Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  NGC 7023

Image of the day 09/27/2015

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NGC 7023 - Iris Nebula, Paddy Gilliland
NGC 7023 - Iris Nebula
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NGC 7023 - Iris Nebula

Image of the day 09/27/2015

Getting plate-solving status, please wait...
NGC 7023 - Iris Nebula, Paddy Gilliland
NGC 7023 - Iris Nebula
Powered byPixInsight

NGC 7023 - Iris Nebula

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Description

This is my second look at the Iris Nebula having first attempted soon after getting my first set up. I struggled then to get any colour in the darker areas but found after a years experience this was far easier to come by. As always excellent data really helped.

For this version I have avoided simply trying to stretch the areas of dim nebulosity, instead I have tried to work on a image with a little more depth and range. I have also tried to maximise the detail in the Iris area itself and capture some of the more subtle detail and colouring.

The Iris Nebula, also 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. It lies 1,300 light-years away and is six light-years across. (Wikipedia)

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NGC 7023 - Iris Nebula, Paddy Gilliland