skylight.

SWA3329 Southwest Airlines

Boeing 737-8 · N8779Q

· 1:20Quality 91side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −75%). 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
84%
First lockfrom target selected
9.5 s
Centring, medianaz / el while locked
0.13° / 0.10°
Centring, 90th pctaz / el while locked
0.44° / 0.28°
Tightest field of viewhorizontal
4.0°
Time to 8°from first lock
5.6 s
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
45.0 s
Jitter at teleaz / el, standard deviation
0.18° / 0.14°
Swing at teleaz / el, peak to peak
1.41° / 0.93°
Pan reversalsper 10 s at tele
0.4
Largest pan hopin any 1 s at tele
4.57°
Largest tilt hopin any 1 s at tele
2.45°
Pose error, mediancommand vs camera
1.03°
Largest correctionvision vs prediction
0.95°
Zoom steps
53

Aircraft & route

Flight
SWA3329
Registration
N8779Q
Type
Boeing 737-8
Airline
Southwest Airlines
From
—
To
—
Ground speed
317 kt
Altitude at closest
12,750 ft
Vertical rate
-640 ft/min
Category
A3
ICAO hex
ac13f9

Pass geometry

Max elevation
72.1°
Elevation at start → end
27.4° → 37.7°
Azimuth at start → end
329° NNW → 131° SE
Closest-approach azimuth
50° NE
Minimum slant range
4.1 km
Heading at closest
140° SE
Aspect at closest
side-on (90°)
Turn
straight (11°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
1:20 (80.0 s)
Lock
84%

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
72.1 MB · 80.0 s · offset -1.7 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
-0.15
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