CHL Preflight Night 61129
Executing preflight for 61129 at Sun Mar 29 18:45:07 -03 2026.
Log can be found in /atlas/obs/04/61129/preflight.dat.
Setting donefile '/atlas/obs/04/61129/preflight_complete.20260329214507.8997' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260329214507.8997.
Sun Mar 29 18:45:07 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Mar 29 18:45:07 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [7c43d75f-40cb-4a08-be26-34e15def3f1b;1800]
Sun Mar 29 18:45:07 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sun Mar 29 18:45:08 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sun Mar 29 18:45:08 -03 2026 [elapsed=1 sec] auxcam is disabled.
Sun Mar 29 18:45:08 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Mar 29 18:45:08 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1774820702
OK
Sun Mar 29 18:45:08 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Mar 29 18:45:08 -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
Sun Mar 29 18:45:09 -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
Sun Mar 29 18:45:10 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Mar 29 18:45:10 -03 2026 [elapsed=3 sec] CLOCKS
admin: Sun Mar 29 21:45:10 UTC 2026
met: 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 200 512 377 0.257 0.743 0.126
+10.0.11.4 .GPS. 1 u 20 512 377 0.551 0.825 0.195
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 29.88.99.4 2 u 673 1024 377 219.596 -6.702 1.341
-185.125.190.58 29.88.99.4 2 u 1003 1024 377 222.451 -6.308 1.060
+alphyn.canonica 132.163.96.1 2 u 14 512 377 151.235 -6.117 5.825
-185.125.190.56 79.243.60.50 2 u 781 1024 377 226.111 -6.300 1.057
Sun Mar 29 18:45:11 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (4397GB)
200GB available in /atlas/red...OK (8026GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 6.1T 4.2T 59% /
admin:/dev/loop2 105M 105M 0 100% /snap/core/17272
admin:/dev/loop0 106M 106M 0 100% /snap/core/17284
archon:/dev/mapper/ubuntu--vg-ubuntu--lv 58G 20G 35G 37% /
archon:/dev/loop0 106M 106M 0 100% /snap/core/17284
archon:/dev/loop1 105M 105M 0 100% /snap/core/17272
archon:/dev/sda2 974M 321M 586M 36% /boot
archon:/dev/sda1 511M 4.4M 507M 1% /boot/efi
proc1:/dev/md0p1 15T 6.0T 7.7T 44% /
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc1:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc2:/dev/md0p1 15T 553G 13T 5% /
proc2:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc3:/dev/md0p1 15T 902G 13T 7% /
proc3:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/md0p1 15T 691G 13T 6% /
proc4:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
Sun Mar 29 18:45:12 -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
Sun Mar 29 18:45:12 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Sun Mar 29 18:45:12 -03 2026 [elapsed=5 sec] Closing dome.
Sun Mar 29 18:45:55 -03 2026 [elapsed=48 sec] SERVICES2
Sun Mar 29 18:45:55 -03 2026 [elapsed=48 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Mar 29 18:46:00 -03 2026 [elapsed=53 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=1.56e+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
Sun Mar 29 18:49:17 -03 2026 [elapsed=250 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: 81.84 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Sun Mar 29 18:50:23 -03 2026 [elapsed=316 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Mar 29 18:50:47 -03 2026 [elapsed=340 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=924/0 spi=38.8 IDLE
Sun Mar 29 18:50:47 -03 2026 [elapsed=340 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (0 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.3C)
Checking CCD plane: Z0=-199.00 DZDX=+464.00 DZDY=-409.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=924 IDLE
Sun Mar 29 18:50:47 -03 2026 [elapsed=340 sec] WEATHER
status weather: C 27.5C 20% 8/14kph@353 DP23.5C/-78C/d IDLE
...OK
Sun Mar 29 18:50:48 -03 2026 [elapsed=341 sec] MET
status...OK
met: c=N o=Y Ro8d Co6d Wo51d Ho51d To51d Do51d IDLE
Sun Mar 29 18:50:48 -03 2026 [elapsed=341 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Mar 29 18:50:48 -03 2026 [elapsed=341 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 110.52 -12.93, az/alt=59.87 +60.08 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 -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 9 0.1%
A 0.051s 114 1.2%
A 0.081s 396 4.3%
