skylight.

N3E

Boeing 737-8 · N3E

· 0:21Quality 86side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −76%). 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
69%
First lockfrom target selected
6.3 s
Centring, medianaz / el while locked
0.12° / 0.14°
Centring, 90th pctaz / el while locked
0.29° / 0.66°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
2.2 s
Time to tightestfrom first lock
4.2 s
Time at telefield of view ≤ 5.5°
10.8 s
Jitter at teleaz / el, standard deviation
0.13° / 0.18°
Swing at teleaz / el, peak to peak
0.58° / 0.86°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
1.83°
Largest tilt hopin any 1 s at tele
1.14°
Pose error, mediancommand vs camera
0.84°
Largest correctionvision vs prediction
1.27°
Zoom steps
27

Aircraft & route

Flight
N3E
Registration
N3E
Type
Boeing 737-8
Airline
—
From
—
To
—
Ground speed
260 kt
Altitude at closest
6,150 ft
Vertical rate
0 ft/min
Category
A3
ICAO hex
a31b04

Pass geometry

Max elevation
16.5°
Elevation at start → end
16.5° → 15.5°
Azimuth at start → end
24° NNE → 48° NE
Closest-approach azimuth
27° NNE
Minimum slant range
6.6 km
Heading at closest
116° ESE
Aspect at closest
side-on (89°)
Turn
straight (0°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
0:21 (21.0 s)
Lock
69%

Build & tuning

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

Build
2026-10-15o — sun keep-out by the frame; no video, no pass
Commit
cb31ea0
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
10.5 MB · 21.0 s · offset -1.2 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