skylight.

N717HW

N717HW

· 1:21Quality 87nose/tailturned left 43°

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −64%). 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
86%
First lockfrom target selected
7.1 s
Centring, medianaz / el while locked
0.22° / 0.24°
Centring, 90th pctaz / el while locked
1.67° / 1.42°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
3.2 s
Time to tightestfrom first lock
54.9 s
Time at telefield of view ≤ 5.5°
46.4 s
Jitter at teleaz / el, standard deviation
0.32° / 0.22°
Swing at teleaz / el, peak to peak
2.45° / 1.68°
Pan reversalsper 10 s at tele
2.4
Largest pan hopin any 1 s at tele
3.90°
Largest tilt hopin any 1 s at tele
6.27°
Pose error, mediancommand vs camera
1.02°
Largest correctionvision vs prediction
6.56°
Zoom steps
46

Aircraft & route

Flight
N717HW
Registration
N717HW
Type
—
Airline
—
From
—
To
—
Ground speed
122 kt
Altitude at closest
1,975 ft
Vertical rate
+64 ft/min
Category
A1
ICAO hex
a996d2

Pass geometry

Max elevation
87.0°
Elevation at start → end
19.8° → 10.5°
Azimuth at start → end
356° N → 159° SSE
Closest-approach azimuth
74° ENE
Minimum slant range
621 m
Heading at closest
162° SSE
Aspect at closest
nose/tail (4°)
Turn
turned left 43°
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
1:21 (81.1 s)
Lock
86%

Build & tuning

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

Build
2026-10-16g — A/B lockFirst (mount prior on)
Commit
9bdc356
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
40.5 MB · 81.0 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
sigmaGrowthDps
0.1
aimLeadSec
-0.11
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