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Sunspot data collection of Specola Solare Ticinese in Locarno

Published online by Cambridge University Press:  27 November 2018

Renzo Ramelli Open the ORCID record for Renzo Ramelli [Opens in a new window] ,
Marco Cagnotti ,
Sergio Cortesi ,
Michele Bianda  and
Andrea Manna
Renzo Ramelli
Affiliation:
Istituto Ricerche Solari Locarno associated to Università della Svizzera italiana, via Patocchi 57, CH-6605, Locarno, Switzerland
Marco Cagnotti
Affiliation:
Specola Solare Ticinese, via ai Monti 146, CH-6605, Locarno, Switzerland
Sergio Cortesi
Affiliation:
Specola Solare Ticinese, via ai Monti 146, CH-6605, Locarno, Switzerland
Michele Bianda
Affiliation:
Istituto Ricerche Solari Locarno associated to Università della Svizzera italiana, via Patocchi 57, CH-6605, Locarno, Switzerland
Andrea Manna
Affiliation:
Specola Solare Ticinese, via ai Monti 146, CH-6605, Locarno, Switzerland
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Abstract

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Sunspot observations and counting are carried out at the Specola Solare Ticinese in Locarno since 1957 when it was built as an external observing station of the Zurich observatory. When in 1980 the data center responsibility was transferred from ETH Zurich to the Royal Observatory of Belgium in Brussels, the observations in Locarno continued and Specola Solare Ticinese got the role of pilot station. The data collected at Specola cover now the last 6 solar cycles.

The aim of this presentation is to discuss and give an overview about the Specola data collection, the applied counting method and the future archiving projects. The latter includes the publication of all data and drawings in digital form in collaboration with the ETH Zurich University Archives, where a parallel digitization project is ongoing for the document of the former Swiss Federal Observatory in Zurich collected since the time of Rudolph Wolf.

Keywords

Sun: activitySun: evolutionsunspots
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S340: Long-term Datasets for the Understanding of Solar and Stellar Magnetic Cycles , February 2018 , pp. 129 - 132
Copyright
Copyright © International Astronomical Union 2018 

References

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