CHL Preflight Night 61094
Executing preflight for 61094 at Sun Feb 22 19:26:13 -03 2026.
Log can be found in /atlas/obs/04/61094/preflight.dat.
Setting donefile '/atlas/obs/04/61094/preflight_complete.20260222222613.11342' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260222222613.11342.
Sun Feb 22 19:26:14 -03 2026 [elapsed=1 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Feb 22 19:26:14 -03 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [c5441fc8-e272-49d4-be99-8930a0d1e806;1800]
Sun Feb 22 19:26:14 -03 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sun Feb 22 19:26:14 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sun Feb 22 19:26:14 -03 2026 [elapsed=1 sec] auxcam is disabled.
Sun Feb 22 19:26:14 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Feb 22 19:26:14 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1771799173
OK
Sun Feb 22 19:26:14 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Feb 22 19:26:14 -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 Feb 22 19:26:16 -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 Feb 22 19:26:17 -03 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Sun Feb 22 19:26:17 -03 2026 [elapsed=4 sec] CLOCKS
admin: Sun Feb 22 22:26:17 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 395 512 377 0.307 -0.350 0.441
*10.0.11.4 .GPS. 1 u 86 512 377 0.745 -0.249 0.476
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 194.121.207.249 2 u 424 1024 377 222.548 -8.380 1.360
-185.125.190.58 194.121.207.249 2 u 430 1024 377 218.654 -4.450 0.917
+alphyn.canonica 132.163.96.1 2 u 491 512 377 153.993 1.409 2.425
-185.125.190.56 79.243.60.50 2 u 586 1024 377 228.733 -8.438 2.361
Sun Feb 22 19:26:18 -03 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5081GB)
200GB available in /atlas/red...OK (8762GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 5.4T 4.9T 53% /
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 5.3T 8.4T 39% /
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 610G 13T 5% /
proc2:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc2:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc3:/dev/md0p1 15T 901G 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 691G 13T 6% /
proc4:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc4:/dev/loop2 105M 105M 0 100% /snap/core/17272
Sun Feb 22 19:26:18 -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
Sun Feb 22 19:26:18 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Sun Feb 22 19:26:18 -03 2026 [elapsed=5 sec] Closing dome.
Sun Feb 22 19:26:55 -03 2026 [elapsed=42 sec] SERVICES2
Sun Feb 22 19:26:55 -03 2026 [elapsed=42 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Feb 22 19:27:00 -03 2026 [elapsed=47 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=1.59e+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 Feb 22 19:30:15 -03 2026 [elapsed=242 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: 57.61 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Sun Feb 22 19:31:21 -03 2026 [elapsed=308 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Feb 22 19:31:46 -03 2026 [elapsed=333 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Sun Feb 22 19:31:46 -03 2026 [elapsed=333 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (7 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.0C)
Checking CCD plane: Z0=-200.00 DZDX=+464.00 DZDY=-408.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Feb 22 19:31:46 -03 2026 [elapsed=333 sec] WEATHER
status weather: C 27.5C 28% 13/19kph@296 DP19.8C/4C/d IDLE
...OK
Sun Feb 22 19:31:46 -03 2026 [elapsed=333 sec] MET
status...OK
met: c=N o=Y Ro2d Co1d Wo16d Ho16d To16d Do16d IDLE
Sun Feb 22 19:31:46 -03 2026 [elapsed=333 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Feb 22 19:31:46 -03 2026 [elapsed=333 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 86.29 -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 -1 -0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.051s 113 1.2%
A 0.081s 393 4.3%
A 0.111s 728 8.0%
A 0.142s 1203 13.1%
A 0.172s 1792 19.6%
A 0.202s 2490 27.2%
A 0.232s 3290 35.9%
A 0.263s 4199 45.9%
A 0.293s 5139 56.1%
A 0.324s 6008 65.6%
A 0.354s 6802 74.3%
A 0.384s 7454 81.4%
A 0.414s 8029 87.7%
A 0.445s 8469 92.5%
A 0.475s 8802 96.2%
A 0.505s 9033 98.7%
A 0.536s 9138 99.8%
A 0.566s 9156 100.0%
B 0.020s 1 0.0%
B 0.051s 88 1.0%
B 0.081s 377 4.1%
B 0.111s 737 8.1%
B 0.142s 1191 13.0%
B 0.172s 1782 19.5%
B 0.202s 2469 27.0%
B 0.232s 3253 35.5%
B 0.263s 4172 45.6%
B 0.293s 5113 55.9%
B 0.323s 5993 65.5%
B 0.354s 6781 74.1%
B 0.384s 7430 81.2%
B 0.414s 8011 87.5%
B 0.444s 8460 92.4%
B 0.475s 8790 96.0%
B 0.505s 9030 98.6%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9153 100.0%
A 0.051s 9056 98.9%
A 0.081s 8770 95.8%
A 0.111s 8426 92.0%
A 0.141s 7960 87.0%
A 0.172s 7374 80.6%
A 0.202s 6689 73.1%
A 0.232s 5897 64.4%
A 0.263s 4977 54.4%
A 0.293s 4055 44.3%
A 0.323s 3164 34.6%
A 0.353s 2401 26.2%
A 0.384s 1716 18.7%
A 0.414s 1139 12.4%
A 0.444s 705 7.7%
A 0.475s 358 3.9%
A 0.505s 129 1.4%
A 0.536s 14 0.2%
A 0.571s -2 0.0%
B 0.020s 9146 99.9%
B 0.051s 9037 98.7%
B 0.081s 8769 95.8%
B 0.111s 8417 91.9%
B 0.142s 7959 86.9%
B 0.172s 7377 80.6%
B 0.202s 6685 73.0%
B 0.233s 5897 64.4%
B 0.263s 4989 54.5%
B 0.293s 4033 44.1%
B 0.324s 3139 34.3%
B 0.354s 2351 25.7%
B 0.384s 1698 18.5%
B 0.415s 1134 12.4%
B 0.445s 673 7.4%
B 0.475s 352 3.8%
B 0.506s 120 1.3%
B 0.536s 5 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 0.566 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.0 percent in 0.571 seconds.
