skylight.

N51HF

Cessna 206H · N51HF

· 1:46Quality 71lost lockwrap pinnedclip shortnose/tailturned right 32°Dead-zone wrap

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −49%). 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
51%
First lockfrom target selected
30.2 s
Centring, medianaz / el while locked
0.08° / 0.13°
Centring, 90th pctaz / el while locked
0.27° / 0.34°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
2.2 s
Time to tightestfrom first lock
6.8 s
Time at telefield of view ≤ 5.5°
57.4 s
Jitter at teleaz / el, standard deviation
0.13° / 0.17°
Swing at teleaz / el, peak to peak
0.84° / 0.82°
Pan reversalsper 10 s at tele
1.9
Largest pan hopin any 1 s at tele
0.85°
Largest tilt hopin any 1 s at tele
1.21°
Pose error, mediancommand vs camera
0.31°
Largest correctionvision vs prediction
1.08°
Zoom steps
73

Aircraft & route

Flight
N51HF
Registration
N51HF
Type
Cessna 206H
Airline
—
From
—
To
—
Ground speed
121 kt
Altitude at closest
5,675 ft
Vertical rate
-64 ft/min
Category
A1
ICAO hex
a65fcb

Pass geometry

Max elevation
50.2°
Elevation at start → end
13.2° → 50.2°
Azimuth at start → end
148° SSE → 170° S
Closest-approach azimuth
170° S
Minimum slant range
2.3 km
Heading at closest
338° NNW
Aspect at closest
nose/tail (12°)
Turn
turned right 32°
Departure
No
Zenith pass
No
Dead-zone wrap
Yes — pan pre-positioned across the stop
Duration
1:46 (105.6 s)
Lock
51%

Build & tuning

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

Build
2026-10-16c — mount prior carried to the next target (silhouette reach reverted)
Commit
8649c7d
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
61.2 MB · 73.4 s · offset 0.3 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
-0.1
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