CHL Preflight Night 61316
Executing preflight for 61316 at Fri Oct 2 20:43:51 -03 2026.
Log can be found in /atlas/obs/04/61316/preflight.dat.
Setting donefile '/atlas/obs/04/61316/preflight_complete.20261002234351.30411' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261002234351.30411.
Fri Oct 2 20:43:51 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Oct 2 20:43:51 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [6c737b64-3821-4103-92e3-5f88422eb055;1800]
Fri Oct 2 20:43:51 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Oct 2 20:43:52 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Oct 2 20:43:52 -03 2026 [elapsed=1 sec] auxcam is disabled.
Fri Oct 2 20:43:52 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Oct 2 20:43:52 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1790984630
OK
Fri Oct 2 20:43:52 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Oct 2 20:43:52 -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 Oct 2 20:43:54 -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 Oct 2 20:43:54 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Oct 2 20:43:54 -03 2026 [elapsed=3 sec] CLOCKS
admin: Fri Oct 2 23:43:54 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 64 1024 377 0.290 -0.920 0.310
+10.0.11.4 .GPS. 1 u 783 1024 377 0.694 -0.673 1.408
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 29.88.99.4 2 u 886 1024 377 222.955 -8.227 1.026
-185.125.190.58 29.88.99.4 2 u 615 1024 377 230.815 -11.395 1.497
-185.125.190.56 145.238.80.80 2 u 1028 1024 377 222.926 -7.407 1.229
+alphyn.canonica 132.163.96.1 2 u 900 1024 377 153.522 -3.480 1.685
Fri Oct 2 20:43:55 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (8233GB)
200GB available in /atlas/red...OK (11438GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 2.4T 7.9T 24% /
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/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/loop1 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 2.8T 11T 21% /
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
Fri Oct 2 20:43:55 -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
Fri Oct 2 20:43:55 -03 2026 [elapsed=4 sec] Disabling mount tracking.
Fri Oct 2 20:43:55 -03 2026 [elapsed=4 sec] SERVICES2
Fri Oct 2 20:43:55 -03 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Oct 2 20:43:59 -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= 914kB time=00:00:29.24 bitrate= 256.0kbits/s speed=1.59e+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
Fri Oct 2 20:46:51 -03 2026 [elapsed=180 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: 295.60 -27.58, az/alt=324.65 +86.49 idle(e) IDLE
Fri Oct 2 20:47:48 -03 2026 [elapsed=237 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Oct 2 20:48:10 -03 2026 [elapsed=259 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=724/0 spi=45.9 IDLE
Fri Oct 2 20:48:10 -03 2026 [elapsed=259 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 (-54.6C)
Checking CCD plane: Z0=-192.00 DZDX=+463.00 DZDY=-414.00
acam: -55C CCD TEC ION e=30.0s d=0.6s N=724 IDLE
Fri Oct 2 20:48:10 -03 2026 [elapsed=259 sec] WEATHER
status weather: C+ 15.2C 43% 2/3kph@253 DP13.7C/23C/d IDLE
...OK
Fri Oct 2 20:48:11 -03 2026 [elapsed=260 sec] MET
status...OK
met: c=Y o=N Ro1d Cx24 Wo1d Ho1d To1d Do1d wait C IDLE
Fri Oct 2 20:48:11 -03 2026 [elapsed=260 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Oct 2 20:48:11 -03 2026 [elapsed=260 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 324.27 -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 8 0.1%
A 0.051s 111 1.2%
A 0.081s 383 4.2%
A 0.111s 725 7.9%
A 0.142s 1203 13.1%
A 0.172s 1773 19.4%
A 0.202s 2464 26.9%
A 0.232s 3263 35.6%
A 0.263s 4164 45.5%
A 0.293s 5109 55.8%
A 0.323s 5981 65.3%
A 0.354s 6782 74.1%
A 0.384s 7436 81.2%
A 0.414s 8011 87.5%
A 0.444s 8458 92.4%
A 0.475s 8794 96.1%
A 0.505s 9029 98.6%
A 0.535s 9142 99.9%
A 0.566s 9160 100.0%
B 0.020s 2 0.0%
B 0.050s 97 1.1%
B 0.081s 382 4.2%
B 0.111s 747 8.2%
B 0.141s 1192 13.0%
B 0.171s 1778 19.4%
B 0.202s 2469 27.0%
B 0.232s 3282 35.9%
B 0.262s 4169 45.5%
B 0.292s 5113 55.9%
B 0.323s 5994 65.5%
B 0.353s 6780 74.1%
B 0.383s 7432 81.2%
B 0.413s 8011 87.5%
B 0.444s 8459 92.4%
B 0.474s 8793 96.1%
B 0.504s 9030 98.6%
B 0.534s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.051s 9056 98.9%
A 0.081s 8772 95.8%
A 0.111s 8428 92.1%
A 0.141s 7967 87.0%
A 0.172s 7371 80.5%
A 0.202s 6688 73.1%
A 0.232s 5898 64.4%
A 0.262s 4982 54.4%
A 0.292s 4083 44.6%
A 0.323s 3193 34.9%
A 0.353s 2379 26.0%
A 0.383s 1735 19.0%
A 0.414s 1153 12.6%
A 0.444s 704 7.7%
A 0.474s 355 3.9%
A 0.505s 129 1.4%
A 0.535s 12 0.1%
A 0.565s -6 0.0%
B 0.020s 9149 99.9%
B 0.050s 9040 98.8%
B 0.081s 8772 95.8%
B 0.111s 8421 92.0%
B 0.141s 7960 87.0%
B 0.172s 7379 80.6%
B 0.202s 6688 73.1%
B 0.232s 5899 64.4%
B 0.262s 4989 54.5%
B 0.293s 4036 44.1%
B 0.323s 3169 34.6%
B 0.353s 2372 25.9%
B 0.384s 1697 18.5%
B 0.414s 1136 12.4%
B 0.444s 674 7.4%
B 0.475s 349 3.8%
B 0.505s 120 1.3%
B 0.535s 3 0.0%
A 0 0.0mm 15 N F R | B -5 -0.2mm 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 0.534 seconds.
