Planetarium Program Useful to Land Surveyors

Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.  You can adjust it for your particular location.  The screenshot below is a north view from Port Charlotte, Florida with Polaris highlighted.

Many adjustments can be made for showing the constellations, a night view mode, and a search capability. Interesting and I think useful to Land Surveyors..