https://www.astronomy.com/observing/deep-sky-dreams-purgathofer-weinberger-1/
Purgathofer-Weinberger 1: The second-largest planetary nebula
Jul 21, 2025 - Purgathofer-Weinberger 1, a faint planetary nebula about 1,300 light-years away, is the second-largest planetary nebula in our sky.
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