1. OBSERVING THE SUN & PLANETARY TRANSITS Petr HEINZEL Solar Physics Department Astronomical Institute of the Academy of Sciences Czech Republic

2. Eclipse observations

3. Planetary eclipse

4. Observing the Venus transit means observing the Sun What one can see on the surface of the Sun ?

5. White-light image

6. Hα image - Ondřejov Observatory

7. Full disk in H-alpha line Observatoire de Paris - Meudon

8. Full disk in CaII line Observatoire de Paris-Meudon

9. SOlar & Heliospheric Observatory

10. SOHO-MDI Magnetic field

11. EIT HeII 304 Å

12. EIT 195 Å

13. EIT Flight

14. SOHO LASCO Coronagraph

16. La Palma

17. Dutch Open Telescope (DOT) La Palma

18. DOT

19. 3D sunspot structure

20. Coronagraph of the Wroclaw University Observatory

21. Prominence eruption

22. TRACE

23. Ondřejov observatory (near Prague)

24. Double solar telescope

25. White-light (WL) image

26. WL image - detail

27. WL image

28. Mercury contact - chromosphere

29. Mercury contacts

30. GOOD LUCK FOR VENUS TRANSIT 2004