Stardust Observatory, a private observatory in upstate New York State. Building a domed observatory, astrophotography

Specializing in amateur astronomy.

Optique et Vision importateur officiel

Here is Jim Sweeney's world on the web.

Astronomia - Espacio Profundo

Espacio Profundo. Todo sobre Astronomia en el hemisferio sur.

Nearly every optical engineering endeavor can benefit from the use of optical design and analysis products developed by Optica Software. Such endeavors include ...

Optical Design Software: dbOptic software for optical engineers, students and educators

OmniCosm Studios, a multimedia company specializing in Astronomical and Scientific art for film, print and publication. Director, Adolf Schaller and Producer, ...