Using 2 methods, you can calculate the coordinates of:
- the hour points on the ellipse
- the date points on the analemma figure
more informations at
Analemma Wikipedia : http://en.wikipedia.org/wiki/Analemmatic_sundial
Analemma software
![](http://www.weebly.com/weebly/images/file_icons/gz.png)
alemma.zip | |
File Size: | 2522 kb |
File Type: | zip |
Analemma excel file
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![](http://www.weebly.com/weebly/images/file_icons/xls.png)
meerut-analemma.xlsx | |
File Size: | 148 kb |
File Type: | xlsx |