Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Iris Nebula  ·  NGC 7023
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NGC 7023, Steve BENZ
NGC 7023
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NGC 7023

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NGC 7023, Steve BENZ
NGC 7023
Powered byPixInsight

NGC 7023

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Description

The Iris Nebula also known as NGC 7023 and Caldwell 4 is a bright reflection nebula in the constellation Cepheus.

The designation NGC 7023 refers to the open cluster within the larger reflection nebula designated LBN 487.

The nebula, which shines at magnitude +6.8, is illuminated by a magnitude +7.4 star designated SAO 19158.

It is located near the Mira-type variable star T Cephei, and near the bright magnitude +3.23 variable star Beta Cephei (Alfirk).

It lies 1,300 light-years away and is six light-years across.

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NGC 7023, Steve BENZ