CHL Preflight Night 61063
Executing preflight for 61063 at Thu Jan 22 19:49:24 -03 2026.
Log can be found in /atlas/obs/04/61063/preflight.dat.
Setting donefile '/atlas/obs/04/61063/preflight_complete.20260122224924.22499' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260122224924.22499.
Thu Jan 22 19:49:25 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Jan 22 19:49:25 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [7312ac3a-52ad-4342-adb6-8d10136d3fbd;1800]
Thu Jan 22 19:49:25 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Thu Jan 22 19:49:26 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Thu Jan 22 19:49:26 -03 2026 [elapsed=1 sec] auxcam is disabled.
Thu Jan 22 19:49:26 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Jan 22 19:49:26 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1769122156
OK
Thu Jan 22 19:49:26 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Jan 22 19:49:26 -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 Jan 22 19:49:27 -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
Thu Jan 22 19:49:28 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Jan 22 19:49:28 -03 2026 [elapsed=3 sec] CLOCKS
admin: Thu Jan 22 22:49:28 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 37 1024 377 0.335 -0.490 0.553
+10.0.11.4 .GPS. 1 u 1003 1024 377 0.575 0.145 0.179
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+185.125.190.57 194.121.207.249 2 u 821 1024 377 206.168 -0.266 1.293
-185.125.190.58 183.160.133.132 2 u 1010 1024 377 207.054 0.049 1.369
-alphyn.canonica 132.163.96.1 2 u 658 1024 377 148.978 1.790 1.831
-185.125.190.56 194.121.207.249 2 u 1649 1024 376 206.531 0.194 0.671
Thu Jan 22 19:49:29 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (5298GB)
200GB available in /atlas/red...OK (9256GB)
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 8.9T 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 432G 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 900G 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 690G 13T 6% /
proc4:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc4:/dev/loop2 105M 105M 0 100% /snap/core/17272
Thu Jan 22 19:49:29 -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
Thu Jan 22 19:49:29 -03 2026 [elapsed=4 sec] Disabling mount tracking.
Thu Jan 22 19:49:29 -03 2026 [elapsed=4 sec] SERVICES2
Thu Jan 22 19:49:29 -03 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Jan 22 19:49:33 -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=1.54e+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 Jan 22 19:52:20 -03 2026 [elapsed=175 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: 32.60 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Thu Jan 22 19:53:27 -03 2026 [elapsed=242 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Jan 22 19:53:51 -03 2026 [elapsed=266 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.5 IDLE
Thu Jan 22 19:53:51 -03 2026 [elapsed=266 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (1 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.1C)
Checking CCD plane: Z0=-199.00 DZDX=+465.00 DZDY=-408.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Jan 22 19:53:51 -03 2026 [elapsed=266 sec] WEATHER
status weather: C 26.7C 39% 8/15kph@300 DP13.5C/-56C/d IDLE
...OK
Thu Jan 22 19:53:52 -03 2026 [elapsed=267 sec] MET
status...OK
met: c=N o=Y Ro2d Co13d Wo36d Ho36d To36d Do14d IDLE
Thu Jan 22 19:53:52 -03 2026 [elapsed=267 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Jan 22 19:53:52 -03 2026 [elapsed=267 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 61.27 -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 -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 8 0.1%
A 0.051s 122 1.3%
A 0.081s 400 4.4%
A 0.111s 742 8.1%
A 0.141s 1218 13.3%
A 0.172s 1794 19.6%
A 0.202s 2489 27.2%
A 0.232s 3294 36.0%
A 0.263s 4195 45.8%
A 0.293s 5137 56.1%
A 0.323s 6010 65.7%
A 0.354s 6804 74.3%
A 0.384s 7453 81.4%
A 0.414s 8029 87.7%
A 0.445s 8467 92.5%
A 0.475s 8802 96.2%
A 0.505s 9034 98.7%
