Membership is open to any stamp collector interested in astrophilately. Dues are $8.00 annually, payable in US dollars. Download and mail the application to:

Leonard Zehr

1411 Chateau Ave
Windsor Ontario Canada
N8P 1M2

Download the Membership Application and send or email to the above address.

Membership dues include an annual digital subscription to Astrofax, the official publication of the Astronomy Study Unit.