Skip to main content




Rules for Participation in AAVSO Forums, Chat Rooms and Discussion Groups

The AAVSO online forums, chat room and e-mail discussion groups are available to the public (except where otherwise noted). However, we ask all participants to adhere to the following rules:


Online Talk w/Sky & Telescope Editor Bob Naeye

April 6, 2012 Update: The talk is over and went very well. We had a max of around 22 participants and the interaction with Bob was very informative. We attempted to record the talk using the built-in recording feature of the webinar software we are using (GoToWebinar by Citrix). It created a Windows Media Video (.wmv) file that plays correctly on a few Windows computers we tested on. However, when we tested it on OS X machines using a wide variety of video players we could never get it to fully work. We also attempted to upload it to YouTube and their software rejected the format as well. So we can't promise it will work on all computers. We are investigating alternatives for recording future webinars.

Click here to download a recording of the talk (170MB WMV file).

(There is some technical chit chat at the beginning - you may want to skip 5-10 minutes into the recording for the good stuff)


Two Online Chats about CHOICE today!

We are hosting two online chats today. The formal topic is the new CHOICE classes, but you can of course stop by to ask any other questions about the AAVSO or VSO as well.

 The chats are at:

3-4pm ET (+5UT)

9-10pm ET

Click here for information about our chat room.

Hope to see you there!


Join us for an online chat on Thursday Jan. 26

Various AAVSO staff will be in the AAVSO Chat Room on Thursday, January 26. Stop by to chat with other AAVSOers and staff.

Click here to join!

Supernova Photometry Chat with Dr. Michael Richmond

On 13 September, 2011, we had the good fortune to have Dr. Michael Richmond, Physics Professor and Observatory Director for the Rochester Institute of Technology in New York chat with us about SN 2011fe and supernova photometry in general. Here is the transcript from that chat session.

Week of Online Chats for Beginners: July 25-29

We will be hosting three online chat sessions for beginners to the AAVSO during the week of July 25, 2011. Below are the list of the chat topics. However, feel free to bring up any topic at any chat.

The chat room can be accessed by pointing your browser here. Details about how to use dedicated chat clients are here.

Beginner Chat #1: Visual Observing
Monday, July 25 at 9pm eastern (-4UT)


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