CHL Preflight Night 61080
Executing preflight for 61080 at Sun Feb 8 19:39:11 -03 2026.
Log can be found in /atlas/obs/04/61080/preflight.dat.
Setting donefile '/atlas/obs/04/61080/preflight_complete.20260208223911.6074' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260208223911.6074.
Sun Feb 8 19:39:11 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Feb 8 19:39:11 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [47121d34-5991-4771-9e40-e65404f7e40b;1800]
Sun Feb 8 19:39:11 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sun Feb 8 19:39:12 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sun Feb 8 19:39:12 -03 2026 [elapsed=1 sec] auxcam is disabled.
Sun Feb 8 19:39:12 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Feb 8 19:39:12 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1770590345
OK
Sun Feb 8 19:39:12 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Feb 8 19:39:12 -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 Feb 8 19:39:14 -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
Sun Feb 8 19:39:14 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Feb 8 19:39:14 -03 2026 [elapsed=3 sec] CLOCKS
admin: Sun Feb 8 22:39:14 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 71 1024 377 0.307 0.259 0.517
+10.0.11.4 .GPS. 1 u 478 1024 377 0.611 0.563 0.437
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 194.121.207.249 2 u 712 1024 377 219.386 -6.201 0.650
-185.125.190.58 194.121.207.249 2 u 775 1024 377 224.159 -7.227 0.950
+alphyn.canonica 132.163.96.1 2 u 1036 1024 377 159.450 -2.109 2.509
-185.125.190.56 194.121.207.249 2 u 582 1024 377 219.842 -4.743 0.920
Sun Feb 8 19:39:16 -03 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5320GB)
200GB available in /atlas/red...OK (9221GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 5.2T 5.1T 51% /
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 35G 37% /
archon:/dev/loop0 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
archon:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc1:/dev/md0p1 15T 4.9T 8.8T 36% /
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 435G 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
Sun Feb 8 19:39:17 -03 2026 [elapsed=6 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 Feb 8 19:39:17 -03 2026 [elapsed=6 sec] Disabling mount tracking.
Sun Feb 8 19:39:17 -03 2026 [elapsed=6 sec] Closing dome.
Sun Feb 8 19:39:22 -03 2026 [elapsed=11 sec] SERVICES2
Sun Feb 8 19:39:22 -03 2026 [elapsed=11 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Feb 8 19:39:27 -03 2026 [elapsed=16 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=1.62e+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 Feb 8 19:42:43 -03 2026 [elapsed=212 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: 46.94 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Sun Feb 8 19:43:50 -03 2026 [elapsed=279 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Feb 8 19:44:14 -03 2026 [elapsed=303 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.3 IDLE
Sun Feb 8 19:44:14 -03 2026 [elapsed=303 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (8 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=+461.00 DZDY=-412.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sun Feb 8 19:44:14 -03 2026 [elapsed=303 sec] WEATHER
status weather: C 25.5C 41% 14/18kph@287 DP12.8C/-81C/d IDLE
...OK
Sun Feb 8 19:44:15 -03 2026 [elapsed=304 sec] MET
status...OK
met: c=N o=Y Ro2d Co1d Wo2d Ho2d To2d Do2d IDLE
Sun Feb 8 19:44:15 -03 2026 [elapsed=304 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Feb 8 19:44:15 -03 2026 [elapsed=304 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 75.62 -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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.051s 106 1.2%
A 0.081s 393 4.3%
A 0.112s 730 8.0%
A 0.142s 1202 13.1%
A 0.172s 1773 19.4%
A 0.203s 2463 26.9%
A 0.233s 3263 35.6%
A 0.264s 4165 45.5%
A 0.294s 5113 55.9%
A 0.324s 6009 65.6%
A 0.355s 6800 74.3%
A 0.385s 7433 81.2%
A 0.415s 8028 87.7%
A 0.445s 8472 92.5%
