skylight.

N16MF

· 2:52Quality 74lost lockside-onturned 38°

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −57%). 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
58%
First lockfrom target selected
4.6 s
Centring, medianaz / el while locked
0.12° / 0.11°
Centring, 90th pctaz / el while locked
0.35° / 0.33°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
62.6 s
Time to tightestfrom first lock
133.9 s
Time at telefield of view ≤ 5.5°
96.4 s
Jitter at teleaz / el, standard deviation
0.21° / 0.15°
Swing at teleaz / el, peak to peak
1.49° / 0.98°
Pan reversalsper 10 s at tele
0.2
Largest pan hopin any 1 s at tele
5.62°
Largest tilt hopin any 1 s at tele
1.92°
Pose error, mediancommand vs camera
0.55°
Largest correctionvision vs prediction
2.17°
Zoom steps
99

Aircraft & route

Flight
N16MF
Registration
—
Type
—
Airline
—
From
—
To
—
Ground speed
322 kt
Altitude at closest
12,950 ft
Vertical rate
-2,048 ft/min
Category
A3
ICAO hex
a0f06e

Pass geometry

Max elevation
72.2°
Elevation at start → end
18.6° → 12.8°
Azimuth at start → end
333° NNW → 148° SSE
Closest-approach azimuth
49° NE
Minimum slant range
4.1 km
Heading at closest
140° SE
Aspect at closest
side-on (89°)
Turn
turned 38°
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
2:52 (171.8 s)
Lock
58%

Build & tuning

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

Build
2026-10-15p — selection hysteresis; auto-cal drops stale bias
Commit
b8aa462
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
86.0 MB · 172.0 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