Crabwood:::

59 lines horizontal resolution in "picture" of "alien".
33 concentric lines of code in disc.



59 X 33 = 1947

The numbers 33 and 1947 both have a lot of significance.

The message disc was halved by the one length of "picture" frame.

Add 33 to 1947..then 1/2 of 33 (16.5) to 1980..then 1/2 of 16.5 (8.25) to 1996.5 and so on.

After completing this simple operation 12 times (the number of divisions in the zodiacal circle and on a circular analog clock face) one arrives at 2012.973886
This corresponds to December 21 2012.

(.973886 of a year is 12/21)