CHL Preflight Night 61088
Executing preflight for 61088 at Mon Feb 16 19:32:10 -03 2026.
Log can be found in /atlas/obs/04/61088/preflight.dat.
Setting donefile '/atlas/obs/04/61088/preflight_complete.20260216223210.6074' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260216223210.6074.
Mon Feb 16 19:32:10 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Feb 16 19:32:10 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [2886480e-5161-4343-a4f4-78ac121dbf53;1800]
Mon Feb 16 19:32:10 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Mon Feb 16 19:32:11 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Mon Feb 16 19:32:11 -03 2026 [elapsed=1 sec] auxcam is disabled.
Mon Feb 16 19:32:11 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Feb 16 19:32:11 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1771281129
OK
Mon Feb 16 19:32:11 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Feb 16 19:32:11 -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
Mon Feb 16 19:32:12 -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
Mon Feb 16 19:32:13 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Feb 16 19:32:13 -03 2026 [elapsed=3 sec] CLOCKS
admin: Mon Feb 16 22:32:13 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 705 1024 377 0.298 0.033 0.238
*10.0.11.4 .GPS. 1 u 838 1024 377 0.609 0.115 0.291
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 194.121.207.249 2 u 993 1024 377 222.158 -8.309 0.909
-185.125.190.58 194.121.207.249 2 u 923 1024 377 224.449 -8.271 4.798
+alphyn.canonica 132.163.96.1 2 u 516 1024 377 154.015 0.226 0.831
-185.125.190.56 79.243.60.50 2 u 251 1024 377 223.202 -7.448 1.195
Mon Feb 16 19:32:14 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (5186GB)
200GB available in /atlas/red...OK (8806GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 5.3T 5.0T 52% /
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 5.3T 8.4T 39% /
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 593G 13T 5% /
proc2:/dev/loop0 105M 105M 0 100% /snap/core/17247
proc2:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc3:/dev/md0p1 15T 901G 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 691G 13T 6% /
proc4:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc4:/dev/loop2 105M 105M 0 100% /snap/core/17272
Mon Feb 16 19:32:14 -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
Mon Feb 16 19:32:14 -03 2026 [elapsed=4 sec] Disabling mount tracking.
Mon Feb 16 19:32:14 -03 2026 [elapsed=4 sec] SERVICES2
Mon Feb 16 19:32:14 -03 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Feb 16 19:32:19 -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=1.6e+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
Mon Feb 16 19:35:34 -03 2026 [elapsed=204 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: 53.04 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Mon Feb 16 19:36:41 -03 2026 [elapsed=271 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Feb 16 19:37:05 -03 2026 [elapsed=295 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.2 IDLE
Mon Feb 16 19:37:05 -03 2026 [elapsed=295 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 (-52.8C)
Checking CCD plane: Z0=-201.00 DZDX=+464.00 DZDY=-408.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Feb 16 19:37:05 -03 2026 [elapsed=295 sec] WEATHER
status weather: clear 30.2C 10% 15/18kph@214 DP33.1C/-74C/d IDLE
...OK
Mon Feb 16 19:37:06 -03 2026 [elapsed=296 sec] MET
status...OK
met: c=N o=Y Ro10d Co9d Wo10d Ho10d To10d Do10d IDLE
Mon Feb 16 19:37:06 -03 2026 [elapsed=296 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Feb 16 19:37:06 -03 2026 [elapsed=296 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 81.71 -12.93, az/alt=59.87 +60.08 tracking(w) IDLE 0s
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 2 0.1mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 9 0.1%
A 0.051s 123 1.3%
A 0.081s 402 4.4%
A 0.111s 740 8.1%
A 0.142s 1218 13.3%
A 0.172s 1792 19.6%
A 0.202s 2491 27.2%
A 0.233s 3295 36.0%
A 0.263s 4195 45.8%
A 0.293s 5137 56.1%
A 0.324s 6009 65.6%
