CHL Preflight Night 61213
Executing preflight for 61213 at Sun Jun 21 16:52:42 -04 2026.
Log can be found in /atlas/obs/04/61213/preflight.dat.
Setting donefile '/atlas/obs/04/61213/preflight_complete.20260621205242.3523' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260621205242.3523.
Sun Jun 21 16:52:42 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Jun 21 16:52:42 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [a379b9f5-82e7-4521-bafe-644998fd07e2;1800]
Sun Jun 21 16:52:42 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sun Jun 21 16:52:43 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sun Jun 21 16:52:43 -04 2026 [elapsed=1 sec] auxcam is disabled.
Sun Jun 21 16:52:43 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Jun 21 16:52:43 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782075156
OK
Sun Jun 21 16:52:43 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Jun 21 16:52:43 -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
Sun Jun 21 16:52:45 -04 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 Jun 21 16:52:45 -04 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Jun 21 16:52:45 -04 2026 [elapsed=3 sec] CLOCKS
admin: Sun Jun 21 20:52:45 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 808 1024 377 0.298 0.368 0.204
+10.0.11.4 .GPS. 1 u 560 1024 377 0.715 0.606 0.153
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 642 1024 377 147.935 -5.105 0.853
-185.125.190.56 99.220.8.133 2 u 191 1024 377 223.052 -6.505 1.156
-185.125.190.58 146.131.121.246 2 u 821 1024 377 227.439 -8.450 0.774
-185.125.190.57 99.220.8.133 2 u 568 1024 377 224.077 -8.146 1.139
Sun Jun 21 16:52:46 -04 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (4521GB)
200GB available in /atlas/red...OK (9069GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 5.9T 4.4T 58% /
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 5.0T 8.7T 37% /
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 450G 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
Sun Jun 21 16:52:46 -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
Sun Jun 21 16:52:46 -04 2026 [elapsed=4 sec] Disabling mount tracking.
Sun Jun 21 16:52:47 -04 2026 [elapsed=5 sec] SERVICES2
Sun Jun 21 16:52:47 -04 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Jun 21 16:52:51 -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=1.51e+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 Jun 21 16:56:10 -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: 151.29 -27.58, az/alt=324.65 +86.49 idle(e) IDLE
Sun Jun 21 16:57:07 -04 2026 [elapsed=265 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Jun 21 16:57:29 -04 2026 [elapsed=287 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.8 IDLE
Sun Jun 21 16:57:29 -04 2026 [elapsed=287 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (2 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-55.4C)
Checking CCD plane: Z0=-187.00 DZDX=+472.00 DZDY=-414.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Jun 21 16:57:29 -04 2026 [elapsed=287 sec] WEATHER
status weather: clear 8.2C 53% 25/26kph@255 DP8.2C/-29C/d IDLE
...OK
Sun Jun 21 16:57:30 -04 2026 [elapsed=287 sec] MET
status...OK
met: c=N o=Y Ro2d Co10h Wo2d Ho2d To2d Do6h IDLE
Sun Jun 21 16:57:30 -04 2026 [elapsed=288 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Jun 21 16:57:30 -04 2026 [elapsed=288 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 179.96 -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 -2 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 6 0.1%
A 0.051s 106 1.2%
A 0.081s 377 4.1%
A 0.111s 725 7.9%
A 0.142s 1211 13.2%
A 0.172s 1800 19.7%
A 0.202s 2466 26.9%
A 0.232s 3251 35.5%
A 0.263s 4166 45.5%
A 0.293s 5114 55.9%
A 0.323s 6012 65.7%
A 0.354s 6805 74.3%
A 0.384s 7450 81.4%
A 0.415s 8026 87.7%
A 0.445s 8472 92.5%
A 0.475s 8805 96.2%
A 0.506s 9038 98.7%
A 0.536s 9146 99.9%
B 0.020s 3 0.0%
B 0.050s 91 1.0%
B 0.081s 381 4.2%
B 0.111s 747 8.2%
B 0.141s 1207 13.2%