A 0.111s 742 8.1%
A 0.142s 1225 13.4%
A 0.172s 1799 19.7%
A 0.202s 2493 27.2%
A 0.233s 3285 35.9%
A 0.263s 4194 45.8%
A 0.294s 5139 56.1%
A 0.324s 6042 66.0%
A 0.354s 6807 74.4%
A 0.384s 7449 81.4%
A 0.415s 8025 87.7%
A 0.445s 8480 92.6%
A 0.475s 8811 96.3%
A 0.506s 9038 98.7%
A 0.536s 9141 99.9%
A 0.566s 9155 100.0%
B 0.020s 1 0.0%
B 0.050s 89 1.0%
B 0.081s 377 4.1%
B 0.111s 736 8.0%
B 0.141s 1191 13.0%
B 0.172s 1783 19.5%
B 0.202s 2469 27.0%
B 0.232s 3280 35.8%
B 0.263s 4202 45.9%
B 0.293s 5142 56.2%
B 0.324s 6022 65.8%
B 0.354s 6803 74.3%
B 0.384s 7449 81.4%
B 0.415s 8026 87.7%
B 0.445s 8471 92.5%
B 0.476s 8809 96.2%
B 0.506s 9041 98.8%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.051s 9047 98.8%
A 0.081s 8758 95.7%
A 0.111s 8414 91.9%
A 0.141s 7944 86.8%
A 0.172s 7353 80.3%
A 0.202s 6669 72.9%
A 0.232s 5868 64.1%
A 0.263s 4946 54.0%
A 0.293s 4026 44.0%
A 0.323s 3136 34.3%
A 0.354s 2359 25.8%
A 0.384s 1693 18.5%
A 0.414s 1123 12.3%
A 0.444s 691 7.5%
A 0.475s 347 3.8%
A 0.505s 119 1.3%
A 0.535s 11 0.1%
A 0.566s -3 0.0%
B 0.020s 9148 99.9%
B 0.050s 9038 98.7%
B 0.081s 8772 95.8%
B 0.111s 8417 91.9%
B 0.142s 7959 86.9%
B 0.172s 7378 80.6%
B 0.202s 6686 73.0%
B 0.233s 5897 64.4%
B 0.263s 4960 54.2%
B 0.293s 4005 43.8%
B 0.324s 3140 34.3%
B 0.354s 2352 25.7%
B 0.384s 1700 18.6%
B 0.415s 1135 12.4%
B 0.445s 674 7.4%
B 0.475s 351 3.8%
B 0.506s 121 1.3%
B 0.536s 5 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 0.566 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.0 percent in 0.566 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=1.2e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9899 IDLE
Sun Mar 29 18:51:22 -03 2026 [elapsed=375 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=924/0 spi=38.8 IDLE
taking preflight exposures:
acam...OK
acam image:
158M Mar 29 18:51 /atlas/obs/04a/61129/04a61129e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Mar 29 18:51:45 -03 2026 [elapsed=398 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (9 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Mar 29 18:51:45 -03 2026 [elapsed=398 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61128.91094474|info|galildriver|using focus model: foc=9830+(3.50)*25.6+(-0.35)*60.2=9898.5
61128.91094941|info|galildriver|o 3 IN | cass: 6104144 30.52 mm b=23 move=NO | arm: 407123 473.96 mm b=03 move=OK | foc: 53270888 9900 um b=0f [cmd]
bestfocus for o...OK
Sun Mar 29 18:51:47 -03 2026 [elapsed=400 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Mar 29 18:52:20 -03 2026 [elapsed=433 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.
Sun Mar 29 18:52:21 -03 2026 [elapsed=434 sec] Happy observing!
Sun Mar 29 18:52:21 -03 2026 [elapsed=434 sec] Preflight took 434 seconds to complete.
Sun Mar 29 18:52:21 -03 2026 [elapsed=434 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 110 1.2% A 0.081s 372 4.1% A 0.111s 719 7.9% A 0.141s 1181 12.9% A 0.171s 1759 19.2% A 0.202s 2441 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.292s 5077 55.5% A 0.323s 5963 65.1% A 0.353s 6757 73.8% A 0.383s 7412 81.0% A 0.413s 7990 87.3% A 0.444s 8444 92.2% A 0.474s 8778 95.9% A 0.504s 9024 98.6% A 0.534s 9137 99.8% A 0.565s 9152 100.0% B 0.020s 0 0.0% B 0.050s 106 1.2% B 0.081s 370 4.0% B 0.111s 714 7.8% B 0.141s 1185 12.9% B 0.171s 1751 19.1% B 0.202s 2441 26.7% B 0.232s 3241 35.4% B 0.262s 4136 45.2% B 0.292s 5073 55.4% B 0.322s 5959 65.1% B 0.353s 6724 73.5% B 0.383s 7401 80.8% B 0.413s 7969 87.1% B 0.443s 8430 92.1% B 0.473s 8777 95.9% B 0.504s 9012 98.4% B 0.534s 9133 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9153 100.0% A 0.051s 9049 98.9% A 0.081s 8780 95.9% A 0.111s 8426 92.0% A 0.141s 7963 87.0% A 0.172s 7381 80.6% A 0.202s 6691 73.1% A 0.232s 5900 64.5% A 0.263s 4979 54.4% A 0.293s 4041 44.1% A 0.323s 3168 34.6% A 0.353s 2382 26.0% A 0.383s 1714 18.7% A 0.414s 1144 12.5% A 0.444s 693 7.6% A 0.474s 358 3.9% A 0.504s 123 1.3% A 0.535s 15 0.2% A 0.565s 3 0.0% B 0.020s 9145 99.9% B 0.050s 9016 98.5% B 0.081s 8771 95.8% B 0.111s 8421 92.0% B 0.141s 7951 86.9% B 0.171s 7378 80.6% B 0.201s 6688 73.1% B 0.232s 5891 64.4% B 0.262s 4982 54.4% B 0.292s 4054 44.3% B 0.322s 3163 34.6% B 0.352s 2390 26.1% B 0.383s 1703 18.6% B 0.413s 1150 12.6% B 0.443s 712 7.8% B 0.473s 366 4.0% B 0.504s 139 1.5% B 0.534s 16 0.2% B 0.564s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R