skylight.

N6695M

Cessna 172 · N6695M

· 0:34Quality 67soft focusnose/tailturned left 22°Overhead

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −54%). 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
59%
First lockfrom target selected
4.4 s
Centring, medianaz / el while locked
0.59° / 0.60°
Centring, 90th pctaz / el while locked
1.86° / 2.69°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
7.8 s
Time to tightestfrom first lock
9.4 s
Time at telefield of view ≤ 5.5°
5.2 s
Jitter at teleaz / el, standard deviation
0.38° / 0.57°
Swing at teleaz / el, peak to peak
1.10° / 1.49°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
0.82°
Largest tilt hopin any 1 s at tele
8.11°
Pose error, mediancommand vs camera
3.13°
Largest correctionvision vs prediction
2.80°
Zoom steps
48

Aircraft & route

Flight
N6695M
Registration
N6695M
Type
Cessna 172
Airline
—
From
—
To
—
Ground speed
124 kt
Altitude at closest
1,750 ft
Vertical rate
—
Category
A1
ICAO hex
a8d8bb

Pass geometry

Max elevation
83.1°
Elevation at start → end
19.6° → 42.3°
Azimuth at start → end
357° N → 177° S
Closest-approach azimuth
259° W
Minimum slant range
555 m
Heading at closest
170° S
Aspect at closest
nose/tail (14°)
Turn
turned left 22°
Departure
No
Zenith pass
Yes — camera flipped over the top
Dead-zone wrap
No
Duration
0:34 (33.5 s)
Lock
59%

Build & tuning

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

Build
2026-10-15q — drive speed latched at the lens position; measured speed bytes only; auto-cal keeps gains
Commit
44f2d6a
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
15.7 MB · 34.0 s · offset -1.3 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