(Source: The Earl of Rosse (1805) ‘Observations on the nebulae’, Philosophical Transactions of the Royal Society of London, 140(499), pp. 499–514, www.jstor.org/stable/108449)
Figure 8 Images of nebulae, as viewed by the most powerful telescope of the nineteenth century, the Leviathan of Parsonstown, and hand-sketched by William Parsons, 3rd Earl of Rosse.