with the sun back today I also tried the experiment with the "CD-Gnomon". I also saw the false ellipse.
Could anyone -again- explain why the dot of light is not round? I didnt quite understand it the first time ...
hannes -- hannes kühtreiber [EMAIL PROTECTED] http://www.datenmull.at.tf --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
