Please fill out your name and address and membership renewal information on this page. You will then be presented with a page to review the information and make sure it is correct. Then you will be directed to paypal, a secure site that uses https protocol, where you can securely enter your credit card information. Membership renewal help
If you would prefer to call us with your credit card number, our phone number is 617-354-0484. Or if you would like to postal mail a check please print out this page and mail it with your check to: AAVSO, 49 Bay State Rd., Cambridge, MA 02138, USA.