Back to the
front page of the observatory
Main
site of
DPD (Debrecen) is updated: 2009-01-17,
Mirror site at CESAR (Kanzelhoehe)
is updated: 2007-02-06,
Mirror
site at NGDC/NOAA (Boulder) is updated:
Debrecen
Photoheliographic Data | 1. Introduction | 2. Chart of the current status | 3. Table of
data availability |
4. Appended
magnetic observations |
5. Data policy and
publications |
6. Acknowledgements |
7. FTP access |
Győri, L., Baranyi, T., Ludmány, A.
1. Introduction
The Debrecen Photoheliographic Data (DPD) sunspot catalogue is compiled as a continuation of Greenwich Photoheliographic Results (GPR). This program has been commissioned by the International Astronomical Union. The basic data in a sunspot catalogue are the heliographic positions and the areas of the sunspots. The data are supplemented with images of sunspot groups, scans of full-disk white-light observations, and magnetic observations as well as their user-friendly HTML presentation. The catalogue is based on our own (Debrecen and Gyula) full-disk white-light observations but gaps in this time series are filled by solar images from other observatories.
Sunspot data and images of DPD (see DPDformat.txt and README.txt) are now available for the years (see also the Table of data availability):
The Debrecen Photoheliographic Data (DPD) sunspot catalogue is compiled as a continuation of Greenwich Photoheliographic Results (GPR). This program has been commissioned by the International Astronomical Union. The basic data in a sunspot catalogue are the heliographic positions and the areas of the sunspots. The data are supplemented with images of sunspot groups, scans of full-disk white-light observations, and magnetic observations as well as their user-friendly HTML presentation. The catalogue is based on our own (Debrecen and Gyula) full-disk white-light observations but gaps in this time series are filled by solar images from other observatories.
Sunspot data and images of DPD (see DPDformat.txt and README.txt) are now available for the years (see also the Table of data availability):
| in progress | in progress | in progress |
in progress | in progress | in progress | 1986 | 1987 | 1988 | 1989 |
| 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 |
| 2000 | 2001 | 2002 | 2003 | in progress | in progress | in progress | 2007 | 2008 | 2009 |
The time series of the daily data is
also available (dailyDPD1986_2003.txt),
and all the data and images can be downloaded from our ftp site in an
direct way.
Additional table: tilt angles of sunspot groups derived from DPD.
Butterfly diagram on the basis of DPD:
The research leading to the data published here after Nov. 2008 has received funding from the European Community's Seventh Framework Programme (FP7/2007-2013) under grant agreement n° 218816.
Contact person:
Tünde Baranyi (baranyi[at]tigris.unideb.hu)
Requests, comments, questions or bug-reporting are welcome.
Additional table: tilt angles of sunspot groups derived from DPD.
Butterfly diagram on the basis of DPD:
The research leading to the data published here after Nov. 2008 has received funding from the European Community's Seventh Framework Programme (FP7/2007-2013) under grant agreement n° 218816.
Contact person:
Tünde Baranyi (baranyi[at]tigris.unideb.hu)
Requests, comments, questions or bug-reporting are welcome.