Starmark

Logo → constellation

Logo

SVG keeps the outline exact. PNG, WebP and JPEG also work.

Drop a logo here, or click to choose

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The one knob that decides everything else. Brighter anchors mean a sparser sky, which means a bigger pattern and a looser fit.

Faintest anchor starV ≤ 9.0

Keeps only sky that climbs high enough during astronomical darkness.

Restrict to what an observer can see

LatitudeLongitude

FromTo

Minimum altitude30°

Usable stars

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Density

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Dark hours

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no observer filter

Build a template first to see how large the pattern would have to be.

The real sky, or an uploaded astronomical frame.

Each size is searched separately; the sweep is the point.

Each limit is a separate pass over the sky.

Measured: on the real sky, going from 36 to 360 steps changes the result barely at all. Image mode derives this itself, where it does matter.

36 steps · 10.0° apart

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