The Iris Nebula (also known as Caldwell 4) is a bright reflection nebula in the constellation Cepheus. NGC 7023 is actually the cluster within the nebula, with the nebula lit by a magnitude +7 star (SAO 19158) within the cluster. The nubula lies 1,300 light-years away and is approximately six light-years across.
All the photographs here were taken by members using either their own equipment or that of the society. Their work can be found in the Index below under type of object, or the name of the photographer.
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