File:Calabash Nebula.jpg

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From the author: "This data is actually all red and infrared and mapped in a way that the shorter wavelengths are blue so it's representative or false color--however you want to word that.

The blue outer shell is a very faint structure which barely shows up above the noise. I went ahead and used Photoshop's noise reduction filter and a median filter on it. The median filter in particular is destructive and I haven't ever used it on any Hubble images before. I decided since the shells were barely there anyway there wasn't much to destroy."

Copied from: https://www.flickr.com/photos/54209675@N00/10464846386
This file is licensed to Judy Schmidt under the Creative Commons Attribution 2.0 Generic license.

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current17:32, 31 January 2019Thumbnail for version as of 17:32, 31 January 2019672 × 604 (164 kilobytes)DavidB4 (Talk | contribs)his data is actually all red and infrared and mapped in a way that the shorter wavelengths are blue so it's representative or false color--however you want to word that. The blue outer shell is a very faint structure which barely shows up above the no...
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