skylight.

EJA783 NetJets

Bombardier Challenger 350 · N783QS

· 0:32Quality 2no planelost locknose/tail

3D replay

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
23%
First lockfrom target selected
11.8 s
Centring, medianaz / el while locked
0.16° / 0.14°
Centring, 90th pctaz / el while locked
0.54° / 0.41°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
3.1 s
Time to tightestfrom first lock
10.8 s
Time at telefield of view ≤ 5.5°
10.2 s
Jitter at teleaz / el, standard deviation
0.05° / 0.12°
Swing at teleaz / el, peak to peak
0.13° / 0.34°
Pan reversalsper 10 s at tele
2.0
Largest pan hopin any 1 s at tele
0.59°
Largest tilt hopin any 1 s at tele
0.46°
Pose error, mediancommand vs camera
0.48°
Largest correctionvision vs prediction
0.13°
Zoom steps
39

Aircraft & route

Flight
EJA783
Registration
N783QS
Type
Bombardier Challenger 350
Airline
NetJets
From
—
To
—
Ground speed
218 kt
Altitude at closest
2,775 ft
Vertical rate
—
Category
A2
ICAO hex
aa9d1a

Pass geometry

Max elevation
20.3°
Elevation at start → end
20.3° → 11.8°
Azimuth at start → end
300° WNW → 298° WNW
Closest-approach azimuth
300° WNW
Minimum slant range
2.5 km
Heading at closest
298° WNW
Aspect at closest
nose/tail (2°)
Turn
straight (2°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
0:32 (31.6 s)
Lock
23%

Build & tuning

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

Build
2026-10-15s — bias fold follows a ramp; no pass below the skyline
Commit
cdd2256
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
15.1 MB · 32.0 s · offset -1.5 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
-0.16
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