CHL Preflight Night 61206
Executing preflight for 61206 at Sun Jun 14 16:51:30 -04 2026.
Log can be found in /atlas/obs/04/61206/preflight.dat.
Setting donefile '/atlas/obs/04/61206/preflight_complete.20260614205130.27356' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260614205130.27356.
Sun Jun 14 16:51:30 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Jun 14 16:51:30 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [7b2642f8-13c8-460e-ae95-c1385fc52516;1800]
Sun Jun 14 16:51:30 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sun Jun 14 16:51:31 -04 2026 [elapsed=0 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sun Jun 14 16:51:31 -04 2026 [elapsed=1 sec] auxcam is disabled.
Sun Jun 14 16:51:31 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Jun 14 16:51:31 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1781470287
OK
Sun Jun 14 16:51:31 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Jun 14 16:51:31 -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 14 16:51:32 -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
Sun Jun 14 16:51:33 -04 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Jun 14 16:51:33 -04 2026 [elapsed=3 sec] CLOCKS
admin: Sun Jun 14 20:51:33 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 595 1024 377 0.357 -0.005 0.204
*10.0.11.4 .GPS. 1 u 915 1024 377 0.554 0.005 0.092
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 738 1024 377 145.044 -4.015 1.125
-185.125.190.56 99.220.8.133 2 u 848 1024 377 217.049 -4.760 1.693
-185.125.190.58 146.131.121.246 2 u 573 1024 377 222.410 -6.291 0.863
-185.125.190.57 99.220.8.133 2 u 559 1024 377 223.431 -7.858 1.106
Sun Jun 14 16:51:34 -04 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (4030GB)
200GB available in /atlas/red...OK (8252GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 6.4T 3.9T 63% /
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 5.8T 7.9T 43% /
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 576G 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
Sun Jun 14 16:51:34 -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 14 16:51:34 -04 2026 [elapsed=4 sec] Disabling mount tracking.
Sun Jun 14 16:51:34 -04 2026 [elapsed=4 sec] SERVICES2
Sun Jun 14 16:51:34 -04 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Jun 14 16:51:39 -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=1.58e+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=-325.00 CLOSED/CLOSED (0%) IDLE
Sun Jun 14 16:59:04 -04 2026 [elapsed=454 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: 145.12 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Sun Jun 14 17:00:00 -04 2026 [elapsed=510 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Jun 14 17:00:22 -04 2026 [elapsed=532 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=895/0 spi=38.9 IDLE
Sun Jun 14 17:00:22 -04 2026 [elapsed=532 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (3 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.0C)
Checking CCD plane: Z0=-195.00 DZDX=+465.00 DZDY=-411.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=895 IDLE
Sun Jun 14 17:00:22 -04 2026 [elapsed=532 sec] WEATHER
status weather: C 21.0C 14% 4/5kph@264 DP27.8C/-58C/d IDLE
...OK
Sun Jun 14 17:00:22 -04 2026 [elapsed=532 sec] MET
status...OK
met: c=N o=N Ro22h Cx0 Wo22h Ho22h To22h Do22h wait C IDLE
Sun Jun 14 17:00:22 -04 2026 [elapsed=532 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Jun 14 17:00:24 -04 2026 [elapsed=534 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 173.78 -12.93, az/alt=59.89 +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 -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 126 1.4%
A 0.081s 398 4.3%
A 0.111s 741 8.1%
A 0.142s 1217 13.3%
A 0.172s 1793 19.6%
A 0.202s 2493 27.2%
A 0.232s 3293 36.0%
A 0.263s 4191 45.8%
A 0.293s 5135 56.1%
A 0.324s 6013 65.7%
A 0.354s 6806 74.4%
A 0.384s 7474 81.6%
A 0.414s 8025 87.7%
A 0.445s 8468 92.5%
A 0.475s 8802 96.2%
A 0.505s 9039 98.7%
A 0.536s 9141 99.9%
A 0.566s 9156 100.0%
B 0.020s 2 0.0%
B 0.051s 90 1.0%
B 0.081s 377 4.1%
B 0.111s 736 8.0%
B 0.141s 1192 13.0%
B 0.172s 1781 19.5%
B 0.202s 2469 27.0%
B 0.232s 3256 35.6%
B 0.263s 4171 45.6%
B 0.293s 5111 55.8%
B 0.323s 5997 65.5%
B 0.353s 6781 74.1%
B 0.384s 7431 81.2%
B 0.414s 8010 87.5%
B 0.444s 8459 92.4%
B 0.475s 8792 96.0%
B 0.505s 9032 98.7%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9153 100.0%
A 0.050s 9058 99.0%
A 0.081s 8779 95.9%
A 0.111s 8439 92.2%
A 0.141s 7974 87.1%
A 0.171s 7398 80.8%
A 0.202s 6713 73.3%
A 0.232s 5919 64.7%
A 0.262s 5013 54.8%
A 0.293s 4053 44.3%
A 0.323s 3166 34.6%
A 0.353s 2379 26.0%
A 0.384s 1711 18.7%
A 0.414s 1139 12.4%
A 0.444s 702 7.7%
A 0.475s 356 3.9%
A 0.505s 130 1.4%
A 0.535s 10 0.1%
A 0.566s -5 0.0%
B 0.020s 9148 99.9%
B 0.050s 9039 98.7%
B 0.081s 8771 95.8%
B 0.111s 8418 92.0%
B 0.141s 7961 87.0%
B 0.172s 7378 80.6%
B 0.202s 6662 72.8%
B 0.232s 5871 64.1%
B 0.263s 4960 54.2%
B 0.293s 4006 43.8%
B 0.323s 3142 34.3%
B 0.354s 2351 25.7%
B 0.384s 1697 18.5%
B 0.414s 1134 12.4%
B 0.444s 674 7.4%
B 0.474s 351 3.8%
B 0.505s 128 1.4%
B 0.535s 6 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 0.566 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.0 percent in 0.566 seconds.
