skylight.

DLH458 Lufthansa

Airbus A350 941 · D-AIXI · MUC → SFO

· 1:45Quality 87side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −69%). 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
67%
First lockfrom target selected
7.4 s
Centring, medianaz / el while locked
0.64° / 0.60°
Centring, 90th pctaz / el while locked
2.80° / 1.54°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
8.4 s
Time to tightestfrom first lock
15.9 s
Time at telefield of view ≤ 5.5°
23.1 s
Jitter at teleaz / el, standard deviation
0.32° / 0.59°
Swing at teleaz / el, peak to peak
1.25° / 2.62°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
4.92°
Largest tilt hopin any 1 s at tele
1.96°
Pose error, mediancommand vs camera
0.74°
Largest correctionvision vs prediction
1.02°
Zoom steps
55

Aircraft & route

Flight
DLH458
Registration
D-AIXI
Type
Airbus A350 941
Airline
Lufthansa
From
MUC · Munich
To
SFO · San Francisco
Ground speed
268 kt
Altitude at closest
11,225 ft
Vertical rate
0 ft/min
Category
A5
ICAO hex
3c6709

Pass geometry

Max elevation
70.2°
Elevation at start → end
21.3° → 30.1°
Azimuth at start → end
328° NNW → 129° SE
Closest-approach azimuth
50° NE
Minimum slant range
3.7 km
Heading at closest
140° SE
Aspect at closest
side-on (90°)
Turn
straight (3°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
1:45 (105.4 s)
Lock
67%

Build & tuning

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

Build
2026-10-13k — centred plane + noisy motion check no longer demotes the zoom
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
53.0 MB · 106.0 s · offset -1.5 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