CHL Preflight Night 61193
Executing preflight for 61193 at Mon Jun 1 16:52:16 -04 2026.
Log can be found in /atlas/obs/04/61193/preflight.dat.
Setting donefile '/atlas/obs/04/61193/preflight_complete.20260601205216.15535' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260601205216.15535.
Mon Jun 1 16:52:16 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Mon Jun 1 16:52:16 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [74f0d583-f911-4265-a1b1-49c012f97da2;1800]
Mon Jun 1 16:52:16 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Mon Jun 1 16:52:17 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Mon Jun 1 16:52:17 -04 2026 [elapsed=1 sec] auxcam is disabled.
Mon Jun 1 16:52:17 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Mon Jun 1 16:52:17 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1780347131
OK
Mon Jun 1 16:52:17 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Mon Jun 1 16:52:17 -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
Mon Jun 1 16:52:18 -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
Mon Jun 1 16:52:19 -04 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Mon Jun 1 16:52:19 -04 2026 [elapsed=3 sec] CLOCKS
admin: Mon Jun 1 20:52:19 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 515 1024 377 0.307 0.077 0.390
*10.0.11.4 .GPS. 1 u 766 1024 377 0.620 0.216 0.400
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 99.220.8.133 2 u 268 1024 377 242.306 -0.674 1.407
+185.125.190.58 146.131.121.246 2 u 191 1024 377 244.089 0.982 1.433
-alphyn.canonica 132.163.96.1 2 u 546 1024 377 169.486 3.994 0.573
-185.125.190.56 99.220.8.133 2 u 813 1024 377 239.914 1.610 1.884
Mon Jun 1 16:52:19 -04 2026 [elapsed=3 sec] DISKS
200GB available in /atlas/obs...OK (3637GB)
200GB available in /atlas/red...OK (7868GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 6.8T 3.5T 67% /
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/17284
archon:/dev/loop1 106M 106M 0 100% /snap/core/17292
archon:/dev/sda2 974M 321M 586M 36% /boot
archon:/dev/sda1 511M 4.4M 507M 1% /boot/efi
proc1:/dev/md0p1 15T 6.2T 7.6T 46% /
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc2:/dev/md0p1 15T 452G 13T 4% /
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/md0p1 15T 906G 13T 7% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc4:/dev/md0p1 15T 695G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Mon Jun 1 16:52:20 -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
Mon Jun 1 16:52:20 -04 2026 [elapsed=4 sec] Disabling mount tracking.
Mon Jun 1 16:52:20 -04 2026 [elapsed=4 sec] Closing dome.
Mon Jun 1 16:52:38 -04 2026 [elapsed=22 sec] SERVICES2
Mon Jun 1 16:52:38 -04 2026 [elapsed=22 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Mon Jun 1 16:52:42 -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=1.56e+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 Jun 1 16:55:43 -04 2026 [elapsed=207 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: 131.49 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Mon Jun 1 16:56:48 -04 2026 [elapsed=272 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Mon Jun 1 16:57:13 -04 2026 [elapsed=297 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.8 IDLE
Mon Jun 1 16:57:13 -04 2026 [elapsed=297 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (9 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.9C)
Checking CCD plane: Z0=-196.00 DZDX=+462.00 DZDY=-416.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Mon Jun 1 16:57:13 -04 2026 [elapsed=297 sec] WEATHER
status weather: C 23.1C 12% 3/9kph@249 DP30.1C/-40C/d IDLE
...OK
Mon Jun 1 16:57:14 -04 2026 [elapsed=298 sec] MET
status...OK
met: c=N o=Y Ro20d Co10h Wo20d Ho20d To20d Do21d IDLE
Mon Jun 1 16:57:14 -04 2026 [elapsed=298 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Mon Jun 1 16:57:14 -04 2026 [elapsed=298 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 160.17 -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 6 0.1%
A 0.051s 114 1.2%
A 0.081s 401 4.4%
A 0.111s 742 8.1%
A 0.142s 1221 13.3%
A 0.172s 1793 19.6%
A 0.202s 2490 27.2%
A 0.233s 3288 35.9%
A 0.263s 4194 45.8%
A 0.293s 5142 56.2%
A 0.324s 6012 65.7%
A 0.354s 6801 74.3%
A 0.384s 7452 81.4%
A 0.415s 8025 87.7%
A 0.445s 8471 92.5%
A 0.475s 8804 96.2%
A 0.506s 9036 98.7%
A 0.536s 9141 99.9%
A 0.566s 9155 100.0%
B 0.020s 2 0.0%
B 0.051s 92 1.0%
B 0.081s 376 4.1%
B 0.112s 736 8.0%
B 0.142s 1193 13.0%
B 0.172s 1781 19.5%
B 0.202s 2470 27.0%
B 0.233s 3282 35.9%
B 0.263s 4171 45.6%
B 0.293s 5144 56.2%
B 0.324s 6023 65.8%
B 0.354s 6803 74.3%
B 0.384s 7451 81.4%
B 0.415s 8027 87.7%
B 0.445s 8472 92.5%
B 0.475s 8802 96.2%
B 0.506s 9037 98.7%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.050s 9057 98.9%
A 0.081s 8768 95.8%
A 0.111s 8427 92.1%
A 0.142s 7957 86.9%
A 0.172s 7378 80.6%
A 0.202s 6692 73.1%
A 0.232s 5897 64.4%
A 0.263s 4982 54.4%
A 0.293s 4050 44.2%
A 0.323s 3164 34.6%
A 0.353s 2378 26.0%
A 0.384s 1715 18.7%
A 0.414s 1141 12.5%
A 0.444s 703 7.7%
A 0.475s 357 3.9%
A 0.505s 128 1.4%
A 0.535s 12 0.1%
A 0.566s -4 0.0%
B 0.020s 9147 99.9%
B 0.051s 9032 98.7%
B 0.081s 8760 95.7%
B 0.111s 8405 91.8%
B 0.142s 7943 86.8%
B 0.172s 7357 80.4%
B 0.202s 6639 72.5%
B 0.233s 5845 63.9%
B 0.263s 4928 53.8%
B 0.293s 3977 43.4%
B 0.323s 3115 34.0%
B 0.354s 2349 25.7%
B 0.384s 1679 18.3%
B 0.415s 1118 12.2%
B 0.445s 661 7.2%
B 0.475s 342 3.7%
B 0.506s 117 1.3%
B 0.536s 4 0.0%
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 0.0 percent in 0.566 seconds.
