Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Iris Nebula  ·  NGC 7023
Iris nebula in a sea of dust, Behnam Darvish
Iris nebula in a sea of dust
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Iris nebula in a sea of dust

Iris nebula in a sea of dust, Behnam Darvish
Iris nebula in a sea of dust
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Iris nebula in a sea of dust

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Description

This is the longest integration (nearly 20 hours) I have taken so far. I took the data mostly over the past summer under Bortle 4 and 3 skies with temperatures ranging from 45 F to 75 F, but typically around 50F-60F. Gradient removal and photometric background calibration was done with Siril and the rest with GIMP. I also used Starnet++ near the final stages. A tad of Topaz denosie was also used without sharpening as it tends to ruin the star shapes with sharpening. Overall, I'm happy with the final result.

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Iris nebula in a sea of dust, Behnam Darvish