skylight.

CGSFY

Bombardier BD-700-1A10 · CA-GSFY

· 1:21Quality 74lost lockside-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −72%). 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
43%
First lockfrom target selected
36.3 s
Centring, medianaz / el while locked
0.19° / 0.20°
Centring, 90th pctaz / el while locked
1.94° / 1.50°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
8.6 s
Time to tightestfrom first lock
26.2 s
Time at telefield of view ≤ 5.5°
26.8 s
Jitter at teleaz / el, standard deviation
0.16° / 0.19°
Swing at teleaz / el, peak to peak
0.66° / 1.18°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
0.75°
Largest tilt hopin any 1 s at tele
1.17°
Pose error, mediancommand vs camera
0.87°
Largest correctionvision vs prediction
1.72°
Zoom steps
60

Aircraft & route

Flight
CGSFY
Registration
CA-GSFY
Type
Bombardier BD-700-1A10 (GLEX)
Airline
—
From
—
To
—
Ground speed
225 kt
Altitude at closest
1,400 ft
Vertical rate
+4,288 ft/min
Category
A3
ICAO hex
c074cb

Pass geometry

Max elevation
77.3°
Elevation at start → end
0.2° → 11.9°
Azimuth at start → end
116° ESE → 299° WNW
Closest-approach azimuth
22° NNE
Minimum slant range
478 m
Heading at closest
298° WNW
Aspect at closest
side-on (84°)
Turn
straight (0°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:21 (80.6 s)
Lock
43%

Build & tuning

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

Build
2026-10-16a — main b067f99 (review cleanup)
Commit
b067f99
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
35.9 MB · 73.3 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
-0.03
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