CHL Preflight Night 61056
Executing preflight for 61056 at Thu Jan 15 19:51:22 -03 2026.
Log can be found in /atlas/obs/04/61056/preflight.dat.
Setting donefile '/atlas/obs/04/61056/preflight_complete.20260115225122.23399' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260115225122.23399.
Thu Jan 15 19:51:22 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Thu Jan 15 19:51:23 -03 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [192e27a3-1dfb-4fb2-8fd3-89d120fa9844;1800]
Thu Jan 15 19:51:23 -03 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Thu Jan 15 19:51:23 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Thu Jan 15 19:51:23 -03 2026 [elapsed=1 sec] auxcam is disabled.
Thu Jan 15 19:51:23 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Thu Jan 15 19:51:23 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1768517481
OK
Thu Jan 15 19:51:23 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Thu Jan 15 19:51:23 -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 15 19:51:25 -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 Jan 15 19:51:25 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Thu Jan 15 19:51:25 -03 2026 [elapsed=3 sec] CLOCKS
admin: Thu Jan 15 22:51:25 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 239 1024 377 0.273 0.267 0.076
+10.0.11.4 .GPS. 1 u 447 1024 377 0.523 0.421 0.075
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 194.121.207.249 2 u 165 1024 377 206.381 -0.042 1.040
-185.125.190.58 183.160.133.132 2 u 135 1024 377 206.818 0.118 0.780
-alphyn.canonica 132.163.96.1 2 u 585 1024 377 160.472 -3.672 1.148
+185.125.190.56 194.121.207.249 2 u 76 1024 377 208.252 -0.376 0.829
Thu Jan 15 19:51:27 -03 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5272GB)
200GB available in /atlas/red...OK (9219GB)
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 8.8T 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 15 19:51:27 -03 2026 [elapsed=5 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 15 19:51:27 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Thu Jan 15 19:51:27 -03 2026 [elapsed=5 sec] SERVICES2
Thu Jan 15 19:51:27 -03 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Thu Jan 15 19:51:31 -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=1.62e+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 15 19:54:51 -03 2026 [elapsed=209 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: 26.33 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Thu Jan 15 19:55:58 -03 2026 [elapsed=276 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Thu Jan 15 19:56:22 -03 2026 [elapsed=300 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.3 IDLE
Thu Jan 15 19:56:22 -03 2026 [elapsed=300 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 (-53.2C)
Checking CCD plane: Z0=-199.00 DZDX=+464.00 DZDY=-410.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Thu Jan 15 19:56:22 -03 2026 [elapsed=300 sec] WEATHER
status weather: C 27.3C 25% 23/29kph@273 DP21.5C/-26C/d IDLE
...OK
Thu Jan 15 19:56:23 -03 2026 [elapsed=301 sec] MET
status...OK
met: c=N o=Y Ro29d Co6d Wo29d Ho29d To29d Do7d IDLE
Thu Jan 15 19:56:23 -03 2026 [elapsed=301 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Thu Jan 15 19:56:23 -03 2026 [elapsed=301 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 55.01 -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 -2 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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.051s 110 1.2%
A 0.081s 391 4.3%
A 0.111s 731 8.0%
A 0.141s 1202 13.1%
A 0.172s 1776 19.4%
A 0.202s 2466 26.9%
A 0.232s 3263 35.6%
A 0.263s 4159 45.4%
A 0.293s 5110 55.8%
A 0.323s 5987 65.4%
A 0.354s 6779 74.1%
A 0.384s 7431 81.2%
A 0.414s 8008 87.5%
A 0.445s 8457 92.4%
A 0.475s 8795 96.1%
A 0.505s 9030 98.6%
A 0.536s 9140 99.8%
A 0.566s 9157 100.0%
B 0.020s 2 0.0%
B 0.051s 94 1.0%
