![The Forty-Foot Telescope at Slough. Photographed by Sir John F.W. Herschel photographed 9 September 1839; this print made in August 1890 | Sir John Frederick William HERSCHEL The Forty-Foot Telescope at Slough. Photographed by Sir John F.W. Herschel photographed 9 September 1839; this print made in August 1890 | Sir John Frederick William HERSCHEL](https://www.jonathanahill.com/pictures/6384.jpg?v=1541600749)
The Forty-Foot Telescope at Slough. Photographed by Sir John F.W. Herschel photographed 9 September 1839; this print made in August 1890 | Sir John Frederick William HERSCHEL
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Sensitivity comparison for SPICA SAFARI and SMI (solid black lines)... | Download Scientific Diagram
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Sensitivity limits for detection of debris dust around nearby Sun-like... | Download Scientific Diagram
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The point-source sensitivity and wavelength coverage of the Spitzer... | Download Scientific Diagram
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The 2-D spectra from the William Herschel Telescope with the INTEGRAL... | Download Scientific Diagram
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