CHL Preflight Night 61326
Executing preflight for 61326 at Mon Oct 12 18:53:40 -03 2026.
Log can be found in /atlas/obs/04/61326/preflight.dat.
Setting donefile '/atlas/obs/04/61326/preflight_complete.20261012215340.15695' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261012215340.15695.
Mon Oct 12 18:53:40 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Oct 12 18:53:40 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [0d6205df-cec3-4a5c-94ca-af44c2c57304;1800]
Mon Oct 12 18:53:40 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Mon Oct 12 18:53:41 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Mon Oct 12 18:53:41 -03 2026 [elapsed=1 sec] auxcam is disabled.
Mon Oct 12 18:53:41 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Oct 12 18:53:41 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1791842016
OK
Mon Oct 12 18:53:41 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Oct 12 18:53:41 -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
Mon Oct 12 18:53:42 -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
Mon Oct 12 18:53:43 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Oct 12 18:53:43 -03 2026 [elapsed=3 sec] CLOCKS
admin: Mon Oct 12 21:53:43 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 366 1024 377 0.322 0.333 0.132
+10.0.11.4 .GPS. 1 u 603 1024 377 0.550 0.410 0.212
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 54 1024 377 227.936 -13.604 14.178
-185.125.190.56 29.88.99.4 2 u 384 1024 377 224.682 -7.848 3.435
-185.125.190.57 29.88.99.4 2 u 863 1024 377 227.276 -7.796 15.459
+alphyn.canonica 132.163.96.1 2 u 771 1024 237 158.056 -2.792 4.760
Mon Oct 12 18:53:44 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (7916GB)
200GB available in /atlas/red...OK (11203GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 2.7T 7.6T 27% /
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 18G 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 3.0T 11T 22% /
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 453G 13T 4% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
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 697G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Mon Oct 12 18:53:44 -03 2026 [elapsed=4 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
Mon Oct 12 18:53:45 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Mon Oct 12 18:53:45 -03 2026 [elapsed=5 sec] SERVICES2
Mon Oct 12 18:53:45 -03 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Oct 12 18:53:49 -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= 914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.55e+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
Mon Oct 12 18:57:10 -03 2026 [elapsed=210 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: 277.96 -27.58, az/alt=324.76 +86.49 idle(e) IDLE
Mon Oct 12 18:58:05 -03 2026 [elapsed=265 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Oct 12 18:58:27 -03 2026 [elapsed=287 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Mon Oct 12 18:58:27 -03 2026 [elapsed=287 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 (-55.3C)
Checking CCD plane: Z0=-189.00 DZDX=+456.00 DZDY=-421.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Oct 12 18:58:27 -03 2026 [elapsed=287 sec] WEATHER
status weather: C+ 10.8C 71% 8/13kph@359 DP5.1C/16C/d IDLE
...OK
Mon Oct 12 18:58:28 -03 2026 [elapsed=288 sec] MET
status...OK
met: c=Y o=N Ro53 Cx2h Wo3d Ho3d To3d Do12h wait C IDLE
Mon Oct 12 18:58:28 -03 2026 [elapsed=288 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Oct 12 18:58:28 -03 2026 [elapsed=288 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 306.62 -12.93, az/alt=59.89 +60.07 tracking(w) IDLE 0s
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 10 0.1%
A 0.051s 90 1.0%
A 0.081s 363 4.0%
A 0.111s 725 7.9%
A 0.141s 1213 13.3%
A 0.172s 1791 19.6%
A 0.202s 2487 27.2%
A 0.233s 3255 35.6%
A 0.263s 4210 46.0%
A 0.293s 5158 56.3%
A 0.324s 6002 65.6%
A 0.354s 6810 74.4%
A 0.384s 7446 81.3%
A 0.414s 8016 87.6%
A 0.445s 8489 92.7%
A 0.475s 8808 96.2%
A 0.505s 9039 98.7%
A 0.536s 9145 99.9%
B 0.020s 2 0.0%
B 0.050s 92 1.0%
B 0.081s 380 4.2%
B 0.111s 749 8.2%
B 0.141s 1210 13.2%
B 0.172s 1799 19.7%
B 0.202s 2498 27.3%
B 0.232s 3285 35.9%
B 0.262s 4200 45.9%
B 0.293s 5141 56.2%
B 0.323s 6027 65.8%
B 0.353s 6809 74.4%
B 0.384s 7449 81.4%
B 0.414s 8026 87.7%
B 0.444s 8473 92.6%
B 0.475s 8801 96.1%
B 0.505s 9039 98.7%
B 0.535s 9151 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9149 99.9%
A 0.051s 9053 98.9%
A 0.081s 8772 95.8%
A 0.111s 8429 92.1%
A 0.141s 7953 86.9%
A 0.172s 7348 80.3%
A 0.202s 6664 72.8%
A 0.232s 5865 64.1%
A 0.263s 4950 54.1%
A 0.293s 4020 43.9%
A 0.324s 3144 34.3%
A 0.354s 2366 25.8%
A 0.384s 1656 18.1%
A 0.414s 1123 12.3%
A 0.445s 672 7.3%
A 0.475s 341 3.7%
A 0.505s 129 1.4%
A 0.535s 0 0.0%
B 0.020s 9148 99.9%
B 0.051s 9040 98.8%
B 0.081s 8765 95.8%
B 0.111s 8410 91.9%
B 0.141s 7944 86.8%
B 0.172s 7357 80.4%
B 0.202s 6663 72.8%
B 0.232s 5875 64.2%
B 0.263s 4965 54.2%
B 0.293s 4004 43.7%
B 0.323s 3133 34.2%
B 0.354s 2356 25.7%
B 0.384s 1696 18.5%
B 0.414s 1114 12.2%
B 0.445s 668 7.3%
B 0.475s 336 3.7%
B 0.506s 113 1.2%
B 0.536s 3 0.0%
A 1 0.0mm 15 N F R | B -7 -0.2mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 99.9 percent in 0.536 seconds.
