William Parsons, 3rd Earl of Rosse, was an Irish engineer and astronomer. He built several giant telescopes. His 72-inch telescope, built in 1845 and colloquially known as the "Leviathan of Parsonstow
William Parsons, 3rd Earl of Rosse by Maull and Polyblank crop
Drawing of the Whirlpool Galaxy by Rosse in 1845
Lord Rosse
The largest telescope of the 19th century, the Leviathan of Parsonstown.
Crab Nebula
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The Crab Nebula is a supernova remnant and pulsar wind nebula in the constellation of Taurus. The common name comes from a drawing that somewhat resembled a crab with arms produced by William Parsons,
William Parsons, 3rd Earl of Rosse
…reveal the spiral structure of M51, a galaxy nicknamed later as the "Whirlpool Galaxy", and his drawings of it closely resemble modern photographs. The Crab Nebula received its name based on a drawing made by Rosse in the early 1840s with his older 36-inch (91 cm) telescope in which it resembled a crab. A few years…
Hubble Space Telescope mosaic image assembled from 24 individual Wide Field and Planetary Camera 2 exposures taken in October 1999, January 2000, and December 2000
Reproduction of the first depiction of the nebula by Lord Rosse (1844) (colour-inverted to appear white-on-black)
HaRGB image of the Crab Nebula from the Liverpool Telescope, exposures totalling 1.4 hours.
The Crab Nebula M1