• Astronomy (includes Observatories)

• 100.

North American Astrophysical Observatory

NAAPO North American Astrophysical Observatory Welcome to the online home of the North American Astrophysical Observatory.

• Recreational, Pleasure, or Social Club

• 101.

Amateur Astronomers Association of Pittsburgh Inc

The AAAP was founded in Pittsburgh, Pennsylvania in 1929 by Leo Scanlon and Chester B.

• Professional Societies & Associations

• 102.

Springfield Telescope Makers Inc

The home of the Springfield Telescopes Makers and their annual convention of amateur telescope makers Springfield Telescope Makers, Inc.

• Music

• 103.

The North American Saxophone Alliance

The North American Saxophone Alliance is a non-profit organization comprised of performers, teachers, students, scholars, and enthusiasts of the saxophone.

• Secondary/High School

• 104.

Astronomical Research Institute

There are few opportunities for students to make real discoveries in science at the high school and college level.

Sonora Astronomical Society Inc

Sonora Astronomical Society EXPLORE LEARN TEACH WELCOME TO THE SONORA ASTRONOMICAL SOCIETY WEBSITE We are an astronomy club representing Green Valley and Sahuarita Arizona.

• Engineering and Technology Research, Services

• 106.

Tennessee Valley Stellar Corporation

Tennessee Valley Stellar Corporation CommunityScale Private Space Agency The ultimate aim of the nonprofit Stellarcorp is to prove that a feasible spacebased method exists to forestall catastrophic climate change to be used in extremis by artificially cooling the earth with a school of planetary sunshades flying in nonKeplerian radiationlevitated orbits sunwards of the SunEarth Lagrange1 point SEL1lev.

Great Lakes Association of Astronomy Clubs

GLAAC was founded to make it easier for amateur astronomy clubs to collaborate on big events.

• Astronomy (includes Observatories)

• 108.

Skys the Limit Observatory & Nature Center

We have free public star parties most Saturdays.