Clive Ruggles


… is the study of beliefs and practices relating to the sky in the past, especially in prehistory, and the uses to which people's know- ledge of the skies was put.


Professional bodies

Free software tools

Basic declination calculator


by Andrew Smith

See the Tools page for more info


Springer Handbook (2014):


Ocarina Books publishes and distributes books relating to archaeo- and ethnoastronomy



This list of my books and selected papers and articles contains links and downloadable copies where available.

Proceedings of IAU Focus Meeting on Astronomical Heritage


The Proceedings of the Focus Meeting (FM2) on Astronomical Heritage: Progressing the UNESCO–IAU Initiative, held at the 29th IAU General Assembly in Honolulu in August 2015, have been published by Cambridge University Press in their Proceedings of the International Astronomical Union series.


For further information about the meeting see the Portal to the Heritage of Astronomy.


IAU Commission C4: World Heritage and Astronomy

At its 29th General Assembly in Honolulu in 2015, the International Astronomical Union (IAU) created a new Commission (C4) on World Heritage and Astronomy.

Portal to the Heritage of Astronomy


The web portal serving UNESCO’s Astronomy and World Heritage Initiative was launched in August 2012 at the International Astronomical Union’s 28th General Assembly in Beijing, China. The site, which resides at, is a dynamic, publicly accessible database, discussion forum and document repository on astronomical heritage sites throughout the world, even if they are not on UNESCO’s World Heritage List.


Astronomical heritage

Portal to the Heritage of Astronomy

Read more on the UNESCO–IAU Portal to the Heritage of Astronomy and about astronomical heritage in general

Free downloads

ICOMOS–IAU Thematic Studies on Astronomical Heritage

No. 1 (2010): See here for more information or click here to download a copy directly (46 Mb)

No. 2 (2017): See here for more information or click here to download a copy (19 Mb)


Astronomical World Heritage


Download a copy of an article published in A&G (Aug 2019 issue)

Stonehenge and Ancient Astronomy


Download a copy of the Royal Astronomical Society’s factsheet

Alice Ruggles Trust

If you are looking for things related to Alice and/or information about stalking, please visit the Alice Ruggles Trust website