CHL Preflight Night 61106
Executing preflight for 61106 at Fri Mar 6 19:13:03 -03 2026.
Log can be found in /atlas/obs/04/61106/preflight.dat.
Setting donefile '/atlas/obs/04/61106/preflight_complete.20260306221303.24283' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260306221303.24283.
Fri Mar 6 19:13:03 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Mar 6 19:13:03 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [ff4bf1a4-6e85-49f2-820a-bcf3ad1f8223;1800]
Fri Mar 6 19:13:03 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Mar 6 19:13:04 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Mar 6 19:13:04 -03 2026 [elapsed=1 sec] auxcam is disabled.
Fri Mar 6 19:13:04 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Mar 6 19:13:04 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1772835178
OK
Fri Mar 6 19:13:04 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Mar 6 19:13:04 -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 Mar 6 19:13:06 -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
Fri Mar 6 19:13:06 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Mar 6 19:13:06 -03 2026 [elapsed=3 sec] CLOCKS
admin: Fri Mar 6 22:13:06 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 387 1024 377 0.266 0.261 0.116
+10.0.11.4 .GPS. 1 u 108 1024 377 0.821 0.438 0.179
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 194.121.207.249 2 u 129 1024 377 223.563 -8.406 1.366
-185.125.190.58 145.238.80.80 2 u 439 1024 377 226.822 -7.812 0.616
+alphyn.canonica 132.163.96.1 2 u 1078 1024 377 159.034 -1.877 0.611
-185.125.190.56 194.121.207.249 2 u 171 1024 377 226.292 -8.165 0.406
Fri Mar 6 19:13:07 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (4886GB)
200GB available in /atlas/red...OK (8700GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 5.6T 4.7T 55% /
admin:/dev/loop1 105M 105M 0 100% /snap/core/17247
admin:/dev/loop2 105M 105M 0 100% /snap/core/17272
archon:/dev/mapper/ubuntu--vg-ubuntu--lv 58G 20G 36G 36% /
archon:/dev/loop0 105M 105M 0 100% /snap/core/17272
archon:/dev/loop1 105M 105M 0 100% /snap/core/17247
archon:/dev/sda2 974M 321M 586M 36% /boot
archon:/dev/sda1 511M 4.4M 507M 1% /boot/efi
proc1:/dev/md0p1 15T 5.4T 8.3T 40% /
proc1:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc1:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc2:/dev/md0p1 15T 438G 13T 4% /
proc2:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc2:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc3:/dev/md0p1 15T 901G 13T 7% /
proc3:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc3:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc4:/dev/md0p1 15T 691G 13T 6% /
proc4:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc4:/dev/loop2 105M 105M 0 100% /snap/core/17272
Fri Mar 6 19:13:08 -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 Mar 6 19:13:08 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Fri Mar 6 19:13:08 -03 2026 [elapsed=5 sec] SERVICES2
Fri Mar 6 19:13:08 -03 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Mar 6 19:13:12 -03 2026 [elapsed=9 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=1.61e+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/OPEN (0%) IDLE
Fri Mar 6 19:16:11 -03 2026 [elapsed=188 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: 65.91 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Fri Mar 6 19:17:17 -03 2026 [elapsed=254 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Mar 6 19:17:41 -03 2026 [elapsed=278 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.3 IDLE
Fri Mar 6 19:17:41 -03 2026 [elapsed=278 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (2 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.2C)
Checking CCD plane: Z0=-199.00 DZDX=+465.00 DZDY=-409.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Mar 6 19:17:41 -03 2026 [elapsed=278 sec] WEATHER
status weather: C 26.2C 31% 24/31kph@269 DP17.1C/-100C/d IDLE
...OK
Fri Mar 6 19:17:42 -03 2026 [elapsed=279 sec] MET
status...OK
met: c=N o=Y Ro14d Co21h Wo28d Ho28d To28d Do28d IDLE
Fri Mar 6 19:17:42 -03 2026 [elapsed=279 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Mar 6 19:17:42 -03 2026 [elapsed=279 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 94.59 -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 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 6 0.1%
A 0.051s 114 1.2%
A 0.081s 392 4.3%
A 0.111s 744 8.1%
A 0.141s 1203 13.1%
A 0.172s 1775 19.4%
A 0.202s 2466 26.9%
A 0.233s 3289 35.9%
A 0.263s 4190 45.8%
A 0.293s 5141 56.2%
A 0.324s 6014 65.7%
A 0.354s 6804 74.3%
A 0.384s 7449 81.4%
A 0.415s 8025 87.7%
A 0.445s 8469 92.5%
A 0.475s 8803 96.2%
A 0.506s 9034 98.7%
A 0.536s 9141 99.9%
A 0.566s 9157 100.0%
B 0.020s 2 0.0%
B 0.051s 90 1.0%
B 0.081s 388 4.2%
B 0.111s 736 8.0%
B 0.142s 1209 13.2%
B 0.172s 1783 19.5%
B 0.202s 2493 27.2%
B 0.233s 3252 35.5%
B 0.269s 4392 48.0%
B 0.300s 5318 58.1%
B 0.330s 6211 67.9%
B 0.361s 6959 76.0%
B 0.391s 7586 82.9%
B 0.421s 8141 88.9%
B 0.452s 8554 93.4%
B 0.482s 8863 96.8%
B 0.512s 9073 99.1%
B 0.543s 9157 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.051s 9053 98.9%
A 0.081s 8780 95.9%
A 0.111s 8427 92.1%
A 0.142s 7956 86.9%
A 0.172s 7379 80.6%
A 0.203s 6691 73.1%
A 0.233s 5895 64.4%
A 0.263s 4981 54.4%
A 0.293s 4052 44.3%
A 0.324s 3167 34.6%
A 0.354s 2379 26.0%
A 0.384s 1717 18.8%
A 0.415s 1140 12.5%
A 0.445s 701 7.7%
A 0.475s 358 3.9%
A 0.505s 129 1.4%
A 0.536s 12 0.1%
A 0.566s -3 0.0%
B 0.020s 9147 99.9%
B 0.051s 9032 98.7%
B 0.081s 8759 95.7%
B 0.111s 8404 91.8%
B 0.141s 7943 86.8%
B 0.172s 7356 80.4%
B 0.202s 6663 72.8%
B 0.232s 5872 64.1%
B 0.263s 4959 54.2%
B 0.293s 4005 43.8%
B 0.324s 3114 34.0%
B 0.354s 2329 25.4%
B 0.384s 1678 18.3%
B 0.415s 1119 12.2%
B 0.445s 662 7.2%
B 0.475s 342 3.7%
B 0.506s 117 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 100.0 percent in 0.543 seconds.
