CHL Preflight Night 61338
Executing preflight for 61338 at Sat Oct 24 19:02:06 -03 2026.
Log can be found in /atlas/obs/04/61338/preflight.dat.
Setting donefile '/atlas/obs/04/61338/preflight_complete.20261024220206.22796' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261024220206.22796.
Sat Oct 24 19:02:06 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Oct 24 19:02:06 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [8a08dd8e-7357-4793-8769-14b47a17caaf;1800]
Sat Oct 24 19:02:06 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sat Oct 24 19:02:07 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sat Oct 24 19:02:07 -03 2026 [elapsed=1 sec] auxcam is disabled.
Sat Oct 24 19:02:07 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Oct 24 19:02:07 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1792879319
OK
Sat Oct 24 19:02:07 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Oct 24 19:02:07 -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
Sat Oct 24 19:02:08 -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
Sat Oct 24 19:02:09 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Oct 24 19:02:09 -03 2026 [elapsed=3 sec] CLOCKS
admin: Sat Oct 24 22:02:09 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 205 1024 377 0.304 -0.418 0.542
+10.0.11.4 .GPS. 1 u 282 512 377 0.651 -0.387 0.648
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 270 1024 377 221.314 -9.072 3.415
-185.125.190.56 29.88.99.4 2 u 549 1024 377 226.430 -10.331 2.195
-185.125.190.57 29.88.99.4 2 u 799 1024 377 224.164 -9.066 2.529
+alphyn.canonica 132.163.96.1 2 u 463 512 135 149.091 0.367 3.042
Sat Oct 24 19:02:10 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (7363GB)
200GB available in /atlas/red...OK (10772GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 3.2T 7.1T 32% /
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 3.4T 11T 25% /
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
Sat Oct 24 19:02:10 -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
Sat Oct 24 19:02:10 -03 2026 [elapsed=4 sec] Disabling mount tracking.
Sat Oct 24 19:02:11 -03 2026 [elapsed=5 sec] Closing dome.
Sat Oct 24 19:03:02 -03 2026 [elapsed=56 sec] SERVICES2
Sat Oct 24 19:03:02 -03 2026 [elapsed=56 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Oct 24 19:03:06 -03 2026 [elapsed=60 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=1.55e+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
Sat Oct 24 19:06:24 -03 2026 [elapsed=258 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: 292.10 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Sat Oct 24 19:07:19 -03 2026 [elapsed=313 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Oct 24 19:07:41 -03 2026 [elapsed=335 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.5 IDLE
Sat Oct 24 19:07:41 -03 2026 [elapsed=335 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (5 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.5C)
Checking CCD plane: Z0=-193.00 DZDX=+456.00 DZDY=-418.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=10 IDLE
Sat Oct 24 19:07:41 -03 2026 [elapsed=335 sec] WEATHER
status weather: clear 20.7C 34% 11/16kph@270 DP13.3C/-132C/d IDLE
...OK
Sat Oct 24 19:07:41 -03 2026 [elapsed=335 sec] MET
status...OK
met: c=N o=Y Ro3d Co17h Wo15d Ho15d To15d Do11d IDLE
Sat Oct 24 19:07:41 -03 2026 [elapsed=335 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Oct 24 19:07:43 -03 2026 [elapsed=337 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 320.76 -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 2 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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.050s 101 1.1%
A 0.081s 370 4.0%
A 0.111s 726 7.9%
A 0.141s 1216 13.3%
A 0.172s 1787 19.5%
A 0.202s 2464 26.9%
A 0.232s 3235 35.3%
A 0.263s 4149 45.3%
A 0.293s 5124 56.0%
A 0.323s 5973 65.3%
A 0.353s 6788 74.2%
A 0.384s 7425 81.1%
A 0.414s 8006 87.5%
A 0.444s 8470 92.5%
A 0.474s 8794 96.1%
A 0.505s 9032 98.7%
A 0.535s 9139 99.8%
A 0.566s 9156 100.0%
B 0.020s 2 0.0%
B 0.050s 91 1.0%
B 0.081s 373 4.1%
B 0.111s 737 8.1%
B 0.141s 1194 13.0%
B 0.171s 1781 19.5%
B 0.202s 2474 27.0%
B 0.232s 3256 35.6%
B 0.262s 4167 45.5%
B 0.293s 5146 56.2%
B 0.323s 6024 65.8%
B 0.353s 6803 74.3%
B 0.384s 7450 81.4%
B 0.414s 8027 87.7%
B 0.444s 8470 92.5%
B 0.474s 8801 96.1%
B 0.505s 9037 98.7%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9153 100.0%
A 0.051s 9059 99.0%
A 0.081s 8777 95.9%
A 0.111s 8441 92.2%
A 0.141s 7969 87.1%
A 0.172s 7363 80.4%
A 0.202s 6691 73.1%
A 0.232s 5890 64.3%
A 0.263s 4982 54.4%
A 0.293s 4054 44.3%
A 0.323s 3165 34.6%
A 0.353s 2393 26.1%
A 0.384s 1701 18.6%
A 0.414s 1139 12.4%
A 0.444s 703 7.7%
A 0.474s 356 3.9%
A 0.505s 137 1.5%
A 0.535s 6 0.1%
B 0.020s 9150 100.0%
B 0.050s 9041 98.8%
B 0.081s 8772 95.8%
B 0.111s 8418 92.0%
B 0.141s 7959 86.9%
B 0.172s 7378 80.6%
B 0.202s 6712 73.3%
B 0.232s 5897 64.4%
B 0.262s 4989 54.5%
B 0.293s 4039 44.1%
B 0.323s 3166 34.6%
B 0.353s 2372 25.9%
B 0.384s 1719 18.8%
B 0.414s 1152 12.6%
B 0.444s 684 7.5%
B 0.475s 359 3.9%
B 0.505s 127 1.4%
B 0.535s 5 0.1%
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 0.566 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.1 percent in 0.535 seconds.
Shutter B closed to 0.1 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.22e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9874 IDLE
Sat Oct 24 19:08:20 -03 2026 [elapsed=374 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.5 IDLE
taking preflight exposures:
acam...OK
acam image:
160M Oct 24 19:08 /atlas/obs/04a/61338/04a61338e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Oct 24 19:08:42 -03 2026 [elapsed=396 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (33 seconds old)
OTA humidity level...OK (12%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Oct 24 19:08:42 -03 2026 [elapsed=396 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61337.92271994|info|galildriver|using focus model: foc=9830+(3.50)*17.9+(-0.35)*60.2=9871.6
61337.92272497|info|galildriver|o 3 IN | cass: 6103896 30.52 mm b=23 move=NO | arm: 406759 473.54 mm b=03 move=OK | foc: 53275871 9875 um b=8f M [focus]
61337.92273513|info|galildriver|o 3 IN | cass: 6103894 30.52 mm b=23 move=NO | arm: 406759 473.54 mm b=03 move=OK | foc: 53276189 9873 um b=0f [cmd]
bestfocus for o...OK
Sat Oct 24 19:08:45 -03 2026 [elapsed=399 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Oct 24 19:09:12 -03 2026 [elapsed=426 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.
Sat Oct 24 19:09:13 -03 2026 [elapsed=427 sec] Happy observing!
Sat Oct 24 19:09:13 -03 2026 [elapsed=427 sec] Preflight took 427 seconds to complete.
Sat Oct 24 19:09:13 -03 2026 [elapsed=427 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