CHL Preflight Night 61197
Executing preflight for 61197 at Fri Jun 5 16:51:41 -04 2026.
Log can be found in /atlas/obs/04/61197/preflight.dat.
Setting donefile '/atlas/obs/04/61197/preflight_complete.20260605205141.19784' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260605205141.19784.
Fri Jun 5 16:51:41 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jun 5 16:51:41 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [2a680872-2010-494a-b4db-7f511ee2bc23;1800]
Fri Jun 5 16:51:41 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Jun 5 16:51:42 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Jun 5 16:51:42 -04 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jun 5 16:51:42 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jun 5 16:51:42 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1780692699
OK
Fri Jun 5 16:51:42 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jun 5 16:51:42 -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
Fri Jun 5 16:51:45 -04 2026 [elapsed=4 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
Fri Jun 5 16:51:46 -04 2026 [elapsed=5 sec] QUEUE
0 observations queued.
Fri Jun 5 16:51:46 -04 2026 [elapsed=5 sec] CLOCKS
admin: Fri Jun 5 20:51:46 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 159 1024 377 0.322 0.276 0.370
+10.0.11.4 .GPS. 1 u 876 1024 377 0.585 0.327 0.301
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.56 29.88.99.4 2 u 963 1024 377 211.784 -7.334 1.278
-185.125.190.58 146.131.121.246 2 u 169 1024 377 217.377 -8.687 1.266
+alphyn.canonica 132.163.96.1 2 u 836 1024 377 155.251 -2.313 1.513
-185.125.190.57 99.220.8.133 2 u 1016 1024 377 216.838 -10.082 0.803
Fri Jun 5 16:51:47 -04 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (3671GB)
200GB available in /atlas/red...OK (7665GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 6.8T 3.6T 66% /
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 20G 35G 37% /
archon:/dev/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/sda2 974M 321M 586M 36% /boot
archon:/dev/sda1 511M 4.4M 507M 1% /boot/efi
proc1:/dev/md0p1 15T 6.4T 7.4T 47% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc2:/dev/md0p1 15T 579G 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 906G 13T 7% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17284
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
Fri Jun 5 16:51:47 -04 2026 [elapsed=6 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
Fri Jun 5 16:51:47 -04 2026 [elapsed=6 sec] Disabling mount tracking.
Fri Jun 5 16:51:47 -04 2026 [elapsed=6 sec] SERVICES2
Fri Jun 5 16:51:47 -04 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jun 5 16:51:51 -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=1.6e+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
Fri Jun 5 16:55:35 -04 2026 [elapsed=234 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: 135.40 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Fri Jun 5 16:56:41 -04 2026 [elapsed=300 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jun 5 16:57:06 -04 2026 [elapsed=325 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=834/0 spi=39.2 IDLE
Fri Jun 5 16:57:06 -04 2026 [elapsed=325 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (7 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.2C)
Checking CCD plane: Z0=-194.00 DZDX=+462.00 DZDY=-415.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=834 IDLE
Fri Jun 5 16:57:06 -04 2026 [elapsed=325 sec] WEATHER
status weather: C+ 18.7C 21% 3/5kph@356 DP24.2C/54C/d IDLE
...OK
Fri Jun 5 16:57:06 -04 2026 [elapsed=325 sec] MET
status...OK
met: c=Y o=N Ro2d Cx3h Wo2d Ho2d To2d Do2d wait C IDLE
Fri Jun 5 16:57:06 -04 2026 [elapsed=325 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jun 5 16:57:07 -04 2026 [elapsed=326 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 164.08 -12.93, az/alt=59.87 +60.08 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 -2 -0.1mm 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 5 0.1%
A 0.051s 109 1.2%
A 0.081s 379 4.1%
A 0.111s 716 7.8%
A 0.141s 1185 12.9%
A 0.172s 1753 19.2%
A 0.202s 2464 26.9%
A 0.233s 3264 35.7%
A 0.263s 4162 45.5%
