CHL Preflight Night 61198
Executing preflight for 61198 at Sat Jun 6 16:51:28 -04 2026.
Log can be found in /atlas/obs/04/61198/preflight.dat.
Setting donefile '/atlas/obs/04/61198/preflight_complete.20260606205128.19784' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260606205128.19784.
Sat Jun 6 16:51:28 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Jun 6 16:51:28 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [a199d3df-a3ea-4f3d-819a-215531378054;1800]
Sat Jun 6 16:51:28 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sat Jun 6 16:51:29 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sat Jun 6 16:51:29 -04 2026 [elapsed=1 sec] auxcam is disabled.
Sat Jun 6 16:51:29 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Jun 6 16:51:29 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1780779085
OK
Sat Jun 6 16:51:29 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Jun 6 16:51:29 -04 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
Sat Jun 6 16:51:30 -04 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
Sat Jun 6 16:51:31 -04 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Jun 6 16:51:31 -04 2026 [elapsed=3 sec] CLOCKS
admin: Sat Jun 6 20:51:31 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 828 1024 377 0.282 0.029 0.047
*10.0.11.4 .GPS. 1 u 685 1024 377 0.581 0.132 0.148
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.56 99.220.8.133 2 u 671 1024 377 213.226 -6.853 1.778
-185.125.190.58 146.131.121.246 2 u 77 1024 377 217.606 -8.729 2.820
+alphyn.canonica 132.163.96.1 2 u 801 1024 277 156.585 -1.951 1.170
-185.125.190.57 99.220.8.133 2 u 752 1024 377 218.395 -10.982 1.259
Sat Jun 6 16:51:31 -04 2026 [elapsed=3 sec] DISKS
200GB available in /atlas/obs...OK (3777GB)
200GB available in /atlas/red...OK (7962GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 6.6T 3.7T 65% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17284
admin:/dev/loop1 106M 106M 0 100% /snap/core/17292
archon:/dev/mapper/ubuntu--vg-ubuntu--lv 58G 20G 36G 36% /
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 6.1T 7.6T 45% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc2:/dev/md0p1 15T 453G 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 906G 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
Sat Jun 6 16:51:32 -04 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
Sat Jun 6 16:51:32 -04 2026 [elapsed=4 sec] Disabling mount tracking.
Sat Jun 6 16:51:32 -04 2026 [elapsed=4 sec] Closing dome.
Sat Jun 6 16:51:50 -04 2026 [elapsed=22 sec] SERVICES2
Sat Jun 6 16:51:50 -04 2026 [elapsed=22 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Jun 6 16:51:54 -04 2026 [elapsed=26 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=1.58e+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
Sat Jun 6 16:55:15 -04 2026 [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: 136.30 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Sat Jun 6 16:56:21 -04 2026 [elapsed=293 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Jun 6 16:56:45 -04 2026 [elapsed=317 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.2 IDLE
Sat Jun 6 16:56:45 -04 2026 [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 (-54.4C)
Checking CCD plane: Z0=-193.00 DZDX=+469.00 DZDY=-414.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Sat Jun 6 16:56:45 -04 2026 [elapsed=317 sec] WEATHER
status weather: C 18.3C 27% 10/13kph@302 DP17.2C/-103C/d IDLE
...OK
Sat Jun 6 16:56:46 -04 2026 [elapsed=318 sec] MET
status...OK
met: c=N o=Y Ro15h Co9h Wo3d Ho3d To3d Do3d IDLE
Sat Jun 6 16:56:47 -04 2026 [elapsed=319 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Jun 6 16:56:47 -04 2026 [elapsed=319 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 164.98 -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 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 -1 -0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 6 0.1%
A 0.050s 116 1.3%
A 0.081s 390 4.3%
A 0.111s 728 8.0%
A 0.141s 1202 13.1%
A 0.171s 1773 19.4%
A 0.202s 2464 26.9%
A 0.232s 3264 35.7%
A 0.262s 4162 45.5%
A 0.293s 5110 55.8%
A 0.323s 5982 65.3%
A 0.353s 6778 74.0%
A 0.383s 7433 81.2%
A 0.414s 8012 87.5%
A 0.444s 8459 92.4%
A 0.474s 8795 96.1%
A 0.505s 9030 98.6%
A 0.535s 9140 99.8%
A 0.565s 9157 100.0%
B 0.020s 2 0.0%
B 0.051s 98 1.1%
B 0.081s 385 4.2%
B 0.111s 749 8.2%
B 0.142s 1209 13.2%
B 0.172s 1802 19.7%
B 0.202s 2517 27.5%
B 0.233s 3309 36.1%
B 0.263s 4233 46.2%
B 0.294s 5175 56.5%
B 0.324s 6051 66.1%
B 0.354s 6826 74.6%
B 0.385s 7471 81.6%
B 0.415s 8043 87.9%
B 0.445s 8484 92.7%
B 0.476s 8811 96.3%
B 0.506s 9042 98.8%
B 0.536s 9150 100.0%
sleeping 3 sec between shutter moves...
