skylight.

EJA284 NetJets

N284QS

· 0:45Quality 82side-onOverhead

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −71%). 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
61%
First lockfrom target selected
14.8 s
Centring, medianaz / el while locked
0.32° / 0.60°
Centring, 90th pctaz / el while locked
2.56° / 2.15°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
7.6 s
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
12.5 s
Jitter at teleaz / el, standard deviation
0.22° / 0.34°
Swing at teleaz / el, peak to peak
0.96° / 1.34°
Pan reversalsper 10 s at tele
1.6
Largest pan hopin any 1 s at tele
1.30°
Largest tilt hopin any 1 s at tele
1.88°
Pose error, mediancommand vs camera
1.01°
Largest correctionvision vs prediction
1.67°
Zoom steps
23

Aircraft & route

Flight
EJA284
Registration
N284QS
Type
—
Airline
NetJets
From
—
To
—
Ground speed
172 kt
Altitude at closest
1,300 ft
Vertical rate
—
Category
A2
ICAO hex
a2de46

Pass geometry

Max elevation
78.6°
Elevation at start → end
16.9° → 13.0°
Azimuth at start → end
112° ESE → 299° WNW
Closest-approach azimuth
32° NNE
Minimum slant range
394 m
Heading at closest
297° WNW
Aspect at closest
side-on (85°)
Turn
straight (0°)
Departure
Yes — climbing out after take-off
Zenith pass
Yes — camera flipped over the top
Dead-zone wrap
No
Duration
0:45 (44.5 s)
Lock
61%

Build & tuning

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

Build
2026-10-13i — slower zoom ladder (one rung, 1.5 s)
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
22.5 MB · 45.0 s · offset -1.7 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