Application for membership in the Irish Astronomical Society is open to people of all ages and experience. The only prerequisite is an interest in Astronomy. If you join now your annual subscription is valid until 1st August 2024.

How to Join

Anyone interested in joining the Society needs to submit a completed membership application form.

The annual membership fees are:
Full Membership €40
Concession Membership €30
Family Membership €40.

The Concession Rate is available to Seniors aged 65+, Full-Time Students and Unemployed Persons. (please only avail of this option if you feel you need it).

The Family Membership only gets one copy of the paper publications.

To join, please print out and post the Membership Application Form to the Treasurer, to the address given at the bottom of that form.

There is also a application form on our Brochure.

To renew membership, just return the annual fee with your name and postal address. There is no need to fill out a new application form.

Membership Benefits

The Magazine

Orbit is posted (free) to all IAS members four times a year to keep them informed on current astronomical news and events.There is also a electronic newsletter Sub-Orbital sent to members.

The Annual

Our annual Sky-High is posted (free) to all IAS members to keep them informed on astronomical phenomena (naked-eye, binocular and beyond) for the year ahead. Now in colour.

The Calendar

The Celestial Calendar is posted (free) to all IAS members. As well as a sky photograph for each month, it contants sky events, other events and historical events.

The Talks

From September to May meetings (always free for members) are held monthly. These are designed to give members an enjoyable evening with lectures by professional astronomers or experienced amateurs.

The Astronomical Library

Members can borrow (free) from a range of astronomical books and magazines. There is also a Video Library.

Astronomical Viewing Nights

IAS members can attend any of the Society's viewing nights free of charge. Viewing nights exclusively for members of the IAS are held each month at both our private site outside Dublin and at Dunsink Observatory.


There are Electronic Notices of Observing Sessions and Sky Events.

Special Interest Groups

IAS members can join in the activities of a number of special interest groups run by the Society. As well as the (general) Observers Group there are Astro Imaging and a Variable Stars Observers Groups. A new Lunar Group was set up in early 2022.