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On this page you are able to access the VT-2004 timings database to perform Delisle´s method (2 sites of observation). You will have to choose the geographic coordinates (longitude, latitude) of the first observing site. You will get a list of geographic coordinates of sites with the corresponding data. After choosing the first site, the software will automatically select the secondary sites with which Delisle´s method will provide a value for the AU.
Choose a geographic area for the first site (or modify it)
First, you have to choose a geographical area (indicate the coordinates) and a contact in the form below.
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