skylight.

THY79K Turkish Airlines

SFO → ?

· 0:31Quality 81lost locknose/tail

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −82%). 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
71%
First lockfrom target selected
5.0 s
Centring, medianaz / el while locked
0.25° / 0.23°
Centring, 90th pctaz / el while locked
2.62° / 2.22°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
8.8 s
Time to tightestfrom first lock
21.1 s
Time at telefield of view ≤ 5.5°
10.5 s
Jitter at teleaz / el, standard deviation
0.21° / 0.42°
Swing at teleaz / el, peak to peak
0.92° / 1.73°
Pan reversalsper 10 s at tele
1.9
Largest pan hopin any 1 s at tele
8.34°
Largest tilt hopin any 1 s at tele
6.66°
Pose error, mediancommand vs camera
0.54°
Largest correctionvision vs prediction
1.33°
Zoom steps
39

Aircraft & route

Flight
THY79K
Registration
—
Type
—
Airline
Turkish Airlines
From
SFO
To
—
Ground speed
263 kt
Altitude at closest
3,050 ft
Vertical rate
-64 ft/min
Category
A5
ICAO hex
4bb104

Pass geometry

Max elevation
49.7°
Elevation at start → end
49.7° → 11.2°
Azimuth at start → end
305° NW → 299° WNW
Closest-approach azimuth
305° NW
Minimum slant range
1.2 km
Heading at closest
297° WNW
Aspect at closest
nose/tail (8°)
Turn
straight (0°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
0:31 (31.1 s)
Lock
71%

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
16.0 MB · 32.0 s · offset -1.7 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