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Rosette Bubble, Eric Coles (coles44)

Rosette Bubble

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Rosette Bubble, Eric Coles (coles44)

Rosette Bubble

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Description

Is there a narrowband bubble in the Rosette Nebula, or is this my imagination? I was looking at my NB data, especially the O3 and noticed a structure that one might interpret as a bubble structure. So I combined all the HOS starless images and got the most detail possible out of it. the image. It is both upscaled and inverted to make it easier to visualize the bubble-like structure.

You can see the same structure in my posted Heart of the Rosette Nebula Hubble Palette image (LINK). It's the blue O3 outline in the upper third of the image, slightly left of center.

I leave the further interpretation of this image to your imagination. If you have other ideas of the nature of this structure, please post them here.

Eric

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Histogram

Rosette Bubble, Eric Coles (coles44)

In these public groups

Sharpless2 Objects
Narrowband imaging