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Reading Nature, Observing Science: Examining Material Practices in the Lick Observatory Archives and Kenneth S. Norris Papers

Halley's Comet, photographer unknown, Lick Observatory, 1910.

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The middle and bottom shelves of case 5 display documents, images, and objects related to the early astrophotographic work of the Lick Observatory. Is it possible to obtain "objective" representations of celestial objects like galaxies and nebula when their details are invisible even in the telescope? How were Lick astronomers' ideas about the objectivity of the camera filtered through the aesthetic concern to produce visually stunning photographs? How is our idea of the reality of the cosmos--then, as now--a matter of aesthetic expectations created by certain standards and conventions of representation? Click the above link to read more.
Contents of this path:
1. "Astronomical Photography and Some of Its Merits," Charles Perrine, circa 1890s.
2. Andromeda Nebula, photographed by Edward Barnard, 1894.
3. Great Spiral Nebula (M51), photographer unknown (likely James Keeler), 1899. This is a four-hour exposure of the Great Spiral Nebula using the 36" Crossley reflector. Note the loss of detail described by Perrine or "faint nebulosity" described in the letters here; compare with the image of the spiral galaxy from 1914. N.B.: This is now known as the Whirlpool Galaxy. Astronomers did not yet understand the difference between nebulae and galaxies, believing that they were of the same nature. Most thought that all of these distant structures were contained within the Milky Way galaxy itself. The difference was confirmed in the 1920s; the work of one of the Lick's astronomers, Heber Curtis, contributed in part to this development.
8. Letter from Charles Perrine to Photogravure and Color Company, 1907. Perrine and the printers at the Photogravure and Color Company exchanged a series of letters regarding the difficulties of reproducing the glass negatives of nebulae created at the Lick. Printers used chemicals to "etch" the image of the original glass plate into copper plates. The etched portions were then filled with ink to create a print. Details of the original image were often lost in the process.
9. Letter from Photogravure and Color Company to Charles Perrine, 1907. Perrine and the printers at the Photogravure and Color Company exchanged a series of letters regarding the difficulties of reproducing the glass negatives of nebulae created at the Lick. Printers used chemicals to "etch" the image of the original glass plate into copper plates. The etched portions were then filled with ink to create a print. Details of the original image were often lost in the process.
11. Edward Barnard's first photograph of the Milky Way, 1889. Three-hour exposure. Reflecting on this photograph in a publication titled "On the Photographs of the Milky Way at the Lick Observatory in 1889," Barnard writes, "This remarkable picture shows the cloud-like forms like waves of spray. A curving lane of darkness runs from the lower left-hand portion of the picture and curves gracefully upwards to the place of Jupiter. It is singularly like the stem of a great leaf. At the middle of the picture it is seen to pass behind some of the clouds of stars and emerge beyond, showing us clearly which part of the Milky Way at that point is nearest to us... "