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Monthly Archive for: ‘March, 2016’

This image shows one of the toughest objects I have ever imaged. This is PuWe (Purgathofer-Weinberger) 1 (also known as PGN 158.9+17.8), a very weak planetary nebula in the constellation of lynx. The nebula was discovered in 1980 (original discovery paper: http://goo.gl/fW6TQB) by Purgathofer and Weinberger on the Palomar Deep Sky Survey prints. The nebula …

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