skylight.

EJA983 NetJets

N983QS · SFO → SFO

· 1:53Quality 73nose/tailturned left 20°

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −54%). 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
75%
First lockfrom target selected
24.2 s
Centring, medianaz / el while locked
0.17° / 0.23°
Centring, 90th pctaz / el while locked
0.75° / 1.47°
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
0.47°
Largest correctionvision vs prediction
1.57°
Zoom steps
8

Aircraft & route

Flight
EJA983
Registration
N983QS
Type
—
Airline
NetJets
From
SFO
To
SFO
Ground speed
196 kt
Altitude at closest
2,275 ft
Vertical rate
+2,496 ft/min
Category
A2
ICAO hex
adb7b8

Pass geometry

Max elevation
86.2°
Elevation at start → end
1.3° → 14.1°
Azimuth at start → end
117° ESE → 295° WNW
Closest-approach azimuth
33° NNE
Minimum slant range
733 m
Heading at closest
297° WNW
Aspect at closest
nose/tail (6°)
Turn
turned left 20°
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:53 (113.4 s)
Lock
75%

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
56.7 MB · 113.0 s · offset -1.2 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