CHL Preflight Night 61314
Executing preflight for 61314 at Wed Sep 30 19:25:00 -03 2026.
Log can be found in /atlas/obs/04/61314/preflight.dat.
Setting donefile '/atlas/obs/04/61314/preflight_complete.20260930222500.8074' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260930222500.8074.
Wed Sep 30 19:25:00 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Wed Sep 30 19:25:00 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [61109b94-f10f-4768-a4f0-7d31d5ede505;1800]
Wed Sep 30 19:25:00 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Wed Sep 30 19:25:01 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Wed Sep 30 19:25:01 -03 2026 [elapsed=1 sec] auxcam is disabled.
Wed Sep 30 19:25:01 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Wed Sep 30 19:25:01 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1790807097
OK
Wed Sep 30 19:25:01 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Wed Sep 30 19:25:01 -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
Wed Sep 30 19:25:02 -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
Wed Sep 30 19:25:03 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Wed Sep 30 19:25:03 -03 2026 [elapsed=3 sec] CLOCKS
admin: Wed Sep 30 22:25:03 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 166 1024 377 0.369 -0.591 0.246
*10.0.11.4 .GPS. 1 u 657 1024 377 0.561 -0.498 0.377
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 29.88.99.4 2 u 509 1024 377 223.919 -9.373 1.275
-185.125.190.58 29.88.99.4 2 u 545 1024 377 230.924 -12.142 2.081
-185.125.190.56 145.238.80.80 2 u 598 1024 377 217.133 -5.255 1.480
+alphyn.canonica 132.163.96.1 2 u 680 1024 377 147.063 -4.936 3.688
Wed Sep 30 19:25:03 -03 2026 [elapsed=3 sec] DISKS
200GB available in /atlas/obs...OK (8431GB)
200GB available in /atlas/red...OK (11633GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 2.2T 8.1T 22% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
admin:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/mapper/ubuntu--vg-ubuntu--lv 58G 18G 38G 32% /
archon:/dev/loop1 106M 106M 0 100% /snap/core/17292
archon:/dev/loop0 106M 106M 0 100% /snap/core/17284
archon:/dev/sda2 974M 321M 586M 36% /boot
archon:/dev/sda1 511M 4.4M 507M 1% /boot/efi
proc1:/dev/md0p1 15T 2.6T 12T 19% /
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/loop1 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
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/17292
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17284
Wed Sep 30 19:25:03 -03 2026 [elapsed=3 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
Wed Sep 30 19:25:03 -03 2026 [elapsed=3 sec] Disabling mount tracking.
Wed Sep 30 19:25:04 -03 2026 [elapsed=3 sec] SERVICES2
Wed Sep 30 19:25:04 -03 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Wed Sep 30 19:25:08 -03 2026 [elapsed=8 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=1.65e+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
Wed Sep 30 19:29:23 -03 2026 [elapsed=263 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: 274.21 -27.58, az/alt=324.64 +86.48 idle(e) IDLE
Wed Sep 30 19:30:19 -03 2026 [elapsed=319 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Wed Sep 30 19:30:41 -03 2026 [elapsed=341 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.8 IDLE
Wed Sep 30 19:30:41 -03 2026 [elapsed=341 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (9 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=+457.00 DZDY=-416.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Wed Sep 30 19:30:41 -03 2026 [elapsed=341 sec] WEATHER
status weather: C 21.0C 37% 0/1kph DP12.2C/-112C/d IDLE
...OK
Wed Sep 30 19:30:42 -03 2026 [elapsed=342 sec] MET
status...OK
met: c=N o=Y Ro2h Co1h Wo2h Ho2h To2h Do2h IDLE
Wed Sep 30 19:30:42 -03 2026 [elapsed=342 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Wed Sep 30 19:30:42 -03 2026 [elapsed=342 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 302.88 -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 -2 0.0%
A 1 0.0mm 15 N F R | B -3 -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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 10 0.1%
A 0.051s 102 1.1%
A 0.081s 373 4.1%
A 0.112s 722 7.9%
A 0.142s 1210 13.2%
A 0.172s 1785 19.5%
A 0.203s 2467 26.9%
