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Comet_Alcock_1963b.jpg (725 × 585 pixels, file size: 139 KB, MIME type: image/jpeg)

Summary

Description
English: Comet Alcock, 1963 b, on March 21, 1963. A faint, rather broad tail can be detected in this 50-minute exposure with the 40-inch reflector of the U. S. Naval Observatory, Flagstaff Station. On the original plate the length of the tail is about 15'. Official U. S. Navy Photograph.
Date
Source Comet Notes Publications of the Astronomical Society of the Pacific, Vol. 75, No. 444, p.292
Author Elizabeth Roemer

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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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21 March 1963

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d55b71f3870c39f54a1fe784efe098cd2929f684

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585 pixel

725 pixel

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Date/TimeThumbnailDimensionsUserComment
current17:59, 23 February 2023Thumbnail for version as of 17:59, 23 February 2023725 × 585 (139 KB)C messierbetter version from https://www.jstor.org/stable/40674003
17:25, 23 February 2023Thumbnail for version as of 17:25, 23 February 2023635 × 512 (64 KB)C messierUploaded a work by Elizabeth Roemer from [https://articles.adsabs.harvard.edu/pdf/1963PASP...75..292R Comet Notes] Publications of the Astronomical Society of the Pacific, Vol. 75, No. 444, p.292 with UploadWizard

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