My first Magazine Sky & Telescope - 02.2019 | Page 34

OBSERVING IS SUBJECTIVE Wilhelm Tempel’s Crab Nebula sketch comparison between six prominent
19th-century astronomers. Clockwise from top right, the sketches were made by J. Herschel, D’Arrest, Lassell,
Secchi, Lord Rosse, and Tempel.
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FE B RUA RY 2 019 • SK Y & TELESCOPE
Crab Nebula