NSA Club

Northwest Suburban Astronomers

Club Meetings: Meetings are on the Friday nearest the full moon each month.
Check our Events page for each month's meeting location.

Business Correspondence: The club's official mailing address for business correspondence is
PO Box 261, Dundee, IL 60118.

Our club is based in the northwestern suburbs of Chicago.  With a wide range of interests, experience, and equipment, our membership is over 150, making us one of the largest astronomy clubs in the mid-west.  Here you can find out about our public meetings, star parties, and the benefits of becoming a member.  Thanks for visiting, and clear skies.

Astronomy Day
with the
Northwest Suburban Astronomers
and the
Harper College Department of Physical Sciences

Saturday, April 21, 2018

Harper College

Building Z


Explore the wonders of the universe... see the moon, planets, stars, and galaxies.

On Saturday, April 21st. - RAIN or SHINE - we will host an informative and entertaining celebration of astronomy beginning at 5:30 pm.


If the skies are clear, telescopes will be available for viewing a variety of celestial objects.

NSA members will be on hand to answer any questions and conduct general tours of the night sky.

But don’t stay away even if it’s cloudy.  Inside the school will be a wide variety of shows, demonstrations, and exhibits.

Email us here for more information.

 Download the 2018 flyer by clicking the above image.

Download the 2018 flyer by clicking the above image.

Programs presented in 2017 are below. This year's schedule to be posted as the event nears. .
Every 15 minutesZ128Craft Projects for ChildrenSuzy WeberMake a Solar Eclipse model that will demonstrate a solar eclipse, lunar eclipse, and the phases of the moon.
6:00 and 7:00Z130Astro BingoHarper College Astronomy Club Play a game of Bingo while learning about astronomy!
6:00 PMZ102New Exoplanet DiscoveriesKelly PageLearn about recent discoveries of planets orbiting other star systems. How they were found and what they may look like.
6:00 PMZ117The Antikythera MechanismDale DellutriSkokie Valley Astronomers Club member Dale Dellutri will talk about the ancient astronomical device found in 1900 by sponge divers off the coast of the island Antikythera, near Greece.
6:00 PMZ119Things That Go BoomJoe KabbesThe story of the birth and death of stars as told with images from the Hubble Space Telescope.
6:00 PMZ123Eclipse Mania: Observing the 2017 Total Solar EclipseTom AuchterLearn about solar eclipses, why they occur, the different types and what is like to see one. Images and experiences will be shared from the 2010 total solar eclipse on Easter Island. Information about the 2017 total solar eclipse in the United States will be presented.
7:00 PMZ102Rosetta End of MissionKevin ColeThe Rosetta mission to Comet 67/P, including the orbiter and lander. The physical nature of the comet – why it looks like it does and what its properties tell us about where it was formed.
7:00 PMZ117Unusual StarsRoger KolmanExamples will be given of strange stars in the heavens, why they are considered strange and how to resolve the question.
7:00 PMZ119Cosmic Time: The Heavenly Origins of the World's CalendarsBhasker MoortheyImagine you lived 5000 years ago. How would you have used the Sun, Moon, and stars to tell time? What is a day, exactly? How about the month and the year? Why are there seven days in a week? Discover the astronomy behind the calendar we use.
7:00 PMZ1234 Decades of Martian ExplorationDean MikolajczykA survey of our successes, and failures, at the red planet, Mars.
8:00 PMZ102Mysteries of the Cosmos – The Possibility of Life on the Moons of Jupiter and SaturnJim KovacWe are either alone in the Universe or we are not; either possibility is overwhelming! Join the exploration of the fundamental question about the pervasiveness of life -- is it common or rare? The focus of this presentation will be the unique environments of the planet-sized moons of the Gas Giants and their potential as abodes for life.
8:00 PMZ117Satellite Views of EarthJim PlaxcoSatellite imagery of the Earth. How images are created and processed to reveal hidden details of our planet.