B 0.081s 389 4.2%
B 0.111s 749 8.2%
B 0.141s 1207 13.2%
B 0.172s 1805 19.7%
B 0.202s 2492 27.2%
B 0.233s 3280 35.8%
B 0.263s 4202 45.9%
B 0.293s 5143 56.2%
B 0.324s 6049 66.1%
B 0.354s 6824 74.5%
B 0.384s 7467 81.6%
B 0.415s 8044 87.9%
B 0.445s 8483 92.7%
B 0.475s 8799 96.1%
B 0.505s 9042 98.8%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.050s 9044 98.8%
A 0.081s 8760 95.7%
A 0.111s 8414 91.9%
A 0.141s 7940 86.7%
A 0.172s 7359 80.4%
A 0.202s 6668 72.8%
A 0.232s 5869 64.1%
A 0.263s 4947 54.0%
A 0.293s 4024 44.0%
A 0.323s 3138 34.3%
A 0.354s 2335 25.5%
A 0.384s 1697 18.5%
A 0.414s 1106 12.1%
A 0.445s 677 7.4%
A 0.475s 340 3.7%
A 0.505s 118 1.3%
A 0.536s 9 0.1%
B 0.020s 9149 99.9%
B 0.051s 9038 98.7%
B 0.081s 8771 95.8%
B 0.112s 8417 91.9%
B 0.142s 7959 86.9%
B 0.172s 7377 80.6%
B 0.203s 6687 73.1%
B 0.233s 5898 64.4%
B 0.263s 4989 54.5%
B 0.293s 4035 44.1%
B 0.324s 3167 34.6%
B 0.354s 2374 25.9%
B 0.384s 1718 18.8%
B 0.415s 1136 12.4%
B 0.445s 674 7.4%
B 0.475s 360 3.9%
B 0.506s 121 1.3%
B 0.536s 6 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= 228kB time=00:00:07.29 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 15 19:57:01 -03 2026 [elapsed=339 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.3 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Jan 15 19:57 /atlas/obs/04a/61056/04a61056e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Thu Jan 15 19:57:23 -03 2026 [elapsed=361 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (67 seconds old)
OTA humidity level...OK (8%)
Dome humidity exists...OK
Dome humidity is current... OK
Thu Jan 15 19:57:23 -03 2026 [elapsed=361 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61055.95652461|info|galildriver|using focus model: foc=9830+(3.50)*25.7+(-0.35)*60.3=9898.9
61055.95652928|info|galildriver|c 4 IN | cass: 9135315 45.68 mm b=23 move=NO | arm: 407033 473.85 mm b=03 move=OK | foc: 53270789 9900 um b=0f [cmd]
bestfocus for c...OK
Thu Jan 15 19:57:25 -03 2026 [elapsed=363 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Thu Jan 15 19:57:58 -03 2026 [elapsed=396 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 15 19:57:59 -03 2026 [elapsed=397 sec] Happy observing!
Thu Jan 15 19:57:59 -03 2026 [elapsed=397 sec] Preflight took 397 seconds to complete.
Thu Jan 15 19:57:59 -03 2026 [elapsed=397 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 0.050s 110 1.2% A 0.081s 372 4.1% A 0.111s 718 7.8% A 0.141s 1180 12.9% A 0.171s 1761 19.2% A 0.201s 2441 26.7% A 0.232s 3238 35.4% A 0.262s 4113 44.9% A 0.292s 5047 55.1% A 0.322s 5935 64.8% A 0.353s 6757 73.8% A 0.383s 7411 81.0% A 0.413s 7974 87.1% A 0.443s 8435 92.1% A 0.473s 8768 95.8% A 0.504s 9017 98.5% A 0.534s 9137 99.8% A 0.564s 9152 100.0% B 0.020s 1 0.0% B 0.050s 114 1.2% B 0.081s 388 4.2% B 0.111s 729 8.0% B 0.141s 1221 13.3% B 0.171s 1773 19.4% B 0.202s 2466 26.9% B 0.232s 3268 35.7% B 0.262s 4169 45.5% B 0.292s 5104 55.8% B 0.323s 5988 65.4% B 0.353s 6770 74.0% B 0.383s 7440 81.3% B 0.413s 8002 87.4% B 0.443s 8455 92.4% B 0.474s 8795 96.1% B 0.504s 9024 98.6% B 0.534s 9138 99.8% B 0.565s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.051s 9047 98.8% A 0.081s 8779 95.9% A 0.111s 8425 92.0% A 0.141s 7960 87.0% A 0.171s 7382 80.6% A 0.202s 6689 73.1% A 0.232s 5899 64.4% A 0.262s 4978 54.4% A 0.292s 4040 44.1% A 0.323s 3169 34.6% A 0.353s 2382 26.0% A 0.383s 1714 18.7% A 0.413s 1144 12.5% A 0.444s 693 7.6% A 0.474s 359 3.9% A 0.505s 125 1.4% A 0.535s 15 0.2% A 0.565s 3 0.0% B 0.020s 9142 99.9% B 0.050s 9010 98.4% B 0.081s 8771 95.8% B 0.111s 8409 91.9% B 0.141s 7934 86.7% B 0.171s 7379 80.6% B 0.202s 6687 73.1% B 0.232s 5865 64.1% B 0.262s 4951 54.1% B 0.293s 4024 44.0% B 0.323s 3135 34.2% B 0.353s 2367 25.9% B 0.384s 1684 18.4% B 0.414s 1132 12.4% B 0.444s 687 7.5% B 0.474s 347 3.8% B 0.505s 127 1.4% B 0.535s 13 0.1% B 0.565s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R