CHL Preflight Night 61232
Executing preflight for 61232 at Fri Jul 10 16:59:45 -04 2026.
Log can be found in /atlas/obs/04/61232/preflight.dat.
Setting donefile '/atlas/obs/04/61232/preflight_complete.20260710205945.31990' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260710205945.31990.
Fri Jul 10 16:59:45 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jul 10 16:59:45 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [fa205c2a-f2af-423f-beaa-47a056092f29;1800]
Fri Jul 10 16:59:45 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Jul 10 16:59:45 -04 2026 [elapsed=0 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Jul 10 16:59:46 -04 2026 [elapsed=1 sec] auxcam is disabled.
Fri Jul 10 16:59:46 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Jul 10 16:59:46 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1783717177
OK
Fri Jul 10 16:59:46 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Jul 10 16:59:46 -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 Jul 10 16:59:53 -04 2026 [elapsed=8 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 Jul 10 16:59:53 -04 2026 [elapsed=8 sec] QUEUE
0 observations queued.
Fri Jul 10 16:59:53 -04 2026 [elapsed=8 sec] CLOCKS
admin: Fri Jul 10 20:59:53 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 559 1024 377 0.335 1.242 0.247
+10.0.11.4 .GPS. 1 u 827 1024 377 0.609 1.385 0.210
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-alphyn.canonica 132.163.96.1 2 u 504 1024 377 149.269 -4.500 2.215
+185.125.190.56 99.220.8.133 2 u 376 1024 377 218.117 -3.587 1.608
-185.125.190.58 146.131.121.246 2 u 644 1024 377 224.261 -6.336 1.404
-185.125.190.57 99.220.8.133 2 u 890 1024 377 225.824 -8.364 0.881
Fri Jul 10 16:59:55 -04 2026 [elapsed=10 sec] DISKS
200GB available in /atlas/obs...OK (4532GB)
200GB available in /atlas/red...OK (8788GB)
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 5.3T 8.4T 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 544G 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
Fri Jul 10 16:59:56 -04 2026 [elapsed=11 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 Jul 10 16:59:56 -04 2026 [elapsed=11 sec] Disabling mount tracking.
Fri Jul 10 16:59:57 -04 2026 [elapsed=12 sec] SERVICES2
Fri Jul 10 16:59:57 -04 2026 [elapsed=12 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jul 10 17:00:01 -04 2026 [elapsed=16 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= 910kB time=00:00:29.12 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
Fri Jul 10 17:03:19 -04 2026 [elapsed=214 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: 171.81 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Fri Jul 10 17:04:16 -04 2026 [elapsed=271 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jul 10 17:04:37 -04 2026 [elapsed=292 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=692/0 spi=38.7 IDLE
Fri Jul 10 17:04:37 -04 2026 [elapsed=292 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 (-53.8C)
Checking CCD plane: Z0=-197.00 DZDX=+457.00 DZDY=-416.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=692 IDLE
Fri Jul 10 17:04:37 -04 2026 [elapsed=292 sec] WEATHER
status weather: C 21.1C 15% 9/13kph@265 DP26.9C/2C/d IDLE
...OK
Fri Jul 10 17:04:37 -04 2026 [elapsed=292 sec] MET
status...OK
met: c=N o=Y Ro4d Co19h Wo4d Ho4d To4d Do4d IDLE
Fri Jul 10 17:04:37 -04 2026 [elapsed=292 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jul 10 17:04:39 -04 2026 [elapsed=294 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 200.48 -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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 9 0.1%
A 0.051s 107 1.2%
A 0.081s 392 4.3%
A 0.111s 727 7.9%
A 0.142s 1202 13.1%
A 0.172s 1777 19.4%
A 0.202s 2467 26.9%
A 0.233s 3267 35.7%
A 0.263s 4157 45.4%
A 0.293s 5108 55.8%
A 0.324s 6012 65.7%
A 0.354s 6783 74.1%
A 0.384s 7433 81.2%
A 0.415s 8006 87.5%
A 0.445s 8456 92.4%
A 0.475s 8792 96.0%
A 0.506s 9035 98.7%
A 0.536s 9139 99.8%
A 0.566s 9156 100.0%
