Free star map: how does it really compare to a premium star map?
Free star map tools let you quickly generate an image of the night sky. However, they often display a limited number of stars, use simplified algorithms, omit many constellations, and produce low-resolution images unsuitable for printing. Here is a detailed comparison to help you decide.
| Grátis | OwnStarMap | |
|---|---|---|
| Star count | ~500–1,000 | 8,921 (HYG v4.2 catalog) |
| Scientific accuracy | Approximate | IAU-standard algorithms |
| Constellations | None or few | 88 IAU constellations |
| Text customization | Limited | Full (title, subtitle, date, coordinates) |
| Style choices | 1–2 basic styles | Multiple themes, shapes, and fonts |
| HD resolution | Low / medium | High resolution (print-ready) |
| Print quality | DIY print | Premium canvas, multiple formats |
| PDF download | Sometimes | Instant HD download |
| Customer support | None | Email support in 4 languages |
| Price | €0 | From 12,00 € |
Why choose a premium star map?
OwnStarMap displays 8,921 real stars from the HYG v4.2 catalog, positioned using International Astronomical Union algorithms. Every map is fully customizable — title, date, location, style — and available as an instant HD download or premium print in multiple formats.
Ready to create your star map?
À partir de 12,00 € — téléchargement numérique instantané
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