A 0.233s 3277 35.8%
A 0.264s 4200 45.9%
A 0.294s 5145 56.2%
A 0.325s 6010 65.7%
A 0.355s 6812 74.4%
A 0.385s 7468 81.6%
A 0.416s 8020 87.6%
A 0.446s 8486 92.7%
A 0.476s 8811 96.3%
A 0.507s 9043 98.8%
A 0.537s 9143 99.9%
A 0.567s 9158 100.0%
B 0.020s 1 0.0%
B 0.050s 97 1.1%
B 0.081s 386 4.2%
B 0.111s 750 8.2%
B 0.141s 1210 13.2%
B 0.172s 1780 19.4%
B 0.202s 2494 27.2%
B 0.232s 3283 35.9%
B 0.263s 4199 45.9%
B 0.293s 5144 56.2%
B 0.323s 6024 65.8%
B 0.354s 6802 74.3%
B 0.384s 7452 81.4%
B 0.414s 8028 87.7%
B 0.445s 8471 92.5%
B 0.475s 8802 96.2%
B 0.505s 9036 98.7%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9043 98.8%
A 0.081s 8761 95.7%
A 0.111s 8423 92.0%
A 0.142s 7953 86.9%
A 0.172s 7324 80.0%
A 0.203s 6644 72.6%
A 0.233s 5834 63.7%
A 0.263s 4920 53.7%
A 0.294s 3997 43.7%
A 0.324s 3109 34.0%
A 0.354s 2345 25.6%
A 0.385s 1664 18.2%
A 0.415s 1107 12.1%
A 0.445s 679 7.4%
A 0.476s 335 3.7%
A 0.506s 123 1.3%
A 0.536s 6 0.1%
B 0.020s 9149 99.9%
B 0.051s 9039 98.7%
B 0.081s 8772 95.8%
B 0.111s 8419 92.0%
B 0.142s 7959 86.9%
B 0.172s 7379 80.6%
B 0.202s 6664 72.8%
B 0.233s 5871 64.1%
B 0.263s 4958 54.2%
B 0.294s 4006 43.8%
B 0.324s 3143 34.3%
B 0.354s 2349 25.7%
B 0.385s 1698 18.5%
B 0.415s 1137 12.4%
B 0.445s 674 7.4%
B 0.476s 350 3.8%
B 0.506s 120 1.3%
B 0.536s 5 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 0.567 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 0.1 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=o[3] foc=9876 IDLE
Wed Sep 30 19:31:43 -03 2026 [elapsed=403 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.8 IDLE
taking preflight exposures:
acam...OK
acam image:
156M Sep 30 19:32 /atlas/obs/04a/61314/04a61314e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Wed Sep 30 19:32:05 -03 2026 [elapsed=425 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (46 seconds old)
OTA humidity level...OK (15%)
Dome humidity exists...OK
Dome humidity is current... OK
Wed Sep 30 19:32:05 -03 2026 [elapsed=425 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61313.93896150|info|galildriver|using focus model: foc=9830+(3.50)*18.9+(-0.35)*60.3=9875.1
61313.93896617|info|galildriver|o 3 IN | cass: 6106525 30.53 mm b=23 move=NO | arm: 409654 476.91 mm b=03 move=OK | foc: 53275460 9877 um b=0f [cmd]
bestfocus for o...OK
Wed Sep 30 19:32:07 -03 2026 [elapsed=427 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Wed Sep 30 19:32:36 -03 2026 [elapsed=456 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.
Wed Sep 30 19:32:37 -03 2026 [elapsed=457 sec] Happy observing!
Wed Sep 30 19:32:37 -03 2026 [elapsed=457 sec] Preflight took 457 seconds to complete.
Wed Sep 30 19:32:37 -03 2026 [elapsed=457 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 0.051s 121 1.3% A 0.081s 394 4.3% A 0.111s 735 8.0% A 0.142s 1215 13.3% A 0.172s 1804 19.7% A 0.203s 2490 27.2% A 0.233s 3296 36.0% A 0.263s 4203 45.9% A 0.294s 5133 56.1% A 0.324s 6052 66.1% A 0.355s 6819 74.5% A 0.385s 7473 81.6% A 0.416s 8036 87.8% A 0.446s 8483 92.7% A 0.476s 8810 96.2% A 0.507s 9038 98.7% A 0.537s 9143 99.9% A 0.567s 9154 100.0% B 0.020s 1 0.0% B 0.051s 121 1.3% B 0.081s 391 4.3% B 0.112s 755 8.2% B 0.142s 1236 13.5% B 0.173s 1813 19.8% B 0.203s 2515 27.5% B 0.233s 3322 36.3% B 0.264s 4259 46.5% B 0.294s 5190 56.7% B 0.325s 6067 66.3% B 0.355s 6842 74.7% B 0.385s 7498 81.9% B 0.415s 8050 87.9% B 0.446s 8495 92.8% B 0.476s 8823 96.4% B 0.507s 9039 98.7% B 0.537s 9144 99.9% B 0.567s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.051s 9049 98.9% A 0.081s 8779 95.9% A 0.112s 8420 92.0% A 0.142s 7958 86.9% A 0.172s 7380 80.6% A 0.203s 6667 72.8% A 0.233s 5867 64.1% A 0.263s 4951 54.1% A 0.294s 4008 43.8% A 0.324s 3140 34.3% A 0.354s 2363 25.8% A 0.385s 1692 18.5% A 0.415s 1130 12.3% A 0.446s 680 7.4% A 0.476s 340 3.7% A 0.507s 114 1.2% A 0.537s 10 0.1% A 0.567s 1 0.0% B 0.020s 9142 99.9% B 0.051s 9019 98.5% B 0.081s 8770 95.8% B 0.111s 8408 91.9% B 0.142s 7935 86.7% B 0.172s 7356 80.4% B 0.203s 6664 72.8% B 0.233s 5862 64.0% B 0.264s 4950 54.1% B 0.294s 3994 43.6% B 0.324s 3108 34.0% B 0.355s 2346 25.6% B 0.385s 1664 18.2% B 0.415s 1115 12.2% B 0.445s 674 7.4% B 0.476s 346 3.8% B 0.506s 121 1.3% B 0.537s 11 0.1% B 0.567s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R