Shutter A closed to 0.0 percent in 0.565 seconds.
Shutter B closed to 0.0 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.21e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9862 IDLE
Fri Oct 2 20:48:47 -03 2026 [elapsed=296 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=724/0 spi=45.9 IDLE
taking preflight exposures:
acam...OK
acam image:
155M Oct 2 20:49 /atlas/obs/04a/61316/04a61316e0002c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Oct 2 20:49:09 -03 2026 [elapsed=318 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (80 seconds old)
OTA humidity level...OK (8%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Oct 2 20:49:09 -03 2026 [elapsed=318 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61315.99247798|info|galildriver|using focus model: foc=9830+(3.50)*15.2+(-0.35)*60.2=9862.1
61315.99248265|info|galildriver|c 4 IN | cass: 9140485 45.70 mm b=23 move=NO | arm: 409734 477.00 mm b=03 move=OK | foc: 53278263 9863 um b=0f [cmd]
bestfocus for c...OK
Fri Oct 2 20:49:11 -03 2026 [elapsed=320 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Oct 2 20:49:40 -03 2026 [elapsed=349 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 Oct 2 20:49:41 -03 2026 [elapsed=350 sec] Happy observing!
Fri Oct 2 20:49:41 -03 2026 [elapsed=350 sec] Preflight took 350 seconds to complete.
Fri Oct 2 20:49:41 -03 2026 [elapsed=350 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 108 1.2% A 0.081s 374 4.1% A 0.111s 723 7.9% A 0.141s 1181 12.9% A 0.171s 1761 19.2% A 0.202s 2441 26.7% A 0.232s 3239 35.4% A 0.262s 4144 45.3% A 0.292s 5073 55.4% A 0.322s 5970 65.2% A 0.353s 6752 73.8% A 0.383s 7414 81.0% A 0.413s 7987 87.3% A 0.443s 8433 92.1% A 0.473s 8775 95.9% A 0.504s 9016 98.5% A 0.534s 9135 99.8% A 0.564s 9155 100.0% B 0.020s 1 0.0% B 0.050s 113 1.2% B 0.080s 379 4.1% B 0.111s 728 8.0% B 0.141s 1202 13.1% B 0.171s 1773 19.4% B 0.201s 2467 26.9% B 0.232s 3267 35.7% B 0.262s 4166 45.5% B 0.292s 5104 55.8% B 0.323s 5988 65.4% B 0.353s 6771 74.0% B 0.383s 7439 81.3% B 0.413s 8000 87.4% B 0.444s 8457 92.4% B 0.474s 8796 96.1% B 0.504s 9024 98.6% B 0.534s 9139 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.050s 9050 98.9% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7975 87.1% A 0.171s 7402 80.9% A 0.201s 6715 73.4% A 0.232s 5923 64.7% A 0.262s 5013 54.8% A 0.292s 4067 44.4% A 0.322s 3194 34.9% A 0.352s 2409 26.3% A 0.383s 1732 18.9% A 0.413s 1162 12.7% A 0.443s 704 7.7% A 0.473s 367 4.0% A 0.504s 130 1.4% A 0.534s 15 0.2% A 0.564s 2 0.0% B 0.020s 9142 99.9% B 0.051s 9015 98.5% B 0.081s 8763 95.7% B 0.111s 8410 91.9% B 0.141s 7936 86.7% B 0.172s 7358 80.4% B 0.202s 6667 72.8% B 0.232s 5867 64.1% B 0.262s 4953 54.1% B 0.293s 4023 43.9% B 0.323s 3137 34.3% B 0.353s 2372 25.9% B 0.383s 1681 18.4% B 0.414s 1129 12.3% B 0.444s 686 7.5% B 0.474s 345 3.8% B 0.504s 127 1.4% B 0.534s 12 0.1% B 0.565s -1 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R