skylight.

EVA007 EVA Air

Boeing 787-9 · B-17886

· 0:30Quality 79nose/tail

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −56%). 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
85%
First lockfrom target selected
1.2 s
Centring, medianaz / el while locked
1.17° / 0.79°
Centring, 90th pctaz / el while locked
4.90° / 5.44°
Tightest field of viewhorizontal
10.8°
Time to 8°from first lock
—
Time to tightestfrom first lock
24.3 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
1.98°
Largest correctionvision vs prediction
3.27°
Zoom steps
16

Aircraft & route

Flight
EVA007
Registration
B-17886
Type
Boeing 787-9
Airline
EVA Air
From
—
To
—
Ground speed
191 kt
Altitude at closest
1,075 ft
Vertical rate
—
Category
A5
ICAO hex
899136

Pass geometry

Max elevation
81.4°
Elevation at start → end
17.2° → 12.6°
Azimuth at start → end
114° ESE → 300° WNW
Closest-approach azimuth
28° NNE
Minimum slant range
322 m
Heading at closest
298° WNW
Aspect at closest
nose/tail (5°)
Turn
straight (2°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
0:30 (29.7 s)
Lock
85%

Build & tuning

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

Build
2026-10-14f — camera profile, head-axes control, speed floor, park from profile, learned lead
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
14.5 MB · 29.0 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