skylight.

TWY50

Dassault Falcon 7X · N50NL

· 1:50Quality 91side-onturned left 41°

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −78%). 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
92%
First lockfrom target selected
8.0 s
Centring, medianaz / el while locked
0.14° / 0.13°
Centring, 90th pctaz / el while locked
0.37° / 0.30°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
6.9 s
Time to tightestfrom first lock
93.9 s
Time at telefield of view ≤ 5.5°
94.7 s
Jitter at teleaz / el, standard deviation
0.20° / 0.18°
Swing at teleaz / el, peak to peak
1.02° / 1.09°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
2.62°
Largest tilt hopin any 1 s at tele
1.41°
Pose error, mediancommand vs camera
0.64°
Largest correctionvision vs prediction
0.99°
Zoom steps
42

Aircraft & route

Flight
TWY50
Registration
N50NL
Type
Dassault Falcon 7X
Airline
—
From
—
To
—
Ground speed
352 kt
Altitude at closest
10,750 ft
Vertical rate
+3,008 ft/min
Category
A2
ICAO hex
a638ce

Pass geometry

Max elevation
33.7°
Elevation at start → end
27.9° → 18.7°
Azimuth at start → end
342° NNW → 217° SW
Closest-approach azimuth
297° WNW
Minimum slant range
5.9 km
Heading at closest
216° SW
Aspect at closest
side-on (81°)
Turn
turned left 41°
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:50 (110.0 s)
Lock
92%

Build & tuning

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

Build
2026-10-16b — silhouette fallback reach 0.8° + multipart uploads
Commit
2ed816b
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
55.0 MB · 110.0 s · offset -1.1 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
-0.03
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