The Venus Transit 2004

The Venus Transit 2004

European Science & Technology Week 2004 European Southern Observatory European Association for Astronomy Education Astronomical Institute of the Academy of Sciences of the Czech Republic
Observatoire de Paris Institut de Mécanique Céleste et de Calcul des Éphémérides (IMCCE)
Last update: 2004 Jun 08 10:50 CEST
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VT-2004 No. of registered participants : 2055
No. of observers with timings : 71
No. of timings sent : 115
Official value of 1 AU : 149597870 km
Calculated AU : 152948706 km
Dispersion : ± 2237337 km
Absolute Difference : 3350836 km
Difference as percentage: 2.240 %

.... more (with graphics).

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Map of Observers'        Locations

Mira Public Observatory (Belgium)
June 8, 2004, 08:26 UT
Luxor, Egypt
Display Window 2 INAF - Catania Astrophysical Observatory
H-alpha image
June 8, 2004, 08:35 UT
Sicily - Italy
ESO HQ Dutch Open Telescope (DOT)
La Palma (Spain)
June 8, 2004, 08:02 UT
Latest Comment (June 8, 08:41 UT) : Today, one can see two small sunspots near the centre of the disc of the Sun. A careful eye, like from an amateur astronomer can detect two more sunspots on the Sun's surface.
Look at the first video from the entry of Venus onto the solar disc - it was obtained by the AGAPE observers at ESO HQ in Garching (Germany). We are getting more and more data for the continuous calculation of the distance from the Earth to the Sun, based on timing data from VT-2004 observers deposited at the central VT-2004 computer. From the display above (which is updated all the time, they are clearly doing very well - we are only about 2% off! This means that we are nearly as good as the professional observers in the 19th century. Moreover, now we get this result in real time - thanks to modern communication technology - whereas they had to wait several months in those days...
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