A 0.354s 6802 74.3%
A 0.384s 7456 81.5%
A 0.415s 8028 87.7%
A 0.445s 8467 92.5%
A 0.475s 8802 96.2%
A 0.506s 9038 98.7%
A 0.536s 9139 99.8%
A 0.566s 9154 100.0%
B 0.020s 2 0.0%
B 0.050s 88 1.0%
B 0.081s 376 4.1%
B 0.111s 736 8.0%
B 0.142s 1191 13.0%
B 0.172s 1783 19.5%
B 0.202s 2469 27.0%
B 0.233s 3280 35.8%
B 0.263s 4202 45.9%
B 0.293s 5144 56.2%
B 0.324s 6023 65.8%
B 0.354s 6804 74.3%
B 0.384s 7449 81.4%
B 0.415s 8026 87.7%
B 0.445s 8471 92.5%
B 0.475s 8799 96.1%
B 0.505s 9037 98.7%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9051 98.9%
A 0.081s 8758 95.7%
A 0.111s 8414 91.9%
A 0.141s 7942 86.8%
A 0.172s 7357 80.4%
A 0.202s 6663 72.8%
A 0.233s 5868 64.1%
A 0.263s 4949 54.1%
A 0.293s 4025 44.0%
A 0.324s 3138 34.3%
A 0.354s 2353 25.7%
A 0.384s 1695 18.5%
A 0.415s 1125 12.3%
A 0.445s 692 7.6%
A 0.475s 350 3.8%
A 0.506s 124 1.4%
A 0.536s 11 0.1%
A 0.566s -2 0.0%
B 0.020s 9148 99.9%
B 0.051s 9038 98.7%
B 0.081s 8771 95.8%
B 0.111s 8418 92.0%
B 0.141s 7960 87.0%
B 0.172s 7377 80.6%
B 0.202s 6687 73.1%
B 0.232s 5900 64.5%
B 0.262s 4990 54.5%
B 0.293s 4034 44.1%
B 0.323s 3166 34.6%
B 0.353s 2373 25.9%
B 0.384s 1718 18.8%
B 0.414s 1153 12.6%
B 0.445s 674 7.4%
B 0.475s 351 3.8%
B 0.505s 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 0.0 percent in 0.566 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=o[3] foc=9907 IDLE
Mon Feb 16 19:37:41 -03 2026 [elapsed=331 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.2 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Feb 16 19:37 /atlas/obs/04a/61088/04a61088e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Feb 16 19:38:03 -03 2026 [elapsed=353 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (78 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Feb 16 19:38:04 -03 2026 [elapsed=354 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61087.94310566|info|galildriver|using focus model: foc=9830+(3.50)*28.1+(-0.35)*60.2=9907.3
61087.94311033|info|galildriver|o 3 IN | cass: 6103212 30.52 mm b=23 move=NO | arm: 407159 474.00 mm b=03 move=OK | foc: 53269366 9907 um b=0f [cmd]
bestfocus for o...OK
Mon Feb 16 19:38:04 -03 2026 [elapsed=354 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Feb 16 19:38:37 -03 2026 [elapsed=387 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.
Mon Feb 16 19:38:39 -03 2026 [elapsed=389 sec] Happy observing!
Mon Feb 16 19:38:39 -03 2026 [elapsed=389 sec] Preflight took 389 seconds to complete.
Mon Feb 16 19:38:39 -03 2026 [elapsed=389 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 5 0.1% A 0.050s 122 1.3% A 0.081s 392 4.3% A 0.111s 744 8.1% A 0.141s 1214 13.3% A 0.171s 1801 19.7% A 0.202s 2489 27.2% A 0.232s 3293 36.0% A 0.262s 4205 45.9% A 0.292s 5135 56.1% A 0.323s 6019 65.8% A 0.353s 6802 74.3% A 0.383s 7452 81.4% A 0.413s 8025 87.7% A 0.444s 8458 92.4% A 0.474s 8787 96.0% A 0.504s 9029 98.6% A 0.534s 9139 99.8% A 0.564s 9152 100.0% B 0.020s 0 0.0% B 0.050s 121 1.3% B 0.081s 388 4.2% B 0.111s 741 8.1% B 0.141s 1202 13.1% B 0.171s 1794 19.6% B 0.202s 2467 26.9% B 0.232s 3266 35.7% B 0.262s 4165 45.5% B 0.292s 5133 56.1% B 0.323s 5988 65.4% B 0.353s 6773 74.0% B 0.383s 7438 81.3% B 0.413s 8002 87.4% B 0.444s 8456 92.4% B 0.474s 8796 96.1% B 0.504s 9023 98.6% B 0.534s 9139 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9047 98.8% A 0.081s 8777 95.9% A 0.111s 8426 92.0% A 0.141s 7961 87.0% A 0.171s 7382 80.6% A 0.201s 6688 73.1% A 0.232s 5899 64.4% A 0.262s 4978 54.4% A 0.292s 4039 44.1% A 0.322s 3169 34.6% A 0.353s 2382 26.0% A 0.383s 1735 19.0% A 0.413s 1160 12.7% A 0.443s 706 7.7% A 0.473s 368 4.0% A 0.504s 130 1.4% A 0.534s 17 0.2% A 0.564s 2 0.0% B 0.020s 9147 99.9% B 0.050s 9025 98.6% B 0.081s 8781 95.9% B 0.111s 8422 92.0% B 0.141s 7952 86.9% B 0.172s 7399 80.8% B 0.202s 6715 73.4% B 0.232s 5921 64.7% B 0.262s 5012 54.8% B 0.293s 4082 44.6% B 0.323s 3192 34.9% B 0.353s 2416 26.4% B 0.383s 1723 18.8% B 0.414s 1164 12.7% B 0.444s 712 7.8% B 0.474s 364 4.0% B 0.504s 138 1.5% B 0.535s 15 0.2% B 0.565s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R