CHL Preflight Night 61071
Executing preflight for 61071 at Fri Jan 30 19:45:30 -03 2026.
Log can be found in /atlas/obs/04/61071/preflight.dat.
Setting donefile '/atlas/obs/04/61071/preflight_complete.20260130224530.22499' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260130224530.22499.
Fri Jan 30 19:45:30 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Jan 30 19:45:30 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [6640d933-22dc-452e-b228-1e5986afd7b8;1800]
Fri Jan 30 19:45:30 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Jan 30 19:45:31 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Jan 30 19:45:32 -03 2026 [elapsed=2 sec] auxcam is disabled.
Fri Jan 30 19:45:32 -03 2026 [elapsed=2 sec] Skipping auxcam.
error: unknown module: vent
Fri Jan 30 19:45:32 -03 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1769813127
OK
Fri Jan 30 19:45:32 -03 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Fri Jan 30 19:45:32 -03 2026 [elapsed=2 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 Jan 30 19:45:33 -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 Jan 30 19:45:34 -03 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Fri Jan 30 19:45:34 -03 2026 [elapsed=4 sec] CLOCKS
admin: Fri Jan 30 22:45:34 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 403 1024 377 0.325 -0.396 0.761
*10.0.11.4 .GPS. 1 u 976 1024 377 0.580 -0.196 0.828
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 194.121.207.249 2 u 489 1024 367 223.473 -8.511 1.214
-185.125.190.58 183.160.133.132 2 u 720 1024 377 226.825 -9.575 0.887
+alphyn.canonica 132.163.96.1 2 u 707 1024 377 156.375 -5.377 1.079
-185.125.190.56 194.121.207.249 2 u 902 1024 377 223.106 -7.682 1.169
Fri Jan 30 19:45:35 -03 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5424GB)
200GB available in /atlas/red...OK (9367GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 5.1T 5.2T 50% /
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 36G 36% /
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 4.8T 9.0T 35% /
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 433G 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
Fri Jan 30 19:45:35 -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
Fri Jan 30 19:45:35 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Fri Jan 30 19:45:35 -03 2026 [elapsed=5 sec] SERVICES2
Fri Jan 30 19:45:35 -03 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Jan 30 19:45:39 -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= 912kB time=00:00:29.18 bitrate= 256.0kbits/s speed=1.53e+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/OPEN (0%) IDLE
Fri Jan 30 19:48:30 -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: 39.52 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Fri Jan 30 19:49:36 -03 2026 [elapsed=246 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Jan 30 19:50:01 -03 2026 [elapsed=271 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Fri Jan 30 19:50:01 -03 2026 [elapsed=271 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 (-53.0C)
Checking CCD plane: Z0=-200.00 DZDX=+466.00 DZDY=-408.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Jan 30 19:50:01 -03 2026 [elapsed=271 sec] WEATHER
status weather: C 27.5C 37% 6/12kph@19 DP11.2C/-206C/d IDLE
...OK
Fri Jan 30 19:50:02 -03 2026 [elapsed=272 sec] MET
status...OK
met: c=N o=Y Ro3d Co3d Wo44d Ho44d To44d Do4d IDLE
Fri Jan 30 19:50:02 -03 2026 [elapsed=272 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Jan 30 19:50:04 -03 2026 [elapsed=274 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 68.20 -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 -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 0.050s 120 1.3%
A 0.081s 403 4.4%
A 0.111s 744 8.1%
A 0.141s 1219 13.3%
A 0.172s 1794 19.6%
A 0.202s 2488 27.2%
A 0.232s 3289 35.9%
A 0.263s 4195 45.8%
A 0.293s 5141 56.2%
A 0.323s 6012 65.7%
A 0.353s 6800 74.3%
A 0.384s 7452 81.4%
A 0.414s 8028 87.7%
A 0.444s 8470 92.5%
A 0.474s 8805 96.2%
A 0.504s 9035 98.7%
A 0.535s 9142 99.9%
A 0.565s 9157 100.0%
B 0.020s 1 0.0%
B 0.051s 84 0.9%
B 0.081s 367 4.0%
B 0.111s 724 7.9%
B 0.142s 1175 12.8%
B 0.172s 1763 19.3%
B 0.202s 2447 26.7%
B 0.232s 3227 35.3%
B 0.263s 4142 45.2%
B 0.293s 5114 55.9%
B 0.324s 5994 65.5%
B 0.354s 6781 74.1%
B 0.384s 7429 81.2%
B 0.415s 8010 87.5%
B 0.445s 8459 92.4%
B 0.475s 8790 96.0%
B 0.505s 9032 98.7%
B 0.536s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9153 100.0%
A 0.051s 9054 98.9%
A 0.081s 8771 95.8%
A 0.111s 8426 92.0%
A 0.142s 7956 86.9%
A 0.172s 7376 80.6%
A 0.202s 6691 73.1%
A 0.233s 5897 64.4%
A 0.263s 4980 54.4%
A 0.293s 4052 44.3%
A 0.323s 3165 34.6%
A 0.354s 2378 26.0%
A 0.384s 1717 18.8%
A 0.414s 1142 12.5%
A 0.445s 704 7.7%
A 0.475s 357 3.9%
A 0.505s 128 1.4%
A 0.535s 12 0.1%
A 0.566s -3 0.0%
B 0.020s 9148 99.9%
B 0.051s 9038 98.7%
B 0.081s 8761 95.7%
B 0.111s 8404 91.8%
B 0.142s 7941 86.7%
B 0.172s 7358 80.4%
B 0.202s 6663 72.8%
B 0.233s 5871 64.1%
B 0.263s 4959 54.2%
B 0.294s 4005 43.8%
B 0.324s 3141 34.3%
B 0.354s 2351 25.7%
B 0.384s 1699 18.6%
B 0.420s 1136 12.4%
B 0.450s 601 6.6%
B 0.480s 300 3.3%
B 0.511s 89 1.0%
B 0.541s -1 0.0%
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 0.565 seconds.
