CHL Preflight Night 61222
Executing preflight for 61222 at Tue Jun 30 16:55:21 -04 2026.
Log can be found in /atlas/obs/04/61222/preflight.dat.
Setting donefile '/atlas/obs/04/61222/preflight_complete.20260630205521.26494' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260630205521.26494.
Tue Jun 30 16:55:21 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Jun 30 16:55:21 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [fdd25c48-61ac-4133-8a3d-9bf9a4ba8352;1800]
Tue Jun 30 16:55:21 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Tue Jun 30 16:55:22 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Tue Jun 30 16:55:22 -04 2026 [elapsed=1 sec] auxcam is disabled.
Tue Jun 30 16:55:22 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Jun 30 16:55:22 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782852914
OK
Tue Jun 30 16:55:22 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Jun 30 16:55:22 -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 30 16:55:24 -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
Tue Jun 30 16:55:24 -04 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Tue Jun 30 16:55:24 -04 2026 [elapsed=3 sec] CLOCKS
admin: Tue Jun 30 20:55:24 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 1034 1024 377 0.333 0.060 0.103
+10.0.11.4 .GPS. 1 u 453 1024 377 0.678 0.342 0.145
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 742 1024 357 150.180 -5.831 2.341
-185.125.190.56 99.220.8.133 2 u 275 1024 377 224.795 -7.768 0.269
-185.125.190.58 146.131.121.246 2 u 690 1024 377 223.703 -6.249 1.267
-185.125.190.57 99.220.8.133 2 u 311 1024 377 221.670 -7.535 0.801
Tue Jun 30 16:55:25 -04 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (4348GB)
200GB available in /atlas/red...OK (8721GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 6.1T 4.2T 60% /
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 5.4T 8.4T 40% /
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
Tue Jun 30 16:55:26 -04 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
Tue Jun 30 16:55:26 -04 2026 [elapsed=5 sec] Disabling mount tracking.
Tue Jun 30 16:55:26 -04 2026 [elapsed=5 sec] Closing dome.
Tue Jun 30 16:56:17 -04 2026 [elapsed=56 sec] SERVICES2
Tue Jun 30 16:56:17 -04 2026 [elapsed=56 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Jun 30 16:56:21 -04 2026 [elapsed=60 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=1.56e+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 30 16:59:41 -04 2026 [elapsed=260 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: 161.05 -27.58, az/alt=324.64 +86.48 idle(e) IDLE
Tue Jun 30 17:00:39 -04 2026 [elapsed=318 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Jun 30 17:01:01 -04 2026 [elapsed=340 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=1083/0 spi=46.4 IDLE
Tue Jun 30 17:01:01 -04 2026 [elapsed=340 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (8 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=-415.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=1083 IDLE
Tue Jun 30 17:01:01 -04 2026 [elapsed=340 sec] WEATHER
status weather: clear 18.0C 22% 3/6kph@329 DP22.4C/6C/d IDLE
...OK
Tue Jun 30 17:01:02 -04 2026 [elapsed=341 sec] MET
status...OK
met: c=N o=Y Ro11d Co9d Wo11d Ho11d To11d Do9d IDLE
Tue Jun 30 17:01:02 -04 2026 [elapsed=341 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Jun 30 17:01:02 -04 2026 [elapsed=341 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 189.72 -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 8 0.1%
A 0.051s 116 1.3%
A 0.081s 388 4.2%
A 0.111s 728 8.0%
A 0.142s 1202 13.1%
A 0.172s 1792 19.6%
A 0.202s 2489 27.2%
A 0.232s 3290 35.9%
A 0.263s 4164 45.5%
A 0.293s 5140 56.2%
A 0.323s 6010 65.7%
A 0.354s 6801 74.3%
A 0.384s 7453 81.4%
A 0.414s 8011 87.5%
A 0.444s 8470 92.5%
A 0.475s 8803 96.2%
A 0.505s 9029 98.6%
A 0.535s 9143 99.9%
A 0.565s 9157 100.0%
B 0.020s 2 0.0%
B 0.050s 99 1.1%
B 0.081s 385 4.2%
B 0.111s 750 8.2%
B 0.141s 1209 13.2%
B 0.172s 1801 19.7%
B 0.202s 2495 27.3%
B 0.233s 3283 35.9%
B 0.263s 4200 45.9%
B 0.293s 5144 56.2%
B 0.323s 6023 65.8%
B 0.354s 6825 74.6%
B 0.384s 7471 81.6%
B 0.415s 8044 87.9%
B 0.445s 8484 92.7%
B 0.475s 8811 96.3%
B 0.505s 9042 98.8%
B 0.536s 9150 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.050s 9044 98.8%
A 0.081s 8769 95.8%
A 0.111s 8415 91.9%
A 0.141s 7948 86.8%
A 0.171s 7346 80.2%
A 0.202s 6666 72.8%
A 0.232s 5868 64.1%
A 0.262s 4950 54.1%
A 0.293s 4024 44.0%
A 0.323s 3133 34.2%
A 0.353s 2360 25.8%
A 0.384s 1692 18.5%
A 0.414s 1123 12.3%
A 0.444s 691 7.5%
A 0.474s 346 3.8%
A 0.505s 125 1.4%
A 0.535s 8 0.1%
B 0.020s 9149 99.9%
B 0.051s 9039 98.7%
B 0.081s 8771 95.8%
B 0.111s 8419 92.0%
B 0.141s 7960 87.0%
B 0.172s 7378 80.6%
B 0.202s 6663 72.8%
B 0.233s 5871 64.1%
B 0.263s 4958 54.2%
B 0.293s 4007 43.8%
B 0.324s 3141 34.3%
B 0.354s 2349 25.7%
B 0.384s 1699 18.6%
B 0.414s 1135 12.4%
B 0.445s 672 7.3%
B 0.475s 352 3.8%
B 0.505s 121 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 0.565 seconds.
