CHL Preflight Night 61297
Executing preflight for 61297 at Sun Sep 13 18:36:34 -03 2026.
Log can be found in /atlas/obs/04/61297/preflight.dat.
Setting donefile '/atlas/obs/04/61297/preflight_complete.20260913213634.7375' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260913213634.7375.
Sun Sep 13 18:36:34 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sun Sep 13 18:36:34 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [d0943a54-23d7-467f-b328-ae6a71e86efc;1800]
Sun Sep 13 18:36:34 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sun Sep 13 18:36:35 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sun Sep 13 18:36:35 -03 2026 [elapsed=1 sec] auxcam is disabled.
Sun Sep 13 18:36:35 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sun Sep 13 18:36:35 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1789335390
OK
Sun Sep 13 18:36:35 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sun Sep 13 18:36:35 -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
Sun Sep 13 18:36:36 -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
Sun Sep 13 18:36:37 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sun Sep 13 18:36:37 -03 2026 [elapsed=3 sec] CLOCKS
admin: Sun Sep 13 21:36:37 UTC 2026
metbox: 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 362 512 377 0.314 1.207 0.174
+10.0.11.4 .GPS. 1 u 146 512 377 0.675 1.271 0.282
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 411 512 377 159.803 0.812 2.035
-185.125.190.57 29.88.99.4 2 u 961 1024 377 226.869 -8.911 0.751
-185.125.190.56 29.88.99.4 2 u 318 1024 377 222.258 -6.892 2.166
-185.125.190.58 29.88.99.4 2 u 147 1024 377 232.237 -11.397 1.198
Sun Sep 13 18:36:38 -03 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (9854GB)
200GB available in /atlas/red...OK (13024GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 825G 9.4T 8% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17292
admin:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/mapper/ubuntu--vg-ubuntu--lv 58G 18G 38G 32% /
archon:/dev/loop0 106M 106M 0 100% /snap/core/17292
archon:/dev/loop1 106M 106M 0 100% /snap/core/17284
archon:/dev/sda2 974M 321M 586M 36% /boot
archon:/dev/sda1 511M 4.4M 507M 1% /boot/efi
proc1:/dev/md0p1 15T 1.3T 13T 9% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc2:/dev/md0p1 15T 452G 13T 4% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 903G 13T 7% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc4:/dev/md0p1 15T 696G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Sun Sep 13 18:36:39 -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
Sun Sep 13 18:36:39 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Sun Sep 13 18:36:39 -03 2026 [elapsed=5 sec] Closing dome.
Sun Sep 13 18:37:30 -03 2026 [elapsed=56 sec] SERVICES2
Sun Sep 13 18:37:30 -03 2026 [elapsed=56 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sun Sep 13 18:37:34 -03 2026 [elapsed=60 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=1.61e+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
Sun Sep 13 18:40:50 -03 2026 [elapsed=256 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: 245.28 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Sun Sep 13 18:41:47 -03 2026 [elapsed=313 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sun Sep 13 18:42:09 -03 2026 [elapsed=335 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.3 IDLE
Sun Sep 13 18:42:09 -03 2026 [elapsed=335 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 (-54.4C)
Checking CCD plane: Z0=-195.00 DZDX=+453.00 DZDY=-420.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=10 IDLE
Sun Sep 13 18:42:09 -03 2026 [elapsed=335 sec] WEATHER
status weather: clear 22.3C 34% 6/8kph@285 DP13.1C/-153C/d IDLE
...OK
Sun Sep 13 18:42:10 -03 2026 [elapsed=336 sec] MET
status...OK
met: c=N o=Y Ro2d Co2d Wo6d Ho6d To6d Do6d IDLE
Sun Sep 13 18:42:10 -03 2026 [elapsed=336 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sun Sep 13 18:42:12 -03 2026 [elapsed=338 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 273.95 -12.93, az/alt=59.88 +60.07 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 3 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 7 0.1%
A 0.051s 96 1.0%
A 0.081s 372 4.1%
A 0.111s 721 7.9%
A 0.141s 1194 13.0%
A 0.172s 1771 19.3%
A 0.202s 2436 26.6%
A 0.232s 3237 35.4%
A 0.262s 4141 45.2%
A 0.293s 5102 55.7%
A 0.323s 5946 65.0%
A 0.353s 6762 73.9%
A 0.383s 7408 80.9%
A 0.414s 7986 87.2%
A 0.444s 8459 92.4%
A 0.474s 8789 96.0%
A 0.505s 9026 98.6%
A 0.535s 9139 99.8%
A 0.565s 9158 100.0%
B 0.020s 3 0.0%
B 0.050s 93 1.0%
B 0.081s 374 4.1%
B 0.111s 734 8.0%
B 0.141s 1194 13.0%
B 0.171s 1780 19.4%
B 0.202s 2474 27.0%
B 0.232s 3256 35.6%
B 0.262s 4170 45.6%
B 0.293s 5117 55.9%
B 0.323s 5996 65.5%
B 0.353s 6781 74.1%
B 0.384s 7432 81.2%
B 0.414s 8008 87.5%
B 0.444s 8460 92.4%
B 0.474s 8791 96.0%
B 0.505s 9029 98.6%
B 0.535s 9145 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9049 98.9%
A 0.081s 8767 95.8%
A 0.111s 8428 92.1%
A 0.142s 7936 86.7%
A 0.172s 7322 80.0%
A 0.202s 6640 72.5%
A 0.232s 5836 63.8%
A 0.263s 4921 53.8%
A 0.293s 3989 43.6%
A 0.324s 3115 34.0%
A 0.354s 2347 25.6%
A 0.384s 1658 18.1%
A 0.415s 1109 12.1%
A 0.445s 674 7.4%
A 0.475s 340 3.7%
A 0.506s 126 1.4%
A 0.536s -1 0.0%
B 0.020s 9148 99.9%
B 0.051s 9039 98.7%
B 0.081s 8772 95.8%
B 0.111s 8417 91.9%
B 0.142s 7958 86.9%
B 0.172s 7378 80.6%
B 0.202s 6686 73.0%
B 0.233s 5871 64.1%
B 0.263s 4958 54.2%
B 0.293s 4004 43.7%
B 0.323s 3141 34.3%
B 0.354s 2349 25.7%
B 0.384s 1699 18.6%
B 0.414s 1134 12.4%
B 0.444s 686 7.5%
B 0.475s 358 3.9%
B 0.505s 118 1.3%
B 0.536s 2 0.0%
A 0 0.0mm 15 N F R | B -4 -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 0.535 seconds.
