CHL Preflight Night 61036
Executing preflight for 61036 at Fri Dec 26 19:49:33 -03 2025.
Log can be found in /atlas/obs/04/61036/preflight.dat.
Setting donefile '/atlas/obs/04/61036/preflight_complete.20251226224933.24300' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20251226224933.24300.
Fri Dec 26 19:49:33 -03 2025 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Fri Dec 26 19:49:33 -03 2025 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [d255bb5c-2402-4ebb-b106-c2b5c7888f10;1800]
Fri Dec 26 19:49:33 -03 2025 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Fri Dec 26 19:49:34 -03 2025 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Fri Dec 26 19:49:34 -03 2025 [elapsed=1 sec] auxcam is disabled.
Fri Dec 26 19:49:34 -03 2025 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Fri Dec 26 19:49:34 -03 2025 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1766789371
OK
Fri Dec 26 19:49:34 -03 2025 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Fri Dec 26 19:49:34 -03 2025 [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 Dec 26 19:49:36 -03 2025 [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 Dec 26 19:49:36 -03 2025 [elapsed=3 sec] QUEUE
0 observations queued.
Fri Dec 26 19:49:36 -03 2025 [elapsed=3 sec] CLOCKS
admin: Fri Dec 26 22:49:36 UTC 2025
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 1 512 377 0.246 -0.094 0.153
*10.0.11.4 .GPS. 1 u 356 512 377 0.561 -0.036 0.361
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+185.125.190.57 194.121.207.249 2 u 351 1024 377 210.027 -2.247 1.343
-185.125.190.58 183.160.133.132 2 u 470 512 377 209.219 -0.976 2.396
-alphyn.canonica 132.163.96.1 2 u 437 1024 377 156.438 -1.895 1.058
-185.125.190.56 194.121.207.249 2 u 319 1024 377 210.356 -1.150 0.682
Fri Dec 26 19:49:37 -03 2025 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (5241GB)
200GB available in /atlas/red...OK (9316GB)
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 4.8T 8.9T 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 428G 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 899G 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 689G 13T 6% /
proc4:/dev/loop1 105M 105M 0 100% /snap/core/17247
proc4:/dev/loop2 105M 105M 0 100% /snap/core/17272
Fri Dec 26 19:49:37 -03 2025 [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
Fri Dec 26 19:49:37 -03 2025 [elapsed=4 sec] Disabling mount tracking.
Fri Dec 26 19:49:37 -03 2025 [elapsed=4 sec] Closing dome.
Fri Dec 26 19:49:55 -03 2025 [elapsed=22 sec] SERVICES2
Fri Dec 26 19:49:55 -03 2025 [elapsed=22 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Fri Dec 26 19:50:00 -03 2025 [elapsed=27 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=1.57e+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 Dec 26 19:53:20 -03 2025 [elapsed=227 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: 6.23 -27.58, az/alt=324.56 +86.48 idle(e) IDLE
Fri Dec 26 19:54:25 -03 2025 [elapsed=292 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Fri Dec 26 19:54:50 -03 2025 [elapsed=317 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.5 IDLE
Fri Dec 26 19:54:50 -03 2025 [elapsed=317 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (0 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.4C)
Checking CCD plane: Z0=-197.00 DZDX=+467.00 DZDY=-410.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Fri Dec 26 19:54:50 -03 2025 [elapsed=317 sec] WEATHER
status weather: C 23.9C 43% 11/15kph@305 DP12.2C/-59C/d IDLE
...OK
Fri Dec 26 19:54:50 -03 2025 [elapsed=317 sec] MET
status...OK
met: c=N o=Y Ro9d Co4d Wo9d Ho9d To9d Do9d IDLE
Fri Dec 26 19:54:50 -03 2025 [elapsed=317 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Fri Dec 26 19:54:50 -03 2025 [elapsed=317 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 34.91 -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 -1 -0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 7 0.1%
A 0.050s 102 1.1%
A 0.081s 381 4.2%
A 0.111s 718 7.8%
A 0.141s 1186 13.0%
A 0.172s 1756 19.2%
A 0.202s 2442 26.7%
A 0.232s 3262 35.6%
A 0.263s 4159 45.4%
A 0.293s 5111 55.8%
A 0.323s 5985 65.4%
A 0.354s 6778 74.0%
A 0.384s 7431 81.2%
A 0.414s 8007 87.5%
A 0.445s 8459 92.4%
A 0.475s 8794 96.1%
A 0.505s 9030 98.6%
A 0.536s 9140 99.8%
A 0.566s 9158 100.0%
B 0.020s 2 0.0%
B 0.051s 95 1.0%
B 0.081s 388 4.2%
B 0.111s 749 8.2%
B 0.142s 1206 13.2%
B 0.172s 1804 19.7%
B 0.202s 2492 27.2%
B 0.233s 3308 36.1%
B 0.263s 4235 46.3%
B 0.294s 5171 56.5%
B 0.324s 6046 66.0%
B 0.354s 6825 74.6%
B 0.385s 7469 81.6%
B 0.415s 8043 87.9%
B 0.445s 8483 92.7%
B 0.475s 8809 96.2%
B 0.506s 9042 98.8%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9150 100.0%
A 0.051s 9046 98.8%
A 0.081s 8760 95.7%
A 0.111s 8414 91.9%
A 0.142s 7923 86.6%
A 0.172s 7339 80.2%
A 0.202s 6643 72.6%
A 0.233s 5842 63.8%
A 0.263s 4919 53.7%
A 0.293s 3992 43.6%
A 0.324s 3111 34.0%
A 0.354s 2334 25.5%
A 0.384s 1677 18.3%
A 0.415s 1107 12.1%
A 0.445s 677 7.4%
A 0.475s 339 3.7%
A 0.505s 119 1.3%
A 0.536s 8 0.1%
B 0.020s 9147 99.9%
B 0.051s 9037 98.7%
B 0.081s 8771 95.8%
B 0.111s 8416 91.9%
B 0.141s 7960 87.0%
B 0.172s 7377 80.6%
B 0.202s 6686 73.0%
B 0.232s 5897 64.4%
B 0.262s 4988 54.5%
B 0.293s 4062 44.4%
B 0.323s 3166 34.6%
B 0.353s 2374 25.9%
B 0.383s 1738 19.0%
B 0.414s 1151 12.6%
B 0.444s 686 7.5%
B 0.474s 360 3.9%
B 0.505s 126 1.4%
B 0.535s 6 0.1%
A 0 0.0mm 15 N F R | B -3 -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 0.1 percent in 0.536 seconds.
