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Iris Nebula RGB

Padraic M

By Padraic M
in Imaging - Deep Sky

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Padraic M

Padraic M

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This is NGC7023 aka the Iris Nebula, a bright reflection nebula in Cepheus. NGC7023 refers to the open cluster inside the nebula. The entire is also known as Caldwell 4.

Imaging is a total of 3 hours RGB, with a small amount of Luminance added, captured from Bortle 2 Kerry Dark Sky Reserve on 20th July but unfortunately with no astro darkness.

Imaging: Esprit 80, ASI160MM Pro @ -20C, gain 139, Baader RGB filters.
Guiding: Starwave 50mm, ASI290mm Mini, HEQ5 Pro belt mod.
Capture control: NINA, PHD2, SharpCap PA.
Processing: APP, Gimp, Noise Ninja.

1525397923_IrisNebulaRGB.thumb.jpg.a6cb9196f6f49b165939d3bf8e527fb1.jpg

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