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I'm looking for an open REST API to make ocasional queries of stars and constellations. Concretly I'm looking for getting the right ascension and declination of the most important stars of a few constellations (other parameters are optional).
For simple, there is a webservice called LookUP which provides a web, REST and XML api for star and constellation data by name.
If that doesn't quite meet your need, there's SIMBAD Astronomical Database, which is where the above-noted LookUP tool is getting its data.
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