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.

• Other Public Safety, Disaster Preparedness and Relief N.E.C.

• 119.

Hampton Public Service Team

Photo courtesy of NASA. Hampton Publicservice Team HPT HPT is a group of FCC licensed Amateur Radio operators who volunteer their skills equipment and time to assist the City of Hampton Southern Virginia Peninsula and the Commonwealth of Virginia via radio communications.

• Professional Societies & Associations

• 120.

Geophysical Society of Pittsburgh

THE OBJECTIVE OF THIS SOCIETY WILL BE TO PROMOTE THE SCIENCE OF GEOPHYSICS AND TO PROMOTE THE FELLOWSHIP AND COOPERATION AMONG THOSE PERSONS INTERESTED IN GEOPHYSICAL METHODS AND PROBLEMS.

• Professional Societies & Associations

• 121.

Rockford Amateur Astronomers Inc

Our mission is to share our love and knowledge of astronomy with the community and help them better understand the fascinating realms of our universe.

Miami Valley Astronomical Society

For more than 100 years, the MVAS has been the face of amateur astronomy in the Miami Valley dedicat March 4 2025 PostsComments Miami Valley Astronomical Society The Universe Is Yours to Discover Welcome to the Miami Valley Astronomical Society Since 1918 the MVAS has been the face of amateur astronomy in the Miami Valley dedicated to educating the public about science of astronomy and fostering the growth of amateur astronomy and fellowship.

Griffith Observatory Foundation

Griffith Observatory is a public observatory with a planetarium and astronomy exhibits.

• Recreational, Pleasure, or Social Club

• 124.

Northeast Wisconsin Stargazers Newstar

Newstar Northeast wisconsin stargazers Chasing the Stars Washburn Observatory in Science and Culture Click Here for Speaker Bios Register for WOW Wisconsin Observers Weekend June 19th to June 22nd 2025 STSI Tonights Sky February 2025 JPL Whats Up March Skywatching Tips from NASA NEWSTAR member Tom Eisch has created a few videos showing the process of image processing.

Los Angeles Astronomical Society Inc

In 1926, local amateur telescope makers organized the L.

SPECTROSCOPY SOCIETY OF PITTSBURGH

Chemistry Outreach The Society for Analytical Chemists of Pittsburgh SACP and the Spectroscopy Society of Pittsburgh SSP are nonprofit organizations dedicated to furthering science education both locally and nationally.