Optical Mechanics, Inc. is in business to design and manufacture high-precision optics, opto-mechanical assemblies, and high precision optical instruments such as Lidar optical assemblies and telescopes.
URL: http://www.opticalmechanics.com/

David Chandler Company: designs and markets astronomy products (planispheres, atlases, and software) for amateur observers and education. Products include planispheres, atlases, red LED flashlights, and a telescope-computer interface.
URL: http://www.davidchandler.com/

CyberSky is an accurate, yet easy-to-use planetarium program that provides an excellent way to learn about astronomy and explore the sky visible in the distant past, the present, and the far-off future.

Astronomy software classics free with THE PC astronomy suite? Yes, you've found all the software downloads you were searching for and more!

AGI pro
URL: http://www.stk.com/

Deepsky Astronomy software. Star charts, observing log, planning, database, telescope control, imaging, spreadsheet and incredible DVD space images. Control your meade telescope with Deepsky!
URL: http://www.deepsky2000.com/

Free interactive educational software on Earth and space science
URL: http://pcsinspace.hst.nasa.gov/

Freeware for Psion handhelds to help you find and track objects of the night sky. Well suited to Dobsonians.
URL: http://www.startrak.co.uk/

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