CHL Preflight Night 61043
Executing preflight for 61043 at Fri Jan 2 19:51:27 -03 2026.
Log can be found in /atlas/obs/04/61043/preflight.dat.
Setting donefile '/atlas/obs/04/61043/preflight_complete.20260102225127.29871' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260102225127.29871.
Fri Jan 2 19:51:27 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jan 2 19:51:27 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [3364f42d-e2f4-4216-ab3b-75ee97622ff4;1800]
Fri Jan 2 19:51:28 -03 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Jan 2 19:51:28 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Jan 2 19:51:28 -03 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jan 2 19:51:28 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jan 2 19:51:28 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1767394284
OK
Fri Jan 2 19:51:28 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jan 2 19:51:28 -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 Jan 2 19:51:30 -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
Fri Jan 2 19:51:30 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Jan 2 19:51:30 -03 2026 [elapsed=3 sec] CLOCKS
admin: Fri Jan 2 22:51:30 UTC 2026
met: 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 372 1024 377 0.391 -0.322 0.501
*10.0.11.4 .GPS. 1 u 467 1024 377 0.519 -0.183 0.466
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 194.121.207.249 2 u 188 1024 377 222.432 -7.405 4.815
-185.125.190.58 183.160.133.132 2 u 191 1024 377 225.496 -8.238 5.481
+alphyn.canonica 132.163.96.1 2 u 331 1024 377 158.646 -2.650 0.857
-185.125.190.56 194.121.207.249 2 u 191 1024 377 222.895 -7.478 4.874
Fri Jan 2 19:51:32 -03 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5254GB)
200GB available in /atlas/red...OK (9282GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 5.2T 5.1T 51% /
admin:/dev/loop1 105M 105M 0 100% /snap/core/17247
admin:/dev/loop2 105M 105M 0 100% /snap/core/17272
archon:/dev/mapper/ubuntu--vg-ubuntu--lv 58G 20G 35G 37% /
archon:/dev/loop0 105M 105M 0 100% /snap/core/17247
archon:/dev/sda2 974M 321M 586M 36% /boot
archon:/dev/sda1 511M 4.4M 507M 1% /boot/efi
archon:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc1:/dev/md0p1 15T 4.8T 8.9T 36% /
proc1:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc1:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc2:/dev/md0p1 15T 429G 13T 4% /
proc2:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc2:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc3:/dev/md0p1 15T 899G 13T 7% /
proc3:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc3:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc4:/dev/md0p1 15T 689G 13T 6% /
proc4:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc4:/dev/loop2 105M 105M 0 100% /snap/core/17272
Fri Jan 2 19:51:32 -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
Fri Jan 2 19:51:32 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Fri Jan 2 19:51:32 -03 2026 [elapsed=5 sec] Closing dome.
Fri Jan 2 19:51:50 -03 2026 [elapsed=23 sec] SERVICES2
Fri Jan 2 19:51:52 -03 2026 [elapsed=25 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jan 2 19:51:56 -03 2026 [elapsed=29 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=1.62e+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 Jan 2 19:55:11 -03 2026 [elapsed=224 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: 13.59 -27.58, az/alt=324.56 +86.48 idle(e) IDLE
Fri Jan 2 19:56:16 -03 2026 [elapsed=289 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jan 2 19:56:41 -03 2026 [elapsed=314 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.4 IDLE
Fri Jan 2 19:56:41 -03 2026 [elapsed=314 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (3 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.2C)
Checking CCD plane: Z0=-199.00 DZDX=+465.00 DZDY=-407.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Jan 2 19:56:41 -03 2026 [elapsed=314 sec] WEATHER
status weather: C 25.3C 40% 11/13kph@318 DP12.8C/-62C/d IDLE
...OK
Fri Jan 2 19:56:41 -03 2026 [elapsed=314 sec] MET
status...OK
met: c=N o=Y Ro16d Co5d Wo16d Ho16d To16d Do16d IDLE
Fri Jan 2 19:56:42 -03 2026 [elapsed=315 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jan 2 19:56:42 -03 2026 [elapsed=315 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 42.27 -12.93, az/alt=59.87 +60.08 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 -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 8 0.1%
