CHL Preflight Night 61081
Executing preflight for 61081 at Mon Feb 9 19:38:23 -03 2026.
Log can be found in /atlas/obs/04/61081/preflight.dat.
Setting donefile '/atlas/obs/04/61081/preflight_complete.20260209223823.6074' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260209223823.6074.
Mon Feb 9 19:38:23 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Feb 9 19:38:23 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [fd6969e9-0969-4a2c-b781-d2848f2386dd;1800]
Mon Feb 9 19:38:23 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Mon Feb 9 19:38:24 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Mon Feb 9 19:38:24 -03 2026 [elapsed=1 sec] auxcam is disabled.
Mon Feb 9 19:38:24 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Feb 9 19:38:24 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1770676700
OK
Mon Feb 9 19:38:24 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Feb 9 19:38:24 -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 9 19:38:26 -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
Mon Feb 9 19:38:26 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Feb 9 19:38:26 -03 2026 [elapsed=3 sec] CLOCKS
admin: Mon Feb 9 22:38:26 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 135 1024 377 0.314 -0.488 0.138
+10.0.11.4 .GPS. 1 u 949 1024 377 0.486 -0.447 0.240
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 194.121.207.249 2 u 110 1024 377 220.897 -7.210 0.780
-185.125.190.58 194.121.207.249 2 u 67 1024 377 221.362 -7.121 0.460
+alphyn.canonica 132.163.96.1 2 u 1068 1024 376 156.955 -1.860 1.013
-185.125.190.56 194.121.207.249 2 u 714 1024 377 220.280 -6.805 0.735
Mon Feb 9 19:38:28 -03 2026 [elapsed=5 sec] DISKS
200GB available in /atlas/obs...OK (5310GB)
200GB available in /atlas/red...OK (9205GB)
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 8.8T 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
Mon Feb 9 19:38:28 -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
Mon Feb 9 19:38:28 -03 2026 [elapsed=5 sec] Disabling mount tracking.
Mon Feb 9 19:38:28 -03 2026 [elapsed=5 sec] Closing dome.
Mon Feb 9 19:38:47 -03 2026 [elapsed=24 sec] SERVICES2
Mon Feb 9 19:38:47 -03 2026 [elapsed=24 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Feb 9 19:38:51 -03 2026 [elapsed=28 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
Mon Feb 9 19:42:08 -03 2026 [elapsed=225 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: 47.78 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Mon Feb 9 19:43:13 -03 2026 [elapsed=290 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Feb 9 19:43:38 -03 2026 [elapsed=315 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.6 IDLE
Mon Feb 9 19:43:38 -03 2026 [elapsed=315 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 (-53.3C)
Checking CCD plane: Z0=-199.00 DZDX=+466.00 DZDY=-408.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Feb 9 19:43:38 -03 2026 [elapsed=315 sec] WEATHER
status weather: C 26.8C 32% 14/21kph@284 DP17.6C/-34C/d IDLE
...OK
Mon Feb 9 19:43:39 -03 2026 [elapsed=316 sec] MET
status...OK
met: c=N o=Y Ro3d Co2d Wo3d Ho3d To3d Do3d IDLE
Mon Feb 9 19:43:39 -03 2026 [elapsed=316 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Feb 9 19:43:39 -03 2026 [elapsed=316 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 76.45 -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 1 0.0mm 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 0.051s 105 1.1%
A 0.081s 403 4.4%
A 0.112s 744 8.1%
A 0.142s 1220 13.3%
A 0.172s 1796 19.6%
A 0.202s 2488 27.2%
A 0.233s 3288 35.9%
A 0.263s 4191 45.8%
A 0.293s 5142 56.2%
A 0.324s 6014 65.7%
A 0.354s 6801 74.3%
A 0.384s 7449 81.4%
A 0.415s 8027 87.7%
A 0.445s 8469 92.5%
A 0.475s 8804 96.2%
A 0.506s 9036 98.7%
A 0.536s 9143 99.9%
A 0.566s 9155 100.0%
B 0.020s 1 0.0%
B 0.051s 89 1.0%
B 0.081s 376 4.1%
B 0.111s 736 8.0%
B 0.141s 1191 13.0%
B 0.172s 1782 19.5%
B 0.202s 2469 27.0%
B 0.232s 3254 35.5%
B 0.263s 4170 45.6%
B 0.293s 5112 55.8%
B 0.323s 5994 65.5%
B 0.353s 6781 74.1%
B 0.384s 7431 81.2%
B 0.414s 8010 87.5%
B 0.444s 8459 92.4%
B 0.475s 8791 96.0%
B 0.505s 9030 98.6%
B 0.535s 9146 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.051s 9053 98.9%
A 0.081s 8770 95.8%
A 0.111s 8427 92.1%
A 0.141s 7957 86.9%
A 0.172s 7376 80.6%
A 0.202s 6693 73.1%
A 0.232s 5899 64.4%
A 0.263s 4977 54.4%
A 0.293s 4052 44.3%
A 0.323s 3167 34.6%
A 0.353s 2381 26.0%
A 0.384s 1717 18.8%
A 0.414s 1139 12.4%
A 0.444s 701 7.7%
A 0.474s 358 3.9%
A 0.505s 129 1.4%
A 0.535s 13 0.1%
A 0.565s -2 0.0%
B 0.020s 9148 99.9%
B 0.051s 9032 98.7%
B 0.081s 8761 95.7%
B 0.111s 8405 91.8%
B 0.142s 7943 86.8%
B 0.172s 7356 80.4%
B 0.202s 6662 72.8%
B 0.233s 5872 64.1%
B 0.263s 4959 54.2%
B 0.293s 4005 43.8%
B 0.323s 3141 34.3%
B 0.354s 2352 25.7%
B 0.384s 1698 18.5%
B 0.414s 1137 12.4%
B 0.445s 673 7.4%
B 0.475s 351 3.8%
B 0.505s 122 1.3%
B 0.536s 5 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 0.535 seconds.
