Spanish National Observatory

Spanish National Observatory

The Spanish National Observatory is an astronomical observatory with several facilities in the Madrid area. The Observatory has published a yearbook since the 19th century. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Spanish National Observatory, Spain, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

93%


Total
Publications

1.3K


Total Open
Publications

1.2K


Total
Citations

63K


Open Access
Percentage

93%


Total
Publications

1.3K


Total Open
Publications

1.2K


Total
Citations

63K

Wikipedia

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Breakdown

14% 76% 3% 7%

Publisher Open

14%

Both

76%

Other Platform Open

3%

Closed

7%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

0102030405060708090100Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

91%OA Journal

OA Journal 91%

1K

Hybrid 1%

16

No Guarantees 8%

90

Other Platform Open

Preprint 77%

770

Institution 65%

652

Other Internet 7%

72

Domain 5%

51

Public 1%

6

Other Platform Locations

Name

Platform Type

Publications

arXiv
Preprint
795
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
218
Consejo Superior de Investigaciones Científicas
Institution
134
Royal Netherlands Academy of Arts and Sciences
Institution
112
University of Groningen
Institution
104
Chiba Institute of Technology
Institution
82
The University of Western Australia
Institution
75
doaj.org OAI-PMH Repository
Institution
75
University of Amsterdam
Institution
69
Ghent University
Institution
64
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Data updated 12 August 2026

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