oct 4 18:48:38 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sun Oct 4 18:48:38 -03 2026 [elapsed=1 sec] auxcam is disabled.
Sun Oct 4 18:48:38 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Oct 4 18:48:38 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1791150511
OK
Sun Oct 4 18:48:38 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Oct 4 18:48:38 -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
Sun Oct 4 18:48:40 -03 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-04a...OK
proc1 prochain-redpost-04x...OK
Sun Oct 4 18:48:40 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Oct 4 18:48:40 -03 2026 [elapsed=3 sec] CLOCKS
admin: Sun Oct 4 21:48:40 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 317 1024 377 0.330 0.783 0.500
*10.0.11.4 .GPS. 1 u 790 1024 377 0.906 0.958 0.631
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 29.88.99.4 2 u 107 1024 377 227.642 -9.459 1.212
-185.125.190.58 29.88.99.4 2 u 997 1024 377 232.930 -11.234 2.152
-185.125.190.56 145.238.80.80 2 u 547 1024 377 227.502 -8.047 1.186
+alphyn.canonica 132.163.96.1 2 u 53 1024 377 159.718 -3.261 2.427
Sun Oct 4 18:48:43 -03 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (8155GB)
200GB available in /atlas/red...OK (11387GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 2.5T 7.8T 24% /
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/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/sda2 974M 321M 586M 36% /boot
archon:/dev/sda1 511M 4.4M 507M 1% /boot/efi
proc1:/dev/md0p1 15T 2.8T 11T 21% /
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 453G 13T 4% /
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop0 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 697G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17284
Sun Oct 4 18:48:43 -03 2026 [elapsed=6 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
Sun Oct 4 18:48:43 -03 2026 [elapsed=6 sec] Disabling mount tracking.
Sun Oct 4 18:48:43 -03 2026 [elapsed=6 sec] SERVICES2
Sun Oct 4 18:48:43 -03 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Oct 4 18:48:48 -03 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= 914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.56e+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
Sun Oct 4 18:51:35 -03 2026 [elapsed=178 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: 268.67 -27.58, az/alt=324.61 +86.48 idle(e) IDLE
Sun Oct 4 18:52:31 -03 2026 [elapsed=234 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Oct 4 18:52:53 -03 2026 [elapsed=256 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Sun Oct 4 18:52:53 -03 2026 [elapsed=256 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (4 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-55.1C)
Checking CCD plane: Z0=-190.00 DZDX=+460.00 DZDY=-419.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Oct 4 18:52:53 -03 2026 [elapsed=256 sec] WEATHER
status weather: C+ 15.7C 39% 5/7kph@113 DP13.7C/-23C/d IDLE
...OK
Sun Oct 4 18:52:53 -03 2026 [elapsed=256 sec] MET
status...OK
met: c=Y o=N Ro6h Cx21h Wo3d Ho3d To3d Do3d wait C IDLE
Sun Oct 4 18:52:53 -03 2026 [elapsed=256 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Oct 4 18:52:53 -03 2026 [elapsed=256 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 297.34 -12.93, az/alt=59.89 +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 12 0.1%
A 0.051s 106 1.2%
A 0.081s 385 4.2%
A 0.111s 740 8.1%
A 0.141s 1225 13.4%
A 0.172s 1798 19.6%
A 0.202s 2489 27.2%
A 0.232s 3251 35.5%
A 0.262s 4203 45.9%
A 0.293s 5116 55.9%
A 0.323s 5978 65.3%
A 0.353s 6785 74.1%
A 0.383s 7434 81.2%
A 0.413s 8010 87.5%
A 0.444s 8461 92.4%
A 0.474s 8795 96.1%
A 0.504s 9030 98.6%
A 0.535s 9142 99.9%
A 0.565s 9159 100.0%
B 0.020s 3 0.0%
B 0.050s 97 1.1%
B 0.081s 381 4.2%
B 0.111s 748 8.2%
B 0.141s 1210 13.2%
B 0.172s 1799 19.7%
B 0.202s 2494 27.2%
B 0.232s 3282 35.9%
B 0.262s 4200 45.9%
B 0.293s 5146 56.2%
B 0.323s 6021 65.8%
B 0.353s 6804 74.3%
B 0.383s 7455 81.4%
B 0.413s 8010 87.5%
B 0.444s 8460 92.4%
B 0.474s 8793 96.1%
B 0.504s 9032 98.7%
B 0.534s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.050s 9064 99.0%
A 0.081s 8774 95.8%
A 0.111s 8446 92.3%
A 0.141s 7967 87.0%
A 0.172s 7368 80.5%
A 0.202s 6691 73.1%
A 0.232s 5893 64.4%
A 0.262s 4982 54.4%
A 0.293s 4054 44.3%
A 0.323s 3163 34.6%
A 0.354s 2384 26.0%
A 0.384s 1709 18.7%
A 0.414s 1136 12.4%
A 0.445s 703 7.7%
A 0.475s 355 3.9%
A 0.505s 133 1.5%
A 0.536s 10 0.1%
A 0.566s -9 0.0%
B 0.020s 9148 99.9%
B 0.051s 9037 98.7%
B 0.081s 8763 95.7%
B 0.111s 8408 91.9%
B 0.141s 7942 86.8%
B 0.171s 7357 80.4%
B 0.202s 6666 72.8%
B 0.232s 5871 64.1%
B 0.262s 4959 54.2%
B 0.292s 4006 43.8%
B 0.323s 3142 34.3%
B 0.353s 2352 25.7%
B 0.383s 1695 18.5%
B 0.413s 1152 12.6%
B 0.444s 676 7.4%
B 0.474s 346 3.8%
B 0.504s 120 1.3%
B 0.534s 4 0.0%
A 0 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 0.565 seconds.
