skylight.

LXJ594 Flexjet

Bombardier Challenger 350 · N594FX · SFO → ?

· 1:17Quality 87side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −73%). 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
57%
First lockfrom target selected
11.3 s
Centring, medianaz / el while locked
0.25° / 0.41°
Centring, 90th pctaz / el while locked
1.21° / 2.11°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
19.3 s
Time to tightestfrom first lock
20.8 s
Time at telefield of view ≤ 5.5°
19.2 s
Jitter at teleaz / el, standard deviation
0.26° / 0.26°
Swing at teleaz / el, peak to peak
0.84° / 0.99°
Pan reversalsper 10 s at tele
2.6
Largest pan hopin any 1 s at tele
1.32°
Largest tilt hopin any 1 s at tele
1.46°
Pose error, mediancommand vs camera
0.51°
Largest correctionvision vs prediction
2.72°
Zoom steps
55

Aircraft & route

Flight
LXJ594
Registration
N594FX
Type
Bombardier Challenger 350
Airline
Flexjet
From
SFO
To
—
Ground speed
212 kt
Altitude at closest
2,225 ft
Vertical rate
—
Category
A2
ICAO hex
a7acd6

Pass geometry

Max elevation
74.6°
Elevation at start → end
15.6° → 13.1°
Azimuth at start → end
114° ESE → 299° WNW
Closest-approach azimuth
31° NNE
Minimum slant range
704 m
Heading at closest
302° WNW
Aspect at closest
side-on (90°)
Turn
straight (10°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:17 (76.6 s)
Lock
57%

Build & tuning

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

Build
2026-10-12i — focus jumps only to trusted tele points; rate-steered setpoint; bias learned only when still
Commit
68739f5+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
38.3 MB · 77.0 s · offset -1.7 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