Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Iris Nebula  ·  NGC 7023
NGC 7023 - Iris Nebula Two Years Later LRGB, Greg Bass
NGC 7023 - Iris Nebula Two Years Later LRGB
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NGC 7023 - Iris Nebula Two Years Later LRGB

NGC 7023 - Iris Nebula Two Years Later LRGB, Greg Bass
NGC 7023 - Iris Nebula Two Years Later LRGB
Powered byPixInsight

NGC 7023 - Iris Nebula Two Years Later LRGB

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Description

Image captured over 3-nights at my favorite mountain campsite during the last few days that it's available before the campground closes for the winter.  An item of interest:  Near the central star are reddish filaments.  According to a NASA APOD posting, these central filaments are dust grains absorbing the ultraviolet radiation emitted from the central star and converting that raditation to red light.

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