A transit of Venus takes place when the planet Venus passes directly between the Earth and the Sun. A transit is similar to a solar eclipse by our own Moon. However, although Venus is much larger than our Moon, it is also far more distant, so it only covers a tiny portion of the Sun.

A transit of Venus is a very rare event which occurs in pairs which are eight years apart, the time between these pairs of transits is however 121.5 and 105.5 years !
The previous pair of transits before 2004 happened in the year 1874 and 1882.

The next transits of Venus will take place on 10–11 December 2117, and 8 December 2125

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Image data

Object info
Name Sun
Type G-type main-sequence star
Age ~ 4.6 billion years
Absolute magnitude 4.83
Spectral classification G2V
Distance 1 AU – 8m 19s at light speed
from Milky Way core 27.200 ly
Equatorial radius 695.700 km – 109 Earths
Mass 333.000 Earths
Eq. Surface gravity 27,94 G
Sidereal rot. period 25,05 days
Apparant magnitude -26,74
Image info
Image date Jun. 08, 2004
Light frames 1/2000 sec @ ISO100
Total integration
Dark frames
Flat frames
Bias frames
Software used Photoshop CS
Equipment info
Telescope TS 127/820mm Refractor
Mount OTE-150
Camera Nikon Coolpix 5700
Guide camera
Guide scope
Autoguide software
Filters Baader Astro Solar filter foil
Location Landgraaf, The Netherlands
Image comments

Some very minor processing and colorizing in Photoshop