A 0.293s 5110 55.8%
A 0.324s 5982 65.3%
A 0.354s 6779 74.1%
A 0.384s 7433 81.2%
A 0.415s 8011 87.5%
A 0.445s 8458 92.4%
A 0.475s 8795 96.1%
A 0.506s 9030 98.6%
A 0.536s 9141 99.9%
A 0.566s 9158 100.0%
B 0.020s 3 0.0%
B 0.050s 94 1.0%
B 0.081s 384 4.2%
B 0.111s 749 8.2%
B 0.141s 1208 13.2%
B 0.172s 1802 19.7%
B 0.202s 2492 27.2%
B 0.232s 3281 35.8%
B 0.263s 4202 45.9%
B 0.293s 5144 56.2%
B 0.323s 6023 65.8%
B 0.353s 6803 74.3%
B 0.384s 7450 81.4%
B 0.414s 8025 87.7%
B 0.444s 8471 92.5%
B 0.475s 8802 96.2%
B 0.505s 9037 98.7%
B 0.535s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.050s 9047 98.8%
A 0.081s 8762 95.7%
A 0.111s 8413 91.9%
A 0.141s 7940 86.7%
A 0.171s 7358 80.4%
A 0.202s 6666 72.8%
A 0.232s 5869 64.1%
A 0.262s 4953 54.1%
A 0.293s 4023 43.9%
A 0.323s 3136 34.3%
A 0.354s 2356 25.7%
A 0.384s 1695 18.5%
A 0.414s 1125 12.3%
A 0.444s 690 7.5%
A 0.475s 347 3.8%
A 0.505s 122 1.3%
A 0.535s 9 0.1%
B 0.020s 9147 99.9%
B 0.050s 9038 98.7%
B 0.081s 8761 95.7%
B 0.111s 8419 92.0%
B 0.141s 7960 87.0%
B 0.171s 7378 80.6%
B 0.202s 6686 73.0%
B 0.232s 5897 64.4%
B 0.262s 4989 54.5%
B 0.293s 4007 43.8%
B 0.323s 3143 34.3%
B 0.353s 2350 25.7%
B 0.383s 1696 18.5%
B 0.414s 1134 12.4%
B 0.444s 673 7.4%
B 0.474s 360 3.9%
B 0.504s 127 1.4%
B 0.535s 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 0.535 seconds.
Shutter B closed to 0.1 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 230kB time=00:00:07.36 bitrate= 256.1kbits/s speed=1.17e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9872 IDLE
Fri Jun 5 16:57:41 -04 2026 [elapsed=360 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=834/0 spi=39.2 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Jun 5 16:57 /atlas/obs/04a/61197/04a61197e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jun 5 16:58:04 -04 2026 [elapsed=383 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (7 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jun 5 16:58:04 -04 2026 [elapsed=383 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61196.87366242|info|galildriver|using focus model: foc=9830+(3.50)*18.3+(-0.35)*60.2=9873.0
61196.87366709|info|galildriver|o 3 IN | cass: 6103117 30.52 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53276396 9872 um b=0f [cmd]
bestfocus for o...OK
Fri Jun 5 16:58:05 -04 2026 [elapsed=384 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jun 5 16:58:39 -04 2026 [elapsed=418 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.
Fri Jun 5 16:58:40 -04 2026 [elapsed=419 sec] Happy observing!
Fri Jun 5 16:58:40 -04 2026 [elapsed=419 sec] Preflight took 419 seconds to complete.
Fri Jun 5 16:58:40 -04 2026 [elapsed=419 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 4 0.0% A 0.050s 115 1.3% A 0.081s 384 4.2% A 0.111s 736 8.0% A 0.141s 1196 13.1% A 0.171s 1781 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.292s 5104 55.8% A 0.322s 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7413 81.0% A 0.413s 7990 87.3% A 0.443s 8445 92.3% A 0.474s 8793 96.1% A 0.504s 9022 98.6% A 0.534s 9136 99.8% A 0.564s 9153 100.0% B 0.020s 1 0.0% B 0.050s 113 1.2% B 0.081s 369 4.0% B 0.111s 715 7.8% B 0.141s 1185 12.9% B 0.171s 1754 19.2% B 0.201s 2444 26.7% B 0.232s 3240 35.4% B 0.262s 4136 45.2% B 0.292s 5074 55.4% B 0.322s 5961 65.1% B 0.352s 6749 73.7% B 0.383s 7419 81.0% B 0.413s 7985 87.2% B 0.443s 8442 92.2% B 0.473s 8777 95.9% B 0.503s 9013 98.5% B 0.534s 9134 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9048 98.8% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 7381 80.6% A 0.202s 6692 73.1% A 0.232s 5896 64.4% A 0.262s 4981 54.4% A 0.293s 4039 44.1% A 0.323s 3166 34.6% A 0.353s 2387 26.1% A 0.383s 1709 18.7% A 0.414s 1146 12.5% A 0.444s 693 7.6% A 0.474s 357 3.9% A 0.504s 125 1.4% A 0.534s 14 0.2% A 0.565s 2 0.0% B 0.020s 9142 99.9% B 0.050s 9018 98.5% B 0.081s 8769 95.8% B 0.111s 8421 92.0% B 0.141s 7951 86.9% B 0.171s 7378 80.6% B 0.201s 6689 73.1% B 0.232s 5892 64.4% B 0.262s 4979 54.4% B 0.292s 4051 44.3% B 0.322s 3163 34.6% B 0.353s 2394 26.2% B 0.383s 1702 18.6% 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 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R