CHL Preflight Night 61117
Executing preflight for 61117 at Tue Mar 17 18:59:48 -03 2026.
Log can be found in /atlas/obs/04/61117/preflight.dat.
Setting donefile '/atlas/obs/04/61117/preflight_complete.20260317215948.24283' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260317215948.24283.
Tue Mar 17 18:59:49 -03 2026 [elapsed=1 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Mar 17 18:59:49 -03 2026 [elapsed=1 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [61e51ff9-b1cd-455b-b3c7-7c0f74a24fdd;1800]
Tue Mar 17 18:59:49 -03 2026 [elapsed=1 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Tue Mar 17 18:59:49 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Tue Mar 17 18:59:49 -03 2026 [elapsed=1 sec] auxcam is disabled.
Tue Mar 17 18:59:49 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Mar 17 18:59:50 -03 2026 [elapsed=2 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1773784781
OK
Tue Mar 17 18:59:50 -03 2026 [elapsed=2 sec] OPSEC
AUTO mode: ...OK
Tue Mar 17 18:59:50 -03 2026 [elapsed=2 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
Tue Mar 17 18:59:51 -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
Tue Mar 17 18:59:52 -03 2026 [elapsed=4 sec] QUEUE
0 observations queued.
Tue Mar 17 18:59:52 -03 2026 [elapsed=4 sec] CLOCKS
admin: Tue Mar 17 21:59:52 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 427 1024 377 0.331 0.660 0.214
+10.0.11.4 .GPS. 1 u 413 1024 377 0.680 0.850 0.214
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.57 194.121.207.249 2 u 278 1024 377 221.914 -7.255 1.494
-185.125.190.58 145.238.80.80 2 u 380 1024 377 223.997 -6.147 0.730
+alphyn.canonica 132.163.96.1 2 u 299 1024 377 158.573 -1.280 0.486
-185.125.190.56 79.243.60.50 2 u 575 1024 377 224.699 -5.837 1.337
Tue Mar 17 18:59:54 -03 2026 [elapsed=6 sec] DISKS
200GB available in /atlas/obs...OK (4766GB)
200GB available in /atlas/red...OK (8545GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 5.7T 4.6T 56% /
admin:/dev/loop2 105M 105M 0 100% /snap/core/17272
admin:/dev/loop0 106M 106M 0 100% /snap/core/17284
archon:/dev/mapper/ubuntu--vg-ubuntu--lv 58G 20G 35G 37% /
archon:/dev/loop0 105M 105M 0 100% /snap/core/17272
archon:/dev/sda2 974M 321M 586M 36% /boot
archon:/dev/sda1 511M 4.4M 507M 1% /boot/efi
archon:/dev/loop2 106M 106M 0 100% /snap/core/17284
proc1:/dev/md0p1 15T 5.5T 8.2T 41% /
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc1:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc2:/dev/md0p1 15T 440G 13T 4% /
proc2:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc3:/dev/md0p1 15T 902G 13T 7% /
proc3:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/md0p1 15T 691G 13T 6% /
proc4:/dev/loop2 105M 105M 0 100% /snap/core/17272
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
Tue Mar 17 18:59:54 -03 2026 [elapsed=6 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
Tue Mar 17 18:59:54 -03 2026 [elapsed=6 sec] Disabling mount tracking.
Tue Mar 17 18:59:54 -03 2026 [elapsed=6 sec] SERVICES2
Tue Mar 17 18:59:54 -03 2026 [elapsed=6 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Mar 17 18:59:58 -03 2026 [elapsed=10 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=1.54e+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
Tue Mar 17 19:02:49 -03 2026 [elapsed=181 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: 73.41 -27.58, az/alt=324.55 +86.48 idle(e) IDLE
Tue Mar 17 19:03:55 -03 2026 [elapsed=247 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Mar 17 19:04:20 -03 2026 [elapsed=272 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.6 IDLE
Tue Mar 17 19:04:20 -03 2026 [elapsed=272 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (3 seconds old)
Software failsafe ready... OK (NA)
CCD on...OK
ION pump on...OK
CCD temp...OK (-53.4C)
Checking CCD plane: Z0=-199.00 DZDX=+467.00 DZDY=-410.00
acam: -53C CCD TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Mar 17 19:04:20 -03 2026 [elapsed=272 sec] WEATHER
status weather: C 26.0C 29% 13/19kph@284 DP17.7C/-74C/d IDLE
...OK
Tue Mar 17 19:04:21 -03 2026 [elapsed=273 sec] MET
status...OK
met: c=N o=Y Ro9d Co16h Wo39d Ho39d To39d Do39d IDLE
Tue Mar 17 19:04:21 -03 2026 [elapsed=273 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Mar 17 19:04:21 -03 2026 [elapsed=273 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 102.08 -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 1 0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 9 0.1%
A 0.051s 116 1.3%
A 0.081s 398 4.3%
A 0.112s 740 8.1%
A 0.142s 1222 13.3%
A 0.172s 1796 19.6%
A 0.202s 2491 27.2%
A 0.233s 3291 36.0%
A 0.263s 4197 45.8%
A 0.293s 5136 56.1%
A 0.324s 6009 65.6%
A 0.354s 6806 74.4%
A 0.384s 7455 81.4%
A 0.415s 8027 87.7%
A 0.445s 8467 92.5%
A 0.475s 8802 96.2%
A 0.506s 9033 98.7%
A 0.536s 9141 99.9%
A 0.566s 9157 100.0%
B 0.020s 1 0.0%
B 0.051s 88 1.0%
B 0.081s 376 4.1%
B 0.111s 734 8.0%
B 0.141s 1191 13.0%
B 0.172s 1783 19.5%
B 0.202s 2468 27.0%
B 0.232s 3254 35.5%
B 0.263s 4170 45.6%
B 0.293s 5143 56.2%
B 0.324s 6023 65.8%
B 0.354s 6803 74.3%
B 0.384s 7450 81.4%
B 0.415s 8027 87.7%
B 0.445s 8470 92.5%
B 0.475s 8800 96.1%
B 0.505s 9037 98.7%
B 0.536s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.050s 9054 98.9%
A 0.081s 8769 95.8%
A 0.111s 8427 92.1%
A 0.141s 7961 87.0%
A 0.171s 7377 80.6%
A 0.202s 6689 73.1%
A 0.232s 5893 64.4%
A 0.262s 4982 54.4%
A 0.292s 4054 44.3%
A 0.323s 3167 34.6%
A 0.353s 2377 26.0%
A 0.383s 1714 18.7%
A 0.413s 1140 12.5%
A 0.444s 704 7.7%
A 0.474s 358 3.9%
A 0.504s 130 1.4%
A 0.534s 13 0.1%
A 0.565s -3 0.0%
B 0.020s 9148 99.9%
B 0.051s 9038 98.7%
B 0.081s 8771 95.8%
B 0.111s 8404 91.8%
B 0.142s 7943 86.8%
B 0.172s 7357 80.4%
B 0.202s 6662 72.8%
B 0.233s 5873 64.2%
B 0.263s 4959 54.2%
B 0.293s 4006 43.8%
B 0.324s 3142 34.3%
B 0.354s 2350 25.7%
B 0.384s 1699 18.6%
B 0.414s 1136 12.4%
B 0.445s 673 7.4%
B 0.475s 351 3.8%
B 0.505s 123 1.3%
B 0.536s 5 0.1%
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 0.566 seconds.
