Discs for the home planetarium

Quién tiene una casa planetarium? Sabes que algunos modelos tedejan para cambiar la proyección de imágenes? Yo justo recientemente descubierto sobre este. Pero tan lejos no puedo encontrar opciones encima dónde para comprar tales discos inexpensively

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I learned about a home planetarium a few months ago. Especially picked up such a model, where it is possible to change the projection of images. When I started looking for planetarium discs, I found them in this catalog https://astronomix.info/planetarium-discs.html in my opinion, there are the most reasonable prices. In addition, the choice is very large.