CHL Preflight Night 61217
Executing preflight for 61217 at Thu Jun 25 16:53:44 -04 2026.
Log can be found in /atlas/obs/04/61217/preflight.dat.
Setting donefile '/atlas/obs/04/61217/preflight_complete.20260625205344.3523' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260625205344.3523.
Thu Jun 25 16:53:45 -04 2026 [elapsed=1 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Jun 25 16:53:45 -04 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [73e682d7-5cae-4bcb-938b-243f8f219b5a;1800]
Thu Jun 25 16:53:45 -04 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Thu Jun 25 16:53:46 -04 2026 [elapsed=2 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Thu Jun 25 16:53:46 -04 2026 [elapsed=2 sec] auxcam is disabled.
Thu Jun 25 16:53:46 -04 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Thu Jun 25 16:53:46 -04 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782420824
OK
Thu Jun 25 16:53:46 -04 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Thu Jun 25 16:53:46 -04 2026 [elapsed=2 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
Thu Jun 25 16:53:49 -04 2026 [elapsed=5 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
Thu Jun 25 16:53:49 -04 2026 [elapsed=5 sec] QUEUE
0 observations queued.
Thu Jun 25 16:53:49 -04 2026 [elapsed=5 sec] CLOCKS
admin: Thu Jun 25 20:53:49 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 463 1024 377 0.346 1.433 0.781
*10.0.11.4 .GPS. 1 u 304 1024 377 0.637 1.603 0.727
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 558 1024 377 149.439 -3.908 1.538
-185.125.190.56 99.220.8.133 2 u 1055 1024 377 218.097 -3.912 1.253
-185.125.190.58 146.131.121.246 2 u 1069 1024 377 219.366 -3.593 1.599
-185.125.190.57 99.220.8.133 2 u 315 1024 377 220.264 -5.919 1.529
Thu Jun 25 16:53:51 -04 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (4451GB)
200GB available in /atlas/red...OK (8933GB)
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 5.2T 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 597G 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
Thu Jun 25 16:53:52 -04 2026 [elapsed=8 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
Thu Jun 25 16:53:52 -04 2026 [elapsed=8 sec] Disabling mount tracking.
Thu Jun 25 16:53:52 -04 2026 [elapsed=8 sec] SERVICES2
Thu Jun 25 16:53:52 -04 2026 [elapsed=8 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Jun 25 16:53:56 -04 2026 [elapsed=12 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=1.57e+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
Thu Jun 25 16:56:46 -04 2026 [elapsed=182 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: 155.39 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Thu Jun 25 16:57:44 -04 2026 [elapsed=240 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Jun 25 16:58:06 -04 2026 [elapsed=262 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.3 IDLE
Thu Jun 25 16:58:06 -04 2026 [elapsed=262 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (4 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.9C)
Checking CCD plane: Z0=-196.00 DZDX=+461.00 DZDY=-414.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=10 IDLE
Thu Jun 25 16:58:06 -04 2026 [elapsed=262 sec] WEATHER
status weather: clear 20.9C 10% 11/13kph@212 DP30.5C/-117C/d IDLE
...OK
Thu Jun 25 16:58:07 -04 2026 [elapsed=263 sec] MET
status...OK
met: c=N o=Y Ro6d Co4d Wo6d Ho6d To6d Do4d IDLE
Thu Jun 25 16:58:07 -04 2026 [elapsed=263 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Jun 25 16:58:07 -04 2026 [elapsed=263 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 184.06 -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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.051s 112 1.2%
A 0.081s 392 4.3%
A 0.111s 739 8.1%
A 0.142s 1226 13.4%
A 0.172s 1799 19.7%
A 0.202s 2493 27.2%
A 0.232s 3286 35.9%
A 0.263s 4196 45.8%
A 0.293s 5139 56.1%
A 0.323s 6011 65.7%
A 0.354s 6809 74.4%
A 0.384s 7451 81.4%
A 0.414s 8024 87.7%
A 0.444s 8468 92.5%
A 0.475s 8802 96.2%
A 0.505s 9034 98.7%
A 0.535s 9142 99.9%
A 0.566s 9156 100.0%
B 0.020s 0 0.0%
B 0.051s 85 0.9%
B 0.081s 365 4.0%
B 0.111s 722 7.9%
B 0.141s 1177 12.9%
B 0.172s 1781 19.5%
B 0.202s 2468 27.0%
B 0.232s 3256 35.6%
B 0.263s 4140 45.2%
B 0.293s 5112 55.8%
B 0.323s 5996 65.5%
B 0.354s 6781 74.1%
B 0.384s 7430 81.2%
B 0.415s 8010 87.5%
B 0.445s 8458 92.4%
B 0.475s 8792 96.0%
B 0.506s 9031 98.7%
B 0.536s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.050s 9052 98.9%
A 0.081s 8771 95.8%
A 0.111s 8426 92.0%
A 0.141s 7962 87.0%
A 0.172s 7376 80.6%
A 0.202s 6690 73.1%
A 0.232s 5895 64.4%
A 0.263s 4979 54.4%
A 0.293s 4053 44.3%
A 0.323s 3166 34.6%
A 0.354s 2379 26.0%
A 0.384s 1712 18.7%
A 0.414s 1140 12.5%
A 0.444s 704 7.7%
A 0.475s 356 3.9%
A 0.505s 130 1.4%
A 0.535s 13 0.1%
A 0.565s -4 0.0%
B 0.020s 9147 99.9%
B 0.050s 9031 98.7%
B 0.081s 8761 95.7%
B 0.111s 8405 91.8%
B 0.142s 7943 86.8%
B 0.172s 7357 80.4%
B 0.202s 6662 72.8%
B 0.233s 5871 64.1%
B 0.263s 4958 54.2%
B 0.293s 4006 43.8%
B 0.324s 3141 34.3%
B 0.354s 2350 25.7%
B 0.384s 1680 18.4%
B 0.415s 1136 12.4%
B 0.445s 673 7.4%
B 0.475s 344 3.8%
B 0.506s 115 1.3%
B 0.536s 3 0.0%
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 0.536 seconds.
