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 13:25 CEST
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VT-2004 No. of registered participants : 2076
No. of observers with timings : 102
No. of timings sent : 207
Official value of 1 AU : 149597870 km
Calculated AU : 149617627 km
Dispersion : ± 2550683 km
Absolute Difference : 32171 km
Difference as percentage: 0.022 %

.... more (with graphics).

Join the Observing        Campaign!

Map of Observers'        Locations

Dutch Open Telescope
June 8, 2004, 11:09 UT
Canary Island, Spain
Display Window 2 Swedish 1-m Solar Telescope
June 8, 2004, 11:15 UT
Canary Island, Spain
SST H alpha full disc image
Meudon Heliograph
June 8, 2004, 11:03 UT
Latest Comment (June 8, 11:27 UT) : Fourth contact will happen in a few minuts. More timings are now coming in from the observers.
On the picture in the middle from the Swedish Solar Telescope (Tenerife), there is a faint arc stretching upwards from the right edge of Venus' disc. This is very likely a refraction effect in Venus' atmosphere which is being illuminated from behind.
Venus, all unconscious of the honour of millions of people watching her, and the hard work put here in the VT-2004 "Control Center", moves onward to last contact. Will we be able, as Lomonosov did in 1761, to see the faint, luminous ring around Venus, i.e. its atmosphere? Three videos from the AGAPE group at ESO are now available - the entry of Venus onto the solar disc, the first part of the passage across the disc and the second part of the passage across the disc. If you missed the beginning of the Venus transit, you may access all previous versions of this Central Display page in the Archive.
During the past 24 hours, the VT-2004 website has distributed 1.0 Terabyte; just now, there are about 1200 hits and 400 Mb are sent per second.
Other Webcast Sites


VT-2004 Dissemination
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Go to VT-2004 National        Nodes


Video Clips from the Venus Transit


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