CHL Preflight Night 61210
Executing preflight for 61210 at Thu Jun 18 16:52:05 -04 2026.
Log can be found in /atlas/obs/04/61210/preflight.dat.
Setting donefile '/atlas/obs/04/61210/preflight_complete.20260618205205.7520' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260618205205.7520.
Thu Jun 18 16:52:05 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Jun 18 16:52:05 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [74ffd7df-d29b-47af-bdf7-b2bcbb216766;1800]
Thu Jun 18 16:52:05 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Thu Jun 18 16:52:06 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Thu Jun 18 16:52:06 -04 2026 [elapsed=1 sec] auxcam is disabled.
Thu Jun 18 16:52:06 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Jun 18 16:52:06 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1781815925
OK
Thu Jun 18 16:52:06 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Jun 18 16:52:06 -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
Thu Jun 18 16:52:07 -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
Thu Jun 18 16:52:08 -04 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Jun 18 16:52:08 -04 2026 [elapsed=3 sec] CLOCKS
admin: Thu Jun 18 20:52:08 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 464 1024 377 0.350 0.114 0.127
+10.0.11.4 .GPS. 1 u 616 1024 377 0.583 0.294 0.155
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-alphyn.canonica 132.163.96.1 2 u 608 1024 357 148.447 -4.973 2.343
+185.125.190.56 99.220.8.133 2 u 455 1024 377 217.137 -3.222 2.214
-185.125.190.58 146.131.121.246 2 u 29 1024 377 216.887 -3.469 1.139
-185.125.190.57 99.220.8.133 2 u 700 1024 377 216.721 -4.005 1.423
Thu Jun 18 16:52:09 -04 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (4364GB)
200GB available in /atlas/red...OK (8820GB)
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 5.3T 8.5T 39% /
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 450G 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
Thu Jun 18 16:52:09 -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
Thu Jun 18 16:52:09 -04 2026 [elapsed=4 sec] Disabling mount tracking.
Thu Jun 18 16:52:09 -04 2026 [elapsed=4 sec] SERVICES2
Thu Jun 18 16:52:10 -04 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Jun 18 16:52:14 -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= 914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.55e+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 18 16:55:31 -04 2026 [elapsed=206 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: 148.17 -27.58, az/alt=324.64 +86.48 idle(e) IDLE
Thu Jun 18 16:56:29 -04 2026 [elapsed=264 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Jun 18 16:56:51 -04 2026 [elapsed=286 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
Thu Jun 18 16:56:51 -04 2026 [elapsed=286 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (9 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-55.1C)
Checking CCD plane: Z0=-190.00 DZDX=+461.00 DZDY=-416.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Jun 18 16:56:51 -04 2026 [elapsed=286 sec] WEATHER
status weather: C 14.5C 49% 9/10kph@298 DP9.6C/-29C/d IDLE
...OK
Thu Jun 18 16:56:52 -04 2026 [elapsed=287 sec] MET
status...OK
met: c=N o=N Rs1 Cx0 Wo4d Ho4d To4d Do16h wait RC IDLE
Thu Jun 18 16:56:52 -04 2026 [elapsed=287 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Jun 18 16:56:52 -04 2026 [elapsed=287 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 176.84 -12.93, az/alt=59.88 +60.07 tracking(w) IDLE 0s
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 6 0.1%
A 0.051s 113 1.2%
A 0.081s 388 4.2%
A 0.111s 727 7.9%
A 0.142s 1201 13.1%
A 0.172s 1793 19.6%
A 0.202s 2466 26.9%
A 0.233s 3293 36.0%
A 0.263s 4191 45.8%
A 0.293s 5136 56.1%
A 0.324s 6011 65.7%
A 0.354s 6806 74.4%
A 0.384s 7456 81.5%
A 0.414s 8026 87.7%
A 0.445s 8468 92.5%
A 0.475s 8804 96.2%
A 0.505s 9034 98.7%
A 0.536s 9144 99.9%
A 0.566s 9159 100.0%
B 0.020s 0 0.0%
B 0.050s 88 1.0%
B 0.081s 372 4.1%
B 0.111s 722 7.9%
B 0.141s 1192 13.0%
B 0.172s 1758 19.2%
B 0.202s 2445 26.7%
B 0.232s 3229 35.3%
B 0.263s 4168 45.5%
B 0.293s 5113 55.9%
B 0.323s 5995 65.5%
B 0.354s 6780 74.1%
B 0.384s 7432 81.2%
B 0.414s 8010 87.5%
B 0.444s 8459 92.4%
B 0.475s 8794 96.1%
B 0.505s 9033 98.7%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9153 100.0%
A 0.050s 9066 99.0%
A 0.081s 8783 95.9%
A 0.111s 8442 92.2%
A 0.141s 7976 87.1%
A 0.172s 7379 80.6%
A 0.202s 6692 73.1%
A 0.233s 5896 64.4%
A 0.263s 4985 54.5%
A 0.293s 4054 44.3%
A 0.324s 3167 34.6%
A 0.354s 2375 25.9%
A 0.385s 1713 18.7%
A 0.415s 1123 12.3%
A 0.445s 688 7.5%
A 0.475s 358 3.9%
A 0.506s 123 1.3%
A 0.536s 9 0.1%
B 0.020s 9149 99.9%
B 0.051s 9042 98.8%
B 0.081s 8773 95.8%
B 0.111s 8419 92.0%
B 0.141s 7961 87.0%
B 0.172s 7378 80.6%
B 0.202s 6688 73.1%
B 0.233s 5871 64.1%
B 0.263s 4990 54.5%
B 0.293s 4036 44.1%
B 0.323s 3141 34.3%
B 0.354s 2349 25.7%
B 0.384s 1697 18.5%
B 0.415s 1134 12.4%
B 0.445s 675 7.4%
B 0.475s 350 3.8%
B 0.506s 121 1.3%
B 0.536s 6 0.1%
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 99.9 percent in 0.535 seconds.