Shutter B closed to 0.1 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.16e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9907 IDLE
Sun Feb 22 19:32:21 -03 2026 [elapsed=368 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 Feb 22 19:32 /atlas/obs/04a/61094/04a61094e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Feb 22 19:32:44 -03 2026 [elapsed=391 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (28 seconds old)
OTA humidity level...OK (8%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Feb 22 19:32:44 -03 2026 [elapsed=391 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61093.93940567|info|galildriver|using focus model: foc=9830+(3.50)*26.1+(-0.35)*60.2=9900.3
61093.93941068|info|galildriver|o 3 IN | cass: 6103753 30.52 mm b=23 move=NO | arm: 407159 474.00 mm b=03 move=OK | foc: 53269341 9907 um b=8f M [focus]
61093.93942082|info|galildriver|o 3 IN | cass: 6103754 30.52 mm b=23 move=NO | arm: 407159 474.00 mm b=03 move=OK | foc: 53269680 9906 um b=0f [cmd]
bestfocus for o...OK
Sun Feb 22 19:32:46 -03 2026 [elapsed=393 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Feb 22 19:33:20 -03 2026 [elapsed=427 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 Feb 22 19:33:21 -03 2026 [elapsed=428 sec] Happy observing!
Sun Feb 22 19:33:21 -03 2026 [elapsed=428 sec] Preflight took 427 seconds to complete.
Sun Feb 22 19:33:21 -03 2026 [elapsed=428 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 0.051s 110 1.2% A 0.081s 370 4.0% A 0.111s 717 7.8% A 0.141s 1181 12.9% A 0.171s 1759 19.2% A 0.202s 2442 26.7% A 0.232s 3238 35.4% A 0.262s 4143 45.3% A 0.292s 5077 55.5% A 0.322s 5963 65.1% A 0.353s 6757 73.8% A 0.383s 7412 81.0% A 0.413s 7992 87.3% A 0.443s 8434 92.1% A 0.473s 8770 95.8% A 0.504s 9018 98.5% A 0.534s 9137 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 121 1.3% B 0.081s 388 4.2% B 0.111s 741 8.1% B 0.141s 1220 13.3% B 0.172s 1794 19.6% B 0.202s 2491 27.2% B 0.232s 3298 36.0% B 0.262s 4197 45.8% B 0.292s 5104 55.8% B 0.323s 5988 65.4% B 0.353s 6770 74.0% B 0.383s 7440 81.3% B 0.413s 8001 87.4% B 0.443s 8455 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 9152 100.0% A 0.050s 9047 98.8% A 0.081s 8780 95.9% A 0.111s 8438 92.2% A 0.141s 7961 87.0% A 0.171s 7402 80.9% A 0.201s 6712 73.3% A 0.231s 5927 64.7% A 0.262s 5010 54.7% A 0.292s 4069 44.5% A 0.323s 3197 34.9% A 0.353s 2383 26.0% A 0.384s 1714 18.7% A 0.414s 1143 12.5% A 0.445s 680 7.4% A 0.475s 349 3.8% A 0.506s 117 1.3% A 0.536s 14 0.2% A 0.567s 3 0.0% B 0.020s 9145 99.9% B 0.051s 9018 98.5% B 0.081s 8773 95.8% B 0.111s 8422 92.0% B 0.142s 7952 86.9% B 0.172s 7358 80.4% B 0.203s 6664 72.8% B 0.233s 5866 64.1% B 0.263s 4953 54.1% B 0.294s 4025 44.0% B 0.324s 3137 34.3% B 0.355s 2366 25.8% B 0.385s 1663 18.2% B 0.416s 1117 12.2% B 0.446s 673 7.4% B 0.477s 339 3.7% B 0.507s 115 1.3% B 0.538s 9 0.1% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R