CHL Preflight Night 61298
Executing preflight for 61298 at Mon Sep 14 18:37:05 -03 2026.
Log can be found in /atlas/obs/04/61298/preflight.dat.
Setting donefile '/atlas/obs/04/61298/preflight_complete.20260914213705.7375' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260914213705.7375.
Mon Sep 14 18:37:05 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Sep 14 18:37:05 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [2f1100b7-ddb5-428c-8a02-998955c5b067;1800]
Mon Sep 14 18:37:05 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Mon Sep 14 18:37:06 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Mon Sep 14 18:37:06 -03 2026 [elapsed=1 sec] auxcam is disabled.
Mon Sep 14 18:37:06 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Sep 14 18:37:06 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1789421818
OK
Mon Sep 14 18:37:06 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Sep 14 18:37:06 -03 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
Mon Sep 14 18:37:08 -03 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 Sep 14 18:37:08 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Sep 14 18:37:08 -03 2026 [elapsed=3 sec] CLOCKS
admin: Mon Sep 14 21:37:08 UTC 2026
metbox: 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 159 256 377 0.230 -0.024 0.043
+10.0.11.4 .GPS. 1 u 190 256 377 0.398 0.127 0.029
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 102 256 377 160.183 0.137 1.836
-185.125.190.57 29.88.99.4 2 u 506 512 377 223.949 -9.425 1.635
-185.125.190.56 29.88.99.4 2 u 432 512 377 222.998 -8.286 3.297
-185.125.190.58 29.88.99.4 2 u 305 512 377 231.963 -12.432 1.776
Mon Sep 14 18:37:10 -03 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (9748GB)
200GB available in /atlas/red...OK (12906GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 928G 9.3T 9% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
admin:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/mapper/ubuntu--vg-ubuntu--lv 58G 18G 38G 32% /
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 1.4T 13T 10% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc2:/dev/md0p1 15T 452G 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/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
Mon Sep 14 18:37:10 -03 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 Sep 14 18:37:10 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Mon Sep 14 18:37:10 -03 2026 [elapsed=5 sec] Closing dome.
Mon Sep 14 18:38:02 -03 2026 [elapsed=57 sec] SERVICES2
Mon Sep 14 18:38:02 -03 2026 [elapsed=57 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Sep 14 18:38:06 -03 2026 [elapsed=61 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=1.6e+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
Mon Sep 14 18:41:21 -03 2026 [elapsed=256 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: 246.40 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Mon Sep 14 18:42:18 -03 2026 [elapsed=313 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Sep 14 18:42:40 -03 2026 [elapsed=335 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.7 IDLE
Mon Sep 14 18:42:40 -03 2026 [elapsed=335 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (1 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-54.0C)
Checking CCD plane: Z0=-196.00 DZDX=+461.00 DZDY=-415.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=10 IDLE
Mon Sep 14 18:42:40 -03 2026 [elapsed=335 sec] WEATHER
status weather: clear 26.3C 13% 6/11kph@253 DP30.5C/25C/d IDLE
...OK
Mon Sep 14 18:42:41 -03 2026 [elapsed=336 sec] MET
status...OK
met: c=N o=Y Ro3d Co3d Wo7d Ho7d To7d Do7d IDLE
Mon Sep 14 18:42:41 -03 2026 [elapsed=336 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Sep 14 18:42:41 -03 2026 [elapsed=336 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 275.07 -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 -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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 6 0.1%
A 0.051s 103 1.1%
A 0.081s 372 4.1%
A 0.111s 722 7.9%
A 0.141s 1214 13.3%
A 0.172s 1793 19.6%
A 0.202s 2462 26.9%
A 0.232s 3237 35.4%
A 0.263s 4206 45.9%
A 0.293s 5156 56.3%
A 0.323s 6003 65.6%