A 0.051s 104 1.1%
A 0.081s 393 4.3%
A 0.112s 727 7.9%
A 0.142s 1201 13.1%
A 0.172s 1772 19.4%
A 0.203s 2466 26.9%
A 0.233s 3268 35.7%
A 0.264s 4161 45.5%
A 0.294s 5108 55.8%
A 0.324s 6010 65.7%
A 0.355s 6802 74.3%
A 0.385s 7455 81.4%
A 0.416s 8027 87.7%
A 0.446s 8468 92.5%
A 0.476s 8802 96.2%
A 0.507s 9035 98.7%
A 0.537s 9141 99.9%
A 0.568s 9157 100.0%
B 0.020s 1 0.0%
B 0.051s 89 1.0%
B 0.081s 378 4.1%
B 0.111s 735 8.0%
B 0.142s 1207 13.2%
B 0.172s 1803 19.7%
B 0.203s 2491 27.2%
B 0.233s 3279 35.8%
B 0.263s 4202 45.9%
B 0.294s 5142 56.2%
B 0.324s 6022 65.8%
B 0.354s 6802 74.3%
B 0.384s 7450 81.4%
B 0.415s 8028 87.7%
B 0.445s 8471 92.5%
B 0.475s 8800 96.1%
B 0.506s 9037 98.7%
B 0.536s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.050s 9046 98.8%
A 0.081s 8761 95.7%
A 0.111s 8414 91.9%
A 0.141s 7940 86.7%
A 0.172s 7361 80.4%
A 0.202s 6666 72.8%
A 0.232s 5867 64.1%
A 0.263s 4950 54.1%
A 0.293s 4024 44.0%
A 0.323s 3138 34.3%
A 0.354s 2354 25.7%
A 0.384s 1694 18.5%
A 0.414s 1126 12.3%
A 0.444s 689 7.5%
A 0.475s 350 3.8%
A 0.505s 123 1.3%
A 0.535s 10 0.1%
A 0.566s -3 0.0%
B 0.020s 9147 99.9%
B 0.051s 9038 98.7%
B 0.081s 8770 95.8%
B 0.111s 8417 91.9%
B 0.141s 7959 86.9%
B 0.172s 7377 80.6%
B 0.202s 6687 73.1%
B 0.232s 5899 64.4%
B 0.262s 4989 54.5%
B 0.293s 4033 44.1%
B 0.323s 3168 34.6%
B 0.353s 2374 25.9%
B 0.383s 1717 18.8%
B 0.414s 1151 12.6%
B 0.444s 686 7.5%
B 0.474s 360 3.9%
B 0.505s 127 1.4%
B 0.535s 7 0.1%
A 0 0.0mm 15 N F R | B -2 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.568 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.0 percent in 0.566 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=1.21e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9892 IDLE
Fri Jan 2 19:57:18 -03 2026 [elapsed=351 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.4 IDLE
taking preflight exposures:
acam...OK
acam image:
158M Jan 2 19:57 /atlas/obs/04a/61043/04a61043e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jan 2 19:57:40 -03 2026 [elapsed=373 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (85 seconds old)
OTA humidity level...OK (8%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jan 2 19:57:41 -03 2026 [elapsed=374 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61042.95672824|info|galildriver|using focus model: foc=9830+(3.50)*24.2+(-0.35)*60.3=9893.6
61042.95673292|info|galildriver|o 3 IN | cass: 6102708 30.51 mm b=23 move=NO | arm: 409718 476.98 mm b=03 move=OK | foc: 53272291 9893 um b=0f [cmd]
bestfocus for o...OK
Fri Jan 2 19:57:41 -03 2026 [elapsed=374 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jan 2 19:58:15 -03 2026 [elapsed=408 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 Jan 2 19:58:16 -03 2026 [elapsed=409 sec] Happy observing!
Fri Jan 2 19:58:16 -03 2026 [elapsed=409 sec] Preflight took 409 seconds to complete.
Fri Jan 2 19:58:16 -03 2026 [elapsed=409 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 123 1.3% A 0.082s 401 4.4% A 0.112s 757 8.3% A 0.143s 1232 13.5% A 0.173s 1822 19.9% A 0.204s 2538 27.7% A 0.234s 3348 36.6% A 0.264s 4267 46.6% A 0.295s 5194 56.7% A 0.325s 6072 66.3% A 0.356s 6847 74.8% A 0.386s 7510 82.0% A 0.417s 8076 88.2% A 0.447s 8506 92.9% A 0.477s 8824 96.4% A 0.508s 9051 98.9% A 0.538s 9145 99.9% B 0.020s 2 0.0% B 0.051s 115 1.3% B 0.081s 369 4.0% B 0.111s 730 8.0% B 0.141s 1187 13.0% B 0.172s 1776 19.4% B 0.202s 2444 26.7% B 0.232s 3243 35.4% B 0.262s 4136 45.2% B 0.293s 5075 55.4% B 0.323s 5962 65.1% B 0.353s 6749 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.444s 8443 92.2% B 0.474s 8786 96.0% B 0.504s 9019 98.5% B 0.534s 9137 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9148 99.9% A 0.050s 9037 98.7% A 0.081s 8764 95.7% A 0.111s 8410 91.9% A 0.141s 7940 86.7% A 0.171s 7358 80.4% A 0.202s 6663 72.8% A 0.232s 5868 64.1% A 0.262s 4943 54.0% A 0.292s 4009 43.8% A 0.323s 3138 34.3% A 0.353s 2357 25.7% A 0.383s 1715 18.7% A 0.413s 1126 12.3% A 0.444s 681 7.4% A 0.474s 358 3.9% A 0.504s 124 1.4% A 0.534s 13 0.1% A 0.565s 3 0.0% B 0.020s 9140 99.8% B 0.050s 9011 98.4% B 0.081s 8760 95.7% B 0.111s 8407 91.8% B 0.141s 7934 86.7% B 0.171s 7357 80.4% B 0.202s 6665 72.8% B 0.232s 5864 64.1% B 0.262s 4949 54.1% B 0.292s 4021 43.9% B 0.322s 3163 34.6% B 0.353s 2393 26.1% B 0.383s 1703 18.6% B 0.413s 1146 12.5% B 0.443s 700 7.6% B 0.474s 355 3.9% B 0.504s 131 1.4% B 0.534s 14 0.2% B 0.564s 1 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R