CHL Preflight Night 61310
Executing preflight for 61310 at Sat Sep 26 18:43:56 -03 2026.
Log can be found in /atlas/obs/04/61310/preflight.dat.
Setting donefile '/atlas/obs/04/61310/preflight_complete.20260926214356.22901' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260926214356.22901.
Sat Sep 26 18:43:56 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Sep 26 18:43:56 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [ad112bb1-56d0-4509-a7aa-52a3a467ae70;1800]
Sat Sep 26 18:43:56 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sat Sep 26 18:43:57 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sat Sep 26 18:43:57 -03 2026 [elapsed=1 sec] auxcam is disabled.
Sat Sep 26 18:43:57 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Sep 26 18:43:57 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1790459035
OK
Sat Sep 26 18:43:57 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Sep 26 18:43:57 -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 Sep 26 18:43:59 -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
Sat Sep 26 18:43:59 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Sep 26 18:43:59 -03 2026 [elapsed=3 sec] CLOCKS
admin: Sat Sep 26 21:43:59 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 259 1024 377 0.332 0.364 0.172
+10.0.11.4 .GPS. 1 u 55 1024 377 0.479 0.251 0.383
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 1033 1024 377 150.876 -4.679 1.866
-185.125.190.57 29.88.99.4 2 u 435 1024 377 221.899 -7.557 0.938
-185.125.190.56 145.238.80.80 2 u 281 1024 377 221.818 -6.342 1.958
-185.125.190.58 29.88.99.4 2 u 176 1024 377 226.804 -9.080 1.440
Sat Sep 26 18:44:00 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (8730GB)
200GB available in /atlas/red...OK (11918GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 1.9T 8.4T 19% /
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/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/loop0 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 2.3T 12T 17% /
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 453G 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 697G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Sat Sep 26 18:44:01 -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 Sep 26 18:44:01 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Sat Sep 26 18:44:01 -03 2026 [elapsed=5 sec] Closing dome.
Sat Sep 26 18:44:52 -03 2026 [elapsed=56 sec] SERVICES2
Sat Sep 26 18:44:52 -03 2026 [elapsed=56 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Sep 26 18:44:56 -03 2026 [elapsed=60 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=1.54e+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 Sep 26 18:48:13 -03 2026 [elapsed=257 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: 259.95 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Sat Sep 26 18:49:10 -03 2026 [elapsed=314 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Sep 26 18:49:32 -03 2026 [elapsed=336 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.8 IDLE
Sat Sep 26 18:49:32 -03 2026 [elapsed=336 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (3 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=+459.00 DZDY=-417.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=10 IDLE
Sat Sep 26 18:49:32 -03 2026 [elapsed=336 sec] WEATHER
status weather: C 22.6C 37% 6/8kph@293 DP14.0C/-63C/d IDLE
...OK
Sat Sep 26 18:49:33 -03 2026 [elapsed=337 sec] MET
status...OK
met: c=N o=Y Ro6d Co1d Wo19d Ho19d To19d Do8d IDLE
Sat Sep 26 18:49:33 -03 2026 [elapsed=337 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Sep 26 18:49:33 -03 2026 [elapsed=337 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 288.62 -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 -1 -0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 9 0.1%
A 0.051s 97 1.1%
A 0.081s 378 4.1%
A 0.111s 728 8.0%
A 0.142s 1193 13.0%
A 0.172s 1778 19.4%
A 0.202s 2463 26.9%
A 0.232s 3250 35.5%
A 0.263s 4174 45.6%
A 0.293s 5116 55.9%
A 0.323s 5978 65.3%
A 0.354s 6783 74.1%
A 0.384s 7431 81.2%
A 0.414s 8011 87.5%