Shutter B opened to 99.9 percent in 0.534 seconds.
Shutter A closed to 0.0 percent in 0.566 seconds.
Shutter B closed to 0.0 percent in 0.534 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 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=c[4] foc=9860 IDLE
Sun Oct 4 18:53:31 -03 2026 [elapsed=294 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
156M Oct 4 18:53 /atlas/obs/04a/61318/04a61318e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Oct 4 18:53:53 -03 2026 [elapsed=316 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (4 seconds old)
OTA humidity level...OK (7%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Oct 4 18:53:53 -03 2026 [elapsed=316 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61317.91242825|info|galildriver|using focus model: foc=9830+(3.50)*13.4+(-0.35)*60.2=9855.8
61317.91243327|info|galildriver|c 4 IN | cass: 9138800 45.69 mm b=23 move=NO | arm: 406755 473.53 mm b=03 move=OK | foc: 53278693 9861 um b=8f M [focus]
61317.91244343|info|galildriver|c 4 IN | cass: 9138800 45.69 mm b=23 move=NO | arm: 406755 473.53 mm b=03 move=OK | foc: 53278998 9859 um b=0f [cmd]
bestfocus for c...OK
Sun Oct 4 18:53:55 -03 2026 [elapsed=318 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Oct 4 18:54:24 -03 2026 [elapsed=347 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.
Sun Oct 4 18:54:25 -03 2026 [elapsed=348 sec] Happy observing!
Sun Oct 4 18:54:25 -03 2026 [elapsed=348 sec] Preflight took 348 seconds to complete.
Sun Oct 4 18:54:25 -03 2026 [elapsed=348 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 4 0.0% A 0.050s 119 1.3% A 0.081s 385 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.293s 5133 56.1% A 0.323s 5998 65.5% A 0.353s 6775 74.0% A 0.383s 7432 81.2% A 0.414s 8005 87.4% A 0.444s 8458 92.4% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.535s 9138 99.8% A 0.565s 9154 100.0% B 0.020s 1 0.0% B 0.050s 120 1.3% B 0.081s 388 4.2% B 0.111s 726 7.9% B 0.141s 1202 13.1% B 0.171s 1771 19.3% B 0.202s 2464 26.9% B 0.232s 3268 35.7% B 0.262s 4166 45.5% B 0.292s 5102 55.7% B 0.323s 5986 65.4% B 0.353s 6772 74.0% B 0.383s 7441 81.3% B 0.413s 8002 87.4% B 0.444s 8457 92.4% B 0.474s 8796 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.565s 9157 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9049 98.9% A 0.081s 8778 95.9% A 0.111s 8422 92.0% A 0.141s 7958 86.9% A 0.172s 7381 80.6% A 0.202s 6692 73.1% A 0.232s 5895 64.4% A 0.262s 4981 54.4% A 0.293s 4038 44.1% A 0.323s 3168 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.414s 1147 12.5% A 0.444s 692 7.6% A 0.474s 358 3.9% A 0.504s 125 1.4% A 0.535s 14 0.2% A 0.565s 2 0.0% B 0.020s 9142 99.9% B 0.050s 9019 98.5% B 0.081s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.171s 7378 80.6% B 0.202s 6688 73.1% B 0.232s 5892 64.4% B 0.262s 4981 54.4% B 0.292s 4055 44.3% B 0.323s 3160 34.5% B 0.353s 2395 26.2% B 0.383s 1704 18.6% B 0.413s 1145 12.5% B 0.444s 699 7.6% B 0.474s 355 3.9% B 0.504s 131 1.4% B 0.535s 14 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R