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The 2016 Spring Meeting in Review

The 105th spring meeting of the AAVSO was held at the Crowne Plaza in downtown St. Louis, Missouri, Thursday, May 4th to Saturday May 7th.  St. Louis was chosen due to it’s location in the middle of the continental United States. Council hoped this would encourage people to attend who don’t normally come to the fall meetings on the east coast. About a quarter of the attendees were first time attendees or people who don’t normally attend the fall meetings in Massachusetts.

Free Access to the May 5 Keynote Address at the AAVSO Spring Meeting

The theme of this year’s spring meeting is Pulsating Stars. The meeting will begin on Thursday evening at 6pm CDT with a keynote address by Dr. Horace Smith, Professor Emeritus of Michigan State University and a noted expert on RR Lyrae stars. Dr.

Spring Meeting - 2016

The 105th AAVSO Spring Meeting will be held in St. Louis, Missouri on May 5-7, 2016. The venue will be the Crowne Plaza Hotel in downtown St. Louis and guest rooms have been reserved there at a reduced rate for the use of attendees.

Annual Meeting early registration ends Friday October 23!

The planets are gathering on Friday, October 23rd to remind you that early registration for the AAVSO Annual meeting gathering in November ENDS the same day!

Also, if you are planning to give a talk or present a poster, please send your abstracts by Friday as well.

Everything you need to know about the meeting being held November 12-14 as well as registration and abstract submission forms can be found on this page:

2015 Fall Meeting Dates

The 2015 Fall Meeting of the AAVSO will be held November 12-14 at the Hilton Hotel in Woburn, MA.

  • Thursday, November 12th - AAVSO Council Meeting
  • Friday and Saturday, November 13-14th - Sessions

Details will be posted on the AAVSO homepage and on the main meetings page as they are available.

Special Invitation to Regional Astronomy Clubs

The AAVSO cordially invites all members of astronomy clubs and astronomical societies in Indiana, Illinois, Ohio and Michigan to participate in our spring meeting, June 4-6, at Ball State University in Muncie, Indiana. We have something for everyone and opportunities for volunteers from the amateur community to receive complimentary registrations for your time and efforts.

Landolt Standards and 21st Century Photometry

Arlo Landolt should be familiar to most of the AAVSO community, not only as a friend and former councillor of the AAVSO, but as one of the leading figures of astronomical photometry and photometric calibrations.  Arlo Landolt's work on standard stars has set the standard -- very literally -- for astronomical photometry for nearly half a century.

Index to group photos of AAVSO meetings

NOTE: the following is an index to the group photographs, it is not meant to be a comprehensive attendee list. Attendee lists, where available, are posted with their respective group photos.

103rd Annual Meeting of the AAVSO



103rd Spring Meeting of the AAVSO

UPDATE: We will be broadcasting the Membership Meeting portion of the upcoming Spring AAVSO Meeting via GoToWebinar.  The details are below.

Award presentations are first on the agenda!  We hope that many of you will be able to join us.


Title:  AAVSO Membership Meeting, June 12, 2014
Time: 7:00 PM - 9:00 PM Pacific Daylight Time (02:00 - 04:00 UT  June 13 )

Join us for award presentations (first on the agenda!), Association reports, and Q&A.


AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484