OBSERVING THE SUN &

PLANETARY TRANSITS

Petr HEINZEL

Solar Physics DepartmentAstronomical Institute of the Academy of Sciences

Czech Republic

Eclipse observations

Planetary eclipse

Observing the Venus transit means observing

the Sun

What one can see on the surface of the Sun ?

White-light image

Hα image - Ondřejov Observatory

Full disk in H-alpha lineObservatoire de Paris - Meudon

Full disk in CaII lineObservatoire de Paris-Meudon

SOlar & Heliospheric Observatory

SOHO-MDI Magnetic field

EIT HeII 304 Å

EIT 195 Å

EIT Flight

SOHO LASCO Coronagraph

La Palma

Dutch Open Telescope (DOT)La Palma

DOT

3D sunspot structure

Coronagraph of the Wroclaw University Observatory

Prominence eruption

TRACE

Ondřejov observatory (near Prague)

Double solar telescope

White-light (WL) image

WL image - detail

WL image

Mercury contact - chromosphere

Mercury contacts

GOOD LUCK FOR VENUS TRANSIT 2004