skylight.

EJA826 NetJets

N826QS · SFO → ?

· 1:13Quality 73nose/tailOverhead

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −38%). 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
63%
First lockfrom target selected
18.0 s
Centring, medianaz / el while locked
0.17° / 0.59°
Centring, 90th pctaz / el while locked
0.50° / 1.65°
Tightest field of viewhorizontal
10.8°
Time to 8°from first lock
—
Time to tightestfrom first lock
0.0 s
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
0.62°
Largest correctionvision vs prediction
0.90°
Zoom steps
0

Aircraft & route

Flight
EJA826
Registration
N826QS
Type
—
Airline
NetJets
From
SFO
To
—
Ground speed
228 kt
Altitude at closest
1,800 ft
Vertical rate
+3,328 ft/min
Category
A2
ICAO hex
ab4894

Pass geometry

Max elevation
89.2°
Elevation at start → end
2.2° → 14.0°
Azimuth at start → end
117° ESE → 298° WNW
Closest-approach azimuth
1° N
Minimum slant range
577 m
Heading at closest
295° WNW
Aspect at closest
nose/tail (1°)
Turn
straight (6°)
Departure
Yes — climbing out after take-off
Zenith pass
Yes — camera flipped over the top
Dead-zone wrap
No
Duration
1:13 (72.7 s)
Lock
63%

Build & tuning

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

Build
2026-10-13g — debanding (archive s2 + live shader)
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
36.5 MB · 73.0 s · offset -1.4 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