ASA1400 Alaska
Boeing 737NG 890/W · N593AS · SFO → AUS
· 2:18Quality 88side-onturned left 58°Dead-zone wrap
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −73%). Download
Trace
Where the aircraft sat in the frame, second by second. Click the chart to jump the video there.
—FOV —az —el —pose —
Loading telemetry…
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
- 85%
- First lockfrom target selected
- 4.3 s
- Centring, medianaz / el while locked
- 0.18° / 0.14°
- Centring, 90th pctaz / el while locked
- 0.84° / 0.40°
- Tightest field of viewhorizontal
- 3.4°
- Time to 8°from first lock
- 4.0 s
- Time to tightestfrom first lock
- 131.1 s
- Time at telefield of view ≤ 5.5°
- 80.7 s
- Jitter at teleaz / el, standard deviation
- 0.33° / 0.31°
- Swing at teleaz / el, peak to peak
- 2.11° / 1.78°
- Pan reversalsper 10 s at tele
- 0.4
- Largest pan hopin any 1 s at tele
- 10.51°
- Largest tilt hopin any 1 s at tele
- 2.80°
- Pose error, mediancommand vs camera
- 0.67°
- Largest correctionvision vs prediction
- 1.25°
- Zoom steps
- 27
Aircraft & route
- Flight
- ASA1400
- Registration
- N593AS
- Type
- Boeing 737NG 890/W
- Airline
- Alaska
- From
- SFO · San Francisco
- To
- AUS · Austin
- Ground speed
- 287 kt
- Altitude at closest
- 7,250 ft
- Vertical rate
- +2,688 ft/min
- Category
- A3
- ICAO hex
- a7a89d
Pass geometry
- Max elevation
- 27.4°
- Elevation at start → end
- 17.7° → 13.9°
- Azimuth at start → end
- 325° NW → 177° S
- Closest-approach azimuth
- 273° W
- Minimum slant range
- 4.7 km
- Heading at closest
- 194° SSW
- Aspect at closest
- side-on (79°)
- Turn
- turned left 58°
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- Yes — pan pre-positioned across the stop
- Duration
- 2:18 (138.4 s)
- Lock
- 85%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-14l — vision lock coasts with the plane; a zoom ends a focus drive
- Commit
- f5b573a
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 69.4 MB · 139.0 s · offset -1.5 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
- -0.16
- 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