Registration includes conference fees and the banquet.
Guest registration includes the banquet only. On-site registration for the conference will be accepted if space is available, but is otherwise discouraged. Employees of Smithsonian Astrophysical Observatory should select payment by check or money order, and then give a printout of the cost form to their Administrator to arrange a requisition. Include the requisition template found here . Printable versions of the Registration Form, for US Mail or FAX submissions, are available here.