CHL Preflight Night 61214
Executing preflight for 61214 at Mon Jun 22 16:52:52 -04 2026.
Log can be found in /atlas/obs/04/61214/preflight.dat.
Setting donefile '/atlas/obs/04/61214/preflight_complete.20260622205252.3523' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260622205252.3523.
Mon Jun 22 16:52:52 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Jun 22 16:52:52 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [8e87a533-f88a-49a1-ae00-0d53ef99d33b;1800]
Mon Jun 22 16:52:53 -04 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Mon Jun 22 16:52:54 -04 2026 [elapsed=2 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Mon Jun 22 16:52:54 -04 2026 [elapsed=2 sec] auxcam is disabled.
Mon Jun 22 16:52:54 -04 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Mon Jun 22 16:52:54 -04 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1782161565
OK
Mon Jun 22 16:52:54 -04 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Mon Jun 22 16:52:54 -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
Mon Jun 22 16:52:55 -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
Mon Jun 22 16:52:56 -04 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Mon Jun 22 16:52:56 -04 2026 [elapsed=4 sec] CLOCKS
admin: Mon Jun 22 20:52:56 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 714 1024 377 0.312 -0.325 0.355
+10.0.11.4 .GPS. 1 u 762 1024 377 0.506 -0.220 0.387
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 625 1024 377 145.094 -4.609 0.763
-185.125.190.56 99.220.8.133 2 u 210 1024 377 222.447 -7.080 1.345
-185.125.190.58 99.220.8.133 2 u 473 1024 377 228.612 -9.882 1.488
-185.125.190.57 99.220.8.133 2 u 418 1024 377 224.766 -8.805 1.178
Mon Jun 22 16:52:57 -04 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (4513GB)
200GB available in /atlas/red...OK (8985GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 5.9T 4.4T 58% /
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 657G 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
Mon Jun 22 16:52:57 -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
Mon Jun 22 16:52:57 -04 2026 [elapsed=5 sec] Disabling mount tracking.
Mon Jun 22 16:52:58 -04 2026 [elapsed=6 sec] SERVICES2
Mon Jun 22 16:52:58 -04 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Jun 22 16:53:02 -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= 912kB time=00:00:29.18 bitrate= 256.0kbits/s speed=1.53e+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/OPEN (0%) IDLE
Mon Jun 22 16:56:00 -04 2026 [elapsed=188 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: 152.24 -27.58, az/alt=324.67 +86.49 idle(e) IDLE
Mon Jun 22 16:56:57 -04 2026 [elapsed=245 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Jun 22 16:57:19 -04 2026 [elapsed=267 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=1096/0 spi=38.8 IDLE
Mon Jun 22 16:57:19 -04 2026 [elapsed=267 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 (-55.0C)
Checking CCD plane: Z0=-191.00 DZDX=+458.00 DZDY=-414.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=1096 IDLE
Mon Jun 22 16:57:19 -04 2026 [elapsed=267 sec] WEATHER
status weather: clear 13.8C 9% 14/16kph@229 DP33.0C/8C/d IDLE
...OK
Mon Jun 22 16:57:20 -04 2026 [elapsed=268 sec] MET
status...OK
met: c=N o=Y Ro3d Co1d Wo3d Ho3d To3d Do1d IDLE
Mon Jun 22 16:57:20 -04 2026 [elapsed=268 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Jun 22 16:57:20 -04 2026 [elapsed=268 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 180.90 -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 105 1.1%
A 0.081s 373 4.1%
A 0.111s 715 7.8%
A 0.141s 1184 12.9%
A 0.172s 1752 19.1%
A 0.202s 2468 27.0%
A 0.232s 3240 35.4%
A 0.263s 4130 45.1%
A 0.293s 5078 55.5%
A 0.323s 5956 65.1%
A 0.353s 6782 74.1%
A 0.384s 7415 81.0%
A 0.414s 7993 87.3%
A 0.444s 8445 92.3%
A 0.475s 8795 96.1%
A 0.505s 9029 98.6%
A 0.535s 9141 99.9%
A 0.566s 9157 100.0%
B 0.020s 2 0.0%
B 0.050s 88 1.0%
B 0.081s 383 4.2%
B 0.111s 747 8.2%
B 0.141s 1208 13.2%
