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Database on Wolf numbers

Database on Wolf numbers

To Russian version

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This CGI-script calculates a day of week of the given date, Julian date of Greenwich noon JD and extracts from the database indices of solar activity: Wolf number for the day W, monthly Wm and yealy means Wy of Wolf number for month and year of the date. The prediction of Wolf number (which was made in 1998 and, hence, lost actuality) is also presented.

The database uses solar activity data got from server of   National Geophysical Data Center. Data ranges are shown in Table:

Index Actual data Prediction (see comment)
W 1.1.1818-31.7.1998  
Wm 1.1749-10.1998 11.1998-12.2007
Wy 1700-1997 1998-2007

The cgi-script wolfcgi.exe are written in Delphi 2.0.

[  To Pulkovo observatory homepage  |  To V.G.Ivanov homepage  ]

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