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My goal is to map the Skydome ( stars in the sky projected in earth surface ) using GIS. Has anyone done this before? I can't find any project close to this.

What I just need to know is if there is a dataset -not the paper or software, just the points (geometry) - of the relative position of the stars in the sky. I mean if I look at the sky I can see a kind of surface where the stars are. This is the Skydome. If this surface is over my table, I have a kind of "MAP" of the sky of my hemisphere. If I have both hemispheres I have the Sky Map of the stars.

enter image description here

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    Can you be more specific about what you want to do? The question seems to be a bit nebulous at the moment. :) – blah238 Jan 27 '14 at 18:34
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    Why have you chosen the tag web-mapping? – blah238 Jan 28 '14 at 1:00
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    @blah238, +1 on your comment for using the word "nebulous" on an astronomy-related post. – Fezter Jan 28 '14 at 5:40
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    There just isn't much information in your question. Specifics like what software you want to use, who the target audience is, where the data is coming from, etc. are useful to put in a question like this. The reason I asked why you chose that tag is that desktop and web mapping are very different, use different kinds of software, skills and platforms, and your question didn't leave much to go on. Don't leave things up to assumption, be specific and help us help you :) – blah238 Jan 28 '14 at 21:08
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Jakob gives me the right direction here: http://astronexus.com/node/34

And I have more information here : https://astronomy.stackexchange.com/questions/1556/convert-coordinates-between-ra-dec-and-wgs-84-srid-4326

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