CHL Preflight Night 61215
Executing preflight for 61215 at Tue Jun 23 16:53:10 -04 2026.
Log can be found in /atlas/obs/04/61215/preflight.dat.
Setting donefile '/atlas/obs/04/61215/preflight_complete.20260623205310.3523' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260623205310.3523.
Tue Jun 23 16:53:10 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Jun 23 16:53:10 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [cfe52e2b-a5e4-43da-8adf-ce6d0066644a;1800]
Tue Jun 23 16:53:10 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Tue Jun 23 16:53:11 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Tue Jun 23 16:53:11 -04 2026 [elapsed=1 sec] auxcam is disabled.
Tue Jun 23 16:53:11 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Jun 23 16:53:11 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782247986
OK
Tue Jun 23 16:53:11 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Jun 23 16:53:11 -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
Tue Jun 23 16:53:14 -04 2026 [elapsed=4 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
Tue Jun 23 16:53:15 -04 2026 [elapsed=5 sec] QUEUE
0 observations queued.
Tue Jun 23 16:53:15 -04 2026 [elapsed=5 sec] CLOCKS
admin: Tue Jun 23 20:53:15 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 410 1024 377 0.311 -0.058 0.138
+10.0.11.4 .GPS. 1 u 517 1024 377 0.584 0.081 0.144
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 622 1024 373 150.319 -6.725 0.943
-185.125.190.56 99.220.8.133 2 u 69 1024 377 223.035 -6.651 1.827
-185.125.190.58 99.220.8.133 2 u 323 1024 377 224.677 -7.717 1.367
-185.125.190.57 99.220.8.133 2 u 421 1024 377 224.302 -8.489 1.825
Tue Jun 23 16:53:16 -04 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (4490GB)
200GB available in /atlas/red...OK (8974GB)
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 5.1T 8.6T 38% /
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 644G 13T 5% /
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
Tue Jun 23 16:53:16 -04 2026 [elapsed=6 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
Tue Jun 23 16:53:16 -04 2026 [elapsed=6 sec] Disabling mount tracking.
Tue Jun 23 16:53:16 -04 2026 [elapsed=6 sec] SERVICES2
Tue Jun 23 16:53:16 -04 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Jun 23 16:53:21 -04 2026 [elapsed=11 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= 914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.5e+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
Tue Jun 23 16:56:11 -04 2026 [elapsed=181 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: 153.27 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Tue Jun 23 16:57:08 -04 2026 [elapsed=238 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Jun 23 16:57:30 -04 2026 [elapsed=260 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.7 IDLE
Tue Jun 23 16:57:30 -04 2026 [elapsed=260 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (10 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.6C)
Checking CCD plane: Z0=-193.00 DZDX=+458.00 DZDY=-414.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=10 IDLE
Tue Jun 23 16:57:30 -04 2026 [elapsed=260 sec] WEATHER
status weather: clear 17.3C 8% 6/14kph@264 DP33.5C/-20C/d IDLE
...OK
Tue Jun 23 16:57:31 -04 2026 [elapsed=261 sec] MET
status...OK
met: c=N o=Y Ro4d Co2d Wo4d Ho4d To4d Do2d IDLE
Tue Jun 23 16:57:31 -04 2026 [elapsed=261 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Jun 23 16:57:31 -04 2026 [elapsed=261 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 181.94 -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 -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 5 0.1%
A 0.050s 118 1.3%
A 0.081s 374 4.1%
A 0.111s 730 8.0%
A 0.141s 1186 13.0%
A 0.171s 1753 19.2%
A 0.202s 2440 26.7%
A 0.232s 3262 35.6%
A 0.262s 4133 45.1%
A 0.293s 5084 55.5%
A 0.323s 5982 65.3%
A 0.353s 6756 73.8%
A 0.383s 7433 81.2%
A 0.414s 7993 87.3%
A 0.444s 8447 92.3%
A 0.474s 8795 96.1%
A 0.504s 9029 98.6%
