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We are indebted to several individuals and organisations who have provided material that is presented on this website.

The list contains -

The National Library of Scotland

The National Archives of Scotland

Archives of The Royal Observatory of Edinburgh held at Blackford Hill

Dr David Gavine - thesis - Astronomy in Scotland 1745-1900

The Astronomical Society of South Africa

Prof Brian Warner, Professor of Astronomy, University of Cape Town

Our astronomical pages utilise software that we developed using the following publications:

The equations and coefficients for the Moon were obtained from the 2009 edition of "Astronomical Algorithms" by Jean Meeus.

The orbital coefficients for the Sun and Planets were obtained under the GPL Version 3 licence from neoprogrammics.com and adapted for JavaScript. They were then truncated as published by Jean Meeus (referenced above).