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A comment on Taking a Picture of a Supernova While Setting Up a New Camera. Parent comment

Re:Taking a Picture of a Supernova While Setting Up a New Ca... by KnightOfWords on Thursday February 22, 2018 @03:51AM (#16436226)
The flash appeared between two 20 second exposures. Supernova are generally visible for between a few days and a few months.
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