Shutter B closed to 0.0 percent in 0.536 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.19e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9881 IDLE
Mon Jun 1 16:57:48 -04 2026 [elapsed=332 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.8 IDLE
taking preflight exposures:
acam...OK
acam image:
158M Jun 1 16:58 /atlas/obs/04a/61193/04a61193e0001o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Mon Jun 1 16:58:10 -04 2026 [elapsed=354 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (34 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Mon Jun 1 16:58:10 -04 2026 [elapsed=354 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61192.87374166|info|galildriver|using focus model: foc=9830+(3.50)*20.6+(-0.35)*60.2=9881.0
61192.87374634|info|galildriver|o 3 IN | cass: 6101457 30.51 mm b=23 move=NO | arm: 406829 473.62 mm b=03 move=OK | foc: 53274563 9881 um b=0f [cmd]
bestfocus for o...OK
Mon Jun 1 16:58:11 -04 2026 [elapsed=355 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Mon Jun 1 16:58:46 -04 2026 [elapsed=390 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 Jun 1 16:58:47 -04 2026 [elapsed=391 sec] Happy observing!
Mon Jun 1 16:58:47 -04 2026 [elapsed=391 sec] Preflight took 391 seconds to complete.
Mon Jun 1 16:58:47 -04 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 3 0.0% A 0.051s 114 1.2% A 0.081s 386 4.2% A 0.111s 736 8.0% A 0.141s 1197 13.1% A 0.172s 1782 19.5% A 0.202s 2465 26.9% A 0.232s 3267 35.7% A 0.262s 4174 45.6% A 0.293s 5103 55.7% A 0.323s 5997 65.5% A 0.354s 6775 74.0% A 0.384s 7433 81.2% A 0.414s 8004 87.4% A 0.444s 8458 92.4% A 0.475s 8793 96.1% A 0.505s 9026 98.6% A 0.535s 9139 99.8% A 0.566s 9154 100.0% B 0.020s 2 0.0% B 0.050s 111 1.2% B 0.081s 379 4.1% B 0.111s 728 8.0% B 0.141s 1203 13.1% B 0.171s 1774 19.4% B 0.202s 2467 26.9% B 0.232s 3268 35.7% B 0.262s 4167 45.5% B 0.292s 5103 55.7% B 0.323s 5988 65.4% B 0.353s 6772 74.0% B 0.383s 7440 81.3% B 0.413s 8001 87.4% B 0.443s 8455 92.4% B 0.474s 8795 96.1% B 0.504s 9022 98.6% B 0.534s 9138 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9152 100.0% A 0.051s 9049 98.9% A 0.081s 8777 95.9% A 0.111s 8422 92.0% A 0.141s 7957 86.9% A 0.172s 7380 80.6% A 0.202s 6692 73.1% A 0.232s 5895 64.4% A 0.262s 4983 54.4% A 0.293s 4038 44.1% A 0.323s 3166 34.6% A 0.353s 2386 26.1% A 0.383s 1731 18.9% A 0.413s 1163 12.7% A 0.444s 706 7.7% A 0.474s 367 4.0% A 0.504s 132 1.4% A 0.534s 15 0.2% A 0.564s 1 0.0% B 0.020s 9146 99.9% B 0.050s 9025 98.6% B 0.081s 8780 95.9% B 0.111s 8433 92.1% B 0.141s 7968 87.0% B 0.171s 7400 80.8% B 0.201s 6713 73.3% B 0.232s 5920 64.7% B 0.262s 5011 54.7% B 0.292s 4083 44.6% B 0.322s 3192 34.9% B 0.353s 2417 26.4% B 0.383s 1723 18.8% B 0.413s 1162 12.7% B 0.443s 713 7.8% B 0.474s 365 4.0% B 0.504s 138 1.5% B 0.534s 16 0.2% B 0.564s 0 0.0% A 1 0.0mm 15 N F R | B 0 0.0mm 15 N F R