File:Surprise Cloud Around Vast Star-inset.png

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English: This file was derived from: Surprise Cloud Around Vast Star.jpg

VLT Survey Telescope image of Westerlund 1. This is a false colour optical and near infrared image where nebulosity (hydrogen alpha emission) is highlighted in green.

The inset shows the red supergiant W1-26 at the centre with the associated ionised hydrogen triangular nebula above and left (with the O9 supergiant W1-25 appearing between the two) appearing green.
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Author Lithopsian

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24 June 2015

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current12:58, 24 June 20151,056 × 676 (1.75 MB)LithopsianUser created page with UploadWizard

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