June 8, 2004 Transit of Venus

The images below were acquired and processed as follows:

    Telescope: 10" f/10 LX-200 (classic), mounted alt-az
    Solar filter: Orion white light full aperture glass filter
    Camera: Orion color imaging eyepiece
    Video conversion: ADS DVD Express A/D converter, frames recorded on Gateway notebook PC
    Processing: Each image is a combination of approximately 150 frames stacked using Registax 2
     Curves adjusted and unsharp mask applied in Adobe Photoshop 6

The image below was taken as Venus approached the limb of the sun (Contact 3)

 

The image below was taken a few seconds before Contact 3. Note the "black drop effect".

 

 

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