Excellent charting tool, takes a few minutes to understand everything you're looking at, but once you do, you'll see how perfect this thing is for determining the best time to observe. Charts graphically show rise/trans/set times of everything, plus superimposes the moon's phase, so you can see at an instant when everything "lines up" for some excellent observing sessions. Lots of different graphs for all kinds of stuff, all useful, very cool.
This is the author's website, he does not charge money for the product, no popups/nags, just free download (but no support either). He did it for himself, just gives it away. The program is quite easy to use and yields instant results. It only took me about two minutes to decide this program was permanent