CHL Preflight Night 61294
Executing preflight for 61294 at Thu Sep 10 18:35:02 -03 2026.
Log can be found in /atlas/obs/04/61294/preflight.dat.
Setting donefile '/atlas/obs/04/61294/preflight_complete.20260910213502.7375' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260910213502.7375.
Thu Sep 10 18:35:02 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Sep 10 18:35:02 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [32c214e3-958e-430c-9583-d64d59c4f53e;1800]
Thu Sep 10 18:35:02 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Thu Sep 10 18:35:03 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Thu Sep 10 18:35:03 -03 2026 [elapsed=1 sec] auxcam is disabled.
Thu Sep 10 18:35:03 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Sep 10 18:35:03 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1789076095
OK
Thu Sep 10 18:35:03 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Sep 10 18:35:03 -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
Thu Sep 10 18:35:05 -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
Thu Sep 10 18:35:05 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Sep 10 18:35:05 -03 2026 [elapsed=3 sec] CLOCKS
admin: Thu Sep 10 21:35:05 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 455 1024 377 0.359 0.142 0.282
+10.0.11.4 .GPS. 1 u 737 1024 377 1.552 0.223 0.341
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 1940 1024 376 161.257 -0.837 2.906
-185.125.190.57 29.88.99.4 2 u 618 1024 377 216.732 -5.745 1.119
-185.125.190.56 29.88.99.4 2 u 978 1024 377 220.376 -6.528 0.684
-185.125.190.58 29.88.99.4 2 u 516 1024 377 218.176 -5.797 2.924
Thu Sep 10 18:35:07 -03 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (9871GB)
200GB available in /atlas/red...OK (13290GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 807G 9.5T 8% /
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 995G 13T 8% /
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
Thu Sep 10 18:35:07 -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
Thu Sep 10 18:35:07 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Thu Sep 10 18:35:08 -03 2026 [elapsed=6 sec] SERVICES2
Thu Sep 10 18:35:08 -03 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Sep 10 18:35:12 -03 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=1.52e+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
Thu Sep 10 18:38:30 -03 2026 [elapsed=208 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: 241.73 -27.58, az/alt=324.63 +86.48 idle(e) IDLE
Thu Sep 10 18:39:26 -03 2026 [elapsed=264 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Sep 10 18:39:48 -03 2026 [elapsed=286 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Thu Sep 10 18:39:48 -03 2026 [elapsed=286 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 (-55.0C)
Checking CCD plane: Z0=-190.00 DZDX=+459.00 DZDY=-420.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Sep 10 18:39:48 -03 2026 [elapsed=286 sec] WEATHER
status weather: C+ 10.7C 65% 17/25kph@268 DP4.8C/-70C/d IDLE
...OK
Thu Sep 10 18:39:48 -03 2026 [elapsed=286 sec] MET
status...OK
met: c=Y o=N Ro1d Cx17 Wo3d Ho3d To3d Do3d wait C IDLE
Thu Sep 10 18:39:48 -03 2026 [elapsed=286 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Sep 10 18:39:48 -03 2026 [elapsed=286 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 270.41 -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 1 0.0mm 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 12 0.1%
A 0.051s 93 1.0%
A 0.081s 370 4.0%
A 0.111s 727 7.9%
A 0.141s 1208 13.2%
A 0.172s 1784 19.5%
A 0.202s 2465 26.9%
A 0.232s 3245 35.4%
A 0.263s 4201 45.9%
A 0.293s 5118 55.9%
A 0.324s 6012 65.7%
A 0.354s 6808 74.4%
A 0.384s 7449 81.4%
A 0.415s 8022 87.6%
A 0.445s 8475 92.6%
A 0.475s 8806 96.2%
A 0.506s 9037 98.7%
A 0.536s 9146 99.9%
B 0.020s 1 0.0%
B 0.051s 92 1.0%
B 0.081s 384 4.2%
B 0.111s 747 8.2%
B 0.141s 1205 13.2%
B 0.172s 1799 19.7%
B 0.202s 2493 27.2%
B 0.232s 3282 35.9%
B 0.263s 4198 45.9%
B 0.293s 5142 56.2%
B 0.323s 6025 65.8%
B 0.354s 6800 74.3%
B 0.384s 7453 81.4%
B 0.414s 8026 87.7%
B 0.445s 8470 92.5%
B 0.475s 8803 96.2%
B 0.505s 9038 98.7%
B 0.535s 9149 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9054 98.9%
A 0.081s 8769 95.8%
A 0.112s 8430 92.1%
A 0.142s 7935 86.7%
A 0.172s 7328 80.1%
A 0.203s 6639 72.5%
A 0.233s 5841 63.8%
A 0.263s 4919 53.7%
A 0.294s 3992 43.6%
A 0.324s 3118 34.1%
A 0.354s 2342 25.6%
A 0.384s 1658 18.1%
A 0.414s 1106 12.1%
A 0.445s 672 7.3%
A 0.475s 354 3.9%
A 0.505s 121 1.3%
A 0.535s 0 0.0%
B 0.020s 9148 99.9%
B 0.050s 9039 98.7%
B 0.081s 8765 95.8%
B 0.111s 8407 91.8%
B 0.141s 7944 86.8%
B 0.171s 7359 80.4%
B 0.202s 6663 72.8%
B 0.232s 5871 64.1%
B 0.262s 4958 54.2%
B 0.293s 4010 43.8%
B 0.323s 3138 34.3%
B 0.353s 2351 25.7%
B 0.384s 1699 18.6%
B 0.414s 1133 12.4%
B 0.445s 673 7.4%
B 0.475s 347 3.8%
B 0.505s 113 1.2%
B 0.536s 1 0.0%
A 0 0.0mm 15 N F R | B -5 -0.2mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 99.9 percent in 0.536 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.0 percent in 0.535 seconds.