Shutter A closed to 0.1 percent in 0.536 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= 993x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9865 IDLE
Thu Jun 18 16:57:28 -04 2026 [elapsed=323 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.0 IDLE
taking preflight exposures:
acam...OK
acam image:
158M Jun 18 16:57 /atlas/obs/04a/61210/04a61210e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Jun 18 16:57:50 -04 2026 [elapsed=345 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (18 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Jun 18 16:57:50 -04 2026 [elapsed=345 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61209.87350742|info|galildriver|using focus model: foc=9830+(3.50)*14.5+(-0.35)*60.2=9859.7
61209.87351244|info|galildriver|o 3 IN | cass: 6104783 30.52 mm b=23 move=NO | arm: 409747 477.01 mm b=03 move=OK | foc: 53277787 9865 um b=8f M [focus]
61209.87352259|info|galildriver|o 3 IN | cass: 6104779 30.52 mm b=23 move=NO | arm: 409747 477.01 mm b=03 move=OK | foc: 53278090 9864 um b=0f [cmd]
bestfocus for o...OK
Thu Jun 18 16:57:53 -04 2026 [elapsed=348 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Jun 18 16:58:22 -04 2026 [elapsed=377 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 18 16:58:23 -04 2026 [elapsed=378 sec] Happy observing!
Thu Jun 18 16:58:23 -04 2026 [elapsed=378 sec] Preflight took 378 seconds to complete.
Thu Jun 18 16:58:23 -04 2026 [elapsed=378 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 114 1.2% A 0.081s 386 4.2% A 0.111s 736 8.0% A 0.141s 1196 13.1% A 0.172s 1783 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.293s 5104 55.8% A 0.323s 5998 65.5% A 0.353s 6775 74.0% A 0.384s 7433 81.2% A 0.414s 8007 87.5% A 0.444s 8456 92.4% A 0.474s 8792 96.0% A 0.504s 9028 98.6% A 0.535s 9136 99.8% A 0.565s 9152 100.0% B 0.020s 2 0.0% B 0.051s 120 1.3% B 0.081s 390 4.3% B 0.111s 742 8.1% B 0.141s 1219 13.3% B 0.172s 1794 19.6% B 0.202s 2489 27.2% B 0.232s 3268 35.7% B 0.262s 4168 45.5% B 0.292s 5102 55.7% B 0.323s 5987 65.4% B 0.353s 6771 74.0% B 0.383s 7440 81.3% B 0.413s 8003 87.4% B 0.444s 8456 92.4% B 0.474s 8795 96.1% B 0.504s 9023 98.6% B 0.534s 9138 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9049 98.9% A 0.081s 8777 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 4982 54.4% A 0.292s 4039 44.1% A 0.323s 3166 34.6% A 0.353s 2385 26.1% A 0.383s 1711 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 0.535s 14 0.2% A 0.565s 1 0.0% B 0.020s 9142 99.9% B 0.050s 9018 98.5% B 0.081s 8771 95.8% B 0.111s 8422 92.0% B 0.141s 7951 86.9% B 0.171s 7378 80.6% B 0.202s 6688 73.1% B 0.232s 5890 64.3% B 0.262s 4981 54.4% B 0.292s 4053 44.3% B 0.322s 3162 34.5% B 0.353s 2414 26.4% B 0.383s 1724 18.8% B 0.413s 1163 12.7% B 0.443s 713 7.8% B 0.473s 365 4.0% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.564s 0 0.0% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R