File:HEAO 1 Xray all sky x-ray catalog.gif

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DescriptionHEAO 1 Xray all sky x-ray catalog.gif	English: HEAO 1 instrument A1 : All-sky X-ray Catalog Map
Date	1 December 1978
Source	http://heasarc.gsfc.nasa.gov/docs/heao1/heao1_images.html
Author	NASA

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	Date/Time	Thumbnail	Dimensions	User	Comment
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