A 0.020s 9153 100.0%
A 0.050s 9064 99.0%
A 0.081s 8782 95.9%
A 0.111s 8439 92.2%
A 0.141s 7957 86.9%
A 0.172s 7379 80.6%
A 0.202s 6692 73.1%
A 0.232s 5897 64.4%
A 0.263s 5016 54.8%
A 0.293s 4052 44.3%
A 0.323s 3194 34.9%
A 0.353s 2401 26.2%
A 0.384s 1715 18.7%
A 0.414s 1141 12.5%
A 0.444s 701 7.7%
A 0.475s 365 4.0%
A 0.505s 135 1.5%
A 0.535s 12 0.1%
A 0.565s -5 0.0%
B 0.020s 9147 99.9%
B 0.051s 9037 98.7%
B 0.081s 8771 95.8%
B 0.111s 8417 91.9%
B 0.142s 7959 86.9%
B 0.172s 7356 80.4%
B 0.202s 6686 73.0%
B 0.232s 5897 64.4%
B 0.263s 4958 54.2%
B 0.293s 4035 44.1%
B 0.323s 3169 34.6%
B 0.353s 2373 25.9%
B 0.384s 1716 18.7%
B 0.414s 1149 12.6%
B 0.444s 673 7.4%
B 0.475s 359 3.9%
B 0.505s 126 1.4%
B 0.535s 4 0.0%
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 0.565 seconds.
Shutter B opened to 100.0 percent in 0.536 seconds.
Shutter A closed to 0.0 percent in 0.565 seconds.
Shutter B closed to 0.0 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.16e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9871 IDLE
Sat Jun 6 16:57:21 -04 2026 [elapsed=353 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=39.2 IDLE
taking preflight exposures:
acam...OK
acam image:
158M Jun 6 16:57 /atlas/obs/04a/61198/04a61198e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Jun 6 16:57:44 -04 2026 [elapsed=376 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (77 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Jun 6 16:57:44 -04 2026 [elapsed=376 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61197.87343005|info|galildriver|using focus model: foc=9830+(3.50)*18.1+(-0.35)*60.2=9872.3
61197.87343472|info|galildriver|o 3 IN | cass: 6103208 30.52 mm b=23 move=NO | arm: 409734 477.00 mm b=23 move=OK | foc: 53276522 9872 um b=0f [cmd]
bestfocus for o...OK
Sat Jun 6 16:57:45 -04 2026 [elapsed=377 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Jun 6 16:58:18 -04 2026 [elapsed=410 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.
Sat Jun 6 16:58:19 -04 2026 [elapsed=411 sec] Happy observing!
Sat Jun 6 16:58:19 -04 2026 [elapsed=411 sec] Preflight took 411 seconds to complete.
Sat Jun 6 16:58:19 -04 2026 [elapsed=411 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 115 1.3% A 0.081s 384 4.2% A 0.111s 736 8.0% A 0.141s 1196 13.1% A 0.171s 1781 19.5% A 0.202s 2466 26.9% A 0.232s 3266 35.7% A 0.262s 4174 45.6% A 0.292s 5104 55.8% A 0.322s 5997 65.5% A 0.353s 6775 74.0% A 0.383s 7413 81.0% A 0.413s 7990 87.3% A 0.443s 8445 92.3% A 0.474s 8793 96.1% A 0.504s 9022 98.6% A 0.534s 9136 99.8% A 0.564s 9153 100.0% B 0.020s 1 0.0% B 0.050s 113 1.2% B 0.081s 369 4.0% B 0.111s 715 7.8% B 0.141s 1185 12.9% B 0.171s 1754 19.2% B 0.201s 2444 26.7% B 0.232s 3240 35.4% B 0.262s 4136 45.2% B 0.292s 5074 55.4% B 0.322s 5961 65.1% B 0.352s 6749 73.7% B 0.383s 7419 81.0% B 0.413s 7985 87.2% B 0.443s 8442 92.2% B 0.473s 8777 95.9% B 0.503s 9013 98.5% B 0.534s 9134 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9151 100.0% A 0.050s 9048 98.8% A 0.081s 8778 95.9% A 0.111s 8421 92.0% A 0.141s 7958 86.9% A 0.171s 7381 80.6% A 0.202s 6692 73.1% A 0.232s 5896 64.4% A 0.262s 4981 54.4% A 0.293s 4039 44.1% A 0.323s 3166 34.6% A 0.353s 2387 26.1% A 0.383s 1709 18.7% A 0.414s 1146 12.5% A 0.444s 693 7.6% A 0.474s 357 3.9% A 0.504s 125 1.4% A 0.534s 14 0.2% A 0.565s 2 0.0% B 0.020s 9142 99.9% B 0.050s 9018 98.5% B 0.081s 8769 95.8% B 0.111s 8421 92.0% B 0.141s 7951 86.9% B 0.171s 7378 80.6% B 0.201s 6689 73.1% B 0.232s 5892 64.4% B 0.262s 4979 54.4% B 0.292s 4051 44.3% B 0.322s 3163 34.6% B 0.353s 2394 26.2% B 0.383s 1702 18.6% B 0.413s 1162 12.7% B 0.443s 712 7.8% B 0.474s 364 4.0% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.565s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R