SKW4753 SkyWest
Bombardier CRJ 200LR · N947SW · Departing SFO
· 1:35Quality 91side-onturned 17°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 —
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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
- 80%
- First lockfrom target selected
- 6.9 s
- Centring, medianaz / el while locked
- 0.77° / 0.38°
- Centring, 90th pctaz / el while locked
- 4.05° / 1.01°
- Tightest field of viewhorizontal
- 3.8°
- Time to 8°from first lock
- 4.5 s
- Time to tightestfrom first lock
- 87.6 s
- Time at telefield of view ≤ 5.5°
- 17.6 s
- Jitter at teleaz / el, standard deviation
- 0.47° / 0.33°
- Swing at teleaz / el, peak to peak
- 2.36° / 1.41°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 2.75°
- Largest tilt hopin any 1 s at tele
- 2.29°
- Pose error, mediancommand vs camera
- 1.05°
- Largest correctionvision vs prediction
- 1.80°
- Zoom steps
- 61
Aircraft & route
- Flight
- SKW4753
- Registration
- N947SW
- Type
- Bombardier CRJ 200LR
- Airline
- SkyWest
- From
- SFO · San Francisco
- To
- —
- Ground speed
- 290 kt
- Altitude at closest
- 8,000 ft
- Vertical rate
- —
- Category
- A2
- ICAO hex
- ad28ce
Pass geometry
- Max elevation
- 41.7°
- Elevation at start → end
- 19.1° → 17.8°
- Azimuth at start → end
- 339° NNW → 206° SSW
- Closest-approach azimuth
- 273° W
- Minimum slant range
- 3.6 km
- Heading at closest
- 188° S
- Aspect at closest
- side-on (85°)
- Turn
- turned 17°
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- Yes — pan pre-positioned across the stop
- Duration
- 1:35 (94.8 s)
- Lock
- 80%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-13k — centred plane + noisy motion check no longer demotes the zoom
- Commit
- 181d1fa+wip
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 47.0 MB · 94.0 s · offset -0.8 s
- pursuit
- velocity
- maxLeadSec
- 3
- panLatencySec
- 0.6
- tiltLatencySec
- 0.4
- rippleDeg
- 0.5
- rippleTeleDeg
- 0.25
- rateFloorDegPerDps
- 2.5
- rateFloorMaxDeg
- 12
- 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