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Public Lecture

"There's something about ALAN: the effect of light at night"

By Professor Brian Espey, School of Physics,TCD 11-06-2018

About the Lecture

Increasing development and a building boom has led to the increased use of light across Ireland, in both urban and rural areas. More recently, the imperative to reduce energy and carbon use is now leading to the spread of light emitting diode (LED) technology. I will discuss the implications of increasing light levels on the environment at night and potential gains to be had from tourism. I shall also present some preliminary results from a recent citizen science project undertaken in conjunction with the Irish Times. You can contribute to this project by completing the survey at:



About the Lecturer


Brian Espey is an Associate Professor in Astrophysics in the School of Physics, Trinity College Dublin. He received a B.A. (Mod) Experimental Physics from Trinity College Dublin, University of Dublin in 1983, and a Ph.D. in Astronomy from the University of Cambridge in 1990.

Brian was the first astrophysics staff member in the School of Physics and acted as Course Director for the Astrophysics programme for a number of years, and steered it towards denominated degree status. His current duties are as Junior Sophister Year Head. He is active in the Irish astronomy community and has been involved in a number of projects, including the bid to get Ireland to join the European Southern Observatory (ESO) , including organising the ESO Industry Day . For a brochure assembled by the Institute of Physics, Ireland outlining the advantages for Ireland of membership in ESO .


After the lecture there will be a social reception in The Lombard and we encourage all of you to come along for a chat.
All are welcome to attend and free food will be kindly provided by The Lombard.

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A prize draw will be held after the lecture.

Booking Information

Date Monday 11th June
Subject to change - please check back later
Time 8:00p.m.

Physics Bldg, Physics Department , Fitzgerald Building, Trinity College Dublin.
There is an entrance on Lincoln Place (not far from the Merrion Square end of TCD). If you get the DART or bus to Pearse St, or drive. Use the Science Gallery entrance on Pearse Street (near the corner with Westland Row) There are maps here:  Here

Parking: Mark Street , Marks Lane , Lombard St. East .

Free Parking on the above streets after 7pm
Click HERE for a building map of Trinity College campus
Click HERE for Map of area

Admission €10 (€5 Astronomy Ireland members and concessions)
Tickets where possible should be booked in advance. Tickets can also be purchased at the door on the night, please come along 15 minutes early to accommodate.

Book online below

Call 086 06 46 555 to book tickets over the phone using Debit/ Credit Card
Send a cheque/ PO/ Draft, made payable to Astronomy Ireland to PO BOX 2888, Dublin 5.


This lecture is also available to people nationwide on DVD.
To order a copy of the DVD simply:
Order by credit/ debit card online below OR
call 086 06 46 555
Alternatively post a Cheque or postal order to: Astronomy Ireland, PO. Box 2888, Dublin 5.
Cost: DVD's cost €10 each incl P&P (€5 Astronomy Ireland members)

Lecture May 2018
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Lecture DVD June 2018
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Acknowledgment: Astronomy Ireland would like to thank the TCD Astrophysics Research Group for hosting AI public lectures in Trinity College Dublin.

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