CHL Preflight Night 61212
Executing preflight for 61212 at Sat Jun 20 17:22:39 -04 2026.
Log can be found in /atlas/obs/04/61212/preflight.dat.
Setting donefile '/atlas/obs/04/61212/preflight_complete.20260620212239.11354' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20260620212239.11354.
Sat Jun 20 17:22:39 -04 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Sat Jun 20 17:22:39 -04 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [72460013-ce82-4b2d-935b-675d35c053a8;1800]
Sat Jun 20 17:22:39 -04 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Sat Jun 20 17:22:40 -04 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Sat Jun 20 17:22:40 -04 2026 [elapsed=1 sec] auxcam is disabled.
Sat Jun 20 17:22:40 -04 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Sat Jun 20 17:22:40 -04 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1781990559
OK
Sat Jun 20 17:22:40 -04 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Sat Jun 20 17:22:40 -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 20 17:22:42 -04 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
Sat Jun 20 17:22:42 -04 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Sat Jun 20 17:22:42 -04 2026 [elapsed=3 sec] CLOCKS
admin: Sat Jun 20 21:22:42 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 674 1024 377 0.342 0.262 0.118
+10.0.11.4 .GPS. 1 u 122 1024 377 0.627 0.398 0.147
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
+alphyn.canonica 132.163.96.1 2 u 488 1024 177 147.639 -5.235 1.442
-185.125.190.56 99.220.8.133 2 u 45 1024 377 222.325 -6.817 1.500
-185.125.190.58 146.131.121.246 2 u 374 1024 377 224.663 -7.352 1.227
-185.125.190.57 99.220.8.133 2 u 534 1024 377 226.091 -8.860 0.745
Sat Jun 20 17:22:43 -04 2026 [elapsed=4 sec] DISKS
200GB available in /atlas/obs...OK (4421GB)
200GB available in /atlas/red...OK (8927GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 6.0T 4.3T 59% /
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 18G 38G 32% /
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 5.2T 8.6T 38% /
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc2:/dev/md0p1 15T 450G 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 903G 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 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 20 17:22:43 -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 20 17:22:44 -04 2026 [elapsed=5 sec] Disabling mount tracking.
Sat Jun 20 17:22:44 -04 2026 [elapsed=5 sec] SERVICES2
Sat Jun 20 17:22:44 -04 2026 [elapsed=5 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Sat Jun 20 17:22:48 -04 2026 [elapsed=9 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
Sat Jun 20 17:25:41 -04 2026 [elapsed=182 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: 157.71 -27.58, az/alt=324.66 +86.49 idle(e) IDLE
Sat Jun 20 17:26:39 -04 2026 [elapsed=240 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Sat Jun 20 17:27:01 -04 2026 [elapsed=262 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=688/0 spi=38.6 IDLE
Sat Jun 20 17:27:01 -04 2026 [elapsed=262 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 (-54.5C)
Checking CCD plane: Z0=-193.00 DZDX=+456.00 DZDY=-417.00
acam: -54C CCD TEC ION e=30.0s d=0.6s N=688 IDLE
Sat Jun 20 17:27:01 -04 2026 [elapsed=262 sec] WEATHER
status weather: C 15.2C 17% 2/2kph@49 DP24.0C/-9C/d IDLE
...OK
Sat Jun 20 17:27:02 -04 2026 [elapsed=263 sec] MET
status...OK
met: c=N o=Y Ro1d Co1d Wo1d Ho1d To1d Do1d IDLE
Sat Jun 20 17:27:02 -04 2026 [elapsed=263 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Sat Jun 20 17:27:02 -04 2026 [elapsed=263 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 186.38 -12.93, az/alt=59.88 +60.07 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 4 0.0%
A 0.051s 107 1.2%
A 0.081s 377 4.1%
A 0.111s 716 7.8%
A 0.141s 1188 13.0%
A 0.172s 1756 19.2%
A 0.202s 2441 26.7%
A 0.232s 3235 35.3%
A 0.263s 4129 45.1%
A 0.293s 5083 55.5%
A 0.323s 5958 65.1%
A 0.353s 6755 73.8%
A 0.384s 7412 81.0%
A 0.414s 7992 87.3%
A 0.444s 8446 92.3%
A 0.474s 8787 96.0%
A 0.505s 9026 98.6%
A 0.535s 9140 99.8%
A 0.565s 9158 100.0%
B 0.020s 2 0.0%
B 0.050s 88 1.0%
B 0.081s 373 4.1%
B 0.111s 735 8.0%
B 0.141s 1191 13.0%
B 0.172s 1779 19.4%
B 0.202s 2470 27.0%
B 0.232s 3255 35.6%
B 0.263s 4169 45.5%
B 0.293s 5112 55.8%
B 0.323s 5995 65.5%
B 0.354s 6782 74.1%
B 0.384s 7430 81.2%
B 0.414s 8009 87.5%
B 0.444s 8460 92.4%
B 0.475s 8792 96.0%
B 0.505s 9031 98.7%
B 0.535s 9147 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9152 100.0%
A 0.050s 9053 98.9%
A 0.081s 8773 95.8%
A 0.111s 8427 92.1%
A 0.141s 7964 87.0%
A 0.172s 7395 80.8%
A 0.202s 6691 73.1%
A 0.232s 5925 64.7%
A 0.262s 5011 54.7%
A 0.293s 4051 44.3%
A 0.323s 3196 34.9%
A 0.353s 2402 26.2%
A 0.383s 1735 19.0%
A 0.414s 1154 12.6%
A 0.444s 714 7.8%
A 0.474s 355 3.9%
A 0.505s 134 1.5%
A 0.535s 11 0.1%
A 0.565s -5 0.0%
B 0.020s 9148 99.9%
B 0.051s 9038 98.7%
B 0.081s 8772 95.8%
B 0.111s 8417 91.9%
B 0.142s 7959 86.9%
B 0.172s 7378 80.6%
B 0.202s 6685 73.0%
B 0.232s 5897 64.4%
B 0.263s 4989 54.5%
B 0.293s 4035 44.1%
B 0.323s 3167 34.6%
B 0.354s 2372 25.9%
B 0.384s 1715 18.7%
B 0.414s 1149 12.6%
B 0.444s 686 7.5%
B 0.475s 358 3.9%
B 0.505s 127 1.4%
B 0.535s 4 0.0%
A 0 0.0mm 15 N F R | B -4 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.565 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 0.0 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed= 813x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9867 IDLE
Sat Jun 20 17:27:39 -04 2026 [elapsed=300 sec] IMAGING (acam+auxcam)
status...OK
cam: main=[idle] aux=[off] N=688/0 spi=38.6 IDLE
taking preflight exposures:
acam...OK
acam image:
157M Jun 20 17:27 /atlas/obs/04a/61212/04a61212e0002o.arch.fz
AUXCAM: Skipping (noauxcam=1).
