CHL Preflight Night 61078
Executing preflight for 61078 at Fri Feb 6 19:40:49 -03 2026.
Log can be found in /atlas/obs/04/61078/preflight.dat.
Setting donefile '/atlas/obs/04/61078/preflight_complete.20260206224049.6074' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260206224049.6074.
Fri Feb 6 19:40:49 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Feb 6 19:40:49 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [79bc2934-631d-43f2-bbac-f323fa11a155;1800]
Fri Feb 6 19:40:49 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Feb 6 19:40:50 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Feb 6 19:40:50 -03 2026 [elapsed=1 sec] auxcam is disabled.
Fri Feb 6 19:40:50 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Feb 6 19:40:50 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1770417645
OK
Fri Feb 6 19:40:50 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Feb 6 19:40:50 -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 Feb 6 19:40:52 -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 Feb 6 19:40:52 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Feb 6 19:40:52 -03 2026 [elapsed=3 sec] CLOCKS
admin: Fri Feb 6 22:40:52 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 402 1024 177 0.259 0.144 0.526
+10.0.11.4 .GPS. 1 u 1023 1024 377 0.550 0.315 0.482
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 194.121.207.249 2 u 278 1024 377 220.085 -7.229 0.621
-185.125.190.58 194.121.207.249 2 u 782 1024 377 218.624 -4.967 1.784
+alphyn.canonica 132.163.96.1 2 u 864 1024 377 156.296 -0.159 1.870
-185.125.190.56 194.121.207.249 2 u 788 1024 377 219.380 -5.157 1.213
Fri Feb 6 19:40:53 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (5319GB)
200GB available in /atlas/red...OK (9234GB)
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 435G 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 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
Fri Feb 6 19:40:54 -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 Feb 6 19:40:54 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Fri Feb 6 19:40:54 -03 2026 [elapsed=5 sec] SERVICES2
Fri Feb 6 19:40:54 -03 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Feb 6 19:40:58 -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= 910kB time=00:00:29.12 bitrate= 256.0kbits/s speed=1.63e+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 Feb 6 19:44:13 -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: 45.35 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Fri Feb 6 19:45:20 -03 2026 [elapsed=271 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Feb 6 19:45:44 -03 2026 [elapsed=295 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.7 IDLE
Fri Feb 6 19:45:44 -03 2026 [elapsed=295 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (3 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-52.9C)
Checking CCD plane: Z0=-200.00 DZDX=+466.00 DZDY=-409.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Feb 6 19:45:44 -03 2026 [elapsed=295 sec] WEATHER
status weather: C 31.0C 23% 3/6kph@288 DP23.8C/6C/d IDLE
...OK
Fri Feb 6 19:45:45 -03 2026 [elapsed=296 sec] MET
status...OK
met: c=N o=N Ro1h Cx0 Wo1h Ho1h To1h Do1h wait C IDLE
Fri Feb 6 19:45:45 -03 2026 [elapsed=296 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Feb 6 19:45:45 -03 2026 [elapsed=296 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 74.02 -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 0 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 8 0.1%
A 0.050s 112 1.2%
A 0.081s 401 4.4%
A 0.111s 730 8.0%
A 0.142s 1219 13.3%
A 0.172s 1792 19.6%
A 0.202s 2492 27.2%
A 0.233s 3294 36.0%
A 0.263s 4194 45.8%
A 0.294s 5165 56.4%
A 0.324s 6037 65.9%
A 0.355s 6828 74.6%
A 0.385s 7474 81.6%
A 0.415s 8043 87.9%
A 0.445s 8479 92.6%
A 0.476s 8811 96.3%
A 0.506s 9039 98.7%
A 0.536s 9140 99.8%
A 0.566s 9155 100.0%
B 0.020s 1 0.0%
B 0.051s 90 1.0%
B 0.081s 377 4.1%
B 0.111s 735 8.0%
B 0.141s 1191 13.0%