Shutter A closed to 0.0 percent in 0.565 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=1.17e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9898 IDLE
Mon Feb 9 19:44:17 -03 2026 [elapsed=354 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.6 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Feb 9 19:44 /atlas/obs/04a/61081/04a61081e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Feb 9 19:44:39 -03 2026 [elapsed=376 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (23 seconds old)
OTA humidity level...OK (8%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Feb 9 19:44:39 -03 2026 [elapsed=376 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61080.94768351|info|galildriver|using focus model: foc=9830+(3.50)*25.1+(-0.35)*60.3=9896.8
61080.94768817|info|galildriver|o 3 IN | cass: 6104729 30.52 mm b=23 move=NO | arm: 407159 474.00 mm b=03 move=OK | foc: 53271134 9899 um b=0f [cmd]
bestfocus for o...OK
Mon Feb 9 19:44:41 -03 2026 [elapsed=378 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Feb 9 19:45:14 -03 2026 [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.
Mon Feb 9 19:45:16 -03 2026 [elapsed=413 sec] Happy observing!
Mon Feb 9 19:45:16 -03 2026 [elapsed=413 sec] Preflight took 413 seconds to complete.
Mon Feb 9 19:45:16 -03 2026 [elapsed=413 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 2 0.0% A 0.051s 110 1.2% A 0.081s 373 4.1% A 0.111s 717 7.8% A 0.141s 1181 12.9% A 0.171s 1759 19.2% A 0.202s 2441 26.7% A 0.232s 3239 35.4% A 0.262s 4144 45.3% A 0.292s 5078 55.5% A 0.322s 5963 65.1% A 0.353s 6756 73.8% A 0.383s 7412 81.0% A 0.413s 7973 87.1% A 0.443s 8434 92.1% A 0.473s 8770 95.8% A 0.503s 9017 98.5% A 0.534s 9136 99.8% A 0.564s 9152 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 380 4.2% B 0.111s 729 8.0% B 0.141s 1203 13.1% B 0.171s 1774 19.4% B 0.202s 2468 27.0% B 0.232s 3268 35.7% B 0.262s 4165 45.5% B 0.292s 5105 55.8% B 0.323s 5988 65.4% B 0.353s 6773 74.0% B 0.383s 7438 81.3% B 0.413s 8001 87.4% B 0.443s 8456 92.4% B 0.474s 8795 96.1% B 0.504s 9018 98.5% B 0.534s 9135 99.8% B 0.564s 9155 100.0% sleeping 3 sec between shutter moves... A 0.020s 9156 100.0% A 0.050s 9056 98.9% A 0.081s 8793 96.1% A 0.111s 8443 92.2% A 0.141s 7983 87.2% A 0.171s 7405 80.9% A 0.201s 6717 73.4% A 0.232s 5931 64.8% A 0.262s 5014 54.8% A 0.292s 4073 44.5% A 0.322s 3200 35.0% A 0.353s 2404 26.3% A 0.383s 1735 19.0% A 0.413s 1162 12.7% A 0.443s 717 7.8% A 0.473s 379 4.1% A 0.503s 136 1.5% A 0.534s 19 0.2% A 0.564s 4 0.0% B 0.020s 9143 99.9% B 0.050s 9009 98.4% B 0.081s 8761 95.7% B 0.111s 8407 91.8% B 0.141s 7934 86.7% B 0.171s 7358 80.4% B 0.202s 6665 72.8% B 0.232s 5865 64.1% B 0.262s 4951 54.1% B 0.292s 4052 44.3% B 0.323s 3164 34.6% B 0.353s 2370 25.9% B 0.383s 1684 18.4% B 0.414s 1131 12.4% B 0.444s 699 7.6% B 0.474s 356 3.9% B 0.504s 132 1.4% B 0.534s 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