CHL Preflight Night 61031
Executing preflight for 61031 at Sun Dec 21 19:47:22 -03 2025.
Log can be found in /atlas/obs/04/61031/preflight.dat.
Setting donefile '/atlas/obs/04/61031/preflight_complete.20251221224722.24300' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20251221224722.24300.
Sun Dec 21 19:47:22 -03 2025 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Dec 21 19:47:22 -03 2025 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [270830d7-d5bc-428c-ac39-4c890d3726c8;1800]
Sun Dec 21 19:47:22 -03 2025 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sun Dec 21 19:47:22 -03 2025 [elapsed=0 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sun Dec 21 19:47:22 -03 2025 [elapsed=0 sec] auxcam is disabled.
Sun Dec 21 19:47:22 -03 2025 [elapsed=0 sec] Skipping auxcam.
error: unknown module: vent
Sun Dec 21 19:47:22 -03 2025 [elapsed=0 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1766357233
OK
Sun Dec 21 19:47:22 -03 2025 [elapsed=0 sec] OPSEC
AUTO mode: ...OK
Sun Dec 21 19:47:22 -03 2025 [elapsed=0 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 Dec 21 19:47:24 -03 2025 [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
Sun Dec 21 19:47:24 -03 2025 [elapsed=2 sec] QUEUE
0 observations queued.
Sun Dec 21 19:47:24 -03 2025 [elapsed=2 sec] CLOCKS
admin: Sun Dec 21 22:47:24 UTC 2025
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 561 1024 377 0.324 -0.004 0.040
*10.0.11.4 .GPS. 1 u 201 1024 377 0.536 0.153 0.051
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 194.121.207.249 2 u 557 1024 377 219.468 -6.319 1.634
-185.125.190.58 183.160.133.132 2 u 176 1024 377 215.962 -4.123 1.212
-alphyn.canonica 132.163.96.1 2 u 117 1024 377 146.682 2.776 3.884
+185.125.190.56 194.121.207.249 2 u 522 1024 377 216.396 -3.796 1.333
Sun Dec 21 19:47:25 -03 2025 [elapsed=3 sec] DISKS
200GB available in /atlas/obs...OK (5139GB)
200GB available in /atlas/red...OK (9208GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 5.4T 5.0T 52% /
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 36G 36% /
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 4.9T 8.8T 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 428G 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
Sun Dec 21 19:47:26 -03 2025 [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
Sun Dec 21 19:47:26 -03 2025 [elapsed=4 sec] Disabling mount tracking.
Sun Dec 21 19:47:26 -03 2025 [elapsed=4 sec] SERVICES2
Sun Dec 21 19:47:26 -03 2025 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Dec 21 19:47:30 -03 2025 [elapsed=8 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=1.58e+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 Dec 21 19:50:42 -03 2025 [elapsed=200 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: 0.65 -27.58, az/alt=324.56 +86.48 idle(e) IDLE
Sun Dec 21 19:51:48 -03 2025 [elapsed=266 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Dec 21 19:52:13 -03 2025 [elapsed=291 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Sun Dec 21 19:52:13 -03 2025 [elapsed=291 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 (-53.5C)
Checking CCD plane: Z0=-197.00 DZDX=+464.00 DZDY=-408.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Dec 21 19:52:13 -03 2025 [elapsed=291 sec] WEATHER
status weather: C 21.8C 30% 16/19kph@293 DP13.4C/-211C/d IDLE
...OK
Sun Dec 21 19:52:13 -03 2025 [elapsed=291 sec] MET
status...OK
met: c=N o=N Ro4d Cx0 Wo4d Ho4d To4d Do4d wait C IDLE
Sun Dec 21 19:52:13 -03 2025 [elapsed=291 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Dec 21 19:52:14 -03 2025 [elapsed=292 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 29.32 -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 6 0.1%
A 0.051s 112 1.2%
A 0.081s 391 4.3%
A 0.111s 730 8.0%
A 0.142s 1202 13.1%
A 0.172s 1775 19.4%
A 0.202s 2467 26.9%
A 0.232s 3264 35.7%
A 0.263s 4158 45.4%
A 0.293s 5110 55.8%
A 0.323s 5986 65.4%
A 0.354s 6802 74.3%
A 0.384s 7451 81.4%
A 0.415s 8026 87.7%
A 0.445s 8469 92.5%
A 0.475s 8803 96.2%
A 0.506s 9035 98.7%
A 0.536s 9143 99.9%
A 0.567s 9158 100.0%
B 0.020s 1 0.0%
