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Photospheric data programs at the Debrecen Observatory

Published online by Cambridge University Press:  26 August 2011

L. Győri
Affiliation:
Heliophysical Observatory of the Hungarian Academy of Sciences, 4010 Debrecen, P.O. Box 30, Hungary email: gylajos@tigris.unideb.hu, baranyi@tigris.unideb.hu, ludmany@tigris.unideb.hu
T. Baranyi
Affiliation:
Heliophysical Observatory of the Hungarian Academy of Sciences, 4010 Debrecen, P.O. Box 30, Hungary email: gylajos@tigris.unideb.hu, baranyi@tigris.unideb.hu, ludmany@tigris.unideb.hu
A. Ludmány
Affiliation:
Heliophysical Observatory of the Hungarian Academy of Sciences, 4010 Debrecen, P.O. Box 30, Hungary email: gylajos@tigris.unideb.hu, baranyi@tigris.unideb.hu, ludmany@tigris.unideb.hu
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Abstract

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The primary task of the Debrecen Observatory is the most detailed, reliable and precise documentation of the solar photospheric activity. This long-term effort started with the continuation of the Greenwich photoheliograph program, this is the Debrecen Photoheliographic Data (DPD) sunspot catalogue based on ground-based observations. The profile of the work has later been extended to space-borne observations (SOHO/MDI and SDO), to magnetic fields and faculae as well as to higher temporal resolution (one hour) and nearly real-time data supply. The database also includes historical observations. The web-presentation developed for the material is easy to search and browse. We describe the main characteristics of these catalogs, and their advantages. We summarize the recent advances in the procedure of their compilation, and the available sets of the data and images.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2011

References

Győri, L. 1998, Solar Phys., 180, 109CrossRefGoogle Scholar
Győri, L., 2003, Compiling sunspot catalogue: the principles, Proc. Solar Image Recognition Workshop (SIRW), Brussels, 2003Google Scholar
Győri, L., 2005, Automated determination of the alignment of solar images, Hvar Obs. Bull., 29, 299Google Scholar
Scherrer, P. H., Bogart, R. S., Bush, R. I., et al. 1995, Solar Phys., 162, 129CrossRefGoogle Scholar
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