Shutter B opened to 99.9 percent in 0.536 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= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.14e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=c[4] foc=9899 IDLE
Tue Mar 17 19:04:55 -03 2026 [elapsed=307 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:
154M Mar 17 19:05 /atlas/obs/04a/61117/04a61117e0001c.arch.fz
AUXCAM: Skipping (noauxcam=1).
Tue Mar 17 19:05:18 -03 2026 [elapsed=330 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (12 seconds old)
OTA humidity level...OK (5%)
Dome humidity exists...OK
Dome humidity is current... OK
Tue Mar 17 19:05:18 -03 2026 [elapsed=330 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61116.92035329|info|galildriver|using focus model: foc=9830+(3.50)*25.7+(-0.35)*60.2=9898.9
61116.92035796|info|galildriver|c 4 IN | cass: 9135247 45.68 mm b=23 move=NO | arm: 407051 473.88 mm b=03 move=OK | foc: 53270935 9900 um b=0f [cmd]
bestfocus for c...OK
Tue Mar 17 19:05:19 -03 2026 [elapsed=331 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Tue Mar 17 19:05:53 -03 2026 [elapsed=365 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.
Tue Mar 17 19:05:54 -03 2026 [elapsed=366 sec] Happy observing!
Tue Mar 17 19:05:54 -03 2026 [elapsed=366 sec] Preflight took 365 seconds to complete.
Tue Mar 17 19:05:54 -03 2026 [elapsed=366 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 0.050s 116 1.3% A 0.081s 373 4.1% A 0.111s 718 7.8% A 0.141s 1182 12.9% A 0.171s 1759 19.2% A 0.202s 2441 26.7% A 0.232s 3238 35.4% A 0.262s 4144 45.3% A 0.292s 5077 55.5% A 0.322s 5963 65.1% A 0.353s 6756 73.8% A 0.383s 7412 81.0% A 0.413s 7991 87.3% A 0.444s 8446 92.3% A 0.474s 8779 95.9% A 0.504s 9023 98.6% A 0.534s 9137 99.8% A 0.565s 9152 100.0% B 0.020s -1 -0.0% B 0.050s 105 1.1% B 0.081s 378 4.1% B 0.111s 714 7.8% B 0.141s 1185 12.9% B 0.171s 1753 19.2% B 0.202s 2441 26.7% B 0.232s 3240 35.4% B 0.262s 4135 45.2% B 0.292s 5074 55.4% B 0.322s 5959 65.1% B 0.352s 6749 73.7% B 0.383s 7418 81.0% B 0.413s 7986 87.2% B 0.443s 8431 92.1% B 0.473s 8778 95.9% B 0.503s 9012 98.4% B 0.534s 9133 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9155 100.0% A 0.050s 9050 98.9% A 0.081s 8783 95.9% A 0.111s 8430 92.1% A 0.141s 7965 87.0% A 0.171s 7385 80.7% A 0.202s 6694 73.1% A 0.232s 5903 64.5% A 0.262s 4982 54.4% A 0.293s 4045 44.2% A 0.323s 3172 34.7% A 0.353s 2381 26.0% A 0.383s 1714 18.7% A 0.414s 1146 12.5% A 0.444s 692 7.6% A 0.474s 360 3.9% A 0.504s 125 1.4% A 0.535s 15 0.2% A 0.565s 4 0.0% B 0.020s 9144 99.9% B 0.050s 9009 98.4% B 0.081s 8770 95.8% B 0.111s 8420 92.0% B 0.141s 7951 86.9% B 0.171s 7377 80.6% B 0.202s 6687 73.1% B 0.232s 5892 64.4% B 0.262s 4983 54.4% B 0.292s 4052 44.3% B 0.322s 3161 34.5% B 0.353s 2393 26.1% B 0.383s 1704 18.6% B 0.413s 1147 12.5% B 0.443s 700 7.6% B 0.474s 355 3.9% B 0.504s 133 1.5% B 0.534s 13 0.1% B 0.564s 0 0.0% A -1 -0.0mm 15 N F R | B 0 0.0mm 15 N F R