CHL Preflight Night 61352
Executing preflight for 61352 at Sat Nov 7 19:13:15 -03 2026.
Log can be found in /atlas/obs/04/61352/preflight.dat.
Setting donefile '/atlas/obs/04/61352/preflight_complete.20261107221315.6217' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261107221315.6217.
Sat Nov 7 19:13:15 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Nov 7 19:13:15 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [ca69d58e-233c-4e78-8d56-dc1226cd2d0a;1800]
Sat Nov 7 19:13:15 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sat Nov 7 19:13:16 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sat Nov 7 19:13:16 -03 2026 [elapsed=1 sec] auxcam is disabled.
Sat Nov 7 19:13:16 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Nov 7 19:13:16 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1794089592
OK
Sat Nov 7 19:13:16 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Nov 7 19:13:16 -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
Sat Nov 7 19:13:17 -03 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
Sat Nov 7 19:13:18 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Nov 7 19:13:18 -03 2026 [elapsed=3 sec] CLOCKS
admin: Sat Nov 7 22:13:18 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 344 1024 377 0.306 -0.258 0.396
*10.0.11.4 .GPS. 1 u 623 1024 377 0.532 -0.182 0.337
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 381 1024 377 228.364 -10.499 1.764
-185.125.190.56 29.88.99.4 2 u 518 1024 377 221.469 -7.668 0.802
-185.125.190.57 29.88.99.4 2 u 480 1024 377 221.181 -8.052 2.723
+alphyn.canonica 132.163.96.1 2 u 446 1024 377 148.358 -5.629 1.742
Sat Nov 7 19:13:20 -03 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6486GB)
200GB available in /atlas/red...OK (10741GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 4.1T 6.2T 40% /
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 3.5T 11T 25% /
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 634G 13T 5% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc3:/dev/md0p1 15T 904G 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 698G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Sat Nov 7 19:13:20 -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
Sat Nov 7 19:13:20 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Sat Nov 7 19:13:20 -03 2026 [elapsed=5 sec] Closing dome.
Sat Nov 7 19:13:38 -03 2026 [elapsed=23 sec] SERVICES2
Sat Nov 7 19:13:38 -03 2026 [elapsed=23 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Nov 7 19:13:42 -03 2026 [elapsed=27 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=1.59e+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
Sat Nov 7 19:17:01 -03 2026 [elapsed=226 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: 308.56 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Sat Nov 7 19:17:58 -03 2026 [elapsed=283 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Nov 7 19:18:20 -03 2026 [elapsed=305 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=799/0 spi=38.7 IDLE
Sat Nov 7 19:18:20 -03 2026 [elapsed=305 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 (-53.5C)
Checking CCD plane: Z0=-199.00 DZDX=+452.00 DZDY=-414.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=799 IDLE
Sat Nov 7 19:18:20 -03 2026 [elapsed=305 sec] WEATHER
status weather: clear 30.5C 16% 8/11kph@303 DP27.6C/-70C/d IDLE
...OK
Sat Nov 7 19:18:21 -03 2026 [elapsed=306 sec] MET
status...OK
met: c=N o=Y Ro5d Co3d Wo5d Ho5d To5d Do5d IDLE
Sat Nov 7 19:18:21 -03 2026 [elapsed=306 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Nov 7 19:18:21 -03 2026 [elapsed=306 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 337.23 -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 -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 109 1.2%
A 0.081s 372 4.1%
A 0.111s 722 7.9%
A 0.142s 1209 13.2%
A 0.172s 1812 19.8%
A 0.202s 2464 26.9%
A 0.232s 3241 35.4%
A 0.263s 4177 45.6%
A 0.293s 5150 56.3%
A 0.323s 5971 65.2%
A 0.353s 6791 74.2%
A 0.384s 7427 81.1%
A 0.414s 8003 87.4%
A 0.444s 8467 92.5%
A 0.474s 8797 96.1%
A 0.505s 9030 98.6%
A 0.535s 9138 99.8%
A 0.565s 9156 100.0%
B 0.020s 2 0.0%
B 0.050s 98 1.1%
B 0.081s 386 4.2%
B 0.111s 746 8.1%
B 0.141s 1208 13.2%
B 0.172s 1803 19.7%
B 0.202s 2497 27.3%
B 0.232s 3284 35.9%
B 0.263s 4199 45.9%
B 0.293s 5146 56.2%
B 0.323s 6026 65.8%
B 0.354s 6800 74.3%
B 0.384s 7454 81.4%
B 0.414s 8027 87.7%
B 0.445s 8472 92.5%
B 0.475s 8801 96.1%
B 0.505s 9036 98.7%
B 0.536s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9048 98.8%
A 0.081s 8765 95.8%
A 0.111s 8427 92.1%
A 0.141s 7951 86.9%
A 0.172s 7347 80.3%
A 0.202s 6662 72.8%
A 0.232s 5861 64.0%
A 0.262s 4948 54.1%
A 0.293s 4023 43.9%
A 0.323s 3143 34.3%
A 0.353s 2369 25.9%
A 0.384s 1678 18.3%
A 0.414s 1124 12.3%
A 0.444s 688 7.5%
A 0.474s 350 3.8%
A 0.505s 131 1.4%
A 0.535s 5 0.1%
B 0.020s 9147 99.9%
B 0.051s 9032 98.7%
B 0.081s 8763 95.7%
B 0.111s 8405 91.8%
B 0.141s 7942 86.8%
B 0.172s 7357 80.4%
B 0.202s 6664 72.8%
B 0.233s 5872 64.1%
B 0.263s 4956 54.1%
B 0.293s 4007 43.8%
B 0.324s 3140 34.3%
B 0.354s 2351 25.7%
B 0.384s 1681 18.4%
B 0.414s 1136 12.4%
B 0.445s 662 7.2%
B 0.475s 342 3.7%
B 0.505s 120 1.3%
B 0.536s 7 0.1%
A 0 0.0mm 15 N F R | B -1 -0.0mm 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 0.536 seconds.
