Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  NGC 7023  ·  VdB139
NGC 7023 Iris Nebula, Gebhard Maurer
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NGC 7023 Iris Nebula

NGC 7023 Iris Nebula, Gebhard Maurer
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NGC 7023 Iris Nebula

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Description

My first try on the NGC 7023 Iris Nebula. Position and rotation could be better. The Iris Nebula, also known as NGC 7023 and Caldwell 4, is a bright reflection nebula and Caldwell object in the constellation Cepheus. NGC 7023 is actually the cluster within the nebula, LBN 487, and the nebula is lit by a magnitude +7 star, SAO 19158. It shines at magnitude +6.8. It is located near the Mira-type variable star T Cephei, and near the bright magnitude +3.23 variable star Beta Cephei (Alphirk). It lies 1,300 light-years away and is six light-years across.

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NGC 7023 Iris Nebula, Gebhard Maurer