B 0.172s 1782 19.5%
B 0.202s 2469 27.0%
B 0.232s 3252 35.5%
B 0.263s 4170 45.6%
B 0.293s 5114 55.9%
B 0.323s 5994 65.5%
B 0.354s 6782 74.1%
B 0.384s 7429 81.2%
B 0.414s 8010 87.5%
B 0.445s 8459 92.4%
B 0.475s 8791 96.0%
B 0.505s 9037 98.7%
B 0.536s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9053 98.9%
A 0.081s 8769 95.8%
A 0.111s 8428 92.1%
A 0.142s 7957 86.9%
A 0.172s 7377 80.6%
A 0.202s 6690 73.1%
A 0.232s 5894 64.4%
A 0.263s 4982 54.4%
A 0.293s 4054 44.3%
A 0.324s 3168 34.6%
A 0.354s 2352 25.7%
A 0.384s 1695 18.5%
A 0.415s 1125 12.3%
A 0.445s 690 7.5%
A 0.475s 350 3.8%
A 0.506s 123 1.3%
A 0.536s 10 0.1%
A 0.567s -3 0.0%
B 0.020s 9147 99.9%
B 0.051s 9039 98.7%
B 0.081s 8772 95.8%
B 0.111s 8417 91.9%
B 0.142s 7960 87.0%
B 0.172s 7377 80.6%
B 0.202s 6685 73.0%
B 0.233s 5900 64.5%
B 0.263s 4990 54.5%
B 0.293s 4034 44.1%
B 0.323s 3167 34.6%
B 0.354s 2352 25.7%
B 0.384s 1717 18.8%
B 0.414s 1136 12.4%
B 0.445s 674 7.4%
B 0.475s 351 3.8%
B 0.505s 121 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 0.0 percent in 0.567 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=1.17e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9906 IDLE
Fri Feb 6 19:46:21 -03 2026 [elapsed=332 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:
156M Feb 6 19:46 /atlas/obs/04a/61078/04a61078e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Feb 6 19:46:43 -03 2026 [elapsed=354 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (57 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Feb 6 19:46:43 -03 2026 [elapsed=354 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61077.94912132|info|galildriver|using focus model: foc=9830+(3.50)*27.2+(-0.35)*60.2=9904.1
61077.94912633|info|galildriver|o 3 IN | cass: 6103245 30.52 mm b=23 move=NO | arm: 407159 474.00 mm b=03 move=OK | foc: 53269499 9907 um b=8f M [focus]
61077.94913649|info|galildriver|o 3 IN | cass: 6103245 30.52 mm b=23 move=NO | arm: 407159 474.00 mm b=03 move=OK | foc: 53269837 9905 um b=0f [cmd]
bestfocus for o...OK
Fri Feb 6 19:46:46 -03 2026 [elapsed=357 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Feb 6 19:47:18 -03 2026 [elapsed=389 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 Feb 6 19:47:20 -03 2026 [elapsed=391 sec] Happy observing!
Fri Feb 6 19:47:20 -03 2026 [elapsed=391 sec] Preflight took 391 seconds to complete.
Fri Feb 6 19:47:20 -03 2026 [elapsed=391 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 109 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 2440 26.7% A 0.232s 3238 35.4% A 0.262s 4144 45.3% A 0.292s 5077 55.5% A 0.323s 5963 65.1% A 0.353s 6757 73.8% A 0.383s 7411 81.0% A 0.414s 7991 87.3% A 0.444s 8446 92.3% A 0.474s 8778 95.9% A 0.504s 9023 98.6% A 0.535s 9137 99.8% A 0.565s 9151 100.0% B 0.020s -1 -0.0% B 0.050s 106 1.2% B 0.081s 370 4.0% B 0.111s 714 7.8% B 0.141s 1184 12.9% B 0.171s 1753 19.2% B 0.201s 2442 26.7% B 0.232s 3239 35.4% B 0.262s 4135 45.2% B 0.292s 5072 55.4% B 0.323s 5961 65.1% B 0.353s 6750 73.7% B 0.383s 7419 81.0% B 0.413s 7985 87.2% B 0.443s 8444 92.2% B 0.474s 8776 95.9% B 0.504s 9018 98.5% B 0.534s 9136 99.8% B 0.564s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9154 100.0% A 0.050s 9044 98.8% A 0.081s 8780 95.9% A 0.111s 8429 92.1% A 0.141s 7965 87.0% A 0.171s 7384 80.7% A 0.202s 6692 73.1% A 0.232s 5902 64.5% A 0.262s 4981 54.4% A 0.292s 4043 44.2% A 0.322s 3171 34.6% A 0.353s 2380 26.0% A 0.383s 1715 18.7% A 0.413s 1145 12.5% A 0.443s 705 7.7% A 0.473s 370 4.0% A 0.504s 130 1.4% A 0.534s 16 0.2% A 0.564s 3 0.0% B 0.020s 9144 99.9% B 0.051s 9017 98.5% B 0.081s 8770 95.8% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.171s 7379 80.6% B 0.202s 6689 73.1% B 0.232s 5893 64.4% B 0.262s 4980 54.4% B 0.292s 4052 44.3% B 0.323s 3164 34.6% B 0.353s 2393 26.1% B 0.383s 1705 18.6% B 0.413s 1161 12.7% B 0.444s 701 7.7% B 0.474s 356 3.9% B 0.504s 138 1.5% B 0.534s 17 0.2% B 0.564s 1 0.0% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R