Shutter A closed to 0.1 percent in 0.535 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=1.15e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9897 IDLE
Sat Nov 7 19:18:58 -03 2026 [elapsed=343 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=799/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
156M Nov 7 19:19 /atlas/obs/04a/61352/04a61352e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Nov 7 19:19:20 -03 2026 [elapsed=365 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (41 seconds old)
OTA humidity level...OK (8%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Nov 7 19:19:20 -03 2026 [elapsed=365 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61351.93010264|info|galildriver|using focus model: foc=9830+(3.50)*25.3+(-0.35)*60.3=9897.5
61351.93010732|info|galildriver|c 4 IN | cass: 9135727 45.68 mm b=23 move=NO | arm: 407013 473.83 mm b=03 move=OK | foc: 53271340 9897 um b=0f [cmd]
bestfocus for c...OK
Sat Nov 7 19:19:22 -03 2026 [elapsed=367 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Nov 7 19:19:50 -03 2026 [elapsed=395 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.
Sat Nov 7 19:19:51 -03 2026 [elapsed=396 sec] Happy observing!
Sat Nov 7 19:19:51 -03 2026 [elapsed=396 sec] Preflight took 396 seconds to complete.
Sat Nov 7 19:19:51 -03 2026 [elapsed=396 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 115 1.3% A 0.081s 384 4.2% A 0.111s 736 8.0% A 0.141s 1198 13.1% A 0.172s 1782 19.5% A 0.202s 2466 26.9% A 0.232s 3267 35.7% A 0.262s 4173 45.6% A 0.293s 5104 55.8% A 0.323s 5997 65.5% A 0.353s 6775 74.0% A 0.384s 7433 81.2% A 0.414s 8004 87.4% A 0.444s 8459 92.4% A 0.474s 8793 96.1% A 0.504s 9026 98.6% A 0.535s 9139 99.8% A 0.565s 9154 100.0% B 0.020s 2 0.0% B 0.050s 113 1.2% B 0.081s 379 4.1% B 0.111s 727 7.9% B 0.141s 1202 13.1% B 0.171s 1773 19.4% B 0.202s 2466 26.9% B 0.232s 3269 35.7% B 0.262s 4169 45.5% B 0.292s 5102 55.7% B 0.323s 5987 65.4% B 0.353s 6771 74.0% B 0.383s 7441 81.3% B 0.413s 8003 87.4% B 0.444s 8455 92.4% B 0.474s 8795 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 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 0.172s 7381 80.6% A 0.202s 6691 73.1% A 0.232s 5895 64.4% A 0.262s 4982 54.4% A 0.293s 4037 44.1% A 0.323s 3167 34.6% A 0.353s 2387 26.1% A 0.384s 1712 18.7% A 0.414s 1146 12.5% A 0.444s 692 7.6% A 0.475s 359 3.9% A 0.505s 124 1.4% A 0.535s 13 0.1% A 0.565s 2 0.0% B 0.020s 9143 99.9% B 0.050s 9017 98.5% B 0.080s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7953 86.9% B 0.171s 7378 80.6% B 0.201s 6688 73.1% B 0.232s 5891 64.4% B 0.262s 4979 54.4% B 0.292s 4054 44.3% B 0.322s 3162 34.5% B 0.352s 2393 26.1% B 0.383s 1723 18.8% B 0.413s 1162 12.7% B 0.443s 712 7.8% B 0.473s 364 4.0% B 0.504s 138 1.5% B 0.534s 15 0.2% B 0.564s 1 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R