A 0.354s 6810 74.4%
A 0.384s 7443 81.3%
A 0.414s 8020 87.6%
A 0.444s 8483 92.7%
A 0.475s 8805 96.2%
A 0.505s 9037 98.7%
A 0.535s 9140 99.8%
A 0.565s 9156 100.0%
B 0.020s 3 0.0%
B 0.051s 99 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 2497 27.3%
B 0.232s 3282 35.9%
B 0.263s 4200 45.9%
B 0.293s 5146 56.2%
B 0.323s 6024 65.8%
B 0.354s 6804 74.3%
B 0.384s 7453 81.4%
B 0.414s 8044 87.9%
B 0.444s 8471 92.5%
B 0.475s 8801 96.1%
B 0.505s 9037 98.7%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9048 98.8%
A 0.081s 8762 95.7%
A 0.111s 8422 92.0%
A 0.142s 7951 86.9%
A 0.172s 7344 80.2%
A 0.202s 6668 72.8%
A 0.233s 5865 64.1%
A 0.263s 4947 54.0%
A 0.293s 4023 43.9%
A 0.324s 3137 34.3%
A 0.354s 2367 25.9%
A 0.384s 1686 18.4%
A 0.414s 1122 12.3%
A 0.445s 690 7.5%
A 0.475s 346 3.8%
A 0.505s 129 1.4%
A 0.536s 8 0.1%
B 0.020s 9147 99.9%
B 0.051s 9033 98.7%
B 0.081s 8762 95.7%
B 0.111s 8405 91.8%
B 0.142s 7942 86.8%
B 0.172s 7356 80.4%
B 0.202s 6664 72.8%
B 0.233s 5873 64.2%
B 0.263s 4958 54.2%
B 0.293s 4005 43.8%
B 0.323s 3142 34.3%
B 0.354s 2349 25.7%
B 0.384s 1699 18.6%
B 0.414s 1121 12.2%
B 0.445s 661 7.2%
B 0.475s 342 3.7%
B 0.505s 122 1.3%
B 0.535s 5 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 0.565 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 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.19e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9887 IDLE
Mon Sep 14 18:43:16 -03 2026 [elapsed=371 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Sep 14 18:43 /atlas/obs/04a/61298/04a61298e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Sep 14 18:43:39 -03 2026 [elapsed=394 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (61 seconds old)
OTA humidity level...OK (8%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Sep 14 18:43:39 -03 2026 [elapsed=394 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61297.90531728|info|galildriver|using focus model: foc=9830+(3.50)*21.6+(-0.35)*60.2=9884.5
61297.90532230|info|galildriver|c 4 IN | cass: 9138241 45.69 mm b=23 move=NO | arm: 406816 473.60 mm b=03 move=OK | foc: 53273337 9888 um b=8f M [focus]
61297.90533245|info|galildriver|c 4 IN | cass: 9138240 45.69 mm b=23 move=NO | arm: 406816 473.60 mm b=03 move=OK | foc: 53273657 9886 um b=0f [cmd]
bestfocus for c...OK
Mon Sep 14 18:43:41 -03 2026 [elapsed=396 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Sep 14 18:44:10 -03 2026 [elapsed=425 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 Sep 14 18:44:12 -03 2026 [elapsed=427 sec] Happy observing!
Mon Sep 14 18:44:12 -03 2026 [elapsed=427 sec] Preflight took 427 seconds to complete.
Mon Sep 14 18:44:12 -03 2026 [elapsed=427 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 112 1.2% A 0.081s 385 4.2% A 0.112s 736 8.0% A 0.142s 1196 13.1% A 0.173s 1804 19.7% A 0.203s 2489 27.2% A 0.234s 3295 36.0% A 0.264s 4235 46.3% A 0.295s 5162 56.4% A 0.326s 6053 66.1% A 0.356s 6842 74.7% A 0.387s 7493 81.9% A 0.417s 8053 88.0% A 0.448s 8509 93.0% A 0.478s 8830 96.5% A 0.509s 9048 98.8% A 0.539s 9145 99.9% B 0.020s 1 0.0% B 0.051s 112 1.2% B 0.081s 379 4.1% B 0.112s 740 8.1% B 0.142s 1219 13.3% B 0.173s 1792 19.6% B 0.203s 2516 27.5% B 0.234s 3324 36.3% B 0.264s 4229 46.2% B 0.295s 5161 56.4% B 0.325s 6040 66.0% B 0.356s 6843 74.8% B 0.386s 7501 81.9% B 0.417s 8050 87.9% B 0.447s 8493 92.8% B 0.477s 8822 96.4% B 0.508s 9040 98.8% B 0.538s 9145 99.9% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.051s 9056 98.9% A 0.081s 8778 95.9% A 0.112s 8421 92.0% A 0.142s 7958 86.9% A 0.173s 7380 80.6% A 0.203s 6692 73.1% A 0.234s 5868 64.1% A 0.264s 4950 54.1% A 0.295s 4009 43.8% A 0.325s 3140 34.3% A 0.356s 2340 25.6% A 0.386s 1671 18.3% A 0.416s 1113 12.2% A 0.447s 668 7.3% A 0.477s 339 3.7% A 0.508s 109 1.2% A 0.539s 8 0.1% B 0.020s 9144 99.9% B 0.051s 9015 98.5% B 0.081s 8765 95.8% B 0.112s 8410 91.9% B 0.142s 7923 86.6% B 0.173s 7340 80.2% B 0.204s 6644 72.6% B 0.234s 5809 63.5% B 0.265s 4891 53.4% B 0.295s 3969 43.4% B 0.326s 3087 33.7% B 0.357s 2301 25.1% B 0.387s 1622 17.7% B 0.418s 1083 11.8% B 0.448s 650 7.1% B 0.479s 313 3.4% B 0.509s 106 1.2% B 0.540s 5 0.1% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R