ASA753 Alaska
Boeing 737NG 890/W · N590AS · SFO → ?
· 1:02Quality 80lost lockside-onturned left 44°Dead-zone wrap
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −66%). 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
- 68%
- First lockfrom target selected
- 9.3 s
- Centring, medianaz / el while locked
- 0.70° / 0.19°
- Centring, 90th pctaz / el while locked
- 2.32° / 1.15°
- Tightest field of viewhorizontal
- 3.4°
- Time to 8°from first lock
- 5.2 s
- Time to tightestfrom first lock
- —
- Time at telefield of view ≤ 5.5°
- 21.2 s
- Jitter at teleaz / el, standard deviation
- 0.98° / 0.18°
- Swing at teleaz / el, peak to peak
- 3.53° / 0.71°
- Pan reversalsper 10 s at tele
- 0.9
- Largest pan hopin any 1 s at tele
- 13.27°
- Largest tilt hopin any 1 s at tele
- 4.56°
- Pose error, mediancommand vs camera
- 1.23°
- Largest correctionvision vs prediction
- 1.03°
- Zoom steps
- 44
Aircraft & route
- Flight
- ASA753
- Registration
- N590AS
- Type
- Boeing 737NG 890/W
- Airline
- Alaska
- From
- SFO
- To
- —
- Ground speed
- 297 kt
- Altitude at closest
- 8,225 ft
- Vertical rate
- +3,136 ft/min
- Category
- A3
- ICAO hex
- a79d78
Pass geometry
- Max elevation
- 33.5°
- Elevation at start → end
- 18.7° → 30.6°
- Azimuth at start → end
- 325° NW → 213° SSW
- Closest-approach azimuth
- 265° W
- Minimum slant range
- 4.5 km
- Heading at closest
- 184° S
- Aspect at closest
- side-on (82°)
- Turn
- turned left 44°
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- Yes — pan pre-positioned across the stop
- Duration
- 1:02 (62.0 s)
- Lock
- 68%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-14g — vision expected spot at frame time, departure pre-zoom, focus from profile, damped lead learner
- Commit
- 181d1fa+wip
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 31.0 MB · 62.0 s · offset -1.1 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
- 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