Cygnus Region in H-alpha and OIII with RGB stars (Thorsten Glebe)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 21 Cyg · 27 Cyg · 28 Cyg · 29 Cyg · 34 Cyg) · Crescent Nebula · IC 1310 · NGC 6871 · NGC 6888 · Permanent nova (P Cyg · The star 25 Cyg · The star 35 Cyg · The star 36 Cyg · The star Revenant of the Swan · The star b1 Cyg · The star b2 Cyg · The star b3 Cyg · The star η Cyg

Cygnus Region in H-alpha and OIII with RGB stars

This view of the central Cygnus region shows the abundance of Hydrogen and the famous and often imaged objects NGC6888 (Cresent Nebula), SH2-101 (Tulip-Nebula) and WR-134. In addition the Bubble Nebula, M29 and Sh2-104 are visible and some more OIII structures which do not appear in the common catalogs.

A proper separation of H-alpha and OIII from the dual-narrowband data plus RGB-like colors for the narrowband channels resulted in a rather complex process in Pixinsight involving some experiments with PixelMath and using the newest tools available (e.g. new version of BlurXTerminator, ScreenStars script by Bill Blanshan), but I think it was worth the effort. I can also recommend the YouTube videos by DeepSkyGeek!

Hope you enjoy it!

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Title: Annotated Image Version

Description: Image version with annotation from various catalogs (Messier, NGC, IC, VdB, Sh2, LDN, LBN, Barnard)

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Cygnus Region in H-alpha and OIII with RGB stars

Cygnus Region in H-alpha and OIII with RGB stars

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Cygnus Region in H-alpha and OIII with RGB stars

Cygnus Region in H-alpha and OIII with RGB stars

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