Shutter A closed to 0.0 percent in 0.536 seconds.
Shutter B closed to 0.0 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 230kB time=00:00:07.36 bitrate= 256.1kbits/s speed=1.18e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9875 IDLE
Sun Sep 13 18:42:46 -03 2026 [elapsed=372 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=10/0 spi=38.3 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Sep 13 18:43 /atlas/obs/04a/61297/04a61297e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sun Sep 13 18:43:09 -03 2026 [elapsed=395 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (31 seconds old)
OTA humidity level...OK (11%)
Dome humidity exists...OK
Dome humidity is current... OK
Sun Sep 13 18:43:09 -03 2026 [elapsed=395 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61296.90497247|info|galildriver|using focus model: foc=9830+(3.50)*18.8+(-0.35)*60.3=9874.7
61296.90497714|info|galildriver|c 4 IN | cass: 9139130 45.70 mm b=23 move=NO | arm: 406816 473.60 mm b=03 move=OK | foc: 53275722 9876 um b=0f [cmd]
bestfocus for c...OK
Sun Sep 13 18:43:11 -03 2026 [elapsed=397 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sun Sep 13 18:43:39 -03 2026 [elapsed=425 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.
Sun Sep 13 18:43:40 -03 2026 [elapsed=426 sec] Happy observing!
Sun Sep 13 18:43:40 -03 2026 [elapsed=426 sec] Preflight took 426 seconds to complete.
Sun Sep 13 18:43:40 -03 2026 [elapsed=426 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 0.051s 114 1.2% A 0.081s 385 4.2% A 0.111s 737 8.1% A 0.141s 1197 13.1% A 0.171s 1782 19.5% A 0.202s 2466 26.9% A 0.232s 3267 35.7% A 0.262s 4173 45.6% A 0.292s 5104 55.8% A 0.322s 5970 65.2% A 0.352s 6752 73.8% A 0.383s 7413 81.0% A 0.413s 7987 87.3% A 0.443s 8444 92.2% A 0.473s 8783 95.9% A 0.503s 9022 98.6% A 0.534s 9136 99.8% A 0.564s 9155 100.0% B 0.020s 0 0.0% B 0.050s 106 1.2% B 0.081s 371 4.1% B 0.111s 715 7.8% B 0.141s 1185 12.9% B 0.171s 1752 19.1% B 0.201s 2442 26.7% B 0.231s 3213 35.1% B 0.262s 4107 44.9% B 0.292s 5044 55.1% B 0.322s 5935 64.8% B 0.352s 6723 73.4% B 0.382s 7401 80.8% B 0.412s 7968 87.0% B 0.443s 8431 92.1% B 0.473s 8778 95.9% B 0.503s 9012 98.4% B 0.533s 9134 99.8% B 0.563s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9153 100.0% A 0.050s 9056 98.9% A 0.081s 8789 96.0% A 0.111s 8435 92.1% A 0.141s 7976 87.1% A 0.171s 7402 80.9% A 0.201s 6716 73.4% A 0.232s 5923 64.7% A 0.262s 5014 54.8% A 0.292s 4069 44.5% A 0.322s 3195 34.9% A 0.352s 2410 26.3% A 0.383s 1751 19.1% A 0.413s 1181 12.9% A 0.443s 717 7.8% A 0.473s 376 4.1% A 0.503s 137 1.5% A 0.534s 16 0.2% A 0.564s 0 0.0% B 0.020s 9142 99.9% B 0.050s 9019 98.5% B 0.081s 8771 95.8% B 0.111s 8421 92.0% B 0.141s 7952 86.9% B 0.171s 7376 80.6% B 0.201s 6687 73.1% B 0.232s 5891 64.4% B 0.262s 4980 54.4% B 0.292s 4054 44.3% B 0.322s 3188 34.8% B 0.352s 2393 26.1% B 0.382s 1725 18.8% B 0.413s 1163 12.7% B 0.443s 712 7.8% B 0.473s 365 4.0% B 0.503s 138 1.5% B 0.534s 15 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R