Shutter B opened to 100.0 percent in 0.536 seconds.
Shutter A closed to 0.1 percent in 0.535 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=1.08e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9869 IDLE
Tue Jun 30 17:01:38 -04 2026 [elapsed=377 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=1083/0 spi=46.4 IDLE
taking preflight exposures:
acam...OK
acam image:
158M Jun 30 17:01 /atlas/obs/04a/61222/04a61222e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Jun 30 17:02:01 -04 2026 [elapsed=400 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (89 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Jun 30 17:02:01 -04 2026 [elapsed=400 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61221.87640448|info|galildriver|using focus model: foc=9830+(3.50)*17.4+(-0.35)*60.2=9869.8
61221.87640916|info|galildriver|o 3 IN | cass: 6101356 30.51 mm b=23 move=NO | arm: 406814 473.60 mm b=03 move=OK | foc: 53277003 9869 um b=0f [cmd]
bestfocus for o...OK
Tue Jun 30 17:02:01 -04 2026 [elapsed=400 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Jun 30 17:02:30 -04 2026 [elapsed=429 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 30 17:02:31 -04 2026 [elapsed=430 sec] Happy observing!
Tue Jun 30 17:02:31 -04 2026 [elapsed=430 sec] Preflight took 430 seconds to complete.
Tue Jun 30 17:02:31 -04 2026 [elapsed=430 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 2 0.0% A 0.051s 107 1.2% A 0.081s 386 4.2% A 0.112s 736 8.0% A 0.142s 1197 13.1% A 0.173s 1783 19.5% A 0.203s 2489 27.2% A 0.234s 3295 36.0% A 0.264s 4205 45.9% A 0.295s 5134 56.1% A 0.326s 6053 66.1% A 0.356s 6819 74.5% A 0.386s 7474 81.6% A 0.417s 8038 87.8% A 0.447s 8481 92.6% A 0.477s 8813 96.3% A 0.508s 9037 98.7% A 0.538s 9141 99.9% A 0.568s 9154 100.0% B 0.020s 1 0.0% B 0.051s 103 1.1% B 0.081s 380 4.2% B 0.112s 727 7.9% B 0.142s 1202 13.1% B 0.173s 1772 19.4% B 0.203s 2466 26.9% B 0.233s 3270 35.7% B 0.264s 4168 45.5% B 0.294s 5132 56.1% B 0.325s 6016 65.7% B 0.355s 6794 74.2% B 0.386s 7461 81.5% B 0.416s 8033 87.8% B 0.447s 8481 92.6% B 0.477s 8814 96.3% B 0.508s 9038 98.7% B 0.539s 9144 99.9% B 0.569s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.051s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8408 91.9% A 0.142s 7942 86.8% A 0.172s 7360 80.4% A 0.203s 6669 72.9% A 0.233s 5867 64.1% A 0.264s 4950 54.1% A 0.294s 3979 43.5% A 0.325s 3113 34.0% A 0.355s 2339 25.6% A 0.385s 1671 18.3% A 0.416s 1114 12.2% A 0.446s 668 7.3% A 0.477s 331 3.6% A 0.507s 110 1.2% A 0.538s 9 0.1% B 0.020s 9143 99.9% B 0.051s 9010 98.4% B 0.081s 8763 95.7% B 0.111s 8407 91.8% B 0.142s 7937 86.7% B 0.172s 7358 80.4% B 0.203s 6643 72.6% B 0.233s 5835 63.7% B 0.263s 4918 53.7% B 0.294s 3995 43.6% B 0.324s 3111 34.0% B 0.354s 2348 25.6% B 0.385s 1662 18.2% B 0.415s 1115 12.2% B 0.446s 675 7.4% B 0.476s 329 3.6% B 0.507s 117 1.3% B 0.538s 8 0.1% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R