CHL Preflight Night 61348
Executing preflight for 61348 at Tue Nov 3 19:10:01 -03 2026.
Log can be found in /atlas/obs/04/61348/preflight.dat.
Setting donefile '/atlas/obs/04/61348/preflight_complete.20261103221001.31466' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261103221001.31466.
Tue Nov 3 19:10:01 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Nov 3 19:10:01 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [f5dc2260-17aa-4fec-a8af-cdda5cbb0f76;1800]
Tue Nov 3 19:10:01 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Tue Nov 3 19:10:02 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Tue Nov 3 19:10:02 -03 2026 [elapsed=1 sec] auxcam is disabled.
Tue Nov 3 19:10:02 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Nov 3 19:10:02 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1793743796
OK
Tue Nov 3 19:10:02 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Nov 3 19:10:02 -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
Tue Nov 3 19:10:03 -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
Tue Nov 3 19:10:04 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Tue Nov 3 19:10:04 -03 2026 [elapsed=3 sec] CLOCKS
admin: Tue Nov 3 22:10:04 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 868 1024 377 0.346 0.525 1.108
+10.0.11.4 .GPS. 1 u 194 1024 377 0.883 0.955 0.848
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 178 1024 377 220.803 -5.689 2.621
-185.125.190.56 29.88.99.4 2 u 276 1024 377 218.646 -5.040 3.058
-185.125.190.57 29.88.99.4 2 u 283 1024 377 220.502 -6.557 1.599
+alphyn.canonica 132.163.96.1 2 u 735 1024 377 149.963 -5.377 1.298
Tue Nov 3 19:10:05 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (6602GB)
200GB available in /atlas/red...OK (10706GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 4.0T 6.3T 39% /
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 455G 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 904G 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 698G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Tue Nov 3 19:10:05 -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
Tue Nov 3 19:10:05 -03 2026 [elapsed=4 sec] Disabling mount tracking.
Tue Nov 3 19:10:06 -03 2026 [elapsed=5 sec] SERVICES2
Tue Nov 3 19:10:06 -03 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Nov 3 19:10:10 -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=1.64e+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
Tue Nov 3 19:13:30 -03 2026 [elapsed=209 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: 303.74 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Tue Nov 3 19:14:26 -03 2026 [elapsed=265 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Nov 3 19:14:48 -03 2026 [elapsed=287 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=135/0 spi=38.9 IDLE
Tue Nov 3 19:14:48 -03 2026 [elapsed=287 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 (-54.7C)
Checking CCD plane: Z0=-193.00 DZDX=+454.00 DZDY=-422.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=135 IDLE
Tue Nov 3 19:14:48 -03 2026 [elapsed=287 sec] WEATHER
status weather: C 17.4C 49% 14/22kph@297 DP9.6C/-37C/d IDLE
...OK
Tue Nov 3 19:14:49 -03 2026 [elapsed=288 sec] MET
status...OK
met: c=N o=N Ro1d Cx0 Wo1d Ho1d To1d Do1d wait C IDLE
Tue Nov 3 19:14:49 -03 2026 [elapsed=288 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Nov 3 19:14:51 -03 2026 [elapsed=290 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 332.41 -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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 11 0.1%
A 0.050s 97 1.1%
A 0.081s 373 4.1%
A 0.111s 724 7.9%
A 0.142s 1211 13.2%
A 0.172s 1783 19.5%
A 0.202s 2463 26.9%
A 0.232s 3245 35.4%
A 0.263s 4173 45.6%
A 0.293s 5121 55.9%
A 0.323s 5976 65.3%
A 0.353s 6785 74.1%
A 0.383s 7429 81.2%
A 0.414s 7993 87.3%
A 0.444s 8451 92.3%
A 0.474s 8785 96.0%
A 0.504s 9025 98.6%
A 0.535s 9138 99.8%
A 0.565s 9158 100.0%
B 0.020s 1 0.0%
B 0.051s 90 1.0%
B 0.081s 372 4.1%
B 0.111s 735 8.0%
B 0.141s 1191 13.0%
B 0.172s 1780 19.4%
B 0.202s 2472 27.0%
B 0.232s 3256 35.6%
B 0.263s 4167 45.5%
B 0.293s 5114 55.9%
B 0.323s 5997 65.5%
B 0.354s 6778 74.0%
B 0.384s 7433 81.2%
B 0.414s 8010 87.5%
B 0.444s 8460 92.4%
B 0.475s 8793 96.1%
B 0.505s 9031 98.7%
B 0.535s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9153 100.0%
A 0.050s 9057 98.9%
A 0.081s 8776 95.9%
A 0.111s 8452 92.3%
A 0.141s 7987 87.3%
A 0.171s 7385 80.7%
A 0.201s 6715 73.4%
A 0.232s 5918 64.6%
A 0.262s 5010 54.7%
A 0.292s 4079 44.6%
A 0.322s 3139 34.3%
A 0.353s 2369 25.9%
A 0.383s 1720 18.8%
A 0.413s 1152 12.6%
A 0.444s 713 7.8%
A 0.474s 349 3.8%
A 0.504s 132 1.4%
A 0.535s -1 0.0%
B 0.020s 9148 99.9%
B 0.051s 9039 98.7%
B 0.081s 8765 95.8%
B 0.111s 8406 91.8%
B 0.142s 7910 86.4%
B 0.172s 7316 79.9%
B 0.202s 6665 72.8%
B 0.233s 5873 64.2%
B 0.263s 4959 54.2%
B 0.293s 4010 43.8%
B 0.324s 3142 34.3%
B 0.354s 2347 25.6%
B 0.384s 1700 18.6%
B 0.414s 1136 12.4%
B 0.445s 673 7.4%
B 0.475s 346 3.8%
B 0.505s 119 1.3%
B 0.535s 3 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 0.535 seconds.
