skylight.

FWR1080

· 1:06Quality 80lost lockside-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −79%). Download

Trace

Where the aircraft sat in the frame, second by second. Click the chart to jump the video there.

—FOV —az —el —pose —
Lock

Events

Tracking metrics

How well the camera kept the aircraft centred. Tap a metric for what it means and what good looks like.

Lockshare of the pass
65%
First lockfrom target selected
16.0 s
Centring, medianaz / el while locked
0.26° / 0.34°
Centring, 90th pctaz / el while locked
3.57° / 4.07°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
21.7 s
Time to tightestfrom first lock
33.7 s
Time at telefield of view ≤ 5.5°
23.0 s
Jitter at teleaz / el, standard deviation
0.15° / 0.18°
Swing at teleaz / el, peak to peak
0.61° / 0.84°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
0.88°
Largest tilt hopin any 1 s at tele
2.21°
Pose error, mediancommand vs camera
1.06°
Largest correctionvision vs prediction
1.72°
Zoom steps
51

Aircraft & route

Flight
FWR1080
Registration
—
Type
—
Airline
—
From
—
To
—
Ground speed
194 kt
Altitude at closest
1,125 ft
Vertical rate
+2,880 ft/min
Category
A3
ICAO hex
a03d37

Pass geometry

Max elevation
76.2°
Elevation at start → end
-0.1° → 11.8°
Azimuth at start → end
116° ESE → 298° WNW
Closest-approach azimuth
23° NNE
Minimum slant range
397 m
Heading at closest
297° WNW
Aspect at closest
side-on (86°)
Turn
straight (0°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:06 (65.5 s)
Lock
65%

Build & tuning

The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.

Build
2026-10-16h — lock-first association on (A/B −40% tele gaps)
Commit
dfc3684
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
33.0 MB · 66.0 s · offset -1.3 s
pursuit
velocity
maxLeadSec
3
panLatencySec
0.6
tiltLatencySec
0.4
rippleDeg
0.5
rippleTeleDeg
0.25
maxSpeedStepFwps
0.45
speedReachFrac
0.8
lockedSigmaDeg
0.35
sigmaGrowthDps
0.1
aimLeadSec
-0.06
correctionSlewDps
2.5
kp
1
ki
0.6

This clip and poster are © Skylight (Cameron Paczek): free for non-commercial use with credit to skylightceiling.com, not MIT. License