Shutter B opened to 100.0 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=1.17e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9850 IDLE
Mon Oct 12 18:59:06 -03 2026 [elapsed=326 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
taking preflight exposures:
acam...OK
acam image:
155M Oct 12 18:59 /atlas/obs/04a/61326/04a61326e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Oct 12 18:59:29 -03 2026 [elapsed=349 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (20 seconds old)
OTA humidity level...OK (10%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Oct 12 18:59:29 -03 2026 [elapsed=349 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61325.91631386|info|galildriver|using focus model: foc=9830+(3.50)*11.0+(-0.35)*60.2=9847.4
61325.91631888|info|galildriver|c 4 IN | cass: 9141337 45.71 mm b=23 move=NO | arm: 406865 473.66 mm b=03 move=OK | foc: 53280728 9851 um b=8f M [focus]
61325.91632902|info|galildriver|c 4 IN | cass: 9141335 45.71 mm b=23 move=NO | arm: 406865 473.66 mm b=03 move=OK | foc: 53281003 9849 um b=0f [cmd]
bestfocus for c...OK
Mon Oct 12 18:59:31 -03 2026 [elapsed=351 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Oct 12 18:59:59 -03 2026 [elapsed=379 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.
Mon Oct 12 19:00:00 -03 2026 [elapsed=380 sec] Happy observing!
Mon Oct 12 19:00:00 -03 2026 [elapsed=380 sec] Preflight took 380 seconds to complete.
Mon Oct 12 19:00:00 -03 2026 [elapsed=380 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 106 1.2% A 0.081s 374 4.1% A 0.111s 723 7.9% A 0.141s 1180 12.9% A 0.171s 1760 19.2% A 0.202s 2442 26.7% A 0.232s 3238 35.4% A 0.262s 4143 45.3% A 0.292s 5075 55.4% A 0.322s 5968 65.2% A 0.353s 6753 73.8% A 0.383s 7414 81.0% A 0.413s 7985 87.2% A 0.443s 8434 92.1% A 0.474s 8777 95.9% A 0.504s 9015 98.5% A 0.534s 9137 99.8% A 0.564s 9155 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 377 4.1% B 0.111s 741 8.1% B 0.141s 1203 13.1% B 0.171s 1771 19.3% B 0.201s 2465 26.9% B 0.232s 3268 35.7% B 0.262s 4168 45.5% B 0.292s 5105 55.8% B 0.323s 5988 65.4% B 0.353s 6771 74.0% B 0.383s 7441 81.3% B 0.413s 8002 87.4% B 0.444s 8456 92.4% B 0.474s 8795 96.1% B 0.504s 9024 98.6% B 0.534s 9139 99.8% B 0.564s 9157 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 8422 92.0% A 0.141s 7957 86.9% A 0.171s 7380 80.6% A 0.201s 6691 73.1% A 0.232s 5893 64.4% A 0.262s 4981 54.4% A 0.292s 4036 44.1% A 0.322s 3167 34.6% A 0.353s 2386 26.1% A 0.383s 1711 18.7% A 0.413s 1161 12.7% A 0.443s 704 7.7% A 0.474s 365 4.0% A 0.504s 130 1.4% A 0.534s 14 0.2% A 0.564s 0 0.0% B 0.020s 9145 99.9% B 0.050s 9020 98.5% B 0.081s 8774 95.8% B 0.111s 8423 92.0% B 0.141s 7953 86.9% B 0.172s 7381 80.6% B 0.202s 6689 73.1% B 0.232s 5893 64.4% B 0.262s 4986 54.5% B 0.293s 4056 44.3% B 0.323s 3164 34.6% B 0.353s 2393 26.1% B 0.383s 1700 18.6% B 0.413s 1146 12.5% B 0.444s 697 7.6% B 0.474s 357 3.9% B 0.504s 137 1.5% B 0.534s 14 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R