CHL Preflight Night 61225
Executing preflight for 61225 at Fri Jul 3 16:56:35 -04 2026.
Log can be found in /atlas/obs/04/61225/preflight.dat.
Setting donefile '/atlas/obs/04/61225/preflight_complete.20260703205635.29650' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260703205635.29650.
Fri Jul 3 16:56:35 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jul 3 16:56:35 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [e4573dd4-48f7-4096-9557-194c25ea278d;1800]
Fri Jul 3 16:56:35 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Jul 3 16:56:36 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Jul 3 16:56:36 -04 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jul 3 16:56:36 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jul 3 16:56:36 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1783112192
OK
Fri Jul 3 16:56:36 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jul 3 16:56:36 -04 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 Jul 3 16:56:37 -04 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
Fri Jul 3 16:56:38 -04 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Jul 3 16:56:38 -04 2026 [elapsed=3 sec] CLOCKS
admin: Fri Jul 3 20:56:38 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 614 1024 377 0.357 -0.303 0.134
+10.0.11.4 .GPS. 1 u 768 1024 377 0.578 -0.160 0.143
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 550 1024 377 139.400 -1.336 2.185
-185.125.190.56 99.220.8.133 2 u 1039 1024 377 222.053 -6.974 1.153
-185.125.190.58 99.220.8.133 2 u 354 1024 377 217.647 -4.101 1.569
-185.125.190.57 99.220.8.133 2 u 784 1024 377 217.303 -5.013 1.143
Fri Jul 3 16:56:39 -04 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (4473GB)
200GB available in /atlas/red...OK (8839GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 6.0T 4.3T 59% /
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 5.3T 8.5T 39% /
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc2:/dev/md0p1 15T 451G 13T 4% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 903G 13T 7% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc4:/dev/md0p1 15T 696G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Fri Jul 3 16:56:39 -04 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
Fri Jul 3 16:56:39 -04 2026 [elapsed=4 sec] Disabling mount tracking.
Fri Jul 3 16:56:39 -04 2026 [elapsed=4 sec] SERVICES2
Fri Jul 3 16:56:39 -04 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jul 3 16:56:44 -04 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=1.6e+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 Jul 3 17:00:03 -04 2026 [elapsed=208 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: 164.09 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Fri Jul 3 17:01:00 -04 2026 [elapsed=265 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jul 3 17:01:22 -04 2026 [elapsed=287 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.3 IDLE
Fri Jul 3 17:01:22 -04 2026 [elapsed=287 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 (-54.7C)
Checking CCD plane: Z0=-192.00 DZDX=+458.00 DZDY=-418.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Jul 3 17:01:22 -04 2026 [elapsed=287 sec] WEATHER
status weather: clear 13.8C 21% 3/5kph@137 DP20.4C/-68C/d IDLE
...OK
Fri Jul 3 17:01:23 -04 2026 [elapsed=288 sec] MET
status...OK
met: c=N o=Y Ro16h Co8h Wo16h Ho16h To16h Do16h IDLE
Fri Jul 3 17:01:23 -04 2026 [elapsed=288 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jul 3 17:01:23 -04 2026 [elapsed=288 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 192.76 -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 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 -1 -0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 10 0.1%
A 0.051s 108 1.2%
A 0.081s 386 4.2%
A 0.111s 738 8.1%
A 0.142s 1225 13.4%
A 0.172s 1799 19.7%
A 0.203s 2491 27.2%
A 0.233s 3280 35.8%
A 0.263s 4205 45.9%
A 0.294s 5140 56.2%
A 0.324s 6008 65.6%
A 0.354s 6807 74.4%
A 0.385s 7453 81.4%
A 0.415s 8028 87.7%
A 0.445s 8470 92.5%
A 0.475s 8802 96.2%
A 0.506s 9035 98.7%
A 0.536s 9143 99.9%
A 0.566s 9158 100.0%
B 0.020s 2 0.0%
B 0.050s 89 1.0%
B 0.081s 372 4.1%
B 0.111s 734 8.0%
B 0.141s 1190 13.0%
B 0.172s 1780 19.4%
B 0.202s 2492 27.2%
B 0.233s 3282 35.9%
B 0.263s 4201 45.9%
B 0.293s 5144 56.2%
B 0.323s 6024 65.8%
B 0.354s 6801 74.3%
B 0.384s 7451 81.4%
B 0.415s 8025 87.7%
B 0.445s 8471 92.5%
B 0.475s 8802 96.2%
B 0.506s 9038 98.7%
B 0.536s 9149 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9044 98.8%
A 0.081s 8761 95.7%
A 0.111s 8418 92.0%
A 0.141s 7950 86.8%
A 0.172s 7346 80.2%
A 0.202s 6665 72.8%
A 0.232s 5864 64.1%
A 0.262s 4949 54.1%
A 0.293s 4026 44.0%
A 0.323s 3134 34.2%
A 0.353s 2361 25.8%
A 0.384s 1690 18.5%
A 0.414s 1120 12.2%
A 0.444s 691 7.5%
A 0.474s 345 3.8%
A 0.504s 127 1.4%
A 0.535s 9 0.1%
B 0.020s 9149 99.9%
B 0.051s 9039 98.7%
B 0.081s 8774 95.8%
B 0.111s 8407 91.8%
B 0.142s 7943 86.8%
B 0.172s 7355 80.3%
B 0.202s 6663 72.8%
B 0.233s 5874 64.2%
B 0.263s 4957 54.2%
B 0.293s 4008 43.8%
B 0.324s 3143 34.3%
B 0.354s 2348 25.6%
B 0.384s 1698 18.5%
B 0.415s 1134 12.4%
B 0.445s 673 7.4%
B 0.476s 350 3.8%
B 0.506s 119 1.3%
B 0.536s 3 0.0%
A 0 0.0mm 15 N F R | B -3 -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 0.536 seconds.
