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SKW3341 SkyWest

Embraer EMB-175 LR · N184SY · SNA → SFO

· 1:19Quality 80side-onturned right 15°

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −53%). 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
6.5 s
Centring, medianaz / el while locked
0.57° / 0.39°
Centring, 90th pctaz / el while locked
1.40° / 1.02°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
3.5 s
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
13.2 s
Jitter at teleaz / el, standard deviation
0.72° / 0.38°
Swing at teleaz / el, peak to peak
2.52° / 1.45°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
4.80°
Largest tilt hopin any 1 s at tele
2.28°
Pose error, mediancommand vs camera
1.12°
Largest correctionvision vs prediction
1.52°
Zoom steps
39

Aircraft & route

Flight
SKW3341
Registration
N184SY
Type
Embraer EMB-175 LR
Airline
SkyWest
From
SNA · Santa Ana
To
SFO · San Francisco
Ground speed
338 kt
Altitude at closest
13,000 ft
Vertical rate
-1,536 ft/min
Category
A3
ICAO hex
a1512f

Pass geometry

Max elevation
72.5°
Elevation at start → end
31.8° → 28.1°
Azimuth at start → end
330° NNW → 137° SE
Closest-approach azimuth
50° NE
Minimum slant range
4.1 km
Heading at closest
140° SE
Aspect at closest
side-on (90°)
Turn
turned right 15°
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
1:19 (79.2 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
2026-10-13k — centred plane + noisy motion check no longer demotes the zoom
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
40.0 MB · 80.0 s · offset -1.8 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