Shutter B closed to 0.1 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.16e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9881 IDLE
Sun Jun 14 17:00:59 -04 2026 [elapsed=569 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=895/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
153M Jun 14 17:01 /atlas/obs/04a/61206/04a61206e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Jun 14 17:01:21 -04 2026 [elapsed=591 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (50 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Jun 14 17:01:22 -04 2026 [elapsed=592 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61205.87595294|info|galildriver|using focus model: foc=9830+(3.50)*20.0+(-0.35)*60.2=9878.9
61205.87595796|info|galildriver|o 3 IN | cass: 6102929 30.51 mm b=23 move=NO | arm: 409747 477.01 mm b=03 move=OK | foc: 53274521 9882 um b=8f M [focus]
61205.87596810|info|galildriver|o 3 IN | cass: 6102932 30.51 mm b=23 move=NO | arm: 409747 477.01 mm b=03 move=OK | foc: 53274821 9880 um b=0f [cmd]
bestfocus for o...OK
Sun Jun 14 17:01:24 -04 2026 [elapsed=594 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Jun 14 17:01:53 -04 2026 [elapsed=623 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 14 17:01:54 -04 2026 [elapsed=624 sec] Happy observing!
Sun Jun 14 17:01:54 -04 2026 [elapsed=624 sec] Preflight took 624 seconds to complete.
Sun Jun 14 17:01:54 -04 2026 [elapsed=624 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 0.051s 113 1.2% A 0.081s 386 4.2% A 0.111s 736 8.0% A 0.141s 1214 13.3% A 0.172s 1804 19.7% A 0.202s 2465 26.9% A 0.232s 3266 35.7% A 0.262s 4175 45.6% A 0.293s 5104 55.8% A 0.323s 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7434 81.2% A 0.413s 8006 87.5% A 0.444s 8457 92.4% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.534s 9138 99.8% A 0.564s 9154 100.0% B 0.020s 1 0.0% B 0.050s 114 1.2% B 0.081s 379 4.1% B 0.111s 728 8.0% B 0.141s 1202 13.1% B 0.172s 1774 19.4% B 0.202s 2465 26.9% B 0.232s 3268 35.7% B 0.262s 4169 45.5% B 0.293s 5103 55.7% B 0.323s 5988 65.4% B 0.353s 6769 73.9% B 0.384s 7441 81.3% B 0.414s 8002 87.4% B 0.444s 8456 92.4% B 0.474s 8795 96.1% B 0.505s 9022 98.6% B 0.535s 9138 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9049 98.9% A 0.081s 8778 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 5895 64.4% A 0.262s 4981 54.4% A 0.293s 4038 44.1% A 0.323s 3166 34.6% A 0.353s 2387 26.1% A 0.383s 1710 18.7% A 0.414s 1147 12.5% A 0.444s 694 7.6% A 0.474s 358 3.9% A 0.504s 126 1.4% A 0.534s 15 0.2% A 0.565s 2 0.0% B 0.020s 9144 99.9% B 0.050s 9019 98.5% B 0.081s 8770 95.8% B 0.111s 8422 92.0% B 0.141s 7953 86.9% B 0.171s 7378 80.6% B 0.202s 6688 73.1% B 0.232s 5892 64.4% B 0.262s 4981 54.4% B 0.292s 4055 44.3% B 0.323s 3162 34.5% B 0.353s 2393 26.1% B 0.383s 1704 18.6% B 0.413s 1147 12.5% B 0.443s 700 7.6% B 0.474s 366 4.0% B 0.504s 138 1.5% B 0.534s 17 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R