A 0.444s 8461 92.4%
A 0.475s 8795 96.1%
A 0.505s 9029 98.6%
A 0.535s 9138 99.8%
A 0.566s 9156 100.0%
B 0.020s 2 0.0%
B 0.051s 91 1.0%
B 0.081s 374 4.1%
B 0.111s 735 8.0%
B 0.141s 1192 13.0%
B 0.172s 1780 19.4%
B 0.202s 2469 27.0%
B 0.232s 3255 35.6%
B 0.263s 4170 45.6%
B 0.293s 5142 56.2%
B 0.323s 6022 65.8%
B 0.354s 6803 74.3%
B 0.384s 7451 81.4%
B 0.414s 8025 87.7%
B 0.444s 8472 92.5%
B 0.475s 8800 96.1%
B 0.505s 9031 98.7%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.051s 9057 98.9%
A 0.081s 8772 95.8%
A 0.111s 8435 92.1%
A 0.141s 7969 87.1%
A 0.172s 7359 80.4%
A 0.202s 6694 73.1%
A 0.232s 5891 64.4%
A 0.263s 4979 54.4%
A 0.293s 4055 44.3%
A 0.323s 3162 34.5%
A 0.353s 2390 26.1%
A 0.384s 1707 18.6%
A 0.414s 1139 12.4%
A 0.444s 705 7.7%
A 0.475s 355 3.9%
A 0.505s 134 1.5%
A 0.535s 7 0.1%
B 0.020s 9149 99.9%
B 0.050s 9040 98.8%
B 0.081s 8774 95.8%
B 0.111s 8419 92.0%
B 0.141s 7960 87.0%
B 0.172s 7380 80.6%
B 0.202s 6686 73.0%
B 0.232s 5898 64.4%
B 0.262s 4991 54.5%
B 0.293s 4039 44.1%
B 0.323s 3167 34.6%
B 0.354s 2374 25.9%
B 0.384s 1718 18.8%
B 0.414s 1150 12.6%
B 0.445s 673 7.4%
B 0.475s 351 3.8%
B 0.506s 121 1.3%
B 0.536s 4 0.0%
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 0.0 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.1e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9880 IDLE
Sat Sep 26 18:50:07 -03 2026 [elapsed=371 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.8 IDLE
taking preflight exposures:
acam...OK
acam image:
158M Sep 26 18:50 /atlas/obs/04a/61310/04a61310e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Sep 26 18:50:29 -03 2026 [elapsed=393 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (22 seconds old)
OTA humidity level...OK (11%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Sep 26 18:50:30 -03 2026 [elapsed=394 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61309.91007312|info|galildriver|using focus model: foc=9830+(3.50)*20.6+(-0.35)*60.2=9881.0
61309.91007779|info|galildriver|o 3 IN | cass: 6105140 30.53 mm b=23 move=NO | arm: 407006 473.82 mm b=03 move=OK | foc: 53274766 9880 um b=0f [cmd]
bestfocus for o...OK
Sat Sep 26 18:50:31 -03 2026 [elapsed=395 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Sep 26 18:50:59 -03 2026 [elapsed=423 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 Sep 26 18:51:00 -03 2026 [elapsed=424 sec] Happy observing!
Sat Sep 26 18:51:00 -03 2026 [elapsed=424 sec] Preflight took 424 seconds to complete.
Sat Sep 26 18:51:00 -03 2026 [elapsed=424 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 0.050s 115 1.3% A 0.081s 385 4.2% A 0.111s 724 7.9% A 0.141s 1180 12.9% A 0.171s 1762 19.2% A 0.201s 2441 26.7% A 0.232s 3239 35.4% A 0.262s 4144 45.3% A 0.292s 5073 55.4% A 0.322s 5971 65.2% A 0.353s 6751 73.7% A 0.383s 7413 81.0% A 0.413s 7990 87.3% A 0.443s 8445 92.3% A 0.474s 8784 96.0% A 0.504s 9021 98.5% A 0.534s 9136 99.8% A 0.564s 9154 100.0% B 0.020s 1 0.0% B 0.050s 106 1.2% B 0.081s 370 4.0% B 0.111s 713 7.8% B 0.141s 1186 13.0% B 0.171s 1751 19.1% B 0.201s 2442 26.7% B 0.232s 3242 35.4% B 0.262s 4135 45.2% B 0.292s 5073 55.4% B 0.322s 5933 64.8% B 0.352s 6726 73.5% B 0.383s 7401 80.8% B 0.413s 7968 87.0% B 0.443s 8430 92.1% B 0.474s 8776 95.9% B 0.504s 9012 98.4% 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 9050 98.9% A 0.081s 8778 95.9% A 0.111s 8420 92.0% A 0.141s 7959 86.9% A 0.171s 7380 80.6% A 0.202s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4982 54.4% A 0.293s 4038 44.1% A 0.323s 3167 34.6% A 0.353s 2386 26.1% A 0.383s 1711 18.7% A 0.414s 1147 12.5% A 0.444s 692 7.6% A 0.474s 359 3.9% A 0.504s 125 1.4% A 0.535s 14 0.2% A 0.565s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9020 98.5% B 0.081s 8772 95.8% B 0.111s 8423 92.0% B 0.141s 7954 86.9% B 0.171s 7381 80.6% B 0.201s 6691 73.1% B 0.232s 5892 64.4% B 0.262s 4980 54.4% B 0.292s 4056 44.3% B 0.322s 3166 34.6% B 0.353s 2393 26.1% B 0.383s 1701 18.6% B 0.413s 1146 12.5% B 0.443s 699 7.6% B 0.474s 357 3.9% B 0.504s 132 1.4% B 0.534s 14 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R