skylight.

EJA265 NetJets

N265QS · SFO → BZN

· 1:09Quality 87nose/tail

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −67%). 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
70%
First lockfrom target selected
5.8 s
Centring, medianaz / el while locked
0.27° / 0.30°
Centring, 90th pctaz / el while locked
4.85° / 2.59°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
27.1 s
Time to tightestfrom first lock
48.6 s
Time at telefield of view ≤ 5.5°
24.8 s
Jitter at teleaz / el, standard deviation
0.17° / 0.29°
Swing at teleaz / el, peak to peak
0.68° / 1.23°
Pan reversalsper 10 s at tele
1.2
Largest pan hopin any 1 s at tele
1.21°
Largest tilt hopin any 1 s at tele
1.50°
Pose error, mediancommand vs camera
0.58°
Largest correctionvision vs prediction
2.84°
Zoom steps
44

Aircraft & route

Flight
EJA265
Registration
N265QS
Type
—
Airline
NetJets
From
SFO · San Francisco
To
BZN · Bozeman
Ground speed
221 kt
Altitude at closest
2,425 ft
Vertical rate
—
Category
A2
ICAO hex
a292ff

Pass geometry

Max elevation
86.5°
Elevation at start → end
15.1° → 13.5°
Azimuth at start → end
115° ESE → 298° WNW
Closest-approach azimuth
20° NNE
Minimum slant range
734 m
Heading at closest
297° WNW
Aspect at closest
nose/tail (5°)
Turn
straight (0°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:09 (69.0 s)
Lock
70%

Build & tuning

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

Build
2026-10-14g — vision expected spot at frame time, departure pre-zoom, focus from profile, damped lead learner
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
34.5 MB · 69.0 s · offset -0.9 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
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