CHL Preflight Night 61357
Executing preflight for 61357 at Thu Nov 12 19:17:32 -03 2026.
Log can be found in /atlas/obs/04/61357/preflight.dat.
Setting donefile '/atlas/obs/04/61357/preflight_complete.20261112221732.6217' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261112221732.6217.
Thu Nov 12 19:17:32 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Nov 12 19:17:32 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [51442eba-8814-4e67-8572-a766e9b69c07;1800]
Thu Nov 12 19:17:33 -03 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Thu Nov 12 19:17:33 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Thu Nov 12 19:17:33 -03 2026 [elapsed=1 sec] auxcam is disabled.
Thu Nov 12 19:17:33 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Nov 12 19:17:33 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1794521846
OK
Thu Nov 12 19:17:33 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Nov 12 19:17:33 -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
Thu Nov 12 19:17:35 -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
Thu Nov 12 19:17:35 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Nov 12 19:17:35 -03 2026 [elapsed=3 sec] CLOCKS
admin: Thu Nov 12 22:17:35 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 336 1024 377 0.296 -0.149 0.280
+10.0.11.4 .GPS. 1 u 346 1024 377 0.661 0.048 0.229
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 709 1024 377 226.024 -15.141 0.999
-185.125.190.56 29.88.99.4 2 u 957 1024 377 217.572 -10.543 1.084
-185.125.190.57 29.88.99.4 2 u 208 1024 377 221.113 -13.722 1.157
+alphyn.canonica 132.163.96.1 2 u 895 1024 333 139.413 -0.630 0.816
Thu Nov 12 19:17:39 -03 2026 [elapsed=7 sec] DISKS
200GB available in /atlas/obs...OK (6433GB)
200GB available in /atlas/red...OK (10631GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 4.1T 6.2T 40% /
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 3.6T 11T 26% /
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 622G 13T 5% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc3:/dev/md0p1 15T 904G 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 698G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Thu Nov 12 19:17:39 -03 2026 [elapsed=7 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
Thu Nov 12 19:17:40 -03 2026 [elapsed=8 sec] Disabling mount tracking.
Thu Nov 12 19:17:40 -03 2026 [elapsed=8 sec] Closing dome.
Thu Nov 12 19:18:31 -03 2026 [elapsed=59 sec] SERVICES2
Thu Nov 12 19:18:31 -03 2026 [elapsed=59 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Nov 12 19:18:35 -03 2026 [elapsed=63 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
Thu Nov 12 19:21:52 -03 2026 [elapsed=260 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: 314.71 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Thu Nov 12 19:22:49 -03 2026 [elapsed=317 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Nov 12 19:23:11 -03 2026 [elapsed=339 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.7 IDLE
Thu Nov 12 19:23:11 -03 2026 [elapsed=339 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (6 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.1C)
Checking CCD plane: Z0=-201.00 DZDX=+453.00 DZDY=-410.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=10 IDLE
Thu Nov 12 19:23:11 -03 2026 [elapsed=339 sec] WEATHER
status weather: clear 32.3C 29% 6/11kph@303 DP18.8C/-67C/d IDLE
...OK
Thu Nov 12 19:23:12 -03 2026 [elapsed=340 sec] MET
status...OK
met: c=N o=Y Ro10d Co2d Wo10d Ho10d To4d Do2d IDLE
Thu Nov 12 19:23:12 -03 2026 [elapsed=340 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Nov 12 19:23:12 -03 2026 [elapsed=340 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 343.38 -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 3 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 7 0.1%
A 0.051s 109 1.2%
A 0.081s 378 4.1%
A 0.111s 740 8.1%
A 0.142s 1232 13.5%
A 0.172s 1802 19.7%
A 0.202s 2487 27.2%
A 0.233s 3270 35.7%
A 0.263s 4209 46.0%
A 0.293s 5150 56.3%
A 0.324s 6007 65.6%
A 0.354s 6806 74.4%
A 0.384s 7447 81.4%