B 0.172s 1799 19.7%
B 0.202s 2493 27.2%
B 0.232s 3282 35.9%
B 0.263s 4200 45.9%
B 0.293s 5142 56.2%
B 0.323s 6022 65.8%
B 0.353s 6801 74.3%
B 0.384s 7450 81.4%
B 0.414s 8027 87.7%
B 0.444s 8471 92.5%
B 0.474s 8803 96.2%
B 0.505s 9032 98.7%
B 0.535s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.051s 9055 98.9%
A 0.081s 8773 95.8%
A 0.111s 8428 92.1%
A 0.142s 7963 87.0%
A 0.172s 7355 80.3%
A 0.203s 6689 73.1%
A 0.233s 5869 64.1%
A 0.263s 4950 54.1%
A 0.294s 4025 44.0%
A 0.324s 3138 34.3%
A 0.354s 2354 25.7%
A 0.385s 1692 18.5%
A 0.415s 1123 12.3%
A 0.445s 690 7.5%
A 0.476s 347 3.8%
A 0.506s 123 1.3%
A 0.536s 9 0.1%
B 0.020s 9146 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 7359 80.4%
B 0.202s 6664 72.8%
B 0.232s 5872 64.1%
B 0.263s 4959 54.2%
B 0.293s 4007 43.8%
B 0.323s 3141 34.3%
B 0.354s 2351 25.7%
B 0.384s 1697 18.5%
B 0.414s 1133 12.4%
B 0.445s 673 7.4%
B 0.475s 350 3.8%
B 0.505s 121 1.3%
B 0.535s 4 0.0%
A 0 0.0mm 15 N F R | B -4 -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 0.1 percent in 0.536 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=1.21e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9866 IDLE
Mon Jun 22 16:57:57 -04 2026 [elapsed=305 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=1096/0 spi=38.8 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Jun 22 16:58 /atlas/obs/04a/61214/04a61214e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Jun 22 16:58:19 -04 2026 [elapsed=327 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (47 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Jun 22 16:58:19 -04 2026 [elapsed=327 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61213.87384573|info|galildriver|using focus model: foc=9830+(3.50)*15.5+(-0.35)*60.3=9863.2
61213.87385076|info|galildriver|o 3 IN | cass: 6104034 30.52 mm b=23 move=NO | arm: 406814 473.60 mm b=03 move=OK | foc: 53277603 9866 um b=8f M [focus]
61213.87386092|info|galildriver|o 3 IN | cass: 6104036 30.52 mm b=23 move=NO | arm: 406814 473.60 mm b=03 move=OK | foc: 53277869 9865 um b=0f [cmd]
bestfocus for o...OK
Mon Jun 22 16:58:21 -04 2026 [elapsed=329 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Jun 22 16:58:50 -04 2026 [elapsed=358 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.
Mon Jun 22 16:58:52 -04 2026 [elapsed=360 sec] Happy observing!
Mon Jun 22 16:58:52 -04 2026 [elapsed=360 sec] Preflight took 360 seconds to complete.
Mon Jun 22 16:58:52 -04 2026 [elapsed=360 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 107 1.2% A 0.081s 375 4.1% A 0.111s 724 7.9% A 0.141s 1180 12.9% A 0.172s 1762 19.2% A 0.202s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4144 45.3% A 0.293s 5074 55.4% A 0.323s 5971 65.2% A 0.353s 6752 73.8% A 0.383s 7414 81.0% A 0.413s 7990 87.3% A 0.444s 8443 92.2% A 0.474s 8783 95.9% A 0.504s 9022 98.6% A 0.534s 9133 99.8% A 0.564s 9153 100.0% B 0.020s 2 0.0% B 0.050s 120 1.3% B 0.081s 389 4.2% B 0.111s 741 8.1% B 0.141s 1202 13.1% B 0.171s 1774 19.4% B 0.201s 2466 26.9% B 0.232s 3270 35.7% B 0.262s 4167 45.5% B 0.292s 5102 55.7% B 0.322s 5989 65.4% B 0.353s 6772 74.0% B 0.383s 7440 81.3% B 0.413s 8001 87.4% B 0.443s 8456 92.4% B 0.474s 8794 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9049 98.9% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7957 86.9% A 0.171s 7380 80.6% A 0.201s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4982 54.4% A 0.292s 4068 44.4% A 0.322s 3193 34.9% A 0.353s 2409 26.3% A 0.383s 1730 18.9% A 0.413s 1165 12.7% A 0.443s 706 7.7% A 0.474s 367 4.0% A 0.504s 131 1.4% A 0.534s 15 0.2% A 0.564s 1 0.0% B 0.020s 9145 99.9% B 0.050s 9026 98.6% B 0.081s 8781 95.9% B 0.111s 8436 92.2% B 0.141s 7970 87.1% B 0.171s 7400 80.8% B 0.202s 6715 73.4% B 0.232s 5922 64.7% B 0.262s 5010 54.7% B 0.292s 4084 44.6% B 0.323s 3193 34.9% B 0.353s 2417 26.4% B 0.383s 1723 18.8% B 0.414s 1161 12.7% B 0.444s 712 7.8% B 0.474s 365 4.0% B 0.504s 137 1.5% B 0.534s 17 0.2% B 0.565s 1 0.0% A 0 0.0mm 15 N F R | B 1 0.0mm 15 N F R