AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS (AAVSO)

International nonprofit organization and world leader in variable star research, with a mission to enable anyone to participate in scientific discovery.

• Recreational, Pleasure, or Social Club

• 47.

Antelope Valley Astronomy Club

Welcome to the Antelope Valley Astronomy Club Local viewing conditions Click for a detailed view The Antelope Valley Astronomy Club Inc.

Peoria Astronomical Society Inc

we are a non profit organization promoting the science of astronomy in Peoria, Illinois Welcome to the Peoria Astronomical Society.

• Human Service Organizations

• 49.

Charlottesville Astronomical Society

About CAS Charlottesville Astronomical Society CAS is an organization founded to promote the enjoyment of observing the stars and planets.

• Promotion of Business (Chambers of Commerce)

• 50.

Phoenix Ophthalmological Society

PROFESSIONAL MEDICAL EDUCATION Promoting excellencein the art and scienceof ophthalmology Welcome We are the Phoenix Ophthalmological Society a group of Valley professionals who promote excellence in patient care and educate the public about the art and science of ophthalmology.

Baton Rouge Astronomical Society Inc

For more information, please contact us or visit our website at www.

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.

• Astronomy (includes Observatories)

• 53.

Oklahoma City Astronomy Club

The Oklahoma City Astronomy Club provides three major benefits to our community.

LOWELL OBSERVATORY

Established in 1894, Lowell Observatory is a leading astronomical research institution.