CHL Preflight Night 61216
Executing preflight for 61216 at Wed Jun 24 16:53:23 -04 2026.
Log can be found in /atlas/obs/04/61216/preflight.dat.
Setting donefile '/atlas/obs/04/61216/preflight_complete.20260624205323.3523' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260624205323.3523.
Wed Jun 24 16:53:23 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Jun 24 16:53:23 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [7a1712e3-dc82-4319-931f-205ff2fb2dd8;1800]
Wed Jun 24 16:53:23 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Wed Jun 24 16:53:24 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Wed Jun 24 16:53:24 -04 2026 [elapsed=1 sec] auxcam is disabled.
Wed Jun 24 16:53:24 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Jun 24 16:53:24 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782334404
OK
Wed Jun 24 16:53:24 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Jun 24 16:53:25 -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
Wed Jun 24 16:53:26 -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
Wed Jun 24 16:53:27 -04 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Wed Jun 24 16:53:27 -04 2026 [elapsed=4 sec] CLOCKS
admin: Wed Jun 24 20:53:27 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 503 1024 377 0.351 -0.427 0.093
+10.0.11.4 .GPS. 1 u 109 1024 377 0.753 -0.196 0.574
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 770 1024 377 152.026 -1.250 3.287
-185.125.190.56 99.220.8.133 2 u 43 1024 377 214.005 -2.853 0.799
-185.125.190.58 99.220.8.133 2 u 362 1024 377 216.072 -3.436 1.539
-185.125.190.57 99.220.8.133 2 u 421 1024 377 216.030 -3.900 1.883
Wed Jun 24 16:53:28 -04 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (4461GB)
200GB available in /atlas/red...OK (8969GB)
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 647G 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
Wed Jun 24 16:53:28 -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
Wed Jun 24 16:53:28 -04 2026 [elapsed=5 sec] Disabling mount tracking.
Wed Jun 24 16:53:29 -04 2026 [elapsed=6 sec] SERVICES2
Wed Jun 24 16:53:29 -04 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Jun 24 16:53:33 -04 2026 [elapsed=10 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=1.57e+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
Wed Jun 24 16:56:22 -04 2026 [elapsed=179 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: 154.30 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Wed Jun 24 16:57:19 -04 2026 [elapsed=236 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Jun 24 16:57:41 -04 2026 [elapsed=258 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=39.0 IDLE
Wed Jun 24 16:57:41 -04 2026 [elapsed=258 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (6 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.2C)
Checking CCD plane: Z0=-195.00 DZDX=+457.00 DZDY=-417.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=10 IDLE
Wed Jun 24 16:57:41 -04 2026 [elapsed=258 sec] WEATHER
status weather: clear 19.6C 6% 7/13kph@281 DP37.1C/-60C/d IDLE
...OK
Wed Jun 24 16:57:42 -04 2026 [elapsed=259 sec] MET
status...OK
met: c=N o=Y Ro5d Co3d Wo5d Ho5d To5d Do3d IDLE
Wed Jun 24 16:57:42 -04 2026 [elapsed=259 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Jun 24 16:57:44 -04 2026 [elapsed=261 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 182.97 -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 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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.051s 110 1.2%
A 0.081s 387 4.2%
A 0.111s 729 8.0%
A 0.142s 1205 13.2%
A 0.172s 1776 19.4%
A 0.202s 2467 26.9%
A 0.233s 3262 35.6%
A 0.263s 4159 45.4%
A 0.294s 5113 55.9%
A 0.324s 6014 65.7%
A 0.354s 6802 74.3%
A 0.384s 7449 81.4%
A 0.415s 8024 87.7%
A 0.445s 8470 92.5%
A 0.475s 8804 96.2%
A 0.505s 9030 98.6%
A 0.536s 9140 99.8%
A 0.566s 9157 100.0%
B 0.020s 3 0.0%
B 0.050s 101 1.1%
B 0.081s 385 4.2%
B 0.111s 748 8.2%
B 0.141s 1210 13.2%
B 0.172s 1802 19.7%
B 0.202s 2495 27.3%
B 0.232s 3283 35.9%
B 0.263s 4202 45.9%
B 0.293s 5143 56.2%
B 0.328s 6161 67.3%
B 0.358s 6915 75.5%
B 0.389s 7549 82.5%
B 0.419s 8109 88.6%
B 0.449s 8529 93.2%
B 0.480s 8846 96.6%
B 0.510s 9069 99.1%
B 0.541s 9155 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.050s 9053 98.9%
A 0.081s 8770 95.8%
A 0.111s 8426 92.0%
A 0.141s 7959 86.9%
A 0.172s 7377 80.6%
A 0.202s 6691 73.1%
A 0.232s 5897 64.4%
A 0.263s 4979 54.4%
A 0.293s 4051 44.3%
A 0.323s 3166 34.6%
A 0.353s 2380 26.0%
A 0.384s 1716 18.7%
A 0.414s 1123 12.3%
A 0.444s 703 7.7%
A 0.475s 356 3.9%
A 0.505s 124 1.4%
A 0.535s 10 0.1%
A 0.566s -4 0.0%
B 0.020s 9147 99.9%
B 0.051s 9035 98.7%
B 0.081s 8763 95.7%
B 0.111s 8406 91.8%
B 0.141s 7944 86.8%
B 0.172s 7358 80.4%
B 0.202s 6664 72.8%
B 0.232s 5872 64.1%
B 0.263s 4960 54.2%
B 0.293s 3978 43.5%
B 0.323s 3116 34.0%
B 0.353s 2348 25.6%
B 0.384s 1697 18.5%
B 0.414s 1118 12.2%
B 0.445s 660 7.2%
B 0.475s 344 3.8%
B 0.505s 115 1.3%
B 0.535s 3 0.0%
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 0.566 seconds.
