Dr Stella Kafka - AAVSO Director

Variable stars have always been the most intriguing (and fun) targets for observers, professional and amateur alike. I will introduce some of the most common aspects of stellar variability and their significance in astrophysics. I will discuss their common light curves identifiers, and present work by AAVSO observers that has led to cutting-edge scientific discoveries throughout the years. Finally, I will discuss how you can participate in variable star observations from your back yard.

Eclipse 2017

Aldrich Members meet success with Eclipse trip in Idaho

Grand Opening of new Aldrich Observatory

On Saturday September 23, 2017 we had a Grand Opening of our new observatory in Oakham. We also dedicated our Astro-Physics mount which is the center-point of this new facility which was generously donated by Aldrich member Fran Edwards in memory of his late wife Gail.

Announcing the new Aldrich Store

Donate money towards Aldrich efforts like Science and Astronomy outreach and the Library Telescope program, and get a beautiful picture from an Aldrich Astrophotographer!

Library Telescope Program

Check out our telescopes at more than 100 public libraries and colleges in Massachusetts

Join the club

Become a member and enjoy access to our observatory, telescopes, and special events

Get directions

Public observing nights are held at Anna Maria College in Paxton, MA

Upcoming events

Observatory "first light" ceremony, public lectures, fairs, and chances to look through a telescope

In the News


Aldrich member Catherine Zebrowski has recently published her book "Sleepwalking Backwards" after many years of hard work. As the cover implies this book of fiction has an astronomy theme. Check it out if you get a chance and congratulate Catherine if you see her!

Check-out this book on Amazon Amazon

Starfest 2017 at Anna Maria College cancelled for this year due to member travels to the August 21st Solar Eclipse.

Starfest cancelled ' '

Latest from the Blog

  • Lecture Announcement – Dr Ste...

    Dr. Stella Kafka, Director of the AAVSO (American Association of Variable Star Observers)
    Before her tenure at the AAVSO which started in 2015, Dr Kafka held positions at CTIO, IPAC/Caltech, Carnegie Institution of Washington/DTM and AIP Publishing. The AAVSO is an international non-profit organization of variable …

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  • Lecture Announcement – Ashley...


    Ashley Villar, Harvard CFA

    Ashley Villar is an astrophysics PhD student at Harvard University. She studies eruptions, explosions and collisions of stars in our night sky. Ashley is originally from Vero Beach Florida, before moving to Massachusetts to earn a degree in physics from MIT. She …

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  • Observatory Dedication and Grand Op...

    Aldrich celebrates a grand opening of our new Observatory along with a dedication of the Astro-Physics mount donated by Aldrich member Fran Edwards in memory of his late wife Gail.
    Thirty-Two Aldrich members, with their family and friends, along with some honored guests and their families …

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  • Aldrich members speak at Driggs Ida...

    During the recent trip to Driggs Idaho for the August 21st Eclipse, club president Jim Zebrowski and member Kevin Boucher spoke at a few Astronomy oriented events in the area.
    Sunday August 20th
    Jim Zebrowski was one of 4 speakers in an eventin Tetonia ¬†promoting astronomy to …

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  • NASA Telescope Reveals Largest Batc...

    Figure 1: This illustration shows the possible surface of TRAPPIST-1f, one of the newly discovered planets in the TRAPPIST-1 system. Scientists using the Spitzer Space Telescope and ground-based telescopes have discovered that there are seven Earth-size planets in the system.
    Credits: NASA/JPL-Caltech
    NASA’s Spitzer Space Telescope has …

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Time to prepare for liftoff.

Your lifetime passion for astronomy is about to take off.