B 0.020s 2 0.0%
B 0.051s 100 1.1%
B 0.081s 388 4.2%
B 0.111s 748 8.2%
B 0.142s 1211 13.2%
B 0.172s 1824 19.9%
B 0.202s 2493 27.2%
B 0.232s 3283 35.9%
B 0.262s 4202 45.9%
B 0.293s 5144 56.2%
B 0.323s 6025 65.8%
B 0.353s 6804 74.3%
B 0.383s 7449 81.4%
B 0.414s 8028 87.7%
B 0.444s 8472 92.5%
B 0.474s 8800 96.1%
B 0.504s 9037 98.7%
B 0.535s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.050s 9052 98.9%
A 0.081s 8770 95.8%
A 0.111s 8426 92.0%
A 0.141s 7957 86.9%
A 0.172s 7381 80.6%
A 0.202s 6691 73.1%
A 0.233s 5867 64.1%
A 0.263s 4950 54.1%
A 0.293s 4025 44.0%
A 0.323s 3138 34.3%
A 0.354s 2356 25.7%
A 0.384s 1692 18.5%
A 0.414s 1140 12.5%
A 0.444s 703 7.7%
A 0.475s 356 3.9%
A 0.505s 128 1.4%
A 0.535s 12 0.1%
A 0.566s -4 0.0%
B 0.020s 9146 99.9%
B 0.050s 9031 98.7%
B 0.081s 8760 95.7%
B 0.111s 8404 91.8%
B 0.142s 7942 86.8%
B 0.172s 7356 80.4%
B 0.202s 6638 72.5%
B 0.233s 5870 64.1%
B 0.263s 4926 53.8%
B 0.293s 3976 43.4%
B 0.324s 3114 34.0%
B 0.354s 2325 25.4%
B 0.384s 1680 18.4%
B 0.414s 1117 12.2%
B 0.445s 660 7.2%
B 0.475s 344 3.8%
B 0.505s 114 1.2%
B 0.536s 3 0.0%
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 0.0 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.03e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9885 IDLE
Fri Jul 10 17:05:16 -04 2026 [elapsed=331 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=692/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Jul 10 17:05 /atlas/obs/04a/61232/04a61232e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jul 10 17:05:39 -04 2026 [elapsed=354 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (37 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jul 10 17:05:39 -04 2026 [elapsed=354 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61231.87892789|info|galildriver|using focus model: foc=9830+(3.50)*21.9+(-0.35)*60.2=9885.6
61231.87893256|info|galildriver|o 3 IN | cass: 6098997 30.49 mm b=23 move=NO | arm: 406814 473.60 mm b=03 move=OK | foc: 53273838 9885 um b=0f [cmd]
bestfocus for o...OK
Fri Jul 10 17:05:40 -04 2026 [elapsed=355 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jul 10 17:06:08 -04 2026 [elapsed=383 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 Jul 10 17:06:09 -04 2026 [elapsed=384 sec] Happy observing!
Fri Jul 10 17:06:09 -04 2026 [elapsed=384 sec] Preflight took 384 seconds to complete.
Fri Jul 10 17:06:09 -04 2026 [elapsed=384 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 0.021s 3 0.0% A 0.051s 116 1.3% A 0.081s 385 4.2% A 0.111s 736 8.0% A 0.142s 1198 13.1% A 0.172s 1762 19.2% A 0.202s 2466 26.9% A 0.232s 3238 35.4% A 0.263s 4144 45.3% A 0.293s 5074 55.4% A 0.323s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7413 81.0% A 0.413s 7987 87.3% A 0.444s 8444 92.2% A 0.474s 8783 95.9% A 0.504s 9021 98.5% A 0.534s 9136 99.8% A 0.565s 9153 100.0% B 0.020s 2 0.0% B 0.050s 120 1.3% B 0.081s 390 4.3% B 0.111s 741 8.1% B 0.141s 1202 13.1% B 0.171s 1772 19.4% B 0.201s 2467 26.9% B 0.232s 3270 35.7% B 0.262s 4168 45.5% B 0.292s 5102 55.7% B 0.322s 5987 65.4% B 0.353s 6772 74.0% B 0.383s 7440 81.3% B 0.413s 8002 87.4% B 0.443s 8456 92.4% B 0.474s 8794 96.1% B 0.504s 9022 98.6% B 0.534s 9137 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9050 98.9% A 0.081s 8776 95.9% A 0.111s 8420 92.0% A 0.141s 7958 86.9% A 0.172s 7380 80.6% A 0.202s 6691 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.293s 4039 44.1% A 0.323s 3165 34.6% A 0.353s 2387 26.1% A 0.383s 1711 18.7% A 0.414s 1147 12.5% A 0.444s 695 7.6% A 0.474s 358 3.9% A 0.504s 126 1.4% A 0.535s 14 0.2% A 0.565s 2 0.0% B 0.020s 9145 99.9% B 0.051s 9020 98.5% B 0.081s 8773 95.8% B 0.111s 8424 92.0% B 0.142s 7955 86.9% B 0.172s 7381 80.6% B 0.202s 6691 73.1% B 0.232s 5893 64.4% B 0.263s 4982 54.4% B 0.293s 4056 44.3% B 0.323s 3166 34.6% B 0.353s 2392 26.1% B 0.384s 1703 18.6% B 0.414s 1149 12.6% B 0.444s 701 7.7% B 0.474s 357 3.9% B 0.505s 133 1.5% B 0.535s 16 0.2% B 0.565s 2 0.0% A 0 0.0mm 15 N F R | B 2 0.1mm 15 N F R