Shutter B closed to 0.0 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.14e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9855 IDLE
Thu Sep 10 18:40:23 -03 2026 [elapsed=321 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
156M Sep 10 18:40 /atlas/obs/04a/61294/04a61294e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Sep 10 18:40:46 -03 2026 [elapsed=344 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (68 seconds old)
OTA humidity level...OK (11%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Sep 10 18:40:46 -03 2026 [elapsed=344 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61293.90331732|info|galildriver|using focus model: foc=9830+(3.50)*12.5+(-0.35)*60.2=9852.7
61293.90332234|info|galildriver|c 4 IN | cass: 9142194 45.71 mm b=23 move=NO | arm: 406816 473.60 mm b=03 move=OK | foc: 53279658 9856 um b=8f M [focus]
61293.90333249|info|galildriver|c 4 IN | cass: 9142197 45.71 mm b=23 move=NO | arm: 406816 473.60 mm b=03 move=OK | foc: 53279941 9854 um b=0f [cmd]
bestfocus for c...OK
Thu Sep 10 18:40:48 -03 2026 [elapsed=346 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Sep 10 18:41:17 -03 2026 [elapsed=375 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.
Thu Sep 10 18:41:18 -03 2026 [elapsed=376 sec] Happy observing!
Thu Sep 10 18:41:18 -03 2026 [elapsed=376 sec] Preflight took 376 seconds to complete.
Thu Sep 10 18:41:18 -03 2026 [elapsed=376 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 0.051s 120 1.3% A 0.081s 396 4.3% A 0.111s 749 8.2% A 0.141s 1214 13.3% A 0.172s 1804 19.7% A 0.202s 2489 27.2% A 0.232s 3295 36.0% A 0.262s 4204 45.9% A 0.293s 5133 56.1% A 0.323s 6027 65.8% A 0.353s 6796 74.2% A 0.383s 7453 81.4% A 0.414s 8006 87.5% A 0.444s 8457 92.4% A 0.474s 8793 96.1% A 0.504s 9027 98.6% A 0.535s 9137 99.8% A 0.565s 9153 100.0% B 0.020s 1 0.0% B 0.050s 120 1.3% B 0.081s 381 4.2% B 0.111s 728 8.0% B 0.141s 1201 13.1% B 0.171s 1773 19.4% B 0.201s 2468 27.0% B 0.232s 3268 35.7% B 0.262s 4166 45.5% B 0.292s 5102 55.7% B 0.322s 5988 65.4% B 0.353s 6773 74.0% B 0.383s 7439 81.3% B 0.413s 8000 87.4% B 0.444s 8456 92.4% B 0.474s 8796 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 9151 100.0% A 0.050s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8421 92.0% A 0.141s 7959 86.9% A 0.171s 7381 80.6% A 0.201s 6692 73.1% A 0.232s 5894 64.4% A 0.262s 4982 54.4% A 0.292s 4038 44.1% A 0.322s 3194 34.9% A 0.353s 2409 26.3% A 0.383s 1732 18.9% A 0.413s 1164 12.7% A 0.443s 705 7.7% A 0.473s 368 4.0% A 0.504s 132 1.4% A 0.534s 15 0.2% A 0.564s 1 0.0% B 0.020s 9144 99.9% B 0.050s 9026 98.6% B 0.081s 8779 95.9% B 0.111s 8434 92.1% B 0.141s 7969 87.1% B 0.171s 7400 80.8% B 0.201s 6714 73.3% B 0.232s 5919 64.7% B 0.262s 5007 54.7% B 0.292s 4083 44.6% B 0.322s 3191 34.9% B 0.353s 2416 26.4% B 0.383s 1727 18.9% B 0.413s 1159 12.7% B 0.443s 713 7.8% B 0.474s 364 4.0% B 0.504s 137 1.5% B 0.534s 15 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R