skylight.

LXJ525 Flexjet

Bombardier Challenger 300 · N525FX

· 0:33Quality 72side-onOverhead

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −66%). 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
64%
First lockfrom target selected
8.1 s
Centring, medianaz / el while locked
0.59° / 0.60°
Centring, 90th pctaz / el while locked
1.46° / 2.03°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
8.5 s
Time to tightestfrom first lock
18.2 s
Time at telefield of view ≤ 5.5°
4.3 s
Jitter at teleaz / el, standard deviation
0.22° / 0.27°
Swing at teleaz / el, peak to peak
0.63° / 0.79°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
1.10°
Largest tilt hopin any 1 s at tele
1.15°
Pose error, mediancommand vs camera
1.12°
Largest correctionvision vs prediction
2.72°
Zoom steps
22

Aircraft & route

Flight
LXJ525
Registration
N525FX
Type
Bombardier Challenger 300
Airline
Flexjet
From
—
To
—
Ground speed
206 kt
Altitude at closest
1,675 ft
Vertical rate
—
Category
A2
ICAO hex
a69c14

Pass geometry

Max elevation
75.9°
Elevation at start → end
49.0° → 13.4°
Azimuth at start → end
128° SE → 290° WNW
Closest-approach azimuth
201° SSW
Minimum slant range
531 m
Heading at closest
290° WNW
Aspect at closest
side-on (89°)
Turn
straight (11°)
Departure
Yes — climbing out after take-off
Zenith pass
Yes — camera flipped over the top
Dead-zone wrap
No
Duration
0:33 (33.3 s)
Lock
64%

Build & tuning

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

Build
2026-10-12i — focus jumps only to trusted tele points; rate-steered setpoint; bias learned only when still
Commit
68739f5+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
16.5 MB · 33.0 s · offset -1.1 s
pursuit
velocity
maxLeadSec
3
panLatencySec
0.6
tiltLatencySec
0.4
rippleDeg
0.5
rippleTeleDeg
0.25
rateFloorDegPerDps
2.5
rateFloorMaxDeg
12
lockedSigmaDeg
0.35
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