Sat Jun 20 17:28:01 -04 2026 [elapsed=322 sec] DEHUMIDIFIER
OTA humidity exists...OK
OTA humidity is current... OK (29 seconds old)
OTA humidity level...OK (6%)
Dome humidity exists...OK
Dome humidity is current... OK
Sat Jun 20 17:28:01 -04 2026 [elapsed=322 sec] SCHEDULE
Status...OK
Checking scheduled filter...correct filter inserted
dfm: OK [bestfocus]
61211.89446931|info|galildriver|using focus model: foc=9830+(3.50)*16.9+(-0.35)*60.3=9868.1
61211.89447398|info|galildriver|o 3 IN | cass: 6104175 30.52 mm b=23 move=NO | arm: 406798 473.58 mm b=03 move=OK | foc: 53277377 9867 um b=0f [cmd]
bestfocus for o...OK
Sat Jun 20 17:28:03 -04 2026 [elapsed=324 sec] Parking the mount.
Parking ... mount: task <-parksouth> accepted
Waiting ... Mount is parked.
Sat Jun 20 17:28:32 -04 2026 [elapsed=353 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 20 17:28:33 -04 2026 [elapsed=354 sec] Happy observing!
Sat Jun 20 17:28:33 -04 2026 [elapsed=354 sec] Preflight took 354 seconds to complete.
Sat Jun 20 17:28:33 -04 2026 [elapsed=354 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 0.051s 114 1.2% A 0.081s 384 4.2% A 0.111s 736 8.0% A 0.142s 1197 13.1% A 0.172s 1783 19.5% A 0.202s 2466 26.9% A 0.233s 3267 35.7% A 0.263s 4205 45.9% A 0.294s 5104 55.8% A 0.324s 6025 65.8% A 0.355s 6798 74.3% A 0.385s 7453 81.4% A 0.416s 8040 87.8% A 0.446s 8481 92.6% A 0.477s 8811 96.3% A 0.507s 9038 98.7% A 0.538s 9140 99.8% A 0.568s 9153 100.0% B 0.020s 2 0.0% B 0.051s 113 1.2% B 0.081s 378 4.1% B 0.112s 727 7.9% B 0.142s 1202 13.1% B 0.173s 1773 19.4% B 0.203s 2490 27.2% B 0.234s 3298 36.0% B 0.264s 4198 45.9% B 0.295s 5133 56.1% B 0.325s 6016 65.7% B 0.355s 6794 74.2% B 0.386s 7480 81.7% B 0.416s 8033 87.8% B 0.446s 8480 92.6% B 0.477s 8814 96.3% B 0.507s 9033 98.7% B 0.538s 9143 99.9% B 0.568s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9147 99.9% A 0.051s 9039 98.7% A 0.082s 8751 95.6% A 0.112s 8391 91.7% A 0.143s 7919 86.5% A 0.173s 7315 79.9% A 0.204s 6615 72.3% A 0.235s 5807 63.4% A 0.265s 4855 53.0% A 0.295s 3917 42.8% A 0.326s 3056 33.4% A 0.356s 2292 25.0% A 0.387s 1633 17.8% A 0.417s 1065 11.6% A 0.448s 633 6.9% A 0.478s 314 3.4% A 0.509s 99 1.1% A 0.539s 7 0.1% B 0.020s 9144 99.9% B 0.051s 9024 98.6% B 0.081s 8770 95.8% B 0.112s 8421 92.0% B 0.142s 7951 86.9% B 0.173s 7356 80.4% B 0.203s 6665 72.8% B 0.234s 5862 64.0% B 0.265s 4919 53.7% B 0.295s 3993 43.6% B 0.325s 3109 34.0% B 0.356s 2345 25.6% B 0.386s 1661 18.1% B 0.416s 1117 12.2% B 0.447s 674 7.4% B 0.477s 338 3.7% B 0.508s 116 1.3% B 0.539s 9 0.1% A -1 -0.0mm 15 N F R | B 1 0.0mm 15 N F R