Shutter A closed to 0.1 percent in 0.535 seconds.
Shutter B closed to 0.0 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 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=9864 IDLE
Fri Jul 3 17:01:59 -04 2026 [elapsed=324 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.3 IDLE
taking preflight exposures:
acam...OK
acam image:
158M Jul 3 17:02 /atlas/obs/04a/61225/04a61225e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jul 3 17:02:21 -04 2026 [elapsed=346 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (19 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jul 3 17:02:21 -04 2026 [elapsed=346 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61224.87664610|info|galildriver|using focus model: foc=9830+(3.50)*15.9+(-0.35)*60.2=9864.6
61224.87665078|info|galildriver|o 3 IN | cass: 6102374 30.51 mm b=23 move=NO | arm: 406814 473.60 mm b=03 move=OK | foc: 53278036 9864 um b=0f [cmd]
bestfocus for o...OK
Fri Jul 3 17:02:23 -04 2026 [elapsed=348 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jul 3 17:02:52 -04 2026 [elapsed=377 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 Jul 3 17:02:53 -04 2026 [elapsed=378 sec] Happy observing!
Fri Jul 3 17:02:53 -04 2026 [elapsed=378 sec] Preflight took 378 seconds to complete.
Fri Jul 3 17:02:53 -04 2026 [elapsed=378 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 0.050s 122 1.3% A 0.081s 396 4.3% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.202s 2490 27.2% A 0.232s 3266 35.7% A 0.262s 4175 45.6% A 0.292s 5104 55.8% A 0.323s 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.413s 8007 87.5% A 0.444s 8456 92.4% A 0.474s 8792 96.0% A 0.504s 9027 98.6% A 0.534s 9137 99.8% A 0.564s 9153 100.0% B 0.020s 1 0.0% B 0.050s 117 1.3% B 0.081s 380 4.2% B 0.111s 730 8.0% B 0.141s 1203 13.1% B 0.171s 1775 19.4% B 0.201s 2468 27.0% B 0.232s 3268 35.7% B 0.262s 4168 45.5% B 0.292s 5104 55.8% B 0.322s 5963 65.1% B 0.353s 6748 73.7% B 0.383s 7439 81.3% B 0.413s 8000 87.4% B 0.443s 8457 92.4% B 0.474s 8795 96.1% B 0.504s 9024 98.6% B 0.534s 9140 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.172s 7380 80.6% A 0.202s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4981 54.4% A 0.293s 4039 44.1% A 0.323s 3166 34.6% A 0.353s 2386 26.1% A 0.383s 1711 18.7% A 0.413s 1164 12.7% A 0.444s 706 7.7% A 0.474s 367 4.0% A 0.504s 131 1.4% A 0.534s 15 0.2% A 0.565s 2 0.0% B 0.020s 9144 99.9% B 0.050s 9020 98.5% B 0.081s 8780 95.9% B 0.111s 8436 92.2% B 0.141s 7953 86.9% B 0.172s 7380 80.6% B 0.202s 6690 73.1% B 0.232s 5922 64.7% B 0.262s 4982 54.4% B 0.293s 4053 44.3% B 0.323s 3191 34.9% B 0.353s 2394 26.2% B 0.383s 1725 18.8% B 0.413s 1162 12.7% B 0.444s 712 7.8% B 0.474s 364 4.0% B 0.504s 137 1.5% B 0.534s 16 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R