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 10:32 CEST
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VT-2004 No. of registered participants : 2053
No. of observers with timings : 69
No. of timings sent : 112
Official value of 1 AU : 149597870 km
Calculated AU : 152941642 km
Dispersion : ± 2260175 km
Absolute Difference : 3340049 km
Difference as percentage: 2.233 %

.... more (with graphics).

Join the Observing        Campaign!

Map of Observers'        Locations

Mira Public Observatory (belgium)
June 8, 2004, 08:26 UT
Luxor, Egypt
Display Window 2 Venus Transit - 1st and 2nd contacts
Bob Fosbury
3-inch refractor + Sony DSC-F717 June 8, 2004
Ottobrunn near Munich, Germany
ESO HQ Dutch Open Telescope (DOT)
La Palma (Spain)
June 8, 2004, 08:02 UT
Latest Comment (June 8, 08:27 UT) : The black drop" phenomenon is well visible in the two last rows in the middle picture.
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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