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Solar observations at the Coimbra Astronomical Observatory
Open Astronomy ( IF 0.5 ) Pub Date : 2019-01-01 , DOI: 10.1515/astro-2019-0015
Ana Lourenço 1 , Sara Carvalho 2 , Teresa Barata 1 , Adriana Garcia 1 , Víctor Carrasco 3 , Nuno Peixinho 1
Affiliation  

Abstract In 2020, the Geophysical and Astronomical Observatory of the University of Coimbra will celebrate the 95th anniversary of its first spectroheliographic observation. Keeping a daily service of solar observations since then, making almost a century, led to one of the largest continuous solar data collections in the world. This long–term solar database is essential for studies where solar activity is involved. This work reviews the development of synoptic observations made at the Observatory of Coimbra since 1925 and presents a summary of some of the principal stages of the Observatory’s history since its founding in 1772. We refer the main technical improvements and present some perspectives for the near future. One of the most significant upgrades was the installation of a CCD camera in 2007. The transition from photographic emulsion to digital recording methods allowed the development of image analysis algorithms to process solar images and improved data sharing with other institutions. This upgrade enabled also to carry–out modern climate and space weather studies. This valuable advancement makes it possible to create a new catalogue of solar observations to be published in the future.

中文翻译:

科英布拉天文台的太阳观测

摘要 2020年,科英布拉大学地球物理天文台将庆祝其首次光谱日光观测95周年。从那时起,每天进行太阳观测服务,将近一个世纪,导致了世界上最大的连续太阳数据收集之一。这个长期太阳数据库对于涉及太阳活动的研究至关重要。这项工作回顾了自 1925 年以来在科英布拉天文台进行的天气观测的发展,并总结了自 1772 年成立以来天文台历史的一些主要阶段。我们提到了主要的技术改进并提出了近期的一些展望. 最重要的升级之一是 2007 年安装了 CCD 摄像机。从感光乳剂到数字记录方法的转变允许开发图像分析算法来处理太阳图像并改进与其他机构的数据共享。此次升级还能够开展现代气候和空间天气研究。这一宝贵的进步使创建一个新的太阳观测目录成为可能,以便在未来出版。
更新日期:2019-01-01
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