free/sharewares for Mac

MPj Astro 1.5.1: shareware US25$
released by Microprojects/Darryl Robertson (http://www.total.net/~mpj)

Impressions & main features of the program:
* Very useful for manual target capture using finder scope.
* Fast and smooth running performance.
* Stars brighter than 8th magnitude, planets, comets, 109 Messier's and main NGC
   objects are precisely plotted on the map, and each object is linked to its own PICT
   file image.
* Up to 500 custom objects can be added.
* On the real time display, stars move in every 1 minute.
* Sky view at any time(2000BC-6000AD), anywhere on the earth can be showed.
* Photo field of 35mm camera (50-1000mm) can be showed.
and more.