B 0.171s 1799 19.7%
B 0.202s 2493 27.2%
B 0.232s 3281 35.8%
B 0.262s 4200 45.9%
B 0.293s 5143 56.2%
B 0.323s 6023 65.8%
B 0.353s 6802 74.3%
B 0.384s 7451 81.4%
B 0.414s 8027 87.7%
B 0.444s 8471 92.5%
B 0.474s 8802 96.2%
B 0.505s 9038 98.7%
B 0.535s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9048 98.8%
A 0.081s 8765 95.8%
A 0.111s 8427 92.1%
A 0.141s 7954 86.9%
A 0.172s 7348 80.3%
A 0.202s 6667 72.8%
A 0.232s 5867 64.1%
A 0.262s 4950 54.1%
A 0.293s 4022 43.9%
A 0.323s 3141 34.3%
A 0.353s 2366 25.8%
A 0.384s 1678 18.3%
A 0.414s 1122 12.3%
A 0.444s 687 7.5%
A 0.474s 349 3.8%
A 0.505s 130 1.4%
A 0.535s 2 0.0%
B 0.020s 9150 100.0%
B 0.051s 9045 98.8%
B 0.081s 8764 95.7%
B 0.111s 8420 92.0%
B 0.142s 7961 87.0%
B 0.172s 7358 80.4%
B 0.202s 6666 72.8%
B 0.232s 5871 64.1%
B 0.263s 4987 54.5%
B 0.293s 4040 44.1%
B 0.323s 3169 34.6%
B 0.353s 2370 25.9%
B 0.384s 1716 18.7%
B 0.414s 1152 12.6%
B 0.444s 686 7.5%
B 0.474s 356 3.9%
B 0.505s 125 1.4%
B 0.535s 5 0.1%
A 0 0.0mm 15 N F R | B -5 -0.2mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 99.9 percent in 0.536 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 0.1 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.25e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9848 IDLE
Sun Jun 21 16:58:05 -04 2026 [elapsed=323 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.8 IDLE
taking preflight exposures:
acam...OK
acam image:
158M Jun 21 16:58 /atlas/obs/04a/61213/04a61213e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Jun 21 16:58:27 -04 2026 [elapsed=345 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (55 seconds old)
OTA humidity level...OK (9%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Jun 21 16:58:27 -04 2026 [elapsed=345 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61212.87393283|info|galildriver|using focus model: foc=9830+(3.50)*11.4+(-0.35)*60.2=9848.8
61212.87393750|info|galildriver|o 3 IN | cass: 6105085 30.53 mm b=23 move=NO | arm: 406814 473.60 mm b=03 move=OK | foc: 53281187 9848 um b=0f [cmd]
bestfocus for o...OK
Sun Jun 21 16:58:29 -04 2026 [elapsed=347 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Jun 21 16:58:58 -04 2026 [elapsed=376 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 Jun 21 16:59:00 -04 2026 [elapsed=378 sec] Happy observing!
Sun Jun 21 16:59:00 -04 2026 [elapsed=378 sec] Preflight took 378 seconds to complete.
Sun Jun 21 16:59:00 -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 0.051s 114 1.2% A 0.081s 384 4.2% A 0.111s 736 8.0% A 0.142s 1197 13.1% A 0.172s 1783 19.5% A 0.202s 2466 26.9% A 0.233s 3267 35.7% A 0.263s 4205 45.9% A 0.294s 5104 55.8% A 0.324s 6025 65.8% A 0.355s 6798 74.3% A 0.385s 7453 81.4% A 0.416s 8040 87.8% A 0.446s 8481 92.6% A 0.477s 8811 96.3% A 0.507s 9038 98.7% A 0.538s 9140 99.8% A 0.568s 9153 100.0% B 0.020s 2 0.0% B 0.051s 113 1.2% B 0.081s 378 4.1% B 0.112s 727 7.9% B 0.142s 1202 13.1% B 0.173s 1773 19.4% B 0.203s 2490 27.2% B 0.234s 3298 36.0% B 0.264s 4198 45.9% B 0.295s 5133 56.1% B 0.325s 6016 65.7% B 0.355s 6794 74.2% B 0.386s 7480 81.7% B 0.416s 8033 87.8% B 0.446s 8480 92.6% B 0.477s 8814 96.3% B 0.507s 9033 98.7% B 0.538s 9143 99.9% B 0.568s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9147 99.9% A 0.051s 9039 98.7% A 0.082s 8751 95.6% A 0.112s 8391 91.7% A 0.143s 7919 86.5% A 0.173s 7315 79.9% A 0.204s 6615 72.3% A 0.235s 5807 63.4% A 0.265s 4855 53.0% A 0.295s 3917 42.8% A 0.326s 3056 33.4% A 0.356s 2292 25.0% A 0.387s 1633 17.8% A 0.417s 1065 11.6% A 0.448s 633 6.9% A 0.478s 314 3.4% A 0.509s 99 1.1% A 0.539s 7 0.1% B 0.020s 9144 99.9% B 0.051s 9024 98.6% B 0.081s 8770 95.8% B 0.112s 8421 92.0% B 0.142s 7951 86.9% B 0.173s 7356 80.4% B 0.203s 6665 72.8% B 0.234s 5862 64.0% B 0.265s 4919 53.7% B 0.295s 3993 43.6% B 0.325s 3109 34.0% B 0.356s 2345 25.6% B 0.386s 1661 18.1% B 0.416s 1117 12.2% B 0.447s 674 7.4% B 0.477s 338 3.7% B 0.508s 116 1.3% B 0.539s 9 0.1% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R