Shutter B opened to 100.0 percent in 0.541 seconds.
Shutter A closed to 0.0 percent in 0.566 seconds.
Shutter B closed to 0.0 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.1e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9883 IDLE
Wed Jun 24 16:58:18 -04 2026 [elapsed=295 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=39.0 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Jun 24 16:58 /atlas/obs/04a/61216/04a61216e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Jun 24 16:58:41 -04 2026 [elapsed=318 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (69 seconds old)
OTA humidity level...OK (4%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Jun 24 16:58:41 -04 2026 [elapsed=318 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61215.87409119|info|galildriver|using focus model: foc=9830+(3.50)*20.4+(-0.35)*60.2=9880.3
61215.87409620|info|galildriver|o 3 IN | cass: 6100554 30.50 mm b=23 move=NO | arm: 406814 473.60 mm b=03 move=OK | foc: 53274056 9884 um b=8f M [focus]
61215.87410635|info|galildriver|o 3 IN | cass: 6100560 30.50 mm b=23 move=NO | arm: 406814 473.60 mm b=03 move=OK | foc: 53274353 9882 um b=0f [cmd]
bestfocus for o...OK
Wed Jun 24 16:58:43 -04 2026 [elapsed=320 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Jun 24 16:59:12 -04 2026 [elapsed=349 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.
Wed Jun 24 16:59:13 -04 2026 [elapsed=350 sec] Happy observing!
Wed Jun 24 16:59:13 -04 2026 [elapsed=350 sec] Preflight took 350 seconds to complete.
Wed Jun 24 16:59:13 -04 2026 [elapsed=350 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 0.050s 108 1.2% A 0.081s 375 4.1% A 0.111s 722 7.9% A 0.141s 1181 12.9% A 0.172s 1761 19.2% A 0.202s 2441 26.7% A 0.232s 3238 35.4% A 0.262s 4144 45.3% A 0.293s 5075 55.4% A 0.323s 5969 65.2% A 0.353s 6753 73.8% A 0.383s 7413 81.0% A 0.414s 7988 87.3% A 0.444s 8445 92.3% A 0.474s 8784 96.0% A 0.504s 9022 98.6% A 0.535s 9136 99.8% A 0.565s 9153 100.0% B 0.020s 1 0.0% B 0.050s 103 1.1% B 0.081s 368 4.0% B 0.111s 713 7.8% B 0.141s 1186 13.0% B 0.171s 1752 19.1% B 0.201s 2440 26.7% B 0.232s 3240 35.4% B 0.262s 4105 44.8% B 0.292s 5072 55.4% B 0.322s 5934 64.8% B 0.352s 6724 73.5% B 0.383s 7400 80.8% B 0.413s 7969 87.1% B 0.443s 8430 92.1% B 0.473s 8778 95.9% B 0.504s 9011 98.4% B 0.534s 9135 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9051 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.172s 7381 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 2386 26.1% A 0.383s 1710 18.7% A 0.413s 1147 12.5% A 0.444s 694 7.6% A 0.474s 358 3.9% A 0.504s 126 1.4% A 0.534s 14 0.2% A 0.564s 1 0.0% B 0.020s 9145 99.9% B 0.050s 9018 98.5% B 0.080s 8771 95.8% B 0.111s 8433 92.1% B 0.141s 7953 86.9% B 0.171s 7399 80.8% B 0.201s 6714 73.3% B 0.232s 5921 64.7% B 0.262s 5011 54.7% B 0.292s 4082 44.6% B 0.322s 3190 34.8% B 0.353s 2419 26.4% B 0.383s 1723 18.8% B 0.413s 1162 12.7% B 0.443s 712 7.8% B 0.474s 364 4.0% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R