skylight.

SWA2791 Southwest Airlines

Boeing 737MAX 8 · N8746Q · OAK → BUR

· 0:30Quality 67side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −68%). 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
50%
First lockfrom target selected
8.4 s
Centring, medianaz / el while locked
0.87° / 0.25°
Centring, 90th pctaz / el while locked
5.68° / 1.13°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
11.0 s
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
3.2 s
Jitter at teleaz / el, standard deviation
0.00° / 0.00°
Swing at teleaz / el, peak to peak
0.00° / 0.00°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
4.78°
Largest tilt hopin any 1 s at tele
1.20°
Pose error, mediancommand vs camera
1.82°
Largest correctionvision vs prediction
0.58°
Zoom steps
26

Aircraft & route

Flight
SWA2791
Registration
N8746Q
Type
Boeing 737MAX 8
Airline
Southwest Airlines
From
OAK · Oakland
To
BUR · Burbank
Ground speed
303 kt
Altitude at closest
8,825 ft
Vertical rate
+3,072 ft/min
Category
A3
ICAO hex
ac086b

Pass geometry

Max elevation
30.4°
Elevation at start → end
23.0° → 30.0°
Azimuth at start → end
305° NW → 251° WSW
Closest-approach azimuth
258° WSW
Minimum slant range
5.2 km
Heading at closest
179° S
Aspect at closest
side-on (78°)
Turn
straight (2°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
0:30 (30.2 s)
Lock
50%

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
14.9 MB · 30.0 s · offset -1.3 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