Unpublished paper, 'Observations on Halley's Comet made at Markree, Sligo, in the months of August, September, October and November 1835' by Edward Cooper Cooper's observations on Halley's Comet from Markree Castle, County Sligo [Ireland]. Includes a table of results showing the approximate location of Halley's Comet between 25 August 1835 and 16 November 1835. Subject: Astronomy Received 25 November 1835. Read 26 November 1835. Communicated by Captain [Francis] Beaufort. Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 3 of Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society] as 'Observations on Halley’s Comet, made at Mackree, Sligo, in the Months of August, September, October and November 1835'. 1835