A 0.535s 9138 99.8%
A 0.565s 9157 100.0%
B 0.020s 2 0.0%
B 0.050s 92 1.0%
B 0.081s 374 4.1%
B 0.111s 736 8.0%
B 0.142s 1193 13.0%
B 0.172s 1780 19.4%
B 0.202s 2471 27.0%
B 0.233s 3254 35.5%
B 0.263s 4170 45.6%
B 0.293s 5114 55.9%
B 0.324s 5997 65.5%
B 0.354s 6779 74.1%
B 0.384s 7432 81.2%
B 0.414s 8011 87.5%
B 0.444s 8458 92.4%
B 0.475s 8793 96.1%
B 0.505s 9032 98.7%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9153 100.0%
A 0.051s 9065 99.0%
A 0.081s 8782 95.9%
A 0.111s 8439 92.2%
A 0.141s 7977 87.1%
A 0.172s 7397 80.8%
A 0.202s 6715 73.4%
A 0.232s 5924 64.7%
A 0.263s 5015 54.8%
A 0.293s 4080 44.6%
A 0.323s 3166 34.6%
A 0.353s 2403 26.3%
A 0.384s 1734 18.9%
A 0.414s 1156 12.6%
A 0.444s 715 7.8%
A 0.475s 364 4.0%
A 0.505s 134 1.5%
A 0.535s 11 0.1%
A 0.565s -5 0.0%
B 0.020s 9147 99.9%
B 0.051s 9036 98.7%
B 0.081s 8772 95.8%
B 0.111s 8419 92.0%
B 0.141s 7960 87.0%
B 0.172s 7376 80.6%
B 0.202s 6686 73.0%
B 0.232s 5898 64.4%
B 0.263s 4989 54.5%
B 0.293s 4035 44.1%
B 0.323s 3167 34.6%
B 0.353s 2373 25.9%
B 0.384s 1717 18.8%
B 0.414s 1149 12.6%
B 0.444s 686 7.5%
B 0.474s 360 3.9%
B 0.504s 126 1.4%
B 0.535s 5 0.1%
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 0.565 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.0 percent in 0.565 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=1.17e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9871 IDLE
Tue Jun 23 16:58:08 -04 2026 [elapsed=298 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Jun 23 16:58 /atlas/obs/04a/61215/04a61215e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Jun 23 16:58:31 -04 2026 [elapsed=321 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (59 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Jun 23 16:58:31 -04 2026 [elapsed=321 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61214.87397620|info|galildriver|using focus model: foc=9830+(3.50)*18.0+(-0.35)*60.3=9871.9
61214.87398088|info|galildriver|o 3 IN | cass: 6102253 30.51 mm b=23 move=NO | arm: 406814 473.60 mm b=03 move=OK | foc: 53276556 9871 um b=0f [cmd]
bestfocus for o...OK
Tue Jun 23 16:58:32 -04 2026 [elapsed=322 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Jun 23 16:59:01 -04 2026 [elapsed=351 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.
Tue Jun 23 16:59:02 -04 2026 [elapsed=352 sec] Happy observing!
Tue Jun 23 16:59:02 -04 2026 [elapsed=352 sec] Preflight took 352 seconds to complete.
Tue Jun 23 16:59:02 -04 2026 [elapsed=352 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 0.021s 4 0.0% A 0.051s 128 1.4% A 0.082s 405 4.4% A 0.112s 762 8.3% A 0.143s 1230 13.4% A 0.173s 1845 20.2% A 0.204s 2537 27.7% A 0.235s 3350 36.6% A 0.265s 4266 46.6% A 0.295s 5221 57.0% A 0.326s 6106 66.7% A 0.356s 6865 75.0% A 0.386s 7513 82.1% A 0.416s 8072 88.2% A 0.447s 8506 92.9% A 0.478s 8829 96.4% A 0.508s 9054 98.9% A 0.539s 9145 99.9% B 0.020s 1 0.0% B 0.050s 111 1.2% B 0.081s 379 4.1% B 0.112s 740 8.1% B 0.142s 1219 13.3% B 0.172s 1793 19.6% B 0.203s 2490 27.2% B 0.233s 3295 36.0% B 0.264s 4197 45.8% B 0.294s 5160 56.4% B 0.324s 6043 66.0% B 0.354s 6819 74.5% B 0.385s 7480 81.7% B 0.415s 8034 87.8% B 0.446s 8480 92.6% B 0.476s 8814 96.3% B 0.506s 9034 98.7% B 0.537s 9143 99.9% B 0.567s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.051s 9041 98.8% A 0.081s 8767 95.8% A 0.111s 8408 91.9% A 0.142s 7941 86.7% A 0.172s 7360 80.4% A 0.203s 6668 72.8% A 0.233s 5839 63.8% A 0.263s 4920 53.7% A 0.294s 3980 43.5% A 0.324s 3112 34.0% A 0.355s 2339 25.6% A 0.385s 1671 18.3% A 0.415s 1114 12.2% A 0.446s 656 7.2% A 0.476s 332 3.6% A 0.507s 109 1.2% A 0.537s 9 0.1% B 0.020s 9142 99.9% B 0.051s 9010 98.4% B 0.081s 8762 95.7% B 0.112s 8394 91.7% B 0.142s 7919 86.5% B 0.173s 7337 80.2% B 0.203s 6643 72.6% B 0.234s 5809 63.5% B 0.264s 4887 53.4% B 0.294s 3965 43.3% B 0.325s 3084 33.7% B 0.355s 2324 25.4% B 0.386s 1642 17.9% B 0.416s 1083 11.8% B 0.447s 649 7.1% B 0.477s 321 3.5% B 0.507s 111 1.2% B 0.538s 9 0.1% A 1 0.0mm 15 N F R | B 1 0.0mm 15 N F R