Shutter B opened to 99.9 percent in 0.536 seconds.
Shutter A closed to 0.0 percent in 0.566 seconds.
Shutter B closed to 0.0 percent in 0.541 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 226kB time=00:00:07.23 bitrate= 256.1kbits/s speed=1.15e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9905 IDLE
Fri Jan 30 19:50:42 -03 2026 [elapsed=312 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Jan 30 19:51 /atlas/obs/04a/61071/04a61071e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Jan 30 19:51:05 -03 2026 [elapsed=335 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (49 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Jan 30 19:51:05 -03 2026 [elapsed=335 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61070.95214957|info|galildriver|using focus model: foc=9830+(3.50)*26.6+(-0.35)*60.3=9902.0
61070.95215459|info|galildriver|o 3 IN | cass: 6104181 30.52 mm b=23 move=NO | arm: 407159 474.00 mm b=03 move=OK | foc: 53269834 9905 um b=8f M [focus]
61070.95216474|info|galildriver|o 3 IN | cass: 6104179 30.52 mm b=23 move=NO | arm: 407159 474.00 mm b=03 move=OK | foc: 53270178 9903 um b=0f [cmd]
bestfocus for o...OK
Fri Jan 30 19:51:08 -03 2026 [elapsed=338 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Jan 30 19:51:41 -03 2026 [elapsed=371 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 Jan 30 19:51:42 -03 2026 [elapsed=372 sec] Happy observing!
Fri Jan 30 19:51:42 -03 2026 [elapsed=372 sec] Preflight took 372 seconds to complete.
Fri Jan 30 19:51:42 -03 2026 [elapsed=372 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 116 1.3% A 0.081s 383 4.2% A 0.111s 731 8.0% A 0.141s 1198 13.1% A 0.171s 1780 19.4% A 0.202s 2466 26.9% A 0.232s 3265 35.7% A 0.262s 4174 45.6% A 0.293s 5108 55.8% A 0.323s 5991 65.4% A 0.353s 6779 74.1% A 0.383s 7432 81.2% A 0.414s 8008 87.5% A 0.444s 8458 92.4% A 0.474s 8788 96.0% A 0.504s 9028 98.6% A 0.534s 9138 99.8% A 0.565s 9151 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 380 4.2% B 0.111s 728 8.0% B 0.141s 1203 13.1% B 0.172s 1773 19.4% B 0.202s 2465 26.9% B 0.232s 3268 35.7% B 0.262s 4168 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 8001 87.4% B 0.444s 8457 92.4% B 0.474s 8795 96.1% B 0.504s 9024 98.6% B 0.534s 9138 99.8% B 0.565s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9149 99.9% A 0.050s 9045 98.8% A 0.081s 8774 95.8% A 0.111s 8422 92.0% A 0.141s 7959 86.9% A 0.171s 7378 80.6% A 0.202s 6687 73.1% A 0.232s 5896 64.4% A 0.262s 4975 54.3% A 0.292s 4037 44.1% A 0.323s 3166 34.6% A 0.353s 2379 26.0% A 0.383s 1716 18.7% A 0.413s 1143 12.5% A 0.444s 692 7.6% A 0.474s 359 3.9% A 0.504s 124 1.4% A 0.534s 14 0.2% A 0.565s 3 0.0% B 0.020s 9143 99.9% B 0.050s 9017 98.5% B 0.081s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7951 86.9% B 0.171s 7377 80.6% B 0.202s 6687 73.1% B 0.232s 5892 64.4% B 0.262s 4980 54.4% B 0.293s 4053 44.3% B 0.323s 3162 34.5% B 0.353s 2391 26.1% B 0.383s 1705 18.6% B 0.414s 1147 12.5% B 0.444s 699 7.6% B 0.474s 356 3.9% B 0.504s 131 1.4% B 0.534s 16 0.2% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R