Shutter A closed to 0.0 percent in 0.565 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=1.21e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9888 IDLE
Thu Jun 25 16:58:42 -04 2026 [elapsed=298 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.3 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Jun 25 16:59 /atlas/obs/04a/61217/04a61217e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Jun 25 16:59:05 -04 2026 [elapsed=321 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (3 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Jun 25 16:59:05 -04 2026 [elapsed=321 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61216.87436946|info|galildriver|using focus model: foc=9830+(3.50)*22.8+(-0.35)*60.2=9888.7
61216.87437413|info|galildriver|o 3 IN | cass: 6098946 30.49 mm b=23 move=NO | arm: 406814 473.60 mm b=03 move=OK | foc: 53273201 9888 um b=0f [cmd]
bestfocus for o...OK
Thu Jun 25 16:59:06 -04 2026 [elapsed=322 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Jun 25 16:59:35 -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.
Thu Jun 25 16:59:36 -04 2026 [elapsed=352 sec] Happy observing!
Thu Jun 25 16:59:36 -04 2026 [elapsed=352 sec] Preflight took 351 seconds to complete.
Thu Jun 25 16:59:36 -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 0.020s 3 0.0% A 0.050s 115 1.3% A 0.081s 385 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.171s 1783 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4175 45.6% A 0.292s 5103 55.7% A 0.323s 5998 65.5% A 0.353s 6775 74.0% A 0.383s 7433 81.2% A 0.413s 8006 87.5% A 0.444s 8444 92.2% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.534s 9135 99.8% A 0.564s 9153 100.0% B 0.020s 0 0.0% B 0.050s 113 1.2% B 0.080s 367 4.0% B 0.111s 714 7.8% B 0.141s 1185 12.9% B 0.171s 1752 19.1% B 0.201s 2442 26.7% B 0.232s 3238 35.4% B 0.262s 4137 45.2% B 0.292s 5072 55.4% B 0.322s 5961 65.1% B 0.353s 6747 73.7% B 0.383s 7420 81.1% B 0.413s 7985 87.2% B 0.443s 8444 92.2% B 0.474s 8787 96.0% B 0.504s 9017 98.5% B 0.534s 9136 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9043 98.8% A 0.081s 8766 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.172s 7359 80.4% A 0.202s 6668 72.8% A 0.232s 5866 64.1% A 0.263s 4951 54.1% A 0.293s 4009 43.8% A 0.323s 3139 34.3% A 0.353s 2363 25.8% A 0.383s 1691 18.5% A 0.414s 1130 12.3% A 0.444s 682 7.5% A 0.474s 349 3.8% A 0.504s 120 1.3% A 0.535s 13 0.1% A 0.565s 1 0.0% B 0.020s 9142 99.9% B 0.050s 9014 98.5% B 0.081s 8762 95.7% B 0.111s 8410 91.9% B 0.141s 7936 86.7% B 0.171s 7379 80.6% B 0.201s 6690 73.1% B 0.231s 5894 64.4% B 0.262s 4982 54.4% B 0.292s 4055 44.3% B 0.322s 3162 34.5% B 0.353s 2394 26.2% B 0.383s 1704 18.6% B 0.413s 1146 12.5% B 0.443s 700 7.6% B 0.474s 355 3.9% B 0.504s 132 1.4% B 0.534s 13 0.1% B 0.565s 0 0.0% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R