Iris Nebula, NGC 7023

25,002.500,00 (IVA tax inc.)


The Iris Nebula, NGC 7023, is a bright nebula located in the Cepheus constellation some 1,300 light-years away from Earth. This image is the result of a new processing method from 2019 data.

Astrophotography processing techniques are key to get the best results. This exercise aims to show the different result obtained from the same data on the Iris Nebula region (NGC 7023):

2019 image: 

Processing using: APP and PIXINSIGHT

2021 image:

Processing using APP, PIXINSIGHT, new PIX tools as Starnet, Topaz Denoise, Adobe Photoshop and Lightroom.

I will soon announce a new deep sky processing workshop to show all this techniques. It will take place in Prades (Tarragona, Catalonia – Spain) next February 2021, at Parc Astronòmic Muntanyes de Prades. Language: spanish.

Once purchased, you have 24 hours to download the photo. You will receive an email with the download link.

​ HD image.

Support my work. If you want to help me continue with my work, please feel free to buy, just for a few pennies, one or several of my images. The price does not reflect the amount of effort involved in each one of the images. Some of them implied weeks, months and even years of hard work. With your purchase I will be able to continue capturing photons of our amazing universe.

The watermark, with the author’s original credit, cannot be removed in any of the uses. For a commercial use without this watermark please contact me for a detailed budget.

All images, videos and content of this website are copyrighted © Aleix Roig Mateu.

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Image Details

L: 240×300″
RGB: 3x30x180″

All images at 120Gain -15ºC bin2
Calibrated with 50 flats, 50 darks, 50 bias

Total exposure: 24h30′

Average darkness: 20.90 mag/arcsec2

Image resolution: 1.74”/pixel

Data acquistion: September 2019



FSQ85ED telescope

Mesu200 mount

ASI1600MM Pro camera with ZWO EFW 8 pos

Guiding with ASI174MC and ZWO OAG

Baader filters



Aleix Roig, October 2021.
Prades (Tarragona, Catalonia – Spain).

Additional information

Image use

Non-commercial use, Commercial Use