Shutter A closed to 0.0 percent in 0.566 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=1.19e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9898 IDLE
Fri Mar 6 19:18:19 -03 2026 [elapsed=316 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=40.3 IDLE
taking preflight exposures:
acam...OK
acam image:
155M Mar 6 19:18 /atlas/obs/04a/61106/04a61106e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Mar 6 19:18:41 -03 2026 [elapsed=338 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (85 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Mar 6 19:18:41 -03 2026 [elapsed=338 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61105.92965085|info|galildriver|using focus model: foc=9830+(3.50)*25.9+(-0.35)*60.3=9899.6
61105.92965552|info|galildriver|o 3 IN | cass: 6104028 30.52 mm b=23 move=NO | arm: 407159 474.00 mm b=03 move=OK | foc: 53271079 9899 um b=0f [cmd]
bestfocus for o...OK
Fri Mar 6 19:18:43 -03 2026 [elapsed=340 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Mar 6 19:19:16 -03 2026 [elapsed=373 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 Mar 6 19:19:17 -03 2026 [elapsed=374 sec] Happy observing!
Fri Mar 6 19:19:17 -03 2026 [elapsed=374 sec] Preflight took 374 seconds to complete.
Fri Mar 6 19:19:17 -03 2026 [elapsed=374 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 0.050s 122 1.3% A 0.081s 392 4.3% A 0.111s 744 8.1% A 0.141s 1214 13.3% A 0.172s 1801 19.7% A 0.202s 2490 27.2% A 0.232s 3293 36.0% A 0.262s 4205 45.9% A 0.293s 5136 56.1% A 0.323s 6018 65.7% A 0.353s 6803 74.3% A 0.383s 7451 81.4% A 0.413s 8025 87.7% A 0.444s 8471 92.5% A 0.474s 8787 96.0% A 0.504s 9029 98.6% A 0.534s 9141 99.9% A 0.564s 9152 100.0% B 0.020s 1 0.0% B 0.050s 125 1.4% B 0.081s 388 4.2% B 0.111s 730 8.0% B 0.141s 1204 13.2% B 0.171s 1775 19.4% B 0.201s 2467 26.9% B 0.232s 3267 35.7% B 0.262s 4169 45.5% B 0.292s 5104 55.8% B 0.322s 5991 65.4% B 0.353s 6771 74.0% B 0.383s 7439 81.3% B 0.413s 8002 87.4% B 0.443s 8456 92.4% B 0.474s 8797 96.1% B 0.504s 9024 98.6% B 0.534s 9139 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9047 98.8% A 0.081s 8780 95.9% A 0.111s 8427 92.1% A 0.141s 7962 87.0% A 0.171s 7382 80.6% A 0.202s 6690 73.1% A 0.232s 5900 64.5% A 0.262s 4980 54.4% A 0.292s 4070 44.5% A 0.322s 3169 34.6% A 0.353s 2381 26.0% A 0.383s 1713 18.7% A 0.413s 1145 12.5% A 0.443s 691 7.5% A 0.474s 368 4.0% A 0.504s 130 1.4% A 0.534s 15 0.2% A 0.564s 3 0.0% B 0.020s 9142 99.9% B 0.050s 9024 98.6% B 0.080s 8779 95.9% B 0.111s 8433 92.1% B 0.141s 7967 87.0% B 0.171s 7397 80.8% B 0.201s 6712 73.3% B 0.231s 5921 64.7% B 0.262s 5010 54.7% B 0.292s 4081 44.6% B 0.322s 3190 34.8% B 0.353s 2415 26.4% B 0.383s 1726 18.9% B 0.413s 1162 12.7% B 0.443s 713 7.8% B 0.474s 364 4.0% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.564s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R