A 0.536s 9140 99.8%
A 0.566s 9156 100.0%
B 0.020s 1 0.0%
B 0.051s 87 1.0%
B 0.081s 377 4.1%
B 0.111s 736 8.0%
B 0.142s 1191 13.0%
B 0.172s 1782 19.5%
B 0.202s 2492 27.2%
B 0.233s 3281 35.8%
B 0.263s 4202 45.9%
B 0.293s 5142 56.2%
B 0.324s 6021 65.8%
B 0.354s 6802 74.3%
B 0.384s 7450 81.4%
B 0.415s 8027 87.7%
B 0.445s 8470 92.5%
B 0.475s 8801 96.1%
B 0.506s 9037 98.7%
B 0.536s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9047 98.8%
A 0.081s 8759 95.7%
A 0.112s 8414 91.9%
A 0.142s 7940 86.7%
A 0.172s 7357 80.4%
A 0.203s 6639 72.5%
A 0.233s 5840 63.8%
A 0.264s 4921 53.8%
A 0.294s 3997 43.7%
A 0.325s 3110 34.0%
A 0.355s 2332 25.5%
A 0.385s 1675 18.3%
A 0.416s 1110 12.1%
A 0.446s 680 7.4%
A 0.476s 331 3.6%
A 0.506s 121 1.3%
A 0.537s 8 0.1%
B 0.020s 9149 99.9%
B 0.050s 9043 98.8%
B 0.081s 8772 95.8%
B 0.111s 8418 92.0%
B 0.141s 7962 87.0%
B 0.172s 7378 80.6%
B 0.202s 6686 73.0%
B 0.233s 5900 64.5%
B 0.263s 4991 54.5%
B 0.293s 4034 44.1%
B 0.323s 3169 34.6%
B 0.354s 2374 25.9%
B 0.384s 1717 18.8%
B 0.414s 1154 12.6%
B 0.445s 685 7.5%
B 0.475s 351 3.8%
B 0.506s 122 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 0.566 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.1 percent in 0.537 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=1.23e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9900 IDLE
Thu Jan 22 19:54:28 -03 2026 [elapsed=303 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.5 IDLE
taking preflight exposures:
acam...OK
acam image:
155M Jan 22 19:54 /atlas/obs/04a/61063/04a61063e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Jan 22 19:54:50 -03 2026 [elapsed=325 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (4 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Jan 22 19:54:50 -03 2026 [elapsed=325 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61062.95475410|info|galildriver|using focus model: foc=9830+(3.50)*25.9+(-0.35)*60.2=9899.6
61062.95475877|info|galildriver|c 4 IN | cass: 9134532 45.67 mm b=23 move=NO | arm: 407033 473.85 mm b=03 move=OK | foc: 53270681 9901 um b=0f [cmd]
bestfocus for c...OK
Thu Jan 22 19:54:51 -03 2026 [elapsed=326 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Jan 22 19:55:25 -03 2026 [elapsed=360 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 Jan 22 19:55:26 -03 2026 [elapsed=361 sec] Happy observing!
Thu Jan 22 19:55:26 -03 2026 [elapsed=361 sec] Preflight took 361 seconds to complete.
Thu Jan 22 19:55:26 -03 2026 [elapsed=361 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 0.050s 110 1.2% A 0.081s 374 4.1% A 0.111s 718 7.8% A 0.141s 1181 12.9% A 0.171s 1760 19.2% A 0.202s 2441 26.7% A 0.232s 3238 35.4% A 0.262s 4144 45.3% A 0.292s 5076 55.5% A 0.322s 5963 65.1% A 0.353s 6756 73.8% A 0.383s 7411 81.0% A 0.413s 7991 87.3% A 0.444s 8445 92.3% A 0.474s 8779 95.9% A 0.504s 9025 98.6% A 0.535s 9137 99.8% A 0.565s 9151 100.0% B 0.020s 2 0.0% B 0.050s 104 1.1% B 0.081s 371 4.1% B 0.111s 715 7.8% B 0.141s 1186 13.0% B 0.171s 1754 19.2% B 0.202s 2443 26.7% B 0.232s 3239 35.4% B 0.262s 4136 45.2% B 0.292s 5074 55.4% B 0.323s 5962 65.1% B 0.353s 6749 73.7% B 0.383s 7419 81.0% B 0.413s 7985 87.2% B 0.444s 8442 92.2% B 0.474s 8786 96.0% B 0.504s 9018 98.5% B 0.535s 9135 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9040 98.8% A 0.081s 8767 95.8% A 0.111s 8413 91.9% A 0.141s 7944 86.8% A 0.172s 7358 80.4% A 0.202s 6666 72.8% A 0.232s 5869 64.1% A 0.262s 4946 54.0% A 0.293s 4011 43.8% A 0.323s 3139 34.3% A 0.353s 2358 25.8% A 0.383s 1695 18.5% A 0.414s 1126 12.3% A 0.444s 680 7.4% A 0.474s 349 3.8% A 0.504s 119 1.3% A 0.535s 13 0.1% A 0.565s 2 0.0% B 0.020s 9146 99.9% B 0.050s 9023 98.6% B 0.081s 8780 95.9% B 0.111s 8434 92.1% B 0.141s 7968 87.0% B 0.171s 7398 80.8% B 0.201s 6712 73.3% B 0.232s 5921 64.7% B 0.262s 5012 54.8% B 0.292s 4081 44.6% B 0.322s 3191 34.9% B 0.353s 2417 26.4% B 0.383s 1726 18.9% B 0.413s 1178 12.9% B 0.443s 726 7.9% B 0.474s 365 4.0% B 0.504s 144 1.6% B 0.534s 18 0.2% B 0.565s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R