The INTER-SOL Programme (ISP)

E-Mail to INTER-SOL

The INTER-SOL Programme (ISP) is an international programme with the purpose of observing the daily sunspot activity. ISP is a fascinating facility of cooperation for amateurs and professionals around the world. The programme was established in 1977 after several preparatory tests in 1976.

•	Table of contents		•	Inhaltsverzeichnis
•	Contact / Address		•	Kontakt / Anschrift
•	Introducing INTER-SOL		•	Das INTER-SOL Programm
•	Fundamentals about the sun		•	Grundlagen zur Sonne
•	Methods of sunspot observation, regristration and evaluation		•	Methoden der Fleckenzählung, -registrierung und -auswertung
•	The observers network		•	Das Beobachternetz
•	Examples of sunspot registration		•	Beispiele zur Fleckenzählung
•	Service		•	Service
•	INTER-SOL Data		•	INTER-SOL Daten
•	Photo Gallery		•	Foto-Galerie
•	How to participate		•	Teilnahme am Programm
•	Paderborn Observatory		•	Sternwarte Paderborn
•	Additional links		•	Weitere Links