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ITY641 ITA Airways

Airbus Industrie A330-941 · EI-HJR · SFO → FCO

· 1:12Quality 72soft focusside-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −75%). 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
69%
First lockfrom target selected
20.9 s
Centring, medianaz / el while locked
0.50° / 0.59°
Centring, 90th pctaz / el while locked
3.92° / 3.20°
Tightest field of viewhorizontal
6.6°
Time to 8°from first lock
42.5 s
Time to tightestfrom first lock
43.1 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
0.83°
Largest correctionvision vs prediction
3.23°
Zoom steps
28

Aircraft & route

Flight
ITY641
Registration
EI-HJR
Type
Airbus Industrie A330-941
Airline
ITA Airways
From
SFO · San Francisco
To
FCO · Rome
Ground speed
170 kt
Altitude at closest
1,500 ft
Vertical rate
+1,856 ft/min
Category
A5
ICAO hex
4cadc9

Pass geometry

Max elevation
78.3°
Elevation at start → end
1.4° → 13.8°
Azimuth at start → end
116° ESE → 300° WNW
Closest-approach azimuth
25° NNE
Minimum slant range
489 m
Heading at closest
298° WNW
Aspect at closest
side-on (88°)
Turn
straight (0°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:12 (72.1 s)
Lock
69%

Build & tuning

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

Build
2026-10-14l — vision lock coasts with the plane; a zoom ends a focus drive
Commit
f5b573a
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
36.0 MB · 72.0 s · offset -0.8 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
sigmaGrowthDps
0.1
aimLeadSec
-0.22
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