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## Main Question or Discussion Point

Hi!

I was wondering if anyone of you know how to calculate the astronomical unit 1 AU, using data from a Venus transit and not using the parallax method. I already have all the data from the 2012 transit; the time it was in phase 1 when it contacts the Sun's disk and when it leaves the disk in phase 4 etc. The latitudes are all included. I haven't found anything helpful yet. So, if you have any idea or maybe a website that explains how to calculate this without the parallax method, please help.

Cheers!

I was wondering if anyone of you know how to calculate the astronomical unit 1 AU, using data from a Venus transit and not using the parallax method. I already have all the data from the 2012 transit; the time it was in phase 1 when it contacts the Sun's disk and when it leaves the disk in phase 4 etc. The latitudes are all included. I haven't found anything helpful yet. So, if you have any idea or maybe a website that explains how to calculate this without the parallax method, please help.

Cheers!