Shutter B closed to 0.1 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.22e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9889 IDLE
Fri Dec 26 19:55:27 -03 2025 [elapsed=354 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.5 IDLE
taking preflight exposures:
acam...OK
acam image:
158M Dec 26 19:55 /atlas/obs/04a/61036/04a61036e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Fri Dec 26 19:55:49 -03 2025 [elapsed=376 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (63 seconds old)
OTA humidity level...OK (8%)
Dome humidity exists...OK
Dome humidity is current... OK
Fri Dec 26 19:55:49 -03 2025 [elapsed=376 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61035.95543794|info|galildriver|using focus model: foc=9830+(3.50)*22.9+(-0.35)*60.2=9889.1
61035.95544262|info|galildriver|o 3 IN | cass: 6103678 30.52 mm b=23 move=NO | arm: 409718 476.98 mm b=03 move=OK | foc: 53272888 9890 um b=0f [cmd]
bestfocus for o...OK
Fri Dec 26 19:55:51 -03 2025 [elapsed=378 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Fri Dec 26 19:56:24 -03 2025 [elapsed=411 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 Dec 26 19:56:25 -03 2025 [elapsed=412 sec] Happy observing!
Fri Dec 26 19:56:25 -03 2025 [elapsed=412 sec] Preflight took 412 seconds to complete.
Fri Dec 26 19:56:25 -03 2025 [elapsed=412 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 117 1.3% A 0.081s 382 4.2% A 0.111s 731 8.0% A 0.141s 1197 13.1% A 0.171s 1781 19.5% A 0.202s 2465 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.292s 5107 55.8% A 0.323s 5991 65.4% A 0.353s 6779 74.1% A 0.383s 7431 81.2% A 0.413s 8009 87.5% A 0.444s 8459 92.4% A 0.474s 8787 96.0% A 0.504s 9029 98.6% A 0.534s 9138 99.8% A 0.564s 9152 100.0% B 0.020s 0 0.0% B 0.050s 114 1.2% B 0.081s 377 4.1% B 0.111s 728 8.0% B 0.141s 1201 13.1% B 0.171s 1751 19.1% B 0.201s 2442 26.7% B 0.232s 3241 35.4% B 0.262s 4136 45.2% B 0.292s 5072 55.4% B 0.322s 5960 65.1% B 0.352s 6749 73.7% B 0.383s 7420 81.1% B 0.413s 7986 87.2% B 0.443s 8443 92.2% B 0.473s 8786 96.0% B 0.503s 9018 98.5% B 0.534s 9134 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9149 99.9% A 0.050s 9036 98.7% A 0.081s 8766 95.8% A 0.111s 8409 91.9% A 0.141s 7940 86.7% A 0.171s 7358 80.4% A 0.201s 6686 73.0% A 0.232s 5897 64.4% A 0.262s 4975 54.3% A 0.292s 4037 44.1% A 0.322s 3166 34.6% A 0.353s 2380 26.0% A 0.383s 1715 18.7% A 0.413s 1142 12.5% A 0.443s 693 7.6% A 0.474s 358 3.9% A 0.504s 124 1.4% A 0.534s 15 0.2% A 0.564s 3 0.0% B 0.020s 9144 99.9% B 0.050s 9019 98.5% B 0.081s 8772 95.8% B 0.111s 8424 92.0% B 0.141s 7953 86.9% B 0.171s 7380 80.6% B 0.202s 6691 73.1% B 0.232s 5893 64.4% B 0.262s 4981 54.4% B 0.292s 4055 44.3% B 0.323s 3166 34.6% B 0.353s 2392 26.1% B 0.383s 1701 18.6% B 0.414s 1147 12.5% B 0.444s 698 7.6% B 0.474s 356 3.9% B 0.504s 132 1.4% B 0.535s 15 0.2% B 0.565s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R