A 0.476s 8804 96.2%
A 0.506s 9034 98.7%
A 0.536s 9141 99.9%
A 0.567s 9157 100.0%
B 0.020s 0 0.0%
B 0.051s 84 0.9%
B 0.081s 366 4.0%
B 0.111s 722 7.9%
B 0.142s 1190 13.0%
B 0.172s 1781 19.5%
B 0.202s 2469 27.0%
B 0.233s 3253 35.5%
B 0.263s 4171 45.6%
B 0.293s 5112 55.8%
B 0.323s 5994 65.5%
B 0.354s 6782 74.1%
B 0.384s 7430 81.2%
B 0.415s 8011 87.5%
B 0.445s 8459 92.4%
B 0.475s 8790 96.0%
B 0.505s 9031 98.7%
B 0.536s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.051s 9055 98.9%
A 0.081s 8769 95.8%
A 0.112s 8426 92.0%
A 0.142s 7957 86.9%
A 0.172s 7377 80.6%
A 0.203s 6691 73.1%
A 0.233s 5898 64.4%
A 0.263s 4981 54.4%
A 0.293s 4052 44.3%
A 0.324s 3164 34.6%
A 0.354s 2379 26.0%
A 0.384s 1716 18.7%
A 0.415s 1142 12.5%
A 0.445s 691 7.5%
A 0.475s 358 3.9%
A 0.506s 129 1.4%
A 0.536s 9 0.1%
B 0.020s 9146 99.9%
B 0.050s 9039 98.7%
B 0.081s 8771 95.8%
B 0.111s 8417 91.9%
B 0.142s 7960 87.0%
B 0.172s 7356 80.4%
B 0.202s 6662 72.8%
B 0.233s 5871 64.1%
B 0.263s 4958 54.2%
B 0.294s 4004 43.7%
B 0.324s 3138 34.3%
B 0.354s 2351 25.7%
B 0.385s 1699 18.6%
B 0.415s 1117 12.2%
B 0.446s 661 7.2%
B 0.476s 341 3.7%
B 0.506s 114 1.2%
B 0.537s 3 0.0%
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 0.567 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.0 percent in 0.537 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 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=o[3] foc=9897 IDLE
Sun Feb 8 19:44:51 -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:
156M Feb 8 19:45 /atlas/obs/04a/61080/04a61080e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Feb 8 19:45:14 -03 2026 [elapsed=363 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (58 seconds old)
OTA humidity level...OK (9%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Feb 8 19:45:14 -03 2026 [elapsed=363 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61079.94808690|info|galildriver|using focus model: foc=9830+(3.50)*24.8+(-0.35)*60.3=9895.7
61079.94809157|info|galildriver|o 3 IN | cass: 6105150 30.53 mm b=23 move=NO | arm: 407159 474.00 mm b=03 move=OK | foc: 53271427 9897 um b=0f [cmd]
bestfocus for o...OK
Sun Feb 8 19:45:15 -03 2026 [elapsed=364 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Feb 8 19:45:48 -03 2026 [elapsed=397 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 Feb 8 19:45:49 -03 2026 [elapsed=398 sec] Happy observing!
Sun Feb 8 19:45:49 -03 2026 [elapsed=398 sec] Preflight took 398 seconds to complete.
Sun Feb 8 19:45:49 -03 2026 [elapsed=398 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 2 0.0% A 0.051s 110 1.2% A 0.081s 373 4.1% A 0.111s 717 7.8% 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 4144 45.3% A 0.292s 5078 55.5% A 0.322s 5963 65.1% A 0.353s 6756 73.8% A 0.383s 7412 81.0% A 0.413s 7973 87.1% A 0.443s 8434 92.1% A 0.473s 8770 95.8% A 0.503s 9017 98.5% A 0.534s 9136 99.8% A 0.564s 9152 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 380 4.2% B 0.111s 729 8.0% B 0.141s 1203 13.1% B 0.171s 1774 19.4% B 0.202s 2468 27.0% B 0.232s 3268 35.7% B 0.262s 4165 45.5% B 0.292s 5105 55.8% B 0.323s 5988 65.4% B 0.353s 6773 74.0% B 0.383s 7438 81.3% B 0.413s 8001 87.4% B 0.443s 8456 92.4% B 0.474s 8795 96.1% B 0.504s 9018 98.5% B 0.534s 9135 99.8% B 0.564s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9156 100.0% A 0.050s 9056 98.9% A 0.081s 8793 96.1% A 0.111s 8443 92.2% A 0.141s 7983 87.2% A 0.171s 7405 80.9% A 0.201s 6717 73.4% A 0.232s 5931 64.8% A 0.262s 5014 54.8% A 0.292s 4073 44.5% A 0.322s 3200 35.0% A 0.353s 2404 26.3% A 0.383s 1735 19.0% A 0.413s 1162 12.7% A 0.443s 717 7.8% A 0.473s 379 4.1% A 0.503s 136 1.5% A 0.534s 19 0.2% A 0.564s 4 0.0% B 0.020s 9143 99.9% B 0.050s 9009 98.4% B 0.081s 8761 95.7% B 0.111s 8407 91.8% B 0.141s 7934 86.7% B 0.171s 7358 80.4% B 0.202s 6665 72.8% B 0.232s 5865 64.1% B 0.262s 4951 54.1% B 0.292s 4052 44.3% B 0.323s 3164 34.6% B 0.353s 2370 25.9% B 0.383s 1684 18.4% B 0.414s 1131 12.4% B 0.444s 699 7.6% B 0.474s 356 3.9% B 0.504s 132 1.4% B 0.534s 15 0.2% B 0.565s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R