CHL Preflight Night 61351
Executing preflight for 61351 at Fri Nov 6 19:12:28 -03 2026.
Log can be found in /atlas/obs/04/61351/preflight.dat.
Setting donefile '/atlas/obs/04/61351/preflight_complete.20261106221228.6217' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261106221228.6217.
Fri Nov 6 19:12:28 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Nov 6 19:12:28 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [b0a3721e-a68e-4ad5-a94d-5e6923c7f03f;1800]
Fri Nov 6 19:12:28 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Nov 6 19:12:29 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Nov 6 19:12:29 -03 2026 [elapsed=1 sec] auxcam is disabled.
Fri Nov 6 19:12:29 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Nov 6 19:12:29 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1794003145
OK
Fri Nov 6 19:12:29 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Nov 6 19:12:29 -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
Fri Nov 6 19:12:30 -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
Fri Nov 6 19:12:31 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Nov 6 19:12:31 -03 2026 [elapsed=3 sec] CLOCKS
admin: Fri Nov 6 22:12:31 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 871 1024 377 0.296 -0.245 0.826
+10.0.11.4 .GPS. 1 u 521 1024 377 0.608 -0.089 0.746
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 735 1024 377 229.133 -10.585 0.641
-185.125.190.56 29.88.99.4 2 u 52 1024 377 221.643 -7.330 1.076
-185.125.190.57 29.88.99.4 2 u 461 1024 377 224.163 -8.606 2.108
+alphyn.canonica 132.163.96.1 2 u 533 1024 377 152.737 -4.222 0.903
Fri Nov 6 19:12:33 -03 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (6488GB)
200GB available in /atlas/red...OK (10712GB)
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 17G 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 26% /
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 613G 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
Fri Nov 6 19:12:33 -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
Fri Nov 6 19:12:33 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Fri Nov 6 19:12:33 -03 2026 [elapsed=5 sec] Closing dome.
Fri Nov 6 19:12:51 -03 2026 [elapsed=23 sec] SERVICES2
Fri Nov 6 19:12:51 -03 2026 [elapsed=23 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Nov 6 19:12:55 -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=1.58e+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 Nov 6 19:16:13 -03 2026 [elapsed=225 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: 307.37 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Fri Nov 6 19:17:09 -03 2026 [elapsed=281 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Nov 6 19:17:31 -03 2026 [elapsed=303 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.3 IDLE
Fri Nov 6 19:17:31 -03 2026 [elapsed=303 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 (-54.2C)
Checking CCD plane: Z0=-195.00 DZDX=+462.00 DZDY=-414.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Nov 6 19:17:31 -03 2026 [elapsed=303 sec] WEATHER
status weather: clear 23.5C 36% 3/4kph@89 DP14.8C/-29C/d IDLE
...OK
Fri Nov 6 19:17:32 -03 2026 [elapsed=304 sec] MET
status...OK
met: c=N o=Y Ro4d Co2d Wo4d Ho4d To4d Do4d IDLE
Fri Nov 6 19:17:32 -03 2026 [elapsed=304 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Nov 6 19:17:32 -03 2026 [elapsed=304 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 336.04 -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 9 0.1%
A 0.051s 105 1.1%
A 0.081s 388 4.2%
A 0.111s 739 8.1%
A 0.142s 1229 13.4%
A 0.172s 1806 19.7%
A 0.202s 2489 27.2%
A 0.233s 3271 35.7%
A 0.263s 4203 45.9%
A 0.293s 5149 56.2%
A 0.323s 6010 65.7%
A 0.354s 6808 74.4%
A 0.384s 7444 81.3%
A 0.414s 8021 87.6%
A 0.445s 8476 92.6%
A 0.475s 8804 96.2%
A 0.505s 9038 98.7%
A 0.535s 9141 99.9%
A 0.566s 9158 100.0%
B 0.020s 1 0.0%
B 0.050s 91 1.0%
B 0.081s 375 4.1%
B 0.111s 735 8.0%
B 0.141s 1192 13.0%
B 0.172s 1782 19.5%
B 0.202s 2471 27.0%
B 0.232s 3257 35.6%
B 0.263s 4167 45.5%
B 0.293s 5115 55.9%
B 0.323s 5997 65.5%
B 0.354s 6779 74.1%
B 0.384s 7431 81.2%
B 0.414s 8010 87.5%
B 0.445s 8460 92.4%
B 0.475s 8802 96.2%
B 0.505s 9036 98.7%
B 0.535s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.050s 9055 98.9%
A 0.081s 8775 95.9%
A 0.111s 8441 92.2%
A 0.141s 7966 87.0%
A 0.172s 7364 80.4%
A 0.202s 6692 73.1%
A 0.232s 5890 64.3%
A 0.262s 4977 54.4%
A 0.293s 4052 44.3%
A 0.323s 3169 34.6%
A 0.353s 2391 26.1%
A 0.384s 1703 18.6%
A 0.414s 1137 12.4%
A 0.444s 703 7.7%
A 0.474s 356 3.9%
A 0.505s 135 1.5%
A 0.535s 6 0.1%
B 0.020s 9150 100.0%
B 0.050s 9048 98.8%
B 0.081s 8782 95.9%
B 0.111s 8430 92.1%
B 0.141s 7976 87.1%
B 0.172s 7399 80.8%
B 0.202s 6712 73.3%
B 0.232s 5897 64.4%
B 0.263s 4988 54.5%
B 0.293s 4037 44.1%
B 0.323s 3166 34.6%
B 0.354s 2373 25.9%
B 0.384s 1721 18.8%
B 0.414s 1152 12.6%
B 0.445s 686 7.5%
B 0.475s 358 3.9%
B 0.505s 126 1.4%
B 0.536s 7 0.1%
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 0.1 percent in 0.535 seconds.
Shutter B closed to 0.1 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.17e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9892 IDLE
Fri Nov 6 19:18:08 -03 2026 [elapsed=340 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.3 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Nov 6 19:18 /atlas/obs/04a/61351/04a61351e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Nov 6 19:18:30 -03 2026 [elapsed=362 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (81 seconds old)
OTA humidity level...OK (12%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Nov 6 19:18:30 -03 2026 [elapsed=362 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61350.92952402|info|galildriver|using focus model: foc=9830+(3.50)*19.8+(-0.35)*60.2=9878.2
61350.92952939|info|galildriver|c 4 IN | cass: 9138628 45.69 mm b=23 move=NO | arm: 407013 473.83 mm b=03 move=OK | foc: 53274317 9883 um b=8f M [focus]
61350.92953511|info|galildriver|c 4 IN | cass: 9138626 45.69 mm b=23 move=NO | arm: 407013 473.83 mm b=03 move=OK | foc: 53275475 9877 um b=8f M [focus]
61350.92953850|info|galildriver|c 4 IN | cass: 9138627 45.69 mm b=23 move=NO | arm: 407013 473.83 mm b=03 move=OK | foc: 53275480 9877 um b=8f M [focus]
61350.92954667|info|galildriver|c 4 IN | cass: 9138628 45.69 mm b=23 move=NO | arm: 407013 473.83 mm b=03 move=OK | foc: 53275476 9877 um b=0f [cmd]
bestfocus for c...OK
Fri Nov 6 19:18:32 -03 2026 [elapsed=364 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Nov 6 19:19:01 -03 2026 [elapsed=393 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 Nov 6 19:19:02 -03 2026 [elapsed=394 sec] Happy observing!
Fri Nov 6 19:19:02 -03 2026 [elapsed=394 sec] Preflight took 394 seconds to complete.
Fri Nov 6 19:19:02 -03 2026 [elapsed=394 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