A 0.415s 8028 87.7%
A 0.445s 8474 92.6%
A 0.475s 8803 96.2%
A 0.506s 9033 98.7%
A 0.536s 9140 99.8%
A 0.566s 9154 100.0%
B 0.020s 1 0.0%
B 0.051s 91 1.0%
B 0.081s 378 4.1%
B 0.111s 736 8.0%
B 0.142s 1191 13.0%
B 0.172s 1781 19.5%
B 0.202s 2470 27.0%
B 0.233s 3255 35.6%
B 0.263s 4200 45.9%
B 0.294s 5143 56.2%
B 0.324s 6022 65.8%
B 0.354s 6802 74.3%
B 0.385s 7450 81.4%
B 0.415s 8027 87.7%
B 0.445s 8472 92.5%
B 0.476s 8800 96.1%
B 0.506s 9036 98.7%
B 0.536s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9052 98.9%
A 0.081s 8761 95.7%
A 0.111s 8422 92.0%
A 0.141s 7952 86.9%
A 0.172s 7338 80.2%
A 0.202s 6666 72.8%
A 0.232s 5864 64.1%
A 0.263s 4949 54.1%
A 0.293s 4024 44.0%
A 0.323s 3133 34.2%
A 0.354s 2367 25.9%
A 0.384s 1688 18.4%
A 0.414s 1125 12.3%
A 0.444s 693 7.6%
A 0.475s 345 3.8%
A 0.505s 127 1.4%
A 0.536s 9 0.1%
B 0.020s 9146 99.9%
B 0.050s 9031 98.7%
B 0.081s 8762 95.7%
B 0.111s 8404 91.8%
B 0.141s 7943 86.8%
B 0.172s 7358 80.4%
B 0.202s 6662 72.8%
B 0.232s 5871 64.1%
B 0.263s 4958 54.2%
B 0.293s 4007 43.8%
B 0.323s 3139 34.3%
B 0.354s 2352 25.7%
B 0.384s 1700 18.6%
B 0.414s 1136 12.4%
B 0.445s 674 7.4%
B 0.475s 351 3.8%
B 0.505s 120 1.3%
B 0.536s 7 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 0.1 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=1.11e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9906 IDLE
Thu Nov 12 19:23:49 -03 2026 [elapsed=377 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Nov 12 19:24 /atlas/obs/04a/61357/04a61357e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Nov 12 19:24:11 -03 2026 [elapsed=399 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (62 seconds old)
OTA humidity level...OK (12%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Nov 12 19:24:11 -03 2026 [elapsed=399 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61356.93347175|info|galildriver|using focus model: foc=9830+(3.50)*27.4+(-0.35)*60.3=9904.8
61356.93347642|info|galildriver|c 4 IN | cass: 9135154 45.68 mm b=23 move=NO | arm: 407051 473.88 mm b=03 move=OK | foc: 53269568 9906 um b=0f [cmd]
bestfocus for c...OK
Thu Nov 12 19:24:13 -03 2026 [elapsed=401 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Nov 12 19:24:41 -03 2026 [elapsed=429 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.
Thu Nov 12 19:24:42 -03 2026 [elapsed=430 sec] Happy observing!
Thu Nov 12 19:24:42 -03 2026 [elapsed=430 sec] Preflight took 430 seconds to complete.
Thu Nov 12 19:24:42 -03 2026 [elapsed=430 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 109 1.2% A 0.081s 373 4.1% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.171s 1760 19.2% A 0.202s 2442 26.7% A 0.232s 3239 35.4% A 0.262s 4143 45.3% A 0.292s 5075 55.4% A 0.323s 5969 65.2% A 0.353s 6753 73.8% A 0.383s 7413 81.0% A 0.413s 7986 87.2% A 0.444s 8447 92.3% A 0.474s 8784 96.0% A 0.504s 9021 98.5% A 0.534s 9137 99.8% A 0.565s 9154 100.0% B 0.020s 2 0.0% B 0.050s 120 1.3% B 0.081s 388 4.2% B 0.111s 741 8.1% B 0.141s 1218 13.3% B 0.171s 1794 19.6% B 0.201s 2490 27.2% B 0.232s 3295 36.0% B 0.262s 4200 45.9% B 0.292s 5134 56.1% B 0.323s 6015 65.7% B 0.353s 6794 74.2% B 0.383s 7460 81.5% B 0.413s 8017 87.6% B 0.443s 8458 92.4% B 0.474s 8805 96.2% B 0.504s 9024 98.6% B 0.534s 9141 99.9% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9041 98.8% A 0.081s 8769 95.8% A 0.111s 8409 91.9% A 0.141s 7941 86.7% A 0.172s 7360 80.4% A 0.202s 6667 72.8% A 0.232s 5867 64.1% A 0.262s 4953 54.1% A 0.293s 4006 43.8% A 0.323s 3140 34.3% A 0.353s 2364 25.8% A 0.383s 1691 18.5% A 0.414s 1130 12.3% A 0.444s 679 7.4% A 0.474s 349 3.8% A 0.504s 125 1.4% A 0.535s 13 0.1% A 0.565s 2 0.0% B 0.020s 9141 99.9% B 0.051s 9010 98.4% B 0.081s 8761 95.7% B 0.111s 8407 91.8% B 0.141s 7935 86.7% B 0.171s 7358 80.4% B 0.202s 6662 72.8% B 0.232s 5865 64.1% B 0.262s 4951 54.1% B 0.292s 4053 44.3% B 0.323s 3160 34.5% B 0.353s 2394 26.2% B 0.383s 1702 18.6% B 0.413s 1146 12.5% B 0.443s 698 7.6% B 0.474s 355 3.9% B 0.504s 131 1.4% B 0.534s 15 0.2% B 0.565s 2 0.0% A 0 0.0mm 15 N F R | B 2 0.1mm 15 N F R