Shutter A closed to 0.0 percent in 0.535 seconds.
Shutter B closed to 0.0 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.17e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9869 IDLE
Tue Nov 3 19:15:29 -03 2026 [elapsed=328 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=135/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
158M Nov 3 19:15 /atlas/obs/04a/61348/04a61348e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Nov 3 19:15:51 -03 2026 [elapsed=350 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (12 seconds old)
OTA humidity level...OK (12%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Nov 3 19:15:51 -03 2026 [elapsed=350 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61347.92768725|info|galildriver|using focus model: foc=9830+(3.50)*16.1+(-0.35)*60.3=9865.3
61347.92769226|info|galildriver|c 4 IN | cass: 9140145 45.70 mm b=23 move=NO | arm: 406848 473.64 mm b=03 move=OK | foc: 53276869 9870 um b=8f M [focus]
61347.92770241|info|galildriver|c 4 IN | cass: 9140143 45.70 mm b=23 move=NO | arm: 406848 473.64 mm b=03 move=OK | foc: 53277186 9868 um b=0f [cmd]
bestfocus for c...OK
Tue Nov 3 19:15:53 -03 2026 [elapsed=352 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Nov 3 19:16:22 -03 2026 [elapsed=381 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.
Tue Nov 3 19:16:23 -03 2026 [elapsed=382 sec] Happy observing!
Tue Nov 3 19:16:23 -03 2026 [elapsed=382 sec] Preflight took 382 seconds to complete.
Tue Nov 3 19:16:23 -03 2026 [elapsed=382 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 0.051s 121 1.3% A 0.081s 394 4.3% A 0.111s 750 8.2% A 0.141s 1214 13.3% A 0.172s 1803 19.7% A 0.202s 2489 27.2% A 0.232s 3295 36.0% A 0.263s 4205 45.9% A 0.293s 5132 56.1% A 0.323s 6025 65.8% A 0.353s 6797 74.3% A 0.383s 7453 81.4% A 0.414s 8021 87.6% A 0.444s 8471 92.5% A 0.474s 8803 96.2% A 0.504s 9032 98.7% A 0.535s 9141 99.9% A 0.565s 9154 100.0% B 0.020s 1 0.0% B 0.050s 105 1.1% B 0.081s 368 4.0% B 0.111s 715 7.8% B 0.141s 1185 12.9% B 0.171s 1752 19.1% B 0.202s 2443 26.7% B 0.232s 3241 35.4% B 0.262s 4136 45.2% B 0.292s 5075 55.4% B 0.323s 5960 65.1% B 0.353s 6747 73.7% B 0.383s 7420 81.1% B 0.413s 7984 87.2% B 0.444s 8443 92.2% B 0.474s 8787 96.0% B 0.504s 9018 98.5% B 0.534s 9137 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9042 98.8% A 0.081s 8768 95.8% A 0.111s 8409 91.9% A 0.141s 7941 86.7% A 0.171s 7360 80.4% A 0.202s 6668 72.8% A 0.232s 5867 64.1% A 0.262s 4951 54.1% A 0.293s 4008 43.8% A 0.323s 3139 34.3% A 0.353s 2365 25.8% A 0.383s 1691 18.5% A 0.414s 1128 12.3% A 0.444s 680 7.4% A 0.474s 349 3.8% A 0.504s 119 1.3% A 0.534s 12 0.1% A 0.564s 2 0.0% B 0.020s 9140 99.8% B 0.050s 9020 98.5% B 0.080s 8761 95.7% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.171s 7377 80.6% B 0.202s 6688 73.1% B 0.232s 5893 64.4% B 0.262s 4981 54.4% B 0.292s 4053 44.3% B 0.323s 3161 34.5% B 0.353s 2393 26.1% B 0.383s 1703 18.6% B 0.413s 1146 12.5% B 0.444s 700 7.6% B 0.474s 355 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