B 0.050s 88 1.0%
B 0.081s 375 4.1%
B 0.111s 734 8.0%
B 0.141s 1191 13.0%
B 0.172s 1783 19.5%
B 0.202s 2469 27.0%
B 0.233s 3253 35.5%
B 0.263s 4202 45.9%
B 0.293s 5144 56.2%
B 0.324s 6021 65.8%
B 0.354s 6802 74.3%
B 0.384s 7451 81.4%
B 0.415s 8026 87.7%
B 0.445s 8471 92.5%
B 0.475s 8801 96.1%
B 0.506s 9038 98.7%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.050s 9053 98.9%
A 0.081s 8773 95.8%
A 0.111s 8427 92.1%
A 0.142s 7939 86.7%
A 0.172s 7359 80.4%
A 0.203s 6669 72.9%
A 0.233s 5870 64.1%
A 0.263s 4946 54.0%
A 0.294s 4025 44.0%
A 0.324s 3139 34.3%
A 0.354s 2356 25.7%
A 0.385s 1696 18.5%
A 0.415s 1123 12.3%
A 0.445s 689 7.5%
A 0.475s 339 3.7%
A 0.506s 118 1.3%
A 0.536s 8 0.1%
B 0.020s 9149 99.9%
B 0.051s 9045 98.8%
B 0.081s 8782 95.9%
B 0.111s 8430 92.1%
B 0.141s 7977 87.1%
B 0.172s 7396 80.8%
B 0.202s 6712 73.3%
B 0.232s 5927 64.7%
B 0.263s 4988 54.5%
B 0.293s 4035 44.1%
B 0.323s 3169 34.6%
B 0.354s 2373 25.9%
B 0.384s 1718 18.8%
B 0.414s 1151 12.6%
B 0.445s 686 7.5%
B 0.475s 360 3.9%
B 0.505s 126 1.4%
B 0.536s 6 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 0.567 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.1 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 230kB time=00:00:07.36 bitrate= 256.1kbits/s speed=1.24e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9890 IDLE
Sun Dec 21 19:52:49 -03 2025 [elapsed=327 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:
155M Dec 21 19:53 /atlas/obs/04a/61031/04a61031e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Dec 21 19:53:12 -03 2025 [elapsed=350 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (86 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Dec 21 19:53:12 -03 2025 [elapsed=350 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61030.95361880|info|galildriver|using focus model: foc=9830+(3.50)*22.6+(-0.35)*60.2=9888.0
61030.95362382|info|galildriver|o 3 IN | cass: 6104091 30.52 mm b=23 move=NO | arm: 409718 476.98 mm b=03 move=OK | foc: 53272682 9891 um b=8f M [focus]
61030.95363396|info|galildriver|o 3 IN | cass: 6104094 30.52 mm b=23 move=NO | arm: 409718 476.98 mm b=03 move=OK | foc: 53273018 9889 um b=0f [cmd]
bestfocus for o...OK
Sun Dec 21 19:53:14 -03 2025 [elapsed=352 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Dec 21 19:53:48 -03 2025 [elapsed=386 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 Dec 21 19:53:49 -03 2025 [elapsed=387 sec] Happy observing!
Sun Dec 21 19:53:49 -03 2025 [elapsed=387 sec] Preflight took 387 seconds to complete.
Sun Dec 21 19:53:49 -03 2025 [elapsed=387 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 116 1.3% A 0.081s 393 4.3% A 0.111s 731 8.0% A 0.142s 1197 13.1% A 0.172s 1801 19.7% A 0.202s 2489 27.2% A 0.232s 3293 36.0% A 0.263s 4205 45.9% A 0.293s 5107 55.8% A 0.323s 5991 65.4% A 0.353s 6803 74.3% A 0.384s 7453 81.4% A 0.414s 8025 87.7% A 0.444s 8470 92.5% A 0.474s 8787 96.0% A 0.504s 9029 98.6% A 0.535s 9139 99.8% A 0.565s 9151 100.0% B 0.020s 2 0.0% B 0.050s 123 1.3% B 0.081s 381 4.2% B 0.111s 730 8.0% B 0.141s 1204 13.2% B 0.171s 1773 19.4% B 0.201s 2466 26.9% B 0.232s 3270 35.7% B 0.262s 4169 45.5% B 0.292s 5135 56.1% B 0.322s 5988 65.4% B 0.353s 6772 74.0% B 0.383s 7440 81.3% B 0.413s 8067 88.1% B 0.443s 8456 92.4% B 0.474s 8795 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9154 100.0% A 0.050s 9050 98.9% A 0.081s 8794 96.1% A 0.111s 8441 92.2% A 0.141s 7981 87.2% A 0.171s 7363 80.4% A 0.201s 6716 73.4% A 0.232s 5930 64.8% A 0.262s 5013 54.8% A 0.292s 4072 44.5% A 0.323s 3200 35.0% A 0.353s 2403 26.3% A 0.383s 1734 18.9% A 0.413s 1161 12.7% A 0.443s 705 7.7% A 0.474s 369 4.0% A 0.504s 129 1.4% A 0.534s 17 0.2% A 0.564s 3 0.0% B 0.020s 9142 99.9% B 0.050s 9001 98.3% B 0.081s 8761 95.7% B 0.111s 8406 91.8% B 0.141s 7934 86.7% B 0.171s 7356 80.4% B 0.202s 6663 72.8% B 0.232s 5862 64.0% B 0.262s 4982 54.4% B 0.292s 4023 43.9% B 0.322s 3136 34.3% B 0.353s 2390 26.1% B 0.383s 1704 18.6% B 0.413s 1148 12.5% B 0.443s 699 7.6% B 0.474s 356 3.9% B 0.504s 132 1.4% B 0.534s 15 0.2% B 0.564s 2 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R