skylight.

N855VG

Hawker Beechcraft Corp King Air B350 · N855VG

· 0:35Quality 72side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −74%). 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
65%
First lockfrom target selected
1.2 s
Centring, medianaz / el while locked
2.04° / 1.62°
Centring, 90th pctaz / el while locked
5.55° / 9.00°
Tightest field of viewhorizontal
5.0°
Time to 8°from first lock
23.9 s
Time to tightestfrom first lock
24.6 s
Time at telefield of view ≤ 5.5°
3.9 s
Jitter at teleaz / el, standard deviation
0.13° / 0.25°
Swing at teleaz / el, peak to peak
0.40° / 0.65°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
1.44°
Largest tilt hopin any 1 s at tele
1.27°
Pose error, mediancommand vs camera
2.32°
Largest correctionvision vs prediction
2.98°
Zoom steps
25

Aircraft & route

Flight
N855VG
Registration
N855VG
Type
Hawker Beechcraft Corp King Air B350
Airline
—
From
—
To
—
Ground speed
144 kt
Altitude at closest
700 ft
Vertical rate
—
Category
A1
ICAO hex
abbbcd

Pass geometry

Max elevation
53.3°
Elevation at start → end
17.8° → 13.3°
Azimuth at start → end
103° ESE → 301° WNW
Closest-approach azimuth
30° NNE
Minimum slant range
268 m
Heading at closest
301° WNW
Aspect at closest
side-on (89°)
Turn
straight (5°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
0:35 (35.2 s)
Lock
65%

Build & tuning

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

Build
2026-10-13i — slower zoom ladder (one rung, 1.5 s)
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
18.0 MB · 36.0 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