Staring down the Iris

Michael Telesco from New Canaan, Connecticut The Iris Nebula (LBN 487) is a reflection nebula 1,300 light-years away in Cepheus lit by the open star cluster NGC 7023 that lies within it. The imager obtained this data for this starless rendition with a 2-inch scope and 6.7 hours of exposure at the 2023 Black ForestContinue reading “Staring down the Iris”

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