skylight.

CFG6DC Condor Flugdienst

FRA → SFO

· 1:26Quality 94nose/tailturned right 18°

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −84%). 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
89%
First lockfrom target selected
4.4 s
Centring, medianaz / el while locked
0.09° / 0.14°
Centring, 90th pctaz / el while locked
0.23° / 0.42°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
4.4 s
Time to tightestfrom first lock
34.3 s
Time at telefield of view ≤ 5.5°
72.7 s
Jitter at teleaz / el, standard deviation
0.12° / 0.24°
Swing at teleaz / el, peak to peak
0.75° / 1.65°
Pan reversalsper 10 s at tele
0.6
Largest pan hopin any 1 s at tele
1.87°
Largest tilt hopin any 1 s at tele
1.05°
Pose error, mediancommand vs camera
0.38°
Largest correctionvision vs prediction
0.45°
Zoom steps
30

Aircraft & route

Flight
CFG6DC
Registration
—
Type
—
Airline
Condor Flugdienst
From
FRA · Frankfurt am Main
To
SFO · San Francisco
Ground speed
261 kt
Altitude at closest
11,450 ft
Vertical rate
+128 ft/min
Category
A5
ICAO hex
3c7a51

Pass geometry

Max elevation
46.4°
Elevation at start → end
46.4° → 10.9°
Azimuth at start → end
118° ESE → 145° SE
Closest-approach azimuth
118° ESE
Minimum slant range
4.8 km
Heading at closest
140° SE
Aspect at closest
nose/tail (22°)
Turn
turned right 18°
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
1:26 (85.6 s)
Lock
89%

Build & tuning

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

Build
2026-10-15s — bias fold follows a ramp; no pass below the skyline
Commit
cdd2256
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
40.2 MB · 81.5 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
-0.21
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