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National Actions for Astronomy

Observatoire de Paris-PSL carries out the missions of an INSU Observatory for the Sciences of the Universe. As such, it coordinates and participates in some sixty National Observation Services. See also the page describing INSU-labelled tools.

The National Observatory Services (SNO or CNAP "service tasks") carried out at Paris Observatory concern the six National Observatory Actions (ANO) in Astronomy-Astrophysics, accredited by INSU (cf. INSU framework document) :

Methodological specificities and synergies in expertise are described in each SNO.

Since 2016, INSU’s strategy and structure for "National Observation Services" (SNO) and the main principles associated with them are described in a framework document downloadable at the following address