skylight.

POD3

Bombardier BD-100-1A10 · N251FT

· 0:14Quality 40soft focusshortlost locklow zoomnose/tail

3D replay

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
0%
First lockfrom target selected
—
Centring, medianaz / el while locked
—
Centring, 90th pctaz / el while locked
—
Tightest field of viewhorizontal
22.2°
Time to 8°from first lock
—
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
0.0 s
Jitter at teleaz / el, standard deviation
—
Swing at teleaz / el, peak to peak
—
Pan reversalsper 10 s at tele
—
Largest pan hopin any 1 s at tele
—
Largest tilt hopin any 1 s at tele
—
Pose error, mediancommand vs camera
0.78°
Largest correctionvision vs prediction
0.00°
Zoom steps
10

Aircraft & route

Flight
POD3
Registration
N251FT
Type
Bombardier BD-100-1A10 (CL30)
Airline
—
From
—
To
—
Ground speed
171 kt
Altitude at closest
550 ft
Vertical rate
+2,560 ft/min
Category
A2
ICAO hex
a25bc4

Pass geometry

Max elevation
4.4°
Elevation at start → end
0.2° → 4.4°
Azimuth at start → end
117° ESE → 116° ESE
Closest-approach azimuth
116° ESE
Minimum slant range
2.6 km
Heading at closest
298° WNW
Aspect at closest
nose/tail (1°)
Turn
straight (0°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
0:14 (14.0 s)
Lock
0%

Build & tuning

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

Build
2026-10-15q — drive speed latched at the lens position; measured speed bytes only; auto-cal keeps gains
Commit
44f2d6a